What do I have? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

05-21-2021, 10:33 PM

#21

MJN

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Join Date: Feb 2000

Location: Maquoketa, Ia/ Orr, Mn

Posts: 2,985

Re: What do I have?

Quote:

Originally Posted by Joe P

It has a 133 inch wheelbase, 8 lug 17.5 inch wheels, leaf springs and the Eaton HO52 Diff marked PL1212 which should be a Detroit Locker No Spin 5.14 ratio. For sure it's a No Spin, I took off the cover and now that the brakes are freed up I get the clicking typical to the locker.

That helps, the PL code was used in 1962, 63 and 64 C30 applications. 5.14 ratio positraction. 1212 is the month and day it was built, Dec 12.

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