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Hello, i was wondering if anybody knew what to do/how to fix my speedometer. It says i am going 30 when i am really going 40, basicly 10 under what im really going. Does anyone know how to fix this, or a part i need to get or something?
Thanks
(64 ford f100 2wd, 292 v8, custom cab, manual 3 on the tree)
tx64 Welcome to FTE Your problem sounds like the rear gear has been changed and now the measuring tool, the speedo is fooled. We have no way to know for sure.
I used to collect speedo gears from off the ground when I went yarding. My first guess is that the rear has changed by .50 like 3.00 to 3.50.
you need to get a new gear. it goes on the end of the speedo cable that goes into the trans. i think napa still sells them. but the junkyard is the best way to go.
The last time I changed a gear in one of my trucks, I went to the local dealer parts guy, old time guy that knows Fords, gave him the rear gear ratio and the tire size and he gave me a gear. Checked out speed with police radar, working good.