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SPF Stab bar spring rates?
Anybody know the spring rate for the factory installed front superformance stabilizer bar.
Thanks |
Here are some links that may help with some relative guesses:
http://www.tsimportedautomotive.com/Swabarra.html http://www.1speedway.com/swaybar32.htm My SPF had a .79 front swaybar which is small but the effective length is only 19" and the arm length is short too, both of those make it a higher rate. The rear was .72 but it has a longer arm length and 28" effective length. I made 5 different size bars for my front and have 2 different Speedway 32" splined bars for the rear. I plan on testing rates by using a scale and a jack in the next 2 weeks. So far I've been doing seat-of-pants testing. The testing was complicated by a tight limited slip which caused pushing in tight turns. I just replaced that with a Torsen and now I can get a better feel to adjust swaybars. Are you about to make some changes to your car? I'll be glad to share the rate results. |
Some changes
Hi Mike. I Replaced the factory SPF rubber bushings at the front and rear with solid machined aluminum bushings at the frame and polyurethane at the links which supposedly has the same result as upgrading to a larger bar. Quoted from How to Make Your Car Handle. "An .080" bar with solid bushings gave the same effect as a 1.00" rubber mounted bar".
From www.bicknellracingproducts.com I'm going to replace the front bar with a 1 1/8" tubular splined bar with solid aluminum bushings and 3/4" broached aluminum arms and rod end links. In a spring rate of 150,200 or 300lbs? I still don't really have a base line and would be interested in your results as to the spring rates. |
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