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Odd steering issue

Discussion in 'Wrangler YJ (1986-1995)' started by Jeepdood, Sep 13, 2018.

  1. Sep 13, 2018 at 4:58 AM
    #1
    Jeepdood

    Jeepdood [OP] Active Member

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    Ok guys. Help needed
    Odd issue going on. Put 6* shims to adj castor. Prob solved. NOW i noticed while driving, all seems well.
    Going down the road i can push gas pedal and jeep very slightly tries to go left......after comp for left pull i can take foot off gas pedal and slightly seems to go to the right
    Im a bit miffed here......
    Ideas guys ????
     
  2. Sep 13, 2018 at 6:15 AM
    #2
    OFFGRID

    OFFGRID Well-Known Member

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    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    I am guesssing, but it sounds like torque steer from the rear end.
     
  3. Sep 13, 2018 at 7:20 AM
    #3
    Jeepdood

    Jeepdood [OP] Active Member

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    Please explain ???
     
  4. Sep 13, 2018 at 6:56 PM
    #4
    OFFGRID

    OFFGRID Well-Known Member

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    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    Torque steer. Jeeps have open differentials, meaning that only one tire spins at a time. So, if you punch the gas and hold it the one back tire that is spinning has enough torque to turn the jeep. So if the right tire is spinning then it will torque left. When you let off the gas it will over compensate to the right. Try putting it in 4WD and see if you still have the same issue. When in 4WD usually the opposite tire in the front will. Back right and front left and visa versa.
     
  5. Sep 13, 2018 at 7:01 PM
    #5
    OFFGRID

    OFFGRID Well-Known Member

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    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    One question. If you are at cruising speed whether 35 or 65mph does it drive straight?
     
  6. Sep 13, 2018 at 7:40 PM
    #6
    Jeepdood

    Jeepdood [OP] Active Member

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    It seems to drive straight
     
  7. Sep 13, 2018 at 7:42 PM
    #7
    Jeepdood

    Jeepdood [OP] Active Member

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    As far as 4wd. I cant drive everywhete like that.
    I had 2 other jeeps .A 93 and 98. Never had that issue.

    Now question is, what can be done about it ?
     
  8. Sep 14, 2018 at 5:43 PM
    #8
    OFFGRID

    OFFGRID Well-Known Member

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    1979 Jeep CJ7, 258, TH350, NP208
    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    I agree that you can't drive everywhere in 4WD. I am just trying to narrow down your issue. I believe the 94 is the first year of the HO motor at 180HP, and a lot also depends on the gearing as to how much torque is being transferred. The 98 has even more HP, but the whole suspension was redesigned. For me the rest is subjective data based on what you feel when driving. It is hard to diagnose issues like this when not actually there. Installing a locker would force both tires to turn at the same rate of speed eliminating the torque steer. Spartan lockers are easy to install, work great, and there is no need to set the gears like when installing a Detroit, but I do prefer Detroit lockers in my own vehicles.

    You say it drives straight when cruising so your alignment is good. Did you have this issue before you put the 6* shims in? Do you know where your axle sits as far as degrees? The CJ and YJ like it best sitting at a -6*, or rotated back 6*.

    D946314D-E99B-44EB-BA45-CAA140405DFD_zps_d28b289d3a4f59bf2f058944f125d6b072d4ef69.jpg
     
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