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gm 8.5

  1. FINAL THOUGHTS ON REAR END

    Transmission - Rearend
    Hey fellas! So apparently i've done the impossible and tracked myself down an 8.5 rear end from a 71 skylark for my 70 Buick Skylark! With the bolt in axles! Needless to say I'm overjoyed at my find, but I just wanted to get some clarity: How much horsepower will this hold? A regular 8.5 is...
  2. Need differential measurements

    Transmission - Rearend
    Hey guys! I'm going to a swap meet tomorrow and I'm looking to upgrade my 1970 Skylarks rear end from an 8.2 to an 8.5. I can already distinguish between an 8.2, 7.5, and 8.5 no problem. Here are things I need to know: what will bolt right in? what car would they come from? (I know BOP axles...
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