We've landed at the Holley LS Fest ... from oil pans, headers, motor mounts, exhaust, accessory drives, carb conversions, ignition controllers, harnesses, and engine management systems.

The crank sensor on all LS engines is located on the rear side just above the oil pan and behind the starter ... Any sort of EFI system will require at least one O2 bung on your exhaust.

However, on-track beat-downs don’t qualify as most situations, and in racing environments, an oiling system that sucks ... Gen I small-block, LS-series engines direct oil to the cylinder heads ...

All the LS-7s carry the XCH suffix stamped on the block and you can see this one in the gallery ... of Driven 15-50 oil, and due to the compression ratio, the Aeromotive fuel system's tank ...