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Rear Coil Over Springs

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richter69
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Post  cobralcon October 24th 2009, 7:37 pm

I have a 4 link setup and HAL coil overs. The car was leaning and I found that was because someone had a 2" longer spring on the passenger side than on the driver's side.

What I'm looking for is what others are running in terms of spring rates. Since I have to get a set of new springs I might as well take advantage of what others are having success with. The car will be in the range of 3200 lbs. and will be used mainly on the street.

Any inputs are appreciated,

Hal R
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Post  richter69 October 24th 2009, 7:41 pm

seems i have 125# on mine, I'd think that or 135# might work fine.
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Post  IDT-572 October 25th 2009, 11:49 pm

I have 115# on mine.
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Post  Northwest outlaw October 26th 2009, 12:54 am

most track car/trucks i help with run 100-135lbs for the track a street car i would go a little heavy 140-170
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Post  DILLIGASDAVE October 26th 2009, 7:53 am

The car's total finished weight vs it's front & rear weight percentage bias plays a big part.
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Post  cobralcon October 26th 2009, 8:40 am

Thanks for the replies. That puts me in the right church so now I'll find the most comfortable pew. (where the heck did that come from????????????? Laughing Laughing }
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Post  kjett October 27th 2009, 9:02 am

I know it's a totally different animal, but on my mud truck I have 125# springs on my coilovers out back. I cranked up the preload to stiffen them up more for the mud, but they work fine. To really get it right you need to scale your car to find out what each corner weighs (not just front to rear), you may find you need a stiffer spring from side to side.
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Post  cobralcon October 27th 2009, 9:09 am

kjett wrote:I know it's a totally different animal, but on my mud truck I have 125# springs on my coilovers out back. I cranked up the preload to stiffen them up more for the mud, but they work fine. To really get it right you need to scale your car to find out what each corner weighs (not just front to rear), you may find you need a stiffer spring from side to side.

Different animal, yes, but same principle and good point since the car was leaning to begin with. Will follow up.
Thanks,
Hal R
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