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08-04-2009 #1
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- Jul 2006
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Spring rate help for bilstein coilovers
I am planning on installing the chicane lm from ATS with bilstein coilovers. I need to know the proper spring rates to work with GW cat 5's out back. I have a 383 sbc with al. heads and intake as well as an aluminum radiator. It is a DD street car but I regularly autocross. Will 475 work or should I still go with the 550?
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08-04-2009 #2
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- Jul 2006
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So will the heads, intake, rad, and possibly CF hood offset the weight enough to go with the lighter spring? Or will the 550 be a better front to rear balance of spring rates with tthe cat 5's? Little help guys...
08-05-2009 #3
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- Feb 2005
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- Indianapolis, Indiana
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I would try asking Tyler at ATS. I am going to run a similiar set-up, except I have DSE springs in the rear. I am running a Pontiac 505,but he recommended 600lbs. for me.
Ben Mowery
67 Firebird -Powered by Pontiac w/ RAM AIR V.
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