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Thread: Front spring verus ride height on a G body.

  1. #1
    Senior Member DYNO OPERATOR
    Join Date
    Jan 2004
    central Illinois

    Front spring verus ride height on a G body.

    After upgrading to aftermarket tubular upper and lower A arms on my 1980 Malibu G body BBC bracket car, I discovered I had a ride height issue.

    With the OEM A arms, the lower bump stops were holding up the front end. The new tube A arms don't have bump stops. When the car comes down from a wheel stand it lets the tires touch the plastic inner fender wells, and thats not good. I have installed clamp on bump stops, but really the front springs are the issue.

    Also the front end is so low I can't get the alignment correct. I want 3.5 degrees caster on the drivers side and 4.0 on the passenger. With all the shims pulled from the upper front bolt I can't get more than 2 on the driver and 3 on the passenger. Higher ride height should correct this?

    It had unknown springs so I took the front end weight with me in the car, 1650# and used the Moroso chart to order 47205 springs. They are rated at 242#/in. for 1650-1750 # front end rate
    Well, when I removed the old springs I saw they looked pretty much the same as the new ones except they had 1/2 coil cut off them. The new ones set at the same ride height, too low.

    So now there is 1 Moroso spring heavier, 47135 rated at 250#/in. and for 1750-1850 front end weight.

    Anyone have experience with this situation or know of a better spring for the application?

  2. Racing Junk

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