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.
