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Rebuilding the Chevy 3.4L/3.5L Engine

(Download the illustrated pdf here) We’re going to take a look at two of these engines, including both versions of the latest 3.4L that was used in the Chevy Equinox (and Pontiac Torrent) and the original 3.5L that was installed in several ’04-’07 Chevy cars and crossovers. And, we’ll give you an overview of what

Chevy 3.1L/191 Cam Bearing Bore Issues

If a new cam bearing is installed in a bore that has been damaged, it will spin in the block, cut off the oil to the cam, and cause an immediate failure. Inspect the cam bores in all of the late 3.1L castings (10137093/ 10191737/ 24504089/ 24504150/ 10224227) very carefully, paying special attention to the

Deciphering The Differences In The Chevy 2.2L Engine

Since its birth in 1990, when the old Chevy 2.0L engine was upgradedwith a stroke increased from 3.15? to 3.46?, the 2.2L powerplant hasbeen upgraded several times: the block has been revised four times andthe head has been changed three times (it was discontinued after 2003, replaced by the 2.2 L Ecotec). Let’s start in

King Introduces HP Engine Bearings for Chevy Applications

King Engine Bearings has added new rod and main bearings for Chevy engines to its HP Engine Bearings line. Made of bi-metal, aluminum silicon alloy, King’s HP bearings feature a 40 Vickers hardness that resists traditional overlay migration and extrusion. HP bearings have a 450° F heat threshold that affords greater protection against friction and

Rebuilding the Chevy 3.4L/3.5L Engine

(Download the illustrated pdf here) We’re going to take a look at two of these engines, including both versions of the latest 3.4L that was used in the Chevy Equinox (and Pontiac Torrent) and the original 3.5L that was installed in several ’04-’07 Chevy cars and crossovers. And, we’ll give you an overview of what

Ford, Chevy and Toyota Have the Highest Volume of Aftermarket-Ready Cars, Says Experian VIO Data

ExperianAutomotive has released the latest quarterly analysis of itsAutoCount Vehicles in Operation data. The second quarter data showedthat Ford and Chevrolet brands have the greatest number of vehicles outof warranty,* with Ford at nearly 38 million vehicles out of warrantyand Chevrolet with approximately 34 million vehicles out of warranty.This is an increase of 540,000 Ford

Chevy LT1 Engine and Reverse-Flow Technology

The Chevrolet LT1 5.7L V8 engine that was produced from 1992 to 1997 has some significant differences compared to the previous small block Chevy it replaced, and the third generation LS1 small block that later replaced it. The most obvious difference that distinguishes the LT1 from these other engines is the front-mounted Opti-Spark ignition system.

Small Block Chevy and Ford Performance Cylinder Heads

Over the years, the SB Chevy V8 evolved and grew in displacement from 265 to 283 to 302 to 327 to 350 to finally 400 cubic inches. Aftermarket blocks and stroker cranks have allowed even more displacement, with some “small blocks” now having as many cubic inches as a big block Chevy (427 and 454

Engine Builders To Tackle Chevy RO7 Engines in 2008 MAHLE Engine Builder Showdown

MAHLEClevite has announced an exciting new challenge for NASCAR enginebuilders competing in this year’s MAHLE Engine Builder Showdown held inMay at the NASCAR Technical Institute (NTI). After eight years of usingNASCAR Sprint Cup 357 cid Ford engines, MAHLE Clevite is switching toChevy RO7 engines for the event. Showdown teams race to build andsuccessfully run their

Chevy 3.1L/191 Cam Bearing Bores

Some of the later roller cam 3.1L blocks for the ’93-’94 Chevy VIN M are showing up with oversize cam bearing bores that appear to have been caused by spun cam bearings. If a new cam bearing is installed in a bore that has been damaged, it will spin in the block, cut off the

Stovebolt Chevy Engine Sealing

Machine shop staff tend to forget their capabilities. They get into a groove that works and then resist change. This not only precludes improvement, but fails to address problems with new solutions that actually work. Case in point: Leaking rear main seals on vintage engines with rope seals. The Stovebolt Chevys (inline sixes – 235

Rebuilding the Chevy 3

The Chevy 191/3.1L is the bigger version of GM

Rebuilding the GM / Chevy 2.2L Engine

Unfortunately, this four cylinder, pushrod motor didn’t have nearly enough horsepower, so Buick, Oldsmobile and Pontiac all opted for the 1.8L SOHC Opel engine from Brazil for most of their “J” cars, and Chevy promptly made its new engine into a 2.0L/121 cid that delivered more power in 1983. The 2.0L was upgraded in 1987

Rebuilding the New Chevy 262

This enabled GM to shorten the development process dramatically because it was able to adapt a proven design. But it also allowed it to share a lot of the existing tooling from the V8 production lines so the engines could be on the road sooner. The original 200 V6 that came out in 1978 was

General Motors / Chevy 191/3.1L

When this engine was used in the plastic mini-vans, it came with cast iron heads and the old, original, carbureted, non-H.O. cam. This cam was used because the reduced lift and overlap gave it a smoother idle. It

Performance Small Block: Chevy Engines

Small block Chevy engines long ago became mainstays in both thetraditional and high performance marketplace. So many of themhave been rebuilt over the years, and so much has been writtenabout the rebuilding process, it would appear that nothing moreneed be said. But the small block engine has changed over the years and so haveconsumer preferences

Balancing, A State of Equilibrium

The balance of a rotating assembly is critical in every aspect and for every engine.

Factors of Crankshaft Selection

From the high-performance powerplants propelling Top Fuel dragsters to the subdued engines found in family sedans and grocery getters, each crank must be tailored to, and appropriate for, its specific application.

B&B Performance Adjustable Billet Timing Pointers

Available for SBC, BBC and SBF, pointers come with stainless steel pointer, fasteners and a black anodized finish.

timing pointers