Correct speedo reading with transmission change

3 months ago

I put an 86 Impala motor and transmission in my 56 Belair. What is the best way to get the speedometer to show the correct speed?

3 months ago

Changing drive and driven gears in the tailshaft off the 700R4 to match the gear ratio or the rear end and the tire diameter is what is involved. Use this calculator for the gears to purchase.…docalc.shtml

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