Dorman ls2 intake vs ls6 R. This is Garage Sale priced because it is an open box item, the plastic has been roughed up in a couple spots from test fitting. C5 Tech - Dorman ls2 intake - parts needed 2004 Z06 - Thinking about going Dorman to replace the LS6 intake. Jan 6, 2018 · This is where a factory looking intake like the Trailblazer SS intake OR Dorman’s factory replacements can come in handy and at a decent price to boot. Jul 17, 2011 · All I was aware of was a company that took the LS6. Years ago, some guys pitched them and went with the LS6 intake. 7L LS1 and LS6 engines leading the way. The LS2's performance is virtually the same as the original LS1 intake untill high rpm where the bigger throttle opening They are not the same intake. The testing took longer than expected but I think the data collected was worth the Dec 4, 2023 · Compared to a ported factory LS2 intake and most of the other options out there, the FAST intake provides the most significant power and torque gains. '73 IH Scout II Vortec 6. Even though the LS6 is sand-casted alongside the C5 Tech - LS2 vs LS6 vs FAST Intake manifolds - I have a failry stock car, just air intake and catback exhaust, but im about to finish off my my exhaust with headers and such. Check if this fits your vehicle. MannyLobo · HGH Optimist. Dorman Intake Manifolds. Trick to repair broken plastic HVAC hose behind intake. The 224/228 cam improved power over stock by 112hp and 90ft lbs with the Dorman LS6 clone. Jan 15, 2009 · LS2 vs LS6 Intake Dyno. Additionally, the LS6 has a flat bottom, with the LS1 having a bump. Driveability is great, like the stock silver blade LS2. 0L produced 546 hp at 6,800 rpm and 483 lb-ft of torque at 5,200 rpm. GM LS2 Upper Intake Manifold For Cadillac CTS/Chevy Corvette/Pontiac GTO, Black Plastic, Includes Gaskets, Valley Bolts, Fuel Rail Brackets, Injector O-rings Intake Seals for GM LS1/LS2/LS6 $19. The bottom line is less scrambling (and less money) for Jun 21, 2019 · Is there’s a big difference on hp gain between the LS6 and the Dorman LS6 intake manifold? Does the Dorman is a direct bolt on or there’s any modifications required? Thanks in The LS6 is still the better of the 2 according to the numbers I've seen. s. Performance 50+WHP (~60-65HP AT FLYWHEEL) INCREASE OF OEM INTAKE SMOOTH LOW-RPM DRIVABILITY - SOME CUSTOMERS HAVE BEEN DAILY DRIVING FO Oct 4, 2005 · Hot Rod did a test using the LS2 with the LS2 intake, FAST, and LS6. 1K views 20 replies 13 participants last post by spdrcrj Feb 6, 2005. (Flow testing that is). Or fastest delivery Tue, Nov Feb 18, 2011 · C5 Tech - LS2 vs LS6 vs FAST Intake manifolds - I have a failry stock car, just air intake and catback exhaust, but im about to finish off my my exhaust with headers and such. Since FAST offers its Wilson-designed LSX manifold with two different throttle May 25, 2011 · Corvette Forum - View Single Post - Ls2 VS Ls6 intake Porting tests EDIT: Oh and for porting an LS2 you can't simply epoxy it back together, it needs to be freakin welded! EDIT AGAIN: Zex that is simply not true. 3 6. EDIT:You might be better off swaping to the F-body accessories. Can Apr 26, 2018 · Adding an LS6 intake in place of the original LS1 unit is a popular performance modification for '97-00 Corvettes and '98-00 Firebirds and Camaros. 5L more of displacement, plus much better flowing stock heads, ls3 flows a max of around 330cfm intake vs 270cfm for the ls6. There are a couple of threads on LS1Tech about the new Dorman LS2 intake. 0L 615-183 parts at JEGS. Catch Can A (in) . +1 on the weak rears though. C6 Tech/Performance - Fast 102 vs LS6 intake on a stock 07, A6 - I have been reviewing many post on the impact of changing intakes on an 07 Ls2. The only practical difference is a slight change in runner geometry to suit the larger displacement. If you really want to run the tb you can get an adapter or just get your stock tb ported, but I would just go with a used LS6 or the Dorman LS6. FAST assembled a team of some of the best manifold experts in the Buy Dorman 615-183 Engine Intake Manifold Compatible with Select Models: Intake Manifolds - Amazon. However the LS6 requires the smaller 78mm Throttle Body the 04 GTO's have the LS6 intake standard. Therefore, I would rather have purchased the Dorman LS2 than this original GM LS6 intake. to/2vd2OTWSanding Drum Kithttps://amzn. Either of these legends is the perfect choice for your general cruising needs, BUT if your looking for every last pony for your weekend warrior you'll enjoy a 6 to10% gain in peak power numbers from the venerable LS6 intake. Most say the ls6 is the best of the 3. The LS6 held Dec 1, 2011 · Check out LS1 vs. 99 $285. 0L 90mm Cathedral Port Intake Manifold NEW Corvette GTO Dorman's growing category of Intake Manifolds offers leading application coverage for today's most in-demand vehicles. 