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: OK... what do I have? Is it good? mnchief 05-23-2005, 08:11 PM Build sheet on my 1986 El Camino says itis a 308, performance axel, limited slip. Is there a history to this set up? Is it know to be good or #@%? It is attached to a 305 and an automatic. Thanks Elcaminoss31316 05-23-2005, 08:24 PM If it still works, use it.. I don't believe the posi part is rebuildable, to the best of my knowledge. 7.5" or 7.625" ring gear isn't desireable in the performance world but behind a 305 you'll be just fine.. If you goto a 350 etc.. later you may want to consider upgrading to a beefier rear axle.. I ended up using a 72' A-body 8.2 rear and haven't had a problem with 430hp.. In 7 years of driving like I stole it! Although, I have broken 3 of the stock 7.5's! Be on the look out for a 8.5 10 bolt from a Buick GNX (Grand National) or the 80's Olds 442's! Hard to find.. also hard to break.. and they are a direct bolt in since they are from the g-body platform... Bottom line.. If you leave the motor stock and don't drive the car like your runnin' from law, you'll be fine :wink: Tazz 05-24-2005, 06:31 AM are just fine...I ran them behind a 283sbc in an old 53 PU truck and they were just fine around town and on the road!! Tazz | ||