"It's not a heap, dad. It's a classic." That's harder to justify when your classic muscle car won't start. Nothing like a high-compression V8 combined with a battery that hasn't seen a charge for a ...

At 7,000 rpm, a spark plug ignites the air/fuel mixture nearly 60 times per second. Any one of those 60 sparks going amiss can at best be mildly annoying, and at worst cost you a race or an engine.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. I’ve always thought it would be funny to build scale-size ...

Dirty or fouled condenser coils are one of the most frequent service problems in the commercial refrigeration and air conditioning fields today. If a condenser coil is dirty or fouled, its ability to ...