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> > hey out there! > i have a question, is it worth it to convert my 10 bolt into a posi unit, > then eventually buy new ring/pinion, or should i just search for > a used 12 > bolt or ?? Depends on what you're planning on doing with the car. Remember, GM usually put the 10-bolt behind lower horsepower cars (<300) and 12-bolts behind higher horsepower cars. > are all 12 bolts posi?? No > are the 12 bolt posi rebuildable?? Sure > which would be the cheaper/stronger venture?? Contradiction in terms :*) The 12-bolt is going to be stronger and, depending on where you find one will determine cost. > are buicks, olds, pontiac a-body rears all the same (bolt into the car) Not even all Chevelle rears are the same - see http://www.dalesplace.com/htm/information/axlecodes.htm. Not certain, but I would guess they would be the same respective to their years since they shared a common chassis design. Dale McIntosh ACES #1709/TC #92 Gold 67 SS/67 Elky http://www.dalesplace.com http://www.team67.com http://www.midwestchevelles.com ----------------------------------------------------- To Unsubscribe please visit www.chevelles.net/list.html To start a new topic, send mail to: [EMAIL PROTECTED]

