Thread: Chevy 350 Trany Question on incorrect speed o meter reading?

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Thx All for the info. I do have VDO gauge's but I need to check out the thought from jdsaengine to see if mine has that feature.
Red 32

Originally Posted by Red 32

Thx All for the info. I do have VDO gauge's but I need to check out the thought from jdsaengine to see if mine has that feature.
Red 32

If you haven't calibrated the speedometer that's the first step for sure. Don't waste your time chasing other things until that's done. The VDO units seem to have some issues for some versions, but if you have the digital display model I think this may help - VDOCALIBRATION My AutoMeter unit is drop dead simple. Hope you find the same with your VDO.

This is my programmable VDO speedo, and the calibration instructions. Maybe it can help you