Our Test Mule A small-block Chevy seemed the perfect engine for this oil flogging, so Westech assembled a great test engine that started out as a Dart Special High Performance (SHP) 372ci iron ...

The first part of building a pump-gas engine is to have a reasonable compression ratio. The Big Dawg 434 rumbles along with 10.95:1 compression courtesy of Wiseco forged pistons, built to SSRE specs.

The oil pump is on the front of the block, and the oil filter is near the rear of the engine. All Gen III engines are designed to be used with GM’s AC Delco motor oil; the LS6 5.7L uses 5W30.

Oil-cooled engines are similar to air-cooled engines, as they still retain the cooling fins to channel air, however, they do get a small oil-cooler mounted externally that helps passing air cool ...