Regal 7.5 posi upgrade

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vmans1969

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Apr 22, 2013
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Hello every body need to know if I purchased the right parts. I am building a 1984 regal limited, the rear end is original 7.5. The code on the rearend axle tube is 2AC CO61 2. I ordered a 7.5 7 5/8" 3.73 gears and 28 spline posi. The posi is supposed to be out of a S-10, Camaro, or Typhoon. I also brought axles for a GN 28 spline Jegs P/N 718-A102810. Does any body know if I went the right way in ordering these parts. Thanks for the help. Just getting started. Smitty
 
Yes, you did fine. I am assuming the posi is not the gov lock, probably a clutch type. The stock 7.5" spider gears are the first thing to explode. If you are abusing it, a girdle cover won't hurt. I would also suggest a solid pinion spacer, crush sleeves can be a pain to do right.
 
By the way, you can just slip a shim under the crush sleeve. The 7.5 with 28 spline axles will take regular abuse, even slicks at the drags without a cover/girdle, but, they do help.

That is going to be night and day difference, enjoy!
 
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