SCORE Journal

SCORE Journal Issue - JUNE 2017

SCORE Journal - The Official Publication of SCORE Off-Road Racing

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Page 95 of 108

SCORE JOURNAL 96 LS ENGINE PERFORMANCE BUYERS GUIDE Reference Guide To THE LS ENGINE FAMILY ALL LS ENGINES SHARE THE SAME ARCHITECTURE, A 90-DEGREE, PUSHROD V-8 WITH 4.400-INCH BORE CENTERS, THE DISTANCE BETWEEN THE CENTERS OF EACH CYLINDER – WHICH IS THE SAME AS THE ORIGINAL CHEVY SMALL BLOCK INTRODUCED IN 1955 LS1/LS6 (5.7L / 346 cu in) – Produced between the 1997 and 2004 model years in the United States and stretching into 2005 in other markets. The high-output LS6 was introduced in 2001 in the Corvette Z06 and was manufactured through 2005. LS2/L76/L77 (6.0L / 364 cu in) – In 2005, the LS2 and the Gen IV design changes debuted,with L76 and L77 versions following. This engine is one of the most adaptable in the LS family,as LS1, LS6, LS3 and L92/ L94 cylinder heads work well on it. T here are a variety of LS V8 engines that GM produced over the years for a variety of Chevrolet, Pontiac, Cadillac, and Corvette vehicles that they were initially used in. Here's a brief description of the various LS engines that were produced throughout the years.

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