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  • Posts

    • Bake82
      that's probably why!  Not surprised.  I've seen in the Fiero world of L67 swaps they run into the same issue with OEM axles vs aftermarket axles and mixing and matching to make the right length. 
    • mechanic58
      You might be right. The GTP did have new axle assemblies in it when I got it. They don’t have 100 miles on them.
    • Bake82
      Interesting!  I think it's like that because I am pretty sure the GTP axle is an aftermarket. I bet if it was OEM it would work.    I bet if you hit a JY and pulled a GTP pass side axle and if it looked like the lumina one it would work no issues.  but if you can just click and buy one, that's easier!  
    • mechanic58
      Here’s a pic of the two inner joints. These are the pass side inners, the Z34 4T60 inner is on the left, the GTP 4T65 HD is on the right. Although the 4T65 HD joint has a larger spline shaft, the Z34s inner has a larger od tulip.
    • mechanic58
      I’ll post pics later. The 93 Z34 inner joints are way bigger than the gtp axles. Kinda odd. But the Z34 4T60 did have a 3.69 final, could be why.
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