b3ngy
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| posted on 19/2/15 at 09:50 AM |
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hayabusa spring rates
I'm trying to get my suspension sorted and set up. I know spring rates can vary slight depending on application but was wonder what ball park
spring rates people are using front and rear.
I removed my original springs and had the spring rates checked, fronts are 300lb and rears are 175lb and 150lb. Not sure why the rears are different?
Maybe one has had a hard life.
So what spring rates are you guys using?? 300lb seems a little high for the front?
Car is mk Indy with busa engine. Road and track use.
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b3ngy
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| posted on 27/2/15 at 09:31 AM |
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Well in the end decided to go for 250lb fronts and 200lb rears. Will get the car setup next month and see how it goes.
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raptor700
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| posted on 27/2/15 at 02:18 PM |
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Where are you getting it set up ?
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b3ngy
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| posted on 27/2/15 at 02:36 PM |
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I have a friend who is very local and used to work in formula Ford. He now looks after historic lemans and other gt cars. He has all the kit in his
workshop.
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twybrow
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| posted on 27/2/15 at 07:54 PM |
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I have a zx12 engine (similar weight to the Busa) and I run 225lb on the front, and 150lb on the rear (live axle). Procomp suggested I would benefit
from dropping to 140lb on the rear at some point in the future. I find it is very predictable and comfortable to drive.
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b3ngy
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| posted on 27/2/15 at 08:13 PM |
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I wasn't sure what rates to go for as I didnt get any replies. Spent hours on here using the search which threw up lots of different
combo's. In the end I just decided to go with spring rates that were somewhere in the middle of what others were using. I have no doubt in my
mind that they may well need changing (harder or softer) but won't know for sure until its set up and I can drive it again.
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