1998 chevy vortec 350 specs 7L Vortec will get the job done! This hard-working replacement engine provides the OE horsepower and torque specifications while adding high-quality internals for long-term durability. The big secret to Vortec bolt pattern and torque spec is the silicone-enhanced gaskets with a hard carrier. so putting even a quarter of those funds into your Vortec 350 engine could get you where you want to be. 6-to-2000-350ci-chevy-vortec-5700-v-8-engine/ Truck specs: 1997 K1500 . The 98 Chevy 5. Jan 24, 2024 · In this article, we will explore the engine configuration, engine oil specs, and service intervals of the 1998 Chevy 5. 5 ratio Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s) water passages are the same as the original 1955 small block design. 7 Vortec engine, also known as the 350 small-block, has been a staple in General Motors’ lineup since its introduction in the 1950s. 7 Vortec was built with durability as a primary concern, which explains its reputation for longevity: Block and Major Components: Block: Cast Iron GM232-M (renowned for strength) Cylinder Heads: Cast Iron Jun 1, 2004 · Check out these First Generation 1996-1998 GM Vortec fuel-injected 350 Engine Power Upgrades, including exhaust, throttle body, and more, at Sport Truck Magazine. Jul 12, 2016 · Increased Power for Your 1996 to 2000 350ci Chevy Vortec 5700 V-8 Engine. 4:1 and the lift is . 7 Vortec engine is a V8 engine with a displacement of 5. 350 HO Engine Specifications: Displacement: 350 cubic inches Bore x Stroke: 4. 7L, 350 CI L31, Vortec engine has eight bolts attaching the intake manifold or four per head, as opposed to the traditional six bolts per head twelve in total found on older Chevrolet small blocks). It features a cast iron block and cylinder heads, providing strength and stability. 7 liters, or 350 cubic inches. 050-inch lift, 0. Nov 19, 2021 · OR, perhaps takeout Gen II LT1 or LT4 cams. Apr 13, 2025 · This change alone accounted for much of the power increase over pre-Vortec 350 engines. You think GM retorqued the intake manifold on the bazillions of production-line engines? Aug 20, 2014 · Hi All, I Have a 1997 K1500 with Vortec 350. 50 Rocker Arms: Stamped steel 1. Feb 12, 2024 · Discover the specifications, configuration, and maintenance tips for the Chevy 350 Vortec engine, a powerhouse of performance and reliability. 4-Bolt Main Block (1-Piece Seal) Chevy Small Block Intake Manifold, Vortec Head Design for TBI. The 1998 Chevy 5. Jan 24, 2024 · 1998 Chevy Silverado 5. LT1-powered Camaro/Firebirds (those with the 285-horsepower engine) use the following cam specs: 200/207 duration at 0. This specific capacity offers an ideal balance of size and output, enabling it to deliver robust performance across a range of conditions. 7 engine, also known as the Vortec 5700, was a powerful and reliable engine option for this popular pickup truck. 050, one is 192/197 and the other was 195/196. Nov 4, 2019 · The Vortec 350 came in hundreds of thousands of Chevrolet and GMC pickups, SUVs, and vans from 1996 to about 1998, so they are easy to find and relatively inexpensive to build. These cylinder heads have the 1996-1998 Vortec style 8 bolt intake manifold mounting pattern. 2. 7 Vortec Engine: A Brief Overview History and Development The Chevy 5. The LT-1 is one of the finest Chevy 350 engines they ever created, and the ZQ3 and L82s are both solid V8s. The 5. Construction Materials and Durability Features. The Vortec generated 255 horsepower at 4,600 rpm and 330 foot-pounds of torque at 2,800 rpm, or the force required to move a vehicle forward. 459 inches of lift and 117 degrees of lobe separation angle. Engine runs excellent with 210k on the clock. 48 inch Compression 9. 7 Vortec engine. It does, however, require a specific intake manifold (A 5. Mar 24, 2016 · 1. Cylinder Heads: Vortec cast iron 64cc 1. Oct 13, 2022 · In 1975, the highest output Chevy 350 engine was the LM1 at a measly 155 hp. Read more… Vortec 96-02 350 L31 Crate Engine Specifications. "Vortec" is a GM trademark. The 1998 Chevy Silverado 5. Re: stock cam specs for 96-2000 vortec 350's? 05-19-03 05:11 PM - Post# 232720 In response to bored&stroked The compression ratio is 9. Add an "h" to make "Vortech" and you've got an aftermarket supercharger company. 414/. I have seen two different numbers for the duration @ . Really, the only small block Chevy 350 engines capable of any performance were the LT-1, ZQ3, and L82s. 7 Vortec boasts a displacement of 5. 447/0. 7L Vortec 350 L31 Crate Engine. Jul 10, 2014 · It offers the performance of more expensive heads, at a much lower cost. 7 Engine Specs. If you need a heavy-duty engine for your 1/2 truck or van, the 5. 94/1. Jan 30, 2024 · Discover the specifications and maintenance guide for the iconic 1998 Chevy 350 engine, a powerful V8 known for its performance and reliability. 7 Vortec Engine: Common Problems and Solutions Chevy 5. 00 inch x 3. We found a Jan 25, 2024 · Chevrolet Chevy 5. 429. Let’s take a closer look at its engine configuration, oil specifications, and service intervals. 7 liters, classified as 350 cubic inches. 1:1 Block: Cast iron, four-bolt intermediate mains 5. fsiwuta klgsvs evkx mxevqyn joaq uvai jri eskadku uwqpkj auvny rmqben eqxd riqula dvtvfea nmkf