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Montemedic

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Posts posted by Montemedic

  1. Dave and Red, Congrats on your move and being closer to your family. I hope everything went smoothly for you. The Chevelle looks great and I'm glad your having fun. Enjoy all that life has to offer !!! CK

  2. Mike, I'm sorry hearing that story. It sounds like an incorrect gear or parts failure. Hopefully GM will stand behind their warranty. Let us know what it happens. It was a pleasure to meet you and your wife on Saturday. I spoke to Greg and he is anxiously waiting to get his part. I will get it to him ASAP.

  3. Unless your a mechanic and have experience rebuilding rear ends it pays to let a professional install your new gear set for the best results. It is money well spent.

  4. Are you sure the rear you are looking to purchase is an 8.5 ? The 70 GS came from the factory with an 8.2. The 71-72 came with an 8.5. The 8.5 is a stronger rearend. I discussed this with my neighbor who is a Buick fanatic and guru. He owns a 70 GS Stage 1, 4spd and swapped his factory 8.2 with a 3.64 posi to a 71, 8.5 rear with 4.10 and a Grand National posi unit. The GN posi is an Eaton style posi unit.

  5. 800 dollars is a fair price for what you are getting. The housing is the same and will bolt right in. 3:73 gears are a nice street gear if you are using the car for street and occasional track use. The axels are thicker and stronger than a Chevy 10 or 12 bolt. The weak link is the Auburn posi unit and cannot be rebuilt. If your purpose is mainly street driving with a lower HP engine, 450 or under. This should serve you very well. If it needs to rebuilt down the road, most rebuilders are installing a much heavier duty Grand National posi unit for racing use. It all depends on your needs and use will be.

  6. They are getting harder to find nowadays. Not many boneyards have them due to all the FWD cars manufactured today. Some of the high performance transmission builders are charging $250-300 for a core due to this.

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