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-   -   Rear springs (http://www.clubcobra.com/forums/antique-collectibles/98325-rear-springs.html)

rdc767 07-15-2009 04:02 PM
Rear springs
 
I think I am bottoming out my rear springs on dips in the road. I found this post using the search function.

Quote:
A&C is a great kit. You are limited with the rear end and can only have a solid live axle. I would suggest getting the pan-hard bar option. My set up has it and it makes a world of difference under hard cornering. I would also up the rear spring rate to 350 lb coils instead of the stock 250 lb units. You will bottom the rear coils if you go with ant setting lower than suggested by A&C. I was able to get a nice ride and a nice low stance with the higher rate. The front springs are fine and did not need replacement.
Where can I get a 350Lb replacement coil springs?
Ron

eddytheb 07-15-2009 05:28 PM
I am sure if you call Joe from A & C he will be able to help you with a different set of springs.

Stop by and see what we are working on @ www.eddytheb.com

SF_SN888KE 07-15-2009 06:09 PM
You can get springs at Summit, Jegs, Speedway Motors, Aldan Eagle ... Assume you are looking for coilover springs - Hypercoil, QA1, etc. eBay also works.
http://www.speedwaymotors.com
http://www.summitracing.com
http://www.jegs.com
You should know the inside diameter, 2", 2-1/4" or 2-1/2" and length, 8", 9", 10" ...

Try the zip tie on the shock shaft and see how far it moves during the bumps and see if it really bottoms out ...

Springs are cheap, but your ride might become harsh.
There are other threads on this site with shock/spring calculations ... if you know corner weights, angles, etc. try this site. Good background information.
http://www.swayaway.com/TechRoom.php

rdc767 07-16-2009 10:56 PM
Yes a closer look and I can see the wear on the shock strut and I was bottoming out. I put a tie wrap on the strut to get a better measurement. I raised the coil up a 1" and got a little more clearence. This seemed to help on a few dips in the road but it changed my ride height.
Joe at A&C wasn't in so I don't know for sure if its a 250 rate spring. I did find the springs Qa1 on summit. They have 2.5" diameter and 12" legnth springs in 300lb and 350lb.
Anybody have a preference on spring rates?
Ron


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