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View Full Version : Gears and speedo correct for bigger tires . . .



MajMike
12-13-2014, 13:32
Just wondering if anyone has or knows of a good reference chart for gears/rpm's at speed that works for diesels, most I've seen seem to be for gassers.

Also, how easy/hard is it to correct the speedo for bigger tires? I think mine came with 28"ers and I'm at 31's going to 33's. Want speedo to be correct for calculating mileage. Thx Mike

AKMark
12-15-2014, 14:45
This one allows you to change the RPM's to what you want and play with it a bit and try a lot of options.

http://www.grimmjeeper.com/gears.html


Here's the place to look for the parts to fix your speedometer.
http://www.transmissioncenter.net/speedometer_calibration_______va.htm?gclid=COX6w6L lv5kCFSEgDQod4CZ1uw#400

MajMike
12-16-2014, 11:59
Thanks friend.