389 differential

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corvair500
Posts: 225
Joined: Sat Oct 13, 2018 3:09 am
Location: Virginia

389 differential

Post by corvair500 »

What was the 389 used in ? FC ? I have one for 1964 but I think I would not want it in my car . May be good for drag racing !

joelsplace
Posts: 1154
Joined: Wed Oct 13, 2010 12:51 pm
Location: Northlake, TX

Re: 389 differential

Post by joelsplace »

Yes FCs used them. Not only were they heavier and less aerodynamic they came with taller tires that offset the gear ratio some. I've never calculated how much.
113 Corvairs, 5 Ultravans and counting
Northlake, TX

Wagon Master
Posts: 351
Joined: Thu Jul 28, 2011 6:36 pm

Re: 389 differential

Post by Wagon Master »

I had one in my 64 coupe with a 140 4bbl. 4-speed. Loved that car!

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