Factory 2.73 posi?

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pagrunt

Geezer
Sep 14, 2014
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Elderton, Pa
Yep, that was the "performance" ratio for most cars so they are out there. Alot of V6 Malibu wagons & El Caminos would of had them too. Could be the same for the BOP wagons.
 

pagrunt

Geezer
Sep 14, 2014
9,127
15,257
113
Elderton, Pa
The SS had 3.42 first then the 3.73, GN's not 100% but should(?) used no higher than the 3.42. GN guys will correct if I'm wrong. Like I said it was an option across all four divisions.
 

Jame

Not-quite-so-new-guy
Oct 9, 2018
41
1
8
I have the factory build sheet for my 79 malibu 4 speed. It came with a 2.73 posi. So glad it has 3.42 now. Any way yes factory g bodys could be had with posi 2.73.
 

spidereyes455

G-Body Guru
Mar 6, 2013
776
1,614
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Northeastern PA
Yup, any ratio available was also available as a posi. I've even seen cars that had a 2.14 posi from the factory.
 
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