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72SB · 06-01-2022, 05:30 PM

^^, good info

I have the BF Goodrich Advantage, not All terrain. It is spec at 28.9" diameter though

What I don't get is why the 20 tooth won't work with the large 1.76 drive gear. Its a GM part, not repop gear. GM # 3987920

Maybe the 20 doesn't work with a 8 tooth, if that is what the Saginaw 3 speed has, drive gear and needs the 9 tooth??

06-01-2022, 05:30 PM	#8
72SB Registered User Join Date: Apr 2022 Location: Moorpark, CA Posts: 701	Re: Saginaw 3 speed Speedo Drive Gear? ^^, good info I have the BF Goodrich Advantage, not All terrain. It is spec at 28.9" diameter though What I don't get is why the 20 tooth won't work with the large 1.76 drive gear. Its a GM part, not repop gear. GM # 3987920 Maybe the 20 doesn't work with a 8 tooth, if that is what the Saginaw 3 speed has, drive gear and needs the 9 tooth??