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Thread: 3 link question

  1. #1
    Senior Member
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    3 link question

    Guys
    Do you need to check for "crabbing" or "dogwalking" when installing a 3 link
    My kit came with the cast aluminum non adjustable lower rear control arms.

    Just center the axel and get the correct angle set on the drive shaft pick up-correct?
    Thanks
    Martin

  2. #2
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    You’ve got it. Just set ride height and pinion angle. I’d suggest checking the toe on your rear end. I was basically done and went to align the car, when I ran strings I found my rear wheels were towed out almost 1/4”, I took the rear end out and had it straightened at a shop that does that sort of thing (race car enthusiasts).

  3. #3

    Steve >> aka: GoDadGo
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    Also, please make sure you check your pinion angle.
    It needs to be 1-2 degrees down compared to your drive-line.

  4. #4
    Senior Member rich grsc's Avatar
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    Quote Originally Posted by GoDadGo View Post
    Also, please make sure you check your pinion angle.
    It needs to be 1-2 degrees down compared to your drive-line.
    Thats not exactly true. If the centerline through the engine and transmission is angled down then the pinion would be up. The two center lines need to be parallel.

  5. #5

    Steve >> aka: GoDadGo
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    Quote Originally Posted by rich grsc View Post
    Thats not exactly true. If the centerline through the engine and transmission is angled down then the pinion would be up. The two center lines need to be parallel.
    Excellent Point Rich!
    .Sorry, but my post was way too minimal.
    .The link below is a more in depth thread:

    https://thefactoryfiveforum.com/show...=joint+phasing
    Last edited by GoDadGo; 09-12-2018 at 09:37 AM.

  6. #6
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    Go download the tremec app, it uses your phones internal level to measure a few different spots and tell you if your pinion angle is at the correct angle compared to your engine and driveshaft.
    Ryan
    33 Hot Rod
    350 SBC with TKO 500, 3 link rear

  7. #7
    Senior Member Avalanche325's Avatar
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    At ride height, adjust center and pinion angle.
    Toe would only be needed if you have a damaged housing. But, if it is not new, worth a check.

  8. #8
    Senior Member CraigS's Avatar
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    The common 2 deg down is used so that under accel, when things flex, it will move to zero. Using rod ends for all the links may make it unnecessary.
    FFR MkII, 408W, Tremec TKO 500, 2015 IRS, DA QA1s, Forte front bar, APE hardtop.

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