

This is an engine rebuilding and modification guide that includes sections on history, engine specs, disassembly, cylinder block and bottom end reconditioning, cylinder heads and valvetrain reconditioning, balancing, step by step engine reassembly, torque values, and OEM part numbers for the popular Chevy LS series of engines.
The LS generation of Chevy/GM engines has set new standards for engine performance in the enthusiast and racing worlds. Engine builder and writer Mike Mavrigian has written a complete handbook featuring a 625 HP buildup of an LS2 with part numbers, clearances, specifications, full assembly, and dyno test results.
The procedures and aftermarket performance parts selections in this example also apply to all LS engines, including the LS1, LS6, LS2, LS3 LS7 and LS9.
Other topics include:
Overview of LS Engines
OEM and aftermarket blocks
OEM and aftermarket cylinder heads
Bore and stroke combinations
Bottom-end prep
Cylinder head reconditioning and rebuilding
Step-by-step LS2 performance build
LS camshaft theory
FAST EFI upgrade