Chevrolet automobiles: V-8 LT-1 and LT-4 - repair

How to Build Max Performance Chevy LT1 / LT4 Engines

GM's LT1/LT4 engines represented the highest level of small-block V-8 develop-ment for the period between the legendary small-block Chevrolet and the introduction of the LS-series V-8. They powered all of the hottest production vehicles of the 1990s, including the Corvette, Camaro/Firebird, and Caprice/Impala SS.

These enhanced small-blocks were reliable and strong, and can be built to impressive performance levels on a relatively small budget, with the right upgrades.

This book guides you through the factory and aftermarket components of the LT1/LT4 engines, offering sound performance advice and recommendations.
Additionally, complete engine buildup recipes are provided, along with their respective horsepower and torque levels. You can follow the advice of experts and achieve targeted results for your own project.

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How to Swap GM LT-Series Engines into Almost Anything

The GM LS engine has dominated the crate and engine-swap market for the past 20 years, and now the new LT engine has become a popular crate engine for swap projects as well. As essentially the next-generation LS, the LT features a compact footprint, lightweight design, and traditional V-8 pushrod architecture similar to its predecessor, so it swaps easily into many classic cars, hot rods, and even foreign sports cars.

The new LT1/LT4 takes a bold step forward in technology, using active fuel management, direct injection, an upgraded ignition system, continuous variable valve timing, and a wet- or dry-sump oiling system. With this advanced technology and higher performance, more engine swappers are using the LT platform.
Swapping expert and longtime author Jefferson Bryant presents thorough instruction for each crucial step in the LT swap process.

Although the new LT shares the same basic engine design with the LS, almost all of the LT engine parts have been revised and updated. As a result, the mounting process has changed substantially, including motor-mount location, K-member mounting process, and component clearance; all these aspects of the swap are comprehensively covered. The high-compression direct-injected engines require higher-pressure fuel systems, so the fuel pump and fuel lines must be compatible with the system.

LTs also feature revised bellhousing bolt patterns, so they require different adapter plates. The oil pan profile and oiling systems are unique, and this can present crossmember clearance problems. All other important aspects of the swap process are covered, including accessory drives and cooling systems, engine management systems, tuning software, controllers, and exhaust, so you can install the LT in popular GM A- and F-Body platforms as well as almost any other chassis.
Solutions for the major swapping challenges, parts compatibility, and clearance issues are provided.

▶  More information on the CarTech S-A Design books

How to Rebuild Small-Block Chevy LT-1 / LT-4 Engines - Step-by-Step Rebuild to Factory Specifications

This step-by-step guide to rebuilding LT1 small-block Chevy engines includes sections on disassembly and inspection, reconditioning the block and bottom end, reconditioning and rebuilding the cylinder heads, fuel injection systems, and exhaust.

Covers 1992-1997 GM Cars and Trucks