beaver34
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| posted on 1/1/13 at 05:13 PM |
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spring rates and setups!
hi guys,
wanting a little help and info regarding spring rates
i run a live axle car thats on gaz shocks, many a moon ago it ran in the 750mc ad was just built for track use
when i got it i ran it mostly on the road, ive rebuilt it all and the suspension is the last thing that i want to sort that i am not happy with its
very stiff and hard to drive over bumps etc...
is there anyway of telling what spring rate they are by measuring them or is it a case of sending them to by measured?
next what spring rates do people run and what are they using the cars for?
the car is about 550kg i had in my head that if i fit softer springs and make a ARB front and rear i will get more road compliance but still reduce
the body roll
going to whip and shock of front and rear and measure them up and remove the springs too
thanks al 
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TheKingofBling
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| posted on 1/1/13 at 05:31 PM |
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Hi Al,
Most spring manufacturers stamp or etch on one end of the spring what the length and poundage are.
What i would suggest first is that you take one front and one rear shock from the car, remove the springs and see if there are any marks on them to
establish your current poundage.
Spring lengths can be measured when you have the springs in your hands.
With regard to anti roll bars, front one might be something to look into, but no need for a rear anti roll bar on a live axle car.
Hope that helps and gives you a bit of a start.
DIRTY DOGG RACING
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sebastiaan
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| posted on 1/1/13 at 05:41 PM |
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Spring rate can also be calculated from wire thickness, number of coils etc. Google "coil spring rate calculator". It is possible to get a
quite good approximation of the spring rates currently fitted to your car.
But normally, the rate should be stamped on the coil somewhere....
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beaver34
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| posted on 1/1/13 at 06:09 PM |
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thanks guys just whipped them off, no marking at all on them
just about my luck!
are there guides to springs rates that people are running?
also any one any pics of the ARB setups
the shocks sizes are as follows
front
12" open 10" closed
rear 13" open 10" closed
7" open front springs
8" open rear spings
pics of springs
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MikeCapon
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| posted on 2/1/13 at 08:59 AM |
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PM me your e-mail and I can send you an Excel spring rate calculator. Unfortunately it seems we can't attach files to post for downloads any
more.
www.shock-factory.co.uk
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procomp
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| posted on 2/1/13 at 11:45 AM |
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Hi
on the front a 12" open damper will not have enough droop travel if using a ride height above 3 3/4". Common problem as both GAZ and AVO
used to say that the Locost race cars needed 12" open .
You will need a 12 1/2" Min.
Cheers Matt
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