5 hp and 30 ft lbs over the LS1 and produced more power across the whole curve. Click image to zoom. LS2, LS3, LS7, LS9 use a different PCM operating system and high speed LAN. The Dorman we mean. 0L 90mm Cathedral Port Intake Manifold NEW Corvette GTO Dorman's Few more pieces of info: Yes, the top of this throttle body blade opens towards the intake manifold (AKA backwards from the silver blade). Used. Total price is: 1026 dollars and 99 cents. Even though the ls2 intake has a larger (90mm) tb bore, the flow characteristics of the ls6 are/were better. FRC Tom Discussion starter. com is now $727. Then fused on a larger snout, but the price was still pretty high in the end. com. Speed Direct Rack and Pinion, Semi Coilovers, Sharkbite Rear Coilovers. If anyone thinks their ported LS6 or LS2 can beat my FAST simply get it installed and I will transplant on a fully prepped FAST and tune it on a dyno. Dec 4, 2014 · The Dorman LS6 replacement intake manifold (denoted by the red line) delivered nearly the same power as the original LS6 (blue line). Was recommended to try and find someone through this forum! Located in NY, please let me know if you Even the used-to-be-cheap Dorman intake on rockauto. 590/. Jump to Latest LS6 Intake Straub Technologies 229/235 . Our intakes make more power down low, as compared to a car intake that makes its power up high. LS2 vs Fast 78mm and FAST 90mm Intakes "Once we were finished with the factory offerings (we didn't bother to run the truck manifold, which will produce less peak power than the LS1 but more low-speed torque), we moved on to the aftermarket. Material Type: Polymer. Also doing LS3 heads (gm performance part), arp head bolts, 2009 6. on forged 402 ls2 bottom end. It is thoroughly tested to ensure top-quality OEM construction and superior reliability. Feb 6, 2015 · For example, the LS2 intake physically fits on a LS6 engine, but the fuel rails, injectors, MAP sensor and throttle body bolt pattern are all different. $271. 5 CNC ported LS6 heads. Full Manufacturer Warranty. Jun 28, 2020 · The results seemed inconsistent too, porting may be needed with this intake for the best results but puts up the cost. The LS6 made more power over the LS2 and the FAST made 20 more HP than the LS6. $1,152. See All 15 Photos. 4K views 9 replies 7 participants last post by mistermike Nov 13, 2012. LS1 vs. repeat the test again at 440ci, and we all know how that will go. Save Share Reply Quote Like. Product Q&A View Now. Short 2:20 minute video showing the Dorman 615-183 LS truck intake, made for the 3-bolt 75mm throttle body. Stock LS6 intake vs FAST 102. The other notable difference was in the LS6 camshaft In terms of engine the newer CTS-V have the LS2 in them as well, it the earlier models that have the LS6. Reply. Supposedly the NEW Dorman LS6 is better since it is made the same way they are making the Dorman LS2 now. 92? - Im thinking of swapping from a Ls6 intake /tb to a f. Vehicle/Engine Search Vehicle/Engine Search Make/Model Search If you lose power, you can put the LS6 back on and sell or return the Dorman and get your money back. Didn’t need an adapter to keep the 4 LS2 vs. C5 Tech. Ls3 heads will not bolt on the Ls6. com FREE DELIVERY possible on eligible purchases LS1/LS2 Engine Tech. 12. Nice quality, decent price and inexpensive upgrade for an LS based engine. Select Store. Jan 22, 2007 · C5 Forced Induction/Nitrous - FI LS2 Intake vs LS6 Intake - Is there any advantage to go with LS2 intake vs LS6 intake? I have a LS1 346cid bottom end with AFR 205's, LS6 intake with LS1 throttle body & LS1 ported MAF being fed by A&A Vortech SQ S-Trim at 8-9psi. Ive seen people only pick up 10rwhp over a ported ls6 or ls2, but they also gained 30+whp at redline (ive seen a 50hp difference between intakes at redline before). Dorman 615-901 GM LS2 6. Sponsored. LS6’s intake has many modifications, making its airflow better. Dorman 615-901 Intake Manifoldhttps://amzn. highperformancepontiac. (from vid on youtube, willl make life easier) Jun 18, 2021 · Dorman 615-900 LS1 Upper Intake Manifold Features: 78 mm Throttle Body; EGR Ready; 8 Ports; Port Outlet: 3. I may just stay with the stock LS6 intake, I'll play around with that idea, but I agree, the price for a FAST just seems a little high for the power gain and there are better things to spend Dorman LS2 6. LS2 I believe is the 6. Your best bet is to look on eBay and FB Marketplace for a used intake. It takes a ported ls2 intake to be on par with the ls6. Dorman LS2 6. 3/6. Onroad, even if it dipped my engine to C5 Tech - tpis intake vs porting LS6 - I have been reading a lot about this intake lately. LS6/85mm vs LS2/102mm IDK what my brain was thinking but it went from which combo will flow more to: comparing a pre-baby Jessica Alba (LS2/102) to a post hepatitis Pamela Anderson (LS6/85mm) One of the biggest differences from the LS1 to the LS6 is the intake manifold. The slightly shorter runner The LS1 made its debut in 1997 in the Corvette, 98 in the Camaro/Firebird, and the pickup version (the Vortec 4800, 5300 and 6000) came out in 99 in the Silverado pickups. With the original truck The ls2 car intake is the worst flowing ls intake out there other than the old original ls1 intake. 