Thanks to GPS satellites, ClassicInstruments' Sky Drive can turn your speedometer into the world's most accurate speedometer possible by updating 10 times per second! Plus, it can be a GPS enabled ...

Question: Why did so many muscle cars in the 1980’s have speedometer that maxed out at 85 mph? Answer: It wasn’t just muscle cars that had speedometers that could only go to 85 mph. Every vehicle ...

Can you rely on the speed that Google Maps or another online speedometer shows you? Here we will clarify doubts about the speed shown by mobile apps. The classic car speedometer measures the rotation ...

I can't be the only one who's had trouble hooking up a speedometer to a modern transmission—especially when a cable can't be used and an ECU converter or pulse ...