Upper A arm geometry - Team Camaro Tech
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post #1 of 4 (permalink) Old Oct 30th, 13, 11:08 PM Thread Starter
Josh
 
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Upper A arm geometry

Heard a little rumor of guys actually re drilling the 2 holes that mount your upper a arm to the frame in different locations other than stock. Is this true or childish nonsense? I can see how re drilling your front bolt hole lower than stock to decrease the caster angle or increase it by drilling the back bolt hole lower. OR drill both of them lower to increase camber upon bump. But im sure thats gotta effect bump steer and your Ackermann angle.

Maybe a wise guy can help me figure this out

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post #2 of 4 (permalink) Old Oct 30th, 13, 11:21 PM
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Larry
 
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Re: Upper A arm geometry

It is called the Guldstrand Mod and it is a little more involved. Check this out on David Pozzi's site: http://www.pozziracing.com/first_gen...sion_geome.htm

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post #3 of 4 (permalink) Old Oct 31st, 13, 04:21 AM
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Guess
 
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Re: Upper A arm geometry

Here's another: http://www.pro-touring.com/threads/8...Guldstrand-Mod

Do a forum search here and you'll find hundreds of threads on the Guldstrand Mod. Lots of folks have done it, but there are other ways of achieving the same results nowadays.

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post #4 of 4 (permalink) Old Oct 31st, 13, 12:52 PM Thread Starter
Josh
 
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Re: Upper A arm geometry

Thanks guys, I found the answer I needed

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