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Old 04-19-2007, 06:30 AM
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New spindles now steering problem

I just installed a new 2.5 drop spindle and disc setup on my 67 Nova. Problem is under full throttle my front end lifts and and my steering wheel jerks left to right until the weight settles back on the wheels. This was not a problem with the stock spindles. Could it be front end alignment? I didn't think that would change with the new spindles but am now wondering. Please advise.
Thank you,
Rick

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Old 04-19-2007, 10:50 AM
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could possibly be. I would recommend that you do get an alignment. Even though drop spindles are not supposed to change the geometry of the suspension, there's still usually a little difference when it comes to an alignment.
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Old 07-22-2015, 04:11 PM
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Alignment check at least to help get tech facts about what is going on up front.
Are the pitman arms in the exact same location as the stock spindles?
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Old 07-23-2015, 03:59 AM
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Tie rod angle

If the new spindles moved the location of the tie rod spindle connection , the new geometry is wrong. That is a common problem with lowering a 5.0 Mustang, and you can buy a spacer kit to corect it. might have to make your own parts
here;s what they do to a mustang
Steeda Bumpsteer Kit ('94-'04) - Installation Instructions | AmericanMuscle
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Old 07-23-2015, 08:25 AM
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Nice car. My first car in the seventies was a '67...

You may have a caster problem that was worsened by the additional angle of the chassis vs. the road surface with the front of the car now sitting lower. I'd bet yours is probably zero or even slightly negative now, especially on the right side and it gets really noticable when the chassis torques over, which is also worsened by likelihood those spindles place your wheels an inch or so outward from stock. On your light car w/ skinny tires, I would think caster should be about 4-5 degrees...unfortunately that's possibly beyond the adjustment range of the stock setup and the ends of the upper a-arms might have to be sliced off and re-welded back a little. Anyhow, three things: Get the toe-in correct...it very-likely changed with the new spindles and if it's toe'd out it's gonna be twitchy. Check that castor alignment out and get it over to the mentioned amount, it will really help drivability and control. Finally, as said by others confirm that the tie rods are parallel with the lower a-arm, using joint centerlines as the reference and not part shape, so that you know there isn't a bump-steer problem.

Chevy II's don't have a great front suspension/steering setup, but it will drive a lot better if you can get the caster increased, and then of-course have the other specs spot-on and even side-to-side.

Last edited by kso; 07-23-2015 at 08:33 AM.
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