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#1 |
Senior Member
![]() Join Date: Jul 2000
Location: North Texas
Posts: 3,490
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66 C-10 rear axle ID
On many passenger car rear ends, there's a code stamped on the front of the passenger side axle tube. It indicates, year, gear ratio, posi, etc. However, I don't see stampings on the 66 C-10 12-bolt I'm working on. Any idea where to look?
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Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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#2 |
Registered User
Join Date: Aug 2008
Location: Spring tx
Posts: 10
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Re: 66 C-10 rear axle ID
Look on top of the axle tube on the passsenger side. You may have to use some type of abrasive to find it. If it had a six cylinder and a three speed there is a good possibility that it is a 3.73 gear ratio.
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