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Old 07-19-2005, 10:53 PM
Alex Evonosky Alex Evonosky is offline
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Join Date: Jun 2001
Location: Atlanta, ga
Cobra Make, Engine: Building from scratch
Posts: 141
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Default Upper Control Arm Measurements For Al

Al,
Almost missed your PS question attached to the other post.
So many different threads, just don't have time. Also shop Compooter still out. Have to get another one to be able to keep up here..

To answer your question concerning the measurement from my bottom ball joint center to the pivot center is 13".
My top measures 9 1/2".
VERY IMPORTANT, Just remember when you layout your front you need to make sure all your inner pivot points line up. That is what determines your top position.
When welding your bottom brackets, don't forget to calculate your ride height.
Temp tack weld your R &P. Don't forget to set your rack back about 1/2'' behind your tie rod ends.
Get the R & P dead nuts centered. (steering side to side)
Remove the rubber dust boots.
I used a laser with rotatable (red line) to line up the bottom control arm pivot piont, rack pivot point, this determined my upper connection point distance.
I also designed the upper control inner connection points to be about 10 degrees lower than the ball joint. (this always works well with independents.
Also, only have about 6 degrees of anti dive built in. Not 8.
The above worked out very well (still on the jig) with bump. very very little. Once completed that little bit can be adjusted out with a small shims at the rod ends.

Thank you,
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