Drive gear in 86 700r4?
Thread Starter
Supreme Member
Joined: Jun 2001
Posts: 3,238
Likes: 4
From: Calgary, Alberta, Republic of Western Canada
Car: 1986 Sport Coupé
Engine: 305-4v
Transmission: 700R4 and TransGo2
Drive gear in 86 700r4?
I ordered a 41 tooth driven gear for the speedo cable in my 86 Sport Coupe. It was a 2.73 rear gear but I've put in 3.42s now.
I'm assuming that my tranny's drive gear is a 15 tooth unit. I haven't looked at it and my mechanic didn't verify what it was.
Does 15 tooth sound right?
I'm assuming that my tranny's drive gear is a 15 tooth unit. I haven't looked at it and my mechanic didn't verify what it was.
Does 15 tooth sound right?
Thread Starter
Supreme Member
Joined: Jun 2001
Posts: 3,238
Likes: 4
From: Calgary, Alberta, Republic of Western Canada
Car: 1986 Sport Coupé
Engine: 305-4v
Transmission: 700R4 and TransGo2
According the Apeiron's gear program I need a 46 or 47 tooth driven gear to go with my size tires and 17 tooth drive gear. Since GM doesn't make anything larger than a 45 tooth driven gear, that's what I'll have to use.
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