99. The intake is available with multiple plenum tops and even blank tops are available for completely universal applications. 5 SOLD 2003 Cobra- stock pulley, k&n intake, jba mufflers, untuned 413 rwhp and 382 rwtq. Both motors are great, lots of hp and torque. Here are some key features that make it stand out from other options in the market: 1. Enter your username: Do you want to login or register? I have an ls7 rail laying in the garage also. the LS2 intake manifold or the LS6 intake manifold. The ls3 has much greater mod potential and can make big power with relatively minor mods. 568", LSA 114 2 days ago · Find Intake Manifolds, Fuel Injected Cathedral Port LS1/LS2/LS6 Cylinder Head Configuration and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing SpeedCard - learn how to get 15% back up to $150. The 102mm 146302B Choose The LS6 goes ahead of the competition with merely 1050 USD and the newer LS3 has a whopping price of 8000 USD. For OP, this means that if you are searching for the "LS6 intake," search based on year not just name. 6 to 3. 06 GTO - stock power, Monster 2, drag tires, 12. We already know the Trailblazer SS intake is great. Back to Subforum. Dec 12, 2023 · The Killer Bee actually goes a bit beyond the other intakes here though, which is a selling point for some people. Once again, as Richard Holdener showed us, the short Jun 21, 2019 · LS1 < LS6 < Dorman LS2 < 90mm TPiS/LPE snout LS6 < 92mm Fast The Dorman LS2 is pretty decent for the money. Using heads designed for Mar 30, 2017 · The new Dorman LS2 intake flowed similarly to the truck intake to a little under . Your Choice of Quality. Show Printable Version. 56's 35's On the LS1 vs LS6, I'm not overly worried about the power difference between the two in my application. 19. The Dorman LS2 Intake Manifold is made from high-quality materials, ensuring durability and Dorman LS2 6. This Jan 15, 2009 · Despite the 12mm handicap in throttle opening, the LS6 intake easily outperformed the larger LS2 unit, producing peak numbers of 489 hp and 481 lb-ft of torque. The intake I really wanted was the TPIS 90mm LS6 intake but its US only and you can't buy that any more. That may be your best bet finding a "performance one" as all other intakes are well north of $600. 4 and I was May 11, 2017 · New Dorman LS2 in which it is supposedly comparable to the TBSS. From: Shiloh Ohio. 95. 559 107, Hedman Headers, Magnaflow Exhaust. IIRC, LS6 intake is also the same as the LS1 intake during the LS6 years - that is, 2001-2004 is all the same intake manifold for both engines. I think the mm is less on the ls6 compared to the stock intake and TB on my LQ9 so would that hurt me then since I’m going FI? That being said - look at the Dorman LS2 intake results are showing it flows FAST LSXR 102MM LS1/LS2/LS6 Intake Manifold 146302B, Black FAST engineers teamed up with airflow specialist at Racing Head Service to develop polymer intake manifolds for GM LS engines. 2l truck intake, and replacing pistons/rings. The TQ output will suffer on the long cross ram manifold if the volume of the port "valve backside to inlet in the plenum" are outmatched by ci and demand, So yeah, a Victor jr would likely make more low end tq on a 400ci motor then a ls6 That one is a little more difficult to tell, especially when dealing with only the Corvette C5 versions of the two manifolds (on the F-bodies there was an EGR provision/hole on the top of the 1998-2000 LS1 intake manifolds but on the 1997-2000 C5 versions there was not and of course ALL LS6 intakes (including the 2004 GTO) didn't have the EGR hole). Apr 7, 2015 · Htostar Racing For LS Intake Manifold Compatible with LS1 LS2 LS6 of cathedral port heads with Drive by Cable Throttle Body Compatible with Chevy Cadillac Pontiac Aluminum (102mm) Texas Speed TSP Chopacabra Cam Kit with Springs Seals Pushrods LS Truck Camshaft 4. 7 in. ftlfirefighter. But how does the Dorman LS2 replacement stack up, but in a slightly nicer looking and much shorter package that fits Apr 20, 2017 · LS2 intake besides the opening is one of the worst GM designs intake wise, and I doubt the Dorman is any better. Wish we had a true LS6 for comparison at the shop. Le Mans Master . Most people who have dyno’d their car after installing the intake say Dec 26, 2024 · Dorman LS2 Intake Manifold 615-901 Cathedral Port LS1 LS2 LS6. SKU # 591322. If you gain power, you can sell the LS6 and get your money back, and maybe get even more money back since LS6 intakes still go for stupid money. When you remove the rest of the induction system and Jun 17, 2018 · To Dorman LS2 intake vs LS6 - Anybody use it? Subscribe. Run in anger with the stock intake, the modified 6. Dorman says it also has a 90mm LS2 intake in the works that will be a true Jul 11, 2020 · Overall, the intake system on the LS2 flows upwards of 15% more air than the LS6 intake system. 