Quote:
Originally Posted by cc-rider
The DS length has nothing to do with the zl1 diff you choose (Auto 3.23 vs manual 3.73). The diff is dimensionally exact for both of these diffs. It's the tranny end where the dimensions change. So you can take a manual trans and add either the 3.23 or 3.73 ZL1 diff and you still use the driveshaft made for the manual. If you have a auto trans, you need a zl1 auto driveshaft.
And as you said....and I'll put this in capital letters to emphasize the point and put it to bed once and for all...YOU CANNOT USE THE FRONT HALF OF A SS DRIVESHAFT WITH THE REAR HALF OF THE ZL1. THEY ARE DIFFERENT SIZES AND THE SPLINES DONT FIT. There is a lot of bad info out on the Internet on this, including here on this forum. The sad part is that it's people like the Driveshaftshop saying this. They should know better.
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Well I agree with what your saying, but there's 2 factors that are also in play, first I would like to use the zl1 shaft cause It is beefier, also the input shaft on the diff is an inch longer(extend an inch further forward) vs the SS diff, which throws things off a bit.