Classic Audi Technical Mech/Tech Suspension & Brakes » urq Coilover Spring Rate help

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Old 27-01-17, 01:59 AM   #1
Driggs
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Default urq Coilover Spring Rate help

Whats everyone using for spring rates?

I see numbers all over the place...

What ive seen for an aggressive street car is 400lb in the rear and 350lb up front.

Anyone have some opinions?
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Old 27-01-17, 10:47 AM   #2
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I have used 300lb matched springs all round. They are 2.5" diameter, 8" long and I'm using semi solid top mounts along with a similar setup on the engine, gearbox and rear diff. The subframe ones are all solid and poly bush everywhere else.


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Old 27-01-17, 11:27 PM   #3
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I have seen yours before. Look tasty. You're only using 300's though?

How is the ride?
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Old 28-01-17, 09:21 AM   #4
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Quote:
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I have seen yours before. Look tasty. You're only using 300's though?

How is the ride?
I would say it is hard. Some people go harder on the rear if you have no rear ARB.
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Old 28-01-17, 05:21 PM   #5
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What are you running for strut inserts?
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Old 28-01-17, 11:52 PM   #6
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Quote:
Originally Posted by Steve View Post
I have used 300lb matched springs all round. They are 2.5" diameter, 8" long and I'm using semi solid top mounts along with a similar setup on the engine, gearbox and rear diff. The subframe ones are all solid and poly bush everywhere else.
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Have you tested these on the road yet Steve?
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Old 29-01-17, 09:48 AM   #7
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What are you running for strut inserts?
Bilstein Sport.
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Old 29-01-17, 09:51 AM   #8
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Have you tested these on the road yet Steve?
Yes I have. The mounts have a 90 grade poly in them which is quite hard, but obviously not as hard as metal on metal.

Thinking of adding an ARB on the rear at some point, other than that, happy with the setup.
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Old 29-01-17, 04:59 PM   #9
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Thanks. I guess I was going to go harder than I should have.
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Old 29-01-17, 07:08 PM   #10
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Anyone know what the standard spring rate is for the Ur.

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