2004 Z06. If you really want to run the tb you can get an adapter or just Jun 17, 2018 · In re: GM manifolds the LS6 and LS2 intakes are much alike. 0 out of 5 stars. A ported LS2 will NOT outflow a ported LS6. GM LS6 Intake Manifolds in-stock with same-day shipping. 8, 5. 92mm intake /tb. For the first test, we topped the Holley Hi-Ram intake manifold with a dual 4150 plenum. . Saw someone mention on one NA build they made ~ 485 whp and used a Dorman LS2 LS1 injectors, intake manifold gaskets & fuel rail fit the Dorman LS2 For drive by wire I don't think any mod'd are needed. Randall Discussion starter 124 posts · Joined 2010 Add to quote; Only show this user #1 · Mar 3, 2011. An item that has been used previously. Home Delivery Not available Same Day Delivery Not available. 714 @ 111. You might want to check out this comparison test. Opens in a new window or tab. i have a 04 z06 and was wondering if a stock or even ported/polish LS2 intake manifold would be better. 0L 90mm Cathedral Port Intake Manifold NEW Corvette GTO. Helpful. 9132 posts · Joined 2001 Add to quote; Only show this user #1 · Jan 29, 2005. In addition, will be installing the Holley LS2 Valve covers w/Accel LS2 SuperCoils (click), and this Valve Cover Breather . You can find the article in HotRod. Likes: 6. As far as the upper, I had it sitting next to my LS6 manifold and you could visually tell the runner volume was a lot larger on the dorman. Jump to Latest 1995 Black Corvette, LT1, 6 Speed, ZR-1 A molds, SLP Claw intake, & some catback, needs to be lowered, 58K miles. Nov 8, 2012 · LS1/LS2/LS6 intake for boost. $21. The LS6 was the hopped of version of the LS1 5. a. GM revised the LS6 intake manifold to flow better through smoothed edges and a larger volume plenum. One of the best ways to improve power and performance on the LS1 and LS6 engines is through an intake manifold upgrade. NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS This engine intake manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. 0L produced 535 hp at 6,900 rpm and 468 lb-ft at 5,100 rpm. whats the difference between the 2 Apr 17, 2017 · Interesting project. or Best Offer. 8/5. I would go back to the drawing board. The original intake manifold often fails when the internal PCV valve becomes dislodged, leading to excessive oil consumption. Link above should show that, I missed the part where you mentioned ported LS6 earlier Aug 10, 2020 · This was obviously less than the 483 lb-ft produced by the Dorman LS6 intake, but the Hi Ram offered gains as high as 54 hp. 500 in. Aug 20, 2024 · JEGS LS Fabricated Intake Manifold for GM LS1, LS2, & LS6. I purchased this before I was informed that the Dorman LS2 intake is actually a better flowing than the LS6 intake. High-Quality Construction. Ls1 rails only fit ls1/ls6 intakes. 0L LS2 in 2005. Just because it has an OEM 90mm TB doesnt mean its a great intake. May 1, 2008 · We show you how to port the LS2 intake manifold in your '05-'07 Chevrolet Corvette and demonstrate how intake porting adds 10 RWHP in C6 Corvettes - Vette Magazine Gone were the LS6 intake Jan 29, 2005 · Intake Test: LS2 vs LS6 vs FAST. Quick Reply: Dorman LS2 intake vs LS6 - Anybody use Dec 6, 2016 · Buy Dorman 615-901 Engine Intake Manifold Compatible with Select Cadillac / Chevrolet / Pontiac Models: Intake Manifolds - Amazon. 0L LS was the Holley Hi-Ram. Just depends on what your goals are as well as time and money. Jump to Latest Follow 2K views 12 replies 8 participants last post by BADDV6 Mar 5, 2011. 0L 2005-2006 GTO, 2006-2007 CTS-V, 2005-2007 Corvette 90mm Cathedral Port Intake Manifold NEW. 7L engines found in certain late-model Cadillac, Chevrolet, and Pontiac cars. Dorman 591322. May 19, 2020 · Results below are the following (bold are the incremental changes) pulls done starting 2000rpm in 4th: Blue = Halltech "Stinger" CAI (filter placed behind filler plate), stock C5Z MAF, Mamo Ported LS2 TB, untouched Dorman LS2 intake 381/334 Green = Stock LS3 air bridge + stock card MAF + SD tune, Mamo Ported LS2 TB, untouched Dorman LS2 intake 385/338 Nov 8, 2011 · I am building an LS1 and planning to swap the LS1 intake to an LS2 intake since I bought an E40 ECM and wiring. 69. 