The engine idled between 18,000 and 22,000 rpm, and produced peak power (130 hp) at 36,000 rpm. According to Chrysler’s own Driver’s Guide, published to help testers come to grips with this ...

If you're looking for big, supercharged V8 power for your latest hot rod build, a crate engine like the LT4 might just be the perfect motor ... of the LT4 for around $18,000 but say it's on ...

He even gets his motor up to 12,500 rpm with his homebrewed drive circuit. Making your own motors can help you solve some difficult engineering challenges, like building motorized rollerblades.