Coil over spring rates and lengths

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Oct 7, 2003 | 05:15 AM

mr-s413bt

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Joined: Oct 2003

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From: South Australia

Coil over spring rates and lengths

Hey guys.

Ok i am fed up with the springs in my Tein Coil Overs already.

Now the have a helper spring in the top, basically to stop spring rattle and to make the suspension slightly more progressive.

Now i am going to get some custom springs and would like some idea as to what rate and length.

ATM i have 8kg-mm 175mm long with a 80mm long helper spring.

I am thinking of going to a 250mm 220lb spring. Does that sound about right for the front of a Series 4 RX7??

If not any suggestions? I am ordering tomorrow.

Cheers Glenn

Oct 7, 2003 | 07:42 AM

Snrub

Eats, Sleeps, Dreams Rotary

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Joined: Jun 2001

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From: London, Ontario, Canada

Stock is 95/90lbs (front/rear). The length you've quoted seems close. If my memory serves me I think its something like 10" front, 8" rear that will work. Silkworm told me the correct numbers... Keep asking because I'm not certain!