Rear Axle I.D. Confusion
I was trying to pull the axle codes the other day, because I need to change the cover gasket. I have read about casting locations and couldn't find the code that is supposed to be on the passenger side of the rear axle. What gives? I was able to pull a couple of numbers off the axle. One was on the carrier itself, passenger side, facing towards the front and it read GM 30. The other number I found was on the driver's side axle tube, facing towards the front. Will these numbers tell me anything? I'm thinking that this rear axle isn't the original.
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Aaron
Ventura, Ca.
1972 GMC Super Custom SB350/TH400
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