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LS Throttle Body Guide

Since the introduction of the LS engine in 1997 there have been several variations of throttle bodies. They have ranged from the original cable driven, three bolt 78mm, all the way up the 90mm, electronically controlled four bolt found on the LS3. Depending on your application a larger throttle body can provide some additional power. …

LS Valve Cover Upgrade

One of the most effective ways to upgrade the look of an LS engine is to change the valve covers. The OE valve covers are made from cast aluminum and have a rough, unfinished look that is not very appealing. The ignition coils are mounted to a bracket or directly to the valve covers depending …

LS Timing and Rear Cover Alignment

The LS engine uses front timing cover and rear main seal cover made from cast aluminum. Each has a seal pressed in to keep the oil on the crankshaft from leaking out. Between each cover and the engine block are seals made from stamped aluminum impregnated with a rubber seal. Aligning these covers is critical …

A Look into LS Cylinder Heads

There are a wide variety of OE, original equipment GM LS cylinder heads that flow excellent numbers and perform right from the production line. Depending on the application, the L92/LS3/LS7 cylinder head can support well over 1000+ horsepower. Take these heads and have them Custom CNC ported by a company like West Coast Cylinder Heads …

LSA Supercharger Issues

GM has identified a problem on the 6.2L Supercharged LSA Engine found in the Camaro ZL1 and Cadillac CTS-V. Reports show that a rattle may develop from a bearing on the main input shaft. The grease in the shaft bearing may become contaminated causing the bearing to overheat and fail. Leading up to this owners …