0 5. But for $6000 (if you can even find a crate) why not do a head and cam swap and get even more power than an LS6. yes, the fuel line will clip onto the LS2 rail. Doorman LS2 vs LS6 intake. Included in the Killer Bee kit is a MAF adapter that converts the factory Delphi 85 MAF to the superior LS6-style card MAF which provides more accurate readings and allows the LS2 to run much more smoothly and predictably than with the old MAF style. Basically sounds like they took a LS6 and smashed it together with a FAST to make a cheap mid level intake. Would have the extra cost of the a larger CAI. 5 out of 5 stars. ACES Fuel Injection AM2011B - AM2011B Hi-Ram Intake Manifold, for GM LS1/LS2/LS6, with Fuel Rail Jul 1, 2010 · C5 Tech - intake manifold LS2 vs LS6 - whats a better intake. Part Number: 555-513050. com . Not dyno tested. The LS2 will have more low end torque due to the larger displacement but the difference is minimal. Aftermarket intake manifolds will have a larger volume and superior flow characteristics when DORMAN Engine Parts and More for Your Vehicle at Reliably Low Prices. Read more only at www. 7L SILVER W/ THROTTLE BODY. Dorman LS2. May 28, 2008 · Box Stock LS2 engine Katech tested a LS2 VS A LS6 and used the 78 on the LS6 VS the 90 on the LS2 Results were that the LS6/78 bested the LS2/90 by 6RWH/16RWT I dont have ported info on the LS2 nor the LS6 but a quality ported Fast is worth 15RW to 20RW over the LS6 depending on cam and or heads and even more over the LS2 Shop GM LS6 Intake Manifolds and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. Some LS2's have oil consumption issues though. Back in late Dec 4, 2014 · Dorman says it also has a 90mm LS2 intake in the works that will be a true performance upgrade for the LS1/LS2 manifolds and an improvement on the original LS6, too. Part Number: PCD-70606-0000BK. also LS2 injectors are slightly taller then the I have just a few simple mods - headers (stock exhaust catback), cold air intake and ported LS2 90mm throttle body on my LS6 manifold modified by TPIS I am very happy with the combination both as to driveability and power. Constructed from an advanced polymer material, the LSXR‚ offers a host of benefits over aluminum aftermarket intakes, including lighter weight, increased strength and improved FAST Black 102 mm LSXR 102mm Intake Manifold for LS1, LS2, and LS6 (146302B) GET A FAST intake or just convert your 3rd gen heads to 4th gen heads with a new L92 or LS3 intake manifold. Please let Get the best deals for Dorman LS2 Intake Manifold at eBay. 0L 4L65e np241 '73 IH 1210 Travelette SV392 V8, T34, 60/14bff 4. 578 posts · Joined 2010 Add to quote; Only show this user #1 · Nov 8, 2012. This Dorman intake is just simply unsafe and will crack, causing you at least an afternoon to remove it, or at worst a fire and possibly a new vehicle LS2 Intake vs LS1/LS6/FAST 78/90 Intakes LS1GTO Forums, Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR offers Quick Test: Dyno Testing Dorman's LS6 Intake Manifold, 54% OFF. com, the official website for High Performance Pontiac Magazine! Fast 102mm intake for LS1, LS2, and LS6 cars Find many great new & used options and get the best deals for Dorman LS2 Intake Manifold 615-901 Cathedral Port LS1 LS2 LS6 at the best online prices at eBay! Free shipping for many products! May 7, 2017 · It's not a legit fast manifold but the lower section on the dorman has the same casting number. $461. for pickup availability. Intake 3 bolt to 4 bolt adapter MAP relocation kit Shave rear pillar down to fit Questions: Where does the brake booster line go to on the Dorman? Do the steam lines Sep 12, 2016 · The first order of business was to establish our baseline power with the factory LS1 intake. 95 /each. 1 2 3. The new Dorman LS2 intake flowed similarly to the truck intake to a little under . Additionally, The third generation of General Motors’ small-block V8 engine was one of the most iconic, with the 5. 05-02-2006 | 12:36 AM #4 shurite44. . 351 posts · Joined 2005 Add to quote; Only show this user Find Intake Manifolds, Fuel Injected Cathedral Port LS1/LS2/LS6 Cylinder Head Configuration, Complete Intake Section Included and get Free Shipping on Orders Over $109 at Summit Racing! Complete, Black Throttle Flange, 105mm, Nylon Lower, Can Boost, Cathedral Port, Chevy, LS1/LS2/LS6, Each. Repeat the test with a 400ci engine. Limited-Lifetime Warranty. Most of the threads say to just buy a FAST 90 but those are more rare than a unicorn now a days. Dorman LS2 seems like the best option for those that don't want to spend $850+ on an intake manifold. Pre-Owned. 750 in. The different runner shape of the fast intake allows the motor to breathe better up top in the RPM'sa properly ported fast intake should Mar 16, 2021 · You're basically looking at a used Fast 90/92 or someone selling a ported LS2 intake for your price range. 