Your car's engine needs a very specific diet of air and fuel to do its job, and it's the fuel pressure regulator's (FPR) job to feed it the right amount. The gadget is relatively tiny and can fit in ...

Self-learning electronic fuel injection (EFI) systems have made converting to fuel injection far less painful. This has removed complicated EFI tuning as an excuse not to convert. But a far less ...

Now that its easy and popular to swap an LS V-8 into an early-model Chevy, it's no longer acceptable for the engine to remain in a plain, stock condition. There are several ways to make serious ...