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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#57159 03/01/2006 4:00 PM | Joined: Jul 2005 Posts: 2,031 Shop Shark | | Shop Shark Joined: Jul 2005 Posts: 2,031 | WB.R is correct but the number may also be located on the side (face) of the ring as some were stamped on the edge and side. J - 08 means that the rear end was made in October of a year ending in 8, like 68, 78, 88. Which means it's a 69, 79, or 89 model year. If the ring gear thread is left hand it's probably an 8.5. the cover shape may also help but I can't remember what's what. You can find that on the link. location of stamped info is shown - see: http://www.drivetrain.com/gm8.5.html http://www.drivetrain.com/GMtrkratio_posidata.html hope this helps
Jim & Caroline
The highway is for gamblers, better use your good sense."
Gooday-that's my 1¢ answer due to the lousy economy ~ cause I ain't got - no . mo . doe
Every Shaver | Now Can Snore | Six More Minutes | Than Before ... | Half A Pound for Half a Dollar | Spread On Thin | Above the Collar || BURMA-SHAVE
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