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Old 09-06-2023, 06:30 AM
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GM used several different Jack suppliers through the large 60’s and 70’s. I just did some research to get a correct Jack for my 68 Z28, Los car with a 4-68 build. Cars assembled at the Los plant mostly got square shaft jacks made by Walker Manufacturing. Norwood cars got trapezoid shafts like the one your base has. There is a third shaft, a cast iron with a T shaped shaft. I believe the U stands for Universal Manufacturing. The bases could be used accross all car lines with the length and hook being the difference.
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1971 W30 convert, triple green,second owner.
1971 W30 Convert, special order Rally red, under resto.
68 Charger R/T, Bullitt Replica
68 Camaro Z28,Corvette Bronze,Houndstooth
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