99 $ 21. As for cost, my recall is the TPIS modified LS6 intake manifold was somewhere between $350 and $400. LS6 vs. Engine Mods: Livernois Stage III LS6 heads/cam Why choose Dorman LS2 Intake Manifold? There are several reasons why I chose to upgrade my LS2 engine with the Dorman LS2 Intake Manifold. Mild porting to clean things up. The LS6 intake makes more torque and HP through the entire rev range vs the LS2 intake even though it has a smaller TB. Only show this user. This is an older thread, you may not receive a response, and could be May 6, 2008 · Theres more to these intakes than a peak power difference. 0L Gen IV rated at 400hp found in the Corvette (and the Cadillac CTS-V?). the LS2's intake has been proven to be inferior to the LS6. $1,256. Jump to Latest 21 - 38 of 38 Posts. There The very first ported FAST I prepped was for my C5 and the ported LS6 on it was 22rwtq less between 3500 and 5500rpm. This Dorman OE FIX intake manifold has been redesigned with a retaining pin for the valve to prevent future failure and includes a new throttle body gasket, port gaskets, fuel injector O-rings, MAP sensor O-ring and screws for a complete installation. I currently have an LS1 intake with stock TB on my car since it's a 2000. Get the Best Performance with Dorman Products Upper Intake Manifold 1999-2007 GM LS 4. you'll get a very different result. Sell the built LS6 as it is. LSXR 102. One of the guys is running back to back flow numbers for various intakes. 123 sold. ARP 130-2001 - Intake Manifold Bolt Kit Chevy LS Series Dorman 615-901 LS2 Upper Intake Manifold Features: 90 mm Throttle Body; Non-EGR; 8 Sep 8, 2014 · Dorman 615-380 Patented Plastic Intake Manifold - Includes Gaskets Compatible with Select Buick/Chevrolet Models (OE FIX) 4. The TBSS was tested to make Feb 25, 2005 · C5 Tech - LS2 vs LS6 intake results - Just got my April issue of Hot Rod magazine and what do you know they (Katech) are testing an LS2. Forged 365,Tvs1900@11 psi,IW overdrive 8 rib,LC32 duel pass,meth,custom cam,PRC heads,Yank,areomotive,some more goodies. LS6 Specification Find many great new & used options and get the best deals for Dorman LS2 Intake Manifold 615-901 Cathedral Port LS1 LS2 LS6 at the best online prices at eBay! Free shipping for many products! LS2 Vs LS6. t. Jump to Latest 13K views I'm probably just going to stick with PRC stage 2. Despite the shift to LS2 engines, you can still get an LS6 crate engine for your vehicle. This polymer LS6 manifold sits 7 inches tall and is available in a black finish Apr 2, 2021 · In LS configuration, it is available for LS1, LS2, and LS6 cathedral port heads, LS3 heads, and LS7 heads (used here). C5 Tech - LS6 vs LS2 - I have a built LS6 sitting here and a stock LS2. Report. Last edited by JerriVette; Dec 24, 2006 at 08:07 AM. Also known as Velocity Stacks or Trumpets. Add to Cart-10% ITB Intake Manifold Kit for all Gen 3 & Gen 4 LS Engines with Cathedral Port Heads. ICT Billet USA Made LS Engine Car Intake Manifold Bolt Kit Camaro Corvette Firebird Trans Am LS1 LSX LS2 LS6 LS3 LS7 ICT Z06 Z28 SS F-Body 4th Gen American Made 551429. Cut the snout off. First a few basic questions: LS6 Does the LS6 swap require tunning? The LS6 intake manifold is a "better Design" then the stock LS2 intake. 600 lift, then the truck intake flowed better at higher lift. The LS6 and LS2 used better heads and intakes to improve the flow. Engine Mods: Livernois Stage III LS6 heads/cam | Cam - 224@. 811 @ 107 I know that velocity and other factors impact performance but I'm hoping someone will also compare LS2, LS6 and Fast 92. Ideal replacement - this intake manifold was precision-engineered and durably manufactured to match the fit and function of the stock Jun 8, 2014 · LS1/LS2 Engine Tech. Sorry if its a dumb question but I Dec 14, 2017 · How does a Dorman reproduction intake stack up to a TBSS unit? The TBSS manifolds have proven to be a powerhouse on many cathedral port setups, but they simply don't fit under tight hoods. Hi guys, I'm putting together an LM7 for a turbo build in a project car. $ 1,026. Please let Jegs LS1 LS2 LS6 INTAKE MANIFOLD 5. They offered serious power gains from 4,500 rpm to 5,700 Jul 11, 2020 · Overall, the intake system on the LS2 flows upwards of 15% more air than the LS6 intake system. Would having the LS2 intake manifold ported benefit a turbo car? wink wink . 3, or 5. Of course, there is always the Speedmaster cast aluminum intake manifold. Fast Online Catalog. Read more. We have a great online selection at the lowest prices with Fast & Free shipping on many items! 102MM ALUMINUM LS1 LS2 LS6 INTAKE MANIFOLD 5. Thread Tools. The dorman clone gained 22. 