A dyno test showed dangerously low oil levels can produce a 10 percent horsepower bump in an LS V8—for one run, at least. It’s Sunday, Sunday, Sunday, and do I have an offer for you! No, it’s not ...

Iron 5.7L LS1 budget engine dyno run - Fast 92mm Intake We took the rotating guts from an LS1 engine and stuffed them into a bored out 5.3L block for a budget engine that put out over 450 horsepower ...

Testing. It’s the backbone of hot rodding, and it’s how we separate facts from fiction. It’s also where we generate even more questions, which often results in, you guessed it, more testing. The ...

Whether it's from a desire to maintain a traditional underhood appearance or an aversion to the perceived expense and complexity of dealing with a modified electronic engine management system, there ...