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gary678* · 03-24-2023, 08:04 AM

I had the same problem of a slow speedometer and odometer- 5.4% slow and low. I fixed it by changing the speedo gear from a 19 tooth gear to an 18 tooth gear (less teeth=faster rotation). My unit is now "spot-on" as verified by radar and highway mileage markers. Worth a try. Good luck !

03-24-2023, 08:04 AM	#10
gary678* Senior Member Join Date: Dec 2016 Location: Middletown, NY Posts: 165	Re: speedometer rebuild I had the same problem of a slow speedometer and odometer- 5.4% slow and low. I fixed it by changing the speedo gear from a 19 tooth gear to an 18 tooth gear (less teeth=faster rotation). My unit is now "spot-on" as verified by radar and highway mileage markers. Worth a try. Good luck !