PY Online Forums - Bringing the Pontiac Hobby Together

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-   60 & Older Pontiac TECH (https://forums.maxperformanceinc.com/forums/forumdisplay.php?f=426)
-   -   3rd member (https://forums.maxperformanceinc.com/forums/showthread.php?t=847216)

badass350 01-03-2021 06:34 PM

3rd member
 
Does anybody know where to get a third member posi for a 1939 Pontiac

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PONTIAC LARRY 03-25-2021 08:50 AM

Quote:

Originally Posted by badass350 (Post 6211108)
Does anybody know where to get a third member posi for a 1939 Pontiac

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Pretty sure that doesn't exist. The first Posi (Safe T Track) was in late 50's on the bigger 9.3 57-64 Pont/Olds rear. You will need a whole different rear axle for that car to get one. Easier to build a GM 8.5 10 bolt , 8.8 Ford or old style 9" Ford , there maybe a 9" Ford housing somewhere for sale already the right size to fit.

694.1 03-25-2021 08:13 PM

Not the best forum for this...
No Posi carriers for that housing but a '57 Pontiac or a '57-58 Olds housing is basically a bolt in & would allow for a Posi. Or what Larry suggests. Let's see photos!
PM sent.

Bill Eveland 03-26-2021 11:51 AM

Thats the early style with 10 spline axles like up to 56, no posi available. Better off with a newer style rear end. 8.8 are cheap and come with posi and disc brakes, around here are $ 100


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