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Driveshaft Questions, 4l60 to 80...

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Old Aug 29, 2011 | 02:43 PM
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Default Driveshaft Questions, 4l60 to 80...

Ok I've got an 03 SSS that I'm converting to 4l80. I've got everything done now except the final step, driveshafts. From what I've been told, which I'm not convinced so that's why I'm asking, is that the front driveshaft will still work, and the rear has to be shortened a certain amount.

Does anyone know for sure if the front driveshaft will still work in my truck, and if the rear needs to be shortened... if so then how much does it need to be shortened? I read KC's thread, but it's on a normal 4x4 truck, I know mine is a hair different...

Just give me a few ideas please.. thanks!
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Old Aug 30, 2011 | 10:00 AM
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for some reason my problem threads never get any attention or answers lol..
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Old Aug 30, 2011 | 10:25 AM
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I would help you if I knew the answer
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Old Aug 30, 2011 | 11:23 AM
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Do u have everything installed but the ds's? You take the measurements from your own truck.
I just had both of mine resized last week.
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Old Aug 30, 2011 | 11:30 AM
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Measuring is the best way, but 1 11/16 is the common amount to shorten. The front will fit but wont e fully engaged into the tcase...have it lengthen the same amount if you plan on using it with a lot of power.
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Old Sep 1, 2011 | 05:11 PM
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Okay i was just wondering if there was a standard because I don't have the tranny yet and when I go to put it in i'd like to get it all done in one wack.. but if not then i'll just have to wait till i get a tranny in then.
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Old Sep 1, 2011 | 05:22 PM
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On MINE...I didn't have to shorten either DS.
Just had to p/u a new slip yoke.
Didn't have to trim it either.

Part # for yoke is in this thread:
https://www.performancetrucks.net/fo...e-swap-425232/

Good luck!

Last edited by Superado; Sep 1, 2011 at 05:39 PM.
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Old Sep 1, 2011 | 06:08 PM
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your 2wd^^^

Im gonna get a factory front driveshaft and trim mine to what atomic said. I eyeballed mine at 2 inches, but im assuming that measurment will be better, or close enough.
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Old Sep 1, 2011 | 06:12 PM
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Originally Posted by charcold-bowtie
your 2wd^^^
*you're

I didn't catch that he was AWD.
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Old Sep 1, 2011 | 07:39 PM
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lol, smartass.
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