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Who makes a 2.5"ID, 6" 350lb spring?

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Old 01-07-2011, 11:27 PM
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Default Who makes a 2.5"ID, 6" 350lb spring?

Like the title says, I'm looking for a 2.5ID 6" 350lb coilover spring. 7" QA1s won't let me get where I'd like to be without unloading the spring at full droop, which I understand isn't fatal, but I'd prefer not to do. As far as I can tell, most manufacturers (QA1, Eibach, Hyperco) don't make 6"s in rates lower than 450 or so.

I do see that Swift makes a 65mm ID 6" 336lb(6kg/mm) spring - I assume there wouldn't be any reason not to use this with a 2.5" collar? However, please let me know if any other manufacturer has a suitable spring. And if there's an online retailer that carries Swift at a decent price, I'm all ears. Thanks!
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Old 01-08-2011, 12:01 AM
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If a 7'' spring will unload at full droop, I don't see why you would want a 6'' spring. That would make the problem worse.

With my 7'' rear 350lb QA1 and a 11.5'' rear ride height the spring did not unload. However I am running ISC top hats.

You should buy my springs.
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Old 01-08-2011, 12:01 AM
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eibach certainly does make 6" long 2.5 springs down to 200 lbs. truechoice and ground control both carry the full line.
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Old 01-08-2011, 12:29 AM
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Originally Posted by falcon
If a 7'' spring will unload at full droop, I don't see why you would want a 6'' spring. That would make the problem worse.

With my 7'' rear 350lb QA1 and a 11.5'' rear ride height the spring did not unload. However I am running ISC top hats.

You should buy my springs.
I have the same rear springs and tophats and the lowest I can go is around 13", just eyeballing it. I don't want to go a lot lower, but the shorter spring would put my range of adjustability lower. Unless I'm really missing something.

I'm not finding the springs on either website, but I'll give them a call Monday. Thanks.
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Old 01-08-2011, 12:36 AM
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Originally Posted by y8s
eibach certainly does make 6" long 2.5 springs down to 200 lbs. truechoice and ground control both carry the full line.
GC's web site doesn't seem to list them.

I've owned a 6" 2.5 375 lb/in Eibach spring in the past, though -- that's the front spring for the standard GC Miata coilovers.

--Ian
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Old 01-08-2011, 01:12 AM
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I still don't understand what you want to do though? If I'm understanding you right, shouldn't you want to go to an 8'' spring and just use the perch at a lower point on the sleeve?
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Old 01-08-2011, 08:37 AM
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H&R. I ordered my 2.5" 400lb 6" springs here: http://store.allsprings.com/25-id-ra...ngs-p1846.aspx
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Old 01-08-2011, 08:58 AM
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I may have some id be willing to part with, but I have to check, pm me if you are interested
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Old 01-08-2011, 10:48 AM
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Originally Posted by y8s
eibach certainly does make 6" long 2.5 springs down to 200 lbs. truechoice and ground control both carry the full line.

nah, you'd have to get the 2.25"

http://www.ground-control-store.com/.../II=335/CA=212

Still should fit, Splittime uses 2.25 springs over his bilstiens.
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Old 01-18-2011, 07:01 PM
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I thought hyperco did. You could probably pick up a cheap set of $50 coilovers on ebay for whatever car, and find something with those specs
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