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- - Rpo Codes And Rear Axles (https://67-72chevytrucks.com/vboard/showthread.php?t=211318)

coyote killer

09-20-2006 04:12 PM

Rpo Codes And Rear Axles

I am fixing to go salvage hunting for a 3.73 geared rear axle and hopefully find one with posi-trac. Where can I find the rpo codes so that I don't have to crawl underneath the truck to assertain the specifications of the rear axle.

Longhorn Man

09-20-2006 04:28 PM

Re: Rpo Codes And Rear Axles

in the glove box on the SPID label.
The problem is, most trucks didn't recieve optional gearing... inlines an d small blocks with 3 speed trannys are most likely to have the 3.73.
The posi would be listed in the glove box too.

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