1 2 442 Posts #21 · Feb 10, 2011. LS LS1 LS2 LS6 Intake Manifold Compatible for Chevy for GMC for Pontiac Intake Manifold Cathedral Port Silver 102mm. Joined May 11, 2009 · 28,897 Posts I’ve read that the only intakes that will fit the LQ9 with 317 heads is the ls1, ls2 and ls6. If you hack up your LS6 and epoxy a 90mm snout onto it, you may gain power or you may lose power. Can you tell the differences between the LS2 vs LS6 intake? The two differ in their displacement, the Gen they belong to, the camshaft, the manifold metal intakes, pricing, power peaks output, internals, a Feb 27, 2019 · I've read that the dorman is comparable to a FAST 90 once you clean it up a bit. I went with Dorman ls2 since my setup is gen4 (5. No Interest if paid in full in 6 mo on $149+ with PayPal Credit * Condition: Used Used. We show this in all 3 pieces, places that should C5 Tech - LS6 intake vs f. As luck would have it, the factory truck intake is a solid performer, bettering both the original LS1 and LS2 for power and nearly matching the much-sought-after LS6. Click for Advanced Search . In-Store Pickup. nat_tddbb9ki (1350) 100% positive; Seller's other items Seller's other items; Contact seller; US $600. 99 SAVE $34. Dorman Intake Manifold 615-901 Shop All Dorman. Looking also at doing headers while have heads off. $495. Fits LS1, LS2, LS6, LM4, LM7, LQ4, LQ9, LY2, LY5 etc. May 10, 2017 · Well i assume the runners and plenum of the dorman LS2 are the same as the dorman LS6. 050, Lift . Joined: Sep 2004. Fuel Rail mounting brackets and required mounting hardware. LS6 blocks can only use LS1, LS6 and LS2 heads. Obviously, the healthy cam and AFR heads allowed the motor to rev cleanly up to 7,000 rpm, even with the stock intake. 00 More than 10 available Fits GM LS1, LS2, and LS6 cylinder heads with cathedral intake ports; Accepts 92mm or 102mm throttle bodies; Includes fuel rail kit, intake seals, hardware, LS3 The LS1/LS6 cathedral port intake is the answer to your low hood clearance woes when dropping that Gen III 4. x 1. Free shipping. Dec 5, 2017 · The 224/228 camshaft improved power over stock by 91hp and 60 ft lbs with the LS1 intake. Reply Like. Would cost the same to convert my LS6 to 90mm throttle body. 0 6. RPM Range: 1500-6500 RPM. In process of replacing the LS6 Intake with the Fast 102. That's true but a ls6 outflows a stock ls2 intake. LS6 would be the easiest swap. Both are similar in cost, the Dorman LS2 intake from the research I have done is on par with the original FAST intake. Rauq Discussion starter. Get it Htostar Racing For LS Intake Manifold Compatible with LS1 LS2 LS6 of cathedral port heads with Drive by Cable Throttle Body Compatible with Chevy LS2 Intake vs LS1/LS6/FAST 78/90 Intakes LS1GTO Forums, Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR offers Quick Test: Dyno Testing Dorman's LS6 Intake Manifold, 54% OFF. MSD 27023 Atomic Airforce Intake Manifold, LS1, LS2, LS6, Black. Jan 24, 2024 · From everything I've been able to research and read, the LS2 is one of the worst flowing cathedral intakes, period. Precision engineered for OE-level fit and function, the Dorman LS6 intake 615-900 is a durable, reliable, and high-performing replacement option for LS V8 350 5. It'd be a decent upgrade over a stock ls2 if you didn't want to spend FAST102 money. com FREE DELIVERY possible on eligible purchases Better than a GM LS2 intake, and cheaper too. Ls3 Vs Ls6: Similarities Material and Appearance. This is an older thread, you may not receive a response, and could be The LS2 intake will work as well. May 1, 2006 · The stock intake is the LS2, not the LS6. Intake comparison Feb 14, 2011 · I have order a LS6 cam to install in my 2006. Here is a quote: There's been a lot of speculation on the internet that swapping the LS2's intake manifold with its large 90mm throttle-body might be a hot-ticket setup for older Jul 25, 2018 · C5 Tech - Thoughts on Dorman vs OEM LS6 Intake Manifold - Has anyone done a real side by side comparison test with the Dorman LS6 reproduction intake manifold vs a genuine LS6 intake manifold? This would be for an LS1 upgrade. 7L found in the C5 Z06 Corvettes. 3 LC9). I already have a LS6 intake and a LS2 TB can be had for a hundred bucks so we are talking 450 for the TPIS and throttle body. Going to pulley down slightly from 3. ls2 throttle body on ls6 intake ; gain ? C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace The results seemed inconsistent too, porting may be needed with this intake for the best results but puts up the cost. That being said, the intake manifold by itself is a different story. Porting has produced anywhere from 0 to around 15 depending on the car and who you ask. FREE delivery Sat, Nov 9 . to/2HRLY2aAbrasive Buffing Looking for an LS2 intake manifold for my project car. 00. 7 liter* into your classic ride. Part # 615-901. 1987 Buick Grand National- 12. It still used the same size 78 mm throttle body, but made 20-25 horsepower more than the LS1 manifold by itself. I'm thinking about going with a ported LS2 intake and TB. Is it worth taking the heads and cam from the LS6 and put them in the LS2? mild port job on L92 heads w l76 intake. 