Building and tuning a hot rod is a process that involves chasing down and correcting "weak links" in the performance chain. On the mechanical side, a hot rod is a collection of systems that work ...

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 ...

Maintaining correct tyre pressure is a simple yet effective way to improve fuel efficiency. Under-inflated tyres increase resistance, forcing the engine to consume more fuel. Regular checks, ...