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Thread: 4/4 or 4/5

  1. #1
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    4/4 or 4/5

    I have a 1990 s15 looking to do either a 4/4 or a 4/5 drop and wanted to know if I would have to notch the frame with either drop.

  2. #2
    Doesnt look like this supernova's Avatar
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    May 2002
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    you dont have too, but the ride will be 100xs better. For either drop trimming the bumpstops down a hair wouldn't hurt either. But you dont have to do that either, but a little bolt in notch is cheap and easy to install and will give a more factory quality ride

  3. #3
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    One last question. I am going to go with a 4/5 drop and wanted to know if I will need my driveshaft shortend.

  4. #4
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    Arlington, TX
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    no

  5. #5
    Doesnt look like this supernova's Avatar
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    it depends, its different on alot of trucks. but id HIGHLY suggest you dont assume its fine, and make sure you check it once back on the ground. JTR sells some setback plates that work great to center the rear end and keep you from needing to shorten the shaft

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