speeo gear ?

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J

JohnRod

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Rod
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1976
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2500 Suburban
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350
if the dash speedo is slow, by about 8-10 mph...do I add or subtract teeth to the driven gear?
thanks Rod in AZ
 
fast 99

fast 99

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subtract

think about it this way, a larger drive pully will spin a smaller pulley faster.
 
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