If the cylinder heads are on the engine, you will need to add air pressure to the cylinder to hold the valves in place. Our example is the Craftsman 47089 compression test kit using the 14mm long ...

Car magazines are full of 1,000-horsepower LS engine stories teeming with superchargers, turbochargers, intercoolers, massive loads of nitrous, race gas, and all sorts of glamorous equipment. While ...

We could’ve titled this story “lipsticking the pig” but the LS series of engines from Chevrolet are certainly not pigs in terms of performance. But, in regards to looks they can’t hold a candle to ...