1dkm4me
Veteran Member
Those S spring style diff's are not very tight. They can act like an open rear axle. I remember Trans Am's always having a rear axles that were always having issues with popping around corners because they were too tight.
ctchap70 said:Was outside looking at car and decided to see what rear end was in it. It has a posi-trac with 3.08 gears. I was wondering because I read on here that some 81 z's came with open diff. Seems to be in good shape no metal chips or metal in housing. CC
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