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Old 01-14-2008, 10:05 AM   #19
SCOTI
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Join Date: Apr 2001
Location: DALLAS,TX
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Re: Trailing Arms vs 4 Link

Quote:
Originally Posted by Oldironracing View Post
I have seen some on hear that is made out of tubing. Cant find them again to see what there making them out of. I think I'm going to use coil overs that are adjustably. I have some coil over springs left over from running the race car that I can use. Just don,t know what rate to start with (350lb or 375lb)??
Coil-overs work well too but air bags shouldn't be dismissed as they offer easy tunability just by adding some air pressure. Once upon a time when I had CO's on my 67, I remember the spring rate being much lower (175~200#). I can't say if that was optimum since the truck only made it around the driveway several times before coming back apart for a frame off. I'm sure some others will chime in about optimum rates or you could try the race section in the engine/drivetrain forum.
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