Fuel injectors can get gummed up with dirt and fuel residue over time. Photo credit: David Traver Adolphus / Autoguide.com. Over time and miles, your car might start to slow down. It might not ...

Over time and miles, your car might start to slow down. It might not accelerate as quickly as it once did; the engine may not ...

So your daily driver hot rod has an engine that runs good but looks like a horror-film reject. What do you do? Well, you could bolt the hood shut and drive the beast until it dies, or you could spend ...