LS based GM small-block engine has gas.
25:1 compression, Q-jet carburetor, oval port closed chamber heads, hydraulic lifters, nodular iron crankshaft, and two-bolt main caps
 Many were shared with other divisions, but each design is most closely associated with its own division:Buick V8 engineCadillac V8 engineChevrolet Small-Block engineGMC V8 engineOldsmobile V8 enginePontiac V8 engineHolden V8 engineGM later standardized on the later generations of the Chevrolet design:GM LT engineGeneration II small-blockGM LS engineGeneration III/IV small-blockList of GM enginesCompetitors' equivalent offerings:Chrysler B engine - wedgeChrysler Hemi engine - hemiFord 385 engine - big blockFord FE engine - medium blockAMC V8 engine - medium block== Footnotes ==== Citations ==== Further reading ==Peter C Sessler (1999)

