I am in the process of getting a prototype set of upper control arms for my p10 that are made of Chromoly with urethane bushings and are able to adjust front camber by approx +2*'s and caster (not sure on the amnt yet). These are going to be very high quality pieces and will cost somewhere in the $200's depending on the number of people that are interested.
If some of you aren't familiar with this when you lower the G20 the camber is really screwed up in the front and you eat up your tires extremely fast. Stock upper control arms do not allow for any camber adjustment but with these new chromoly pieces you will be able to correct that with a simple turning of a bolt.
Right now the only option for G20's is the Superpro kit which IMO is very poor quality and a major pain in the ass to adjust. These new units will replace the upper Superpro's completely and be similar to the z32 front camber arms. If you search for the Z32 ones on ebay you will notice that they go for $325-$400.
Update**
Most likely my connection is going to be using Delrin instead of urethane to help the stability and the caster adjust as well as come equipped with grease fittings so you can keep the bushings lubed.
Also the tubing is normalized and the filler is a ER70S-2 compliant filler. Preheating and controlled cooling regularly produce a 90,000psi weld in 4130.
The nascar boys are mandated to use 4130 for the cages and they never do post-heat treatment. When they tried the cars twisted and 1600F ovens the size of a car are hard to find. So if nascar can weld 4130 without post-heat treatment then i think it is safe for a G20
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I am also interested in how much negative camber would be needed for those of you that aren't interested in the positive camber? I was thinking something around +/- 2 deg. If there is a request for - only I can have a few made if you are willing to give me a deposit for half up front so that I know I am not out my time and money if someone backs down.
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Time Frame:: 1-2 months out
Number of people needed:: 10-15
If you are seriously interested please post your Screenname and the number of sets you are interested in.
As I get more information I will post it up to keep everyone informed.
