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#1
02-24-2020, 06:26 PM
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Speedometer Drive Gear
Hi Folks-
I need to find out the tooth count on the speedo drive gear in the TH350 trans in my car so that I can get a more appropriate driven gear (rear axle ratio and tire size have changed). What is the easiest way of finding the tooth count on the drive gear? Is it necessary to drop the driveshaft and the trans tailshaft to get that count? Thanks
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There is a very fine line between "hobby" and "mental illness." - Dave Barry It's not that I'm apathetic......I just don't give a damn....... |
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#2
02-24-2020, 10:53 PM
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You should be able to count it in the housing. Mark one tooth and spin the shaft, and count.
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1968 Firebird 400 RAII M21, 3.31 12 bolt, Mayfair Maize. 1977 Trans Am W72 400, TH350, 3.23 T Top Everyone you will ever meet knows something you don't. Bill Nye. |
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