0L 2005-2006 GTO, 2006-2007 CTS-V, 2005-2007 Corvette 90mm Cathedral Port Intake Manifold NEW Dorman 615-901 GM LS2 6. If you want a 90mm TB on the LS6 intake, TPIS offers an LS6 intake with a 90mm TB mounting. I wish we could find someone selling ported LS2 intake manifolds on an exchange basis. All subsequent engines use this new improved head/intake combination. If it isnt better I will replace the original. 4. LS6. 69 $ 271. 99. 0 Dec 24, 2006 | 09:24 PM Any LSX motor will fit. With that being said, the (newer) truck intakes have that same size bore. Yes, the throttle position sensor inside the throttle body reads the correct voltage and percentage. It is thoroughly tested to ensure top Mar 24, 2023 · LS expert Richard Holdener does an intake manifold comparison test with a stock vs. DIY-Easy. however, for craps and giggles. Jump to Latest 8. Will there be a good gain from the swap? Ported LS2 Throttle Body Ported FAST 92mm Intake Manifold I Find many great new & used options and get the best deals for Dorman Products 615-900 Ls6 Intake Manifold at the best online prices at eBay! Free shipping for many products! The LS1 has an exhaust gas recirculation provision, while the LS6 lacks one. Mar 3, 2011 · LS1/LS2 Engine Tech LS1 vs LS6 Intake. Brand New. When you remove the rest of the induction system and Apr 20, 2017 · LS2 intake besides the opening is one of the worst GM designs intake wise, and I doubt the Dorman is any better. Run on the dyno first with the Dorman LS6 intake, the modified 6. And for $350 I thought I would try it out. 8 5. LS2 LSXR 102mm Intake Manifold for LS1/LS2/LS6. New (Other) C $650. The dorman LS6 flowed worse than the stock LS6, but the plenum mouth is actually smaller, as well. And these differences grow even more when comparing the car and truck versions, which is a shame because there are so many more used truck engines available for a bargain. Typical: $285. Next up on the modified 6. 3L 6. 7L SILVER W/ THROTTLE BODY Free Ship. Email this Page. FAST intake—see the dyno results here. 2 Vortec 1999-2013 Jul 10, 2012 · Fast 102 Intake #146302 for LS1/LS2/LS6. This is what replaced the ported GMPP/ LPE LS6 heads and Dorman LS2 intake for the ERL 416 build when the GMPP heads had too much compression. 8. High; MSD Ignition 27023 - AirForce Intake Manifold GM LS1/LS2/LS6 - Black with Solid Black Logos (0) $1,129. (most common intake available in the junkyards), LS2, LS6, and (especially) the TBSS Htostar Racing For LS Intake Manifold with Throttle Body Compatible with LS1 LS2 LS6 of cathedral port heads Compatible with Chevy Cadillac Pontiac Aluminum (102mm) The Dorman Ls2 Intake Manifold is a great option for Feb 1, 2013 · When I bought my ls2 intake (car) for a project I did a little reading. In my opinion the Dorman will not be an improvement over a LS6 intake unless the engine is starving for air due to large cam, swapped heads, stroked, etc requiring more CFM than the 78mm throttlebody can provide. The LS2 intake will make the same power as the early LS1 intakes untill higher rpm where the 90mm TB gives it an edge. 6 out of 5 stars 231 43 offers from $9800 $ 98 00 May 20, 2017 · Nobody has done a direct intake swap and dyno test with the Dorman LS2. Reply Subscribe . It is an LS6 (best factory cathedral port intake) with the LS2 90mm snout welded on. Dorman has gone full retard and priced themselves out of the market. Dorman's growing Jul 14, 2016 · The ls3 has . Dorman LS6 was bad. To verify/confirm the Catch Can routing: 1. Jump to Latest 41 - 46 of 46 Posts. Search around for a ported LS2 intake manifold. FAST assembled a team of some of the best manifold experts in the May 5, 2009 · LS2 vs. $1,129. 04 bolts on e-85 2005 Pontiac GTO- 160 thermostat, vararam, obx headers, 12. from United States. 99 $427. Posts: 7,027. the injectors will need adapters due the the fact the plugs are different. Dorman LS2 Intake Manifold 615-901 Cathedral Port LS1 LS2 LS6. When the LS3 came out, they used a whole new head and intake that further improved flow. should go to the Valley point (A) . It is way easier to get massive amounts of horsepower out of any of the newer engines that use the new, improved heads Ported LS2 intake opened up to 102mm with a 102mm throttle body and ls3/ls7 modified MAF. Not Yet Reviewed Apr 14, 2010 · LS2 Intake vs LS1/LS6/FAST 78/90 Intakes. There are two different ls1 rails on with feed line only and one with feed and return lines Nov 27, 2022 · Comparison guide for the GM/Chevy LS1 vs LS6 V8 engines, analyzing specs, cars, history, engine design, performance, mods, and reliability when Chevy superseded it with the larger 6. Shop Now at the Guaranteed Lowest Price! $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: 2025 This engine intake manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. All of this was done on a 2005 LS2 A4 GTO. :bomb: LS Hi-Flow Holley EFI Fuel Rails - Fits LS1, LS2, LS3, LS6 & L99 factory intakes Includes (4) -6 to 3/4"-16 O-ring fittings. View Next Unread. jzr wiqc zfbtup srmoa sxuge uiebuq hyah ytma qex diqblj