Marlan, I am hoping you can help me. I'm running a TH350 tranny in my 1955 Chevy. It has a stock 3.55:1 rear gear, the plastic drive gear has 20 teeth, and I'm running 15-inch tires. The speedo has ...

Just how the heck do I calibrate the speedometer on my bike? I installed it myself, set the computer for my wheel size, and cycled...I noticed that it detected the distance to my work as slightly ...

Auto Meter's 170 series speedometer is available in three mph ranges: 120, 160 and 200 mph. These electric meters feature a built-in calibration screw, permitting easy adjustment of the needle. This ...

Your car once had a rock-steady speedometer needle, but now it’s wandering a bit — or a lot. Maybe it’s not indicating any speed or it’s showing 60 mph and you know that can’t be right. “An easy way ...

So recently, I replaced my 2006 Honda S2000 with a 2007 Honda S2000. My new S2K did not come with stock rubber, and the rear tires are 5% larger than stock. The rear stock tires are 245/40ZR17, and ...

Your car once had a rock-steady speedometer needle, but now it’s wandering a bit — or a lot. Maybe it’s not indicating any speed or it’s showing 60 mph and you know that can’t be right. “An easy way ...