Front vs. Rear spring rate...which of these is better?
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Front vs. Rear spring rate...which of these is better?
I have A'pex N1 coilovers and they come w/ F/R 9kg/5kg. It feels great for the street and aggressive driving, but I plan on swapping them over to a hatch that will be mostly for track use. So, I'm thinking about keeping one of the springs and changing the other. Which of these would be a better combo:
Front/Rear:
5kg/7kg (keep 5kg rear spring and move it to front & buy 7kg rear spring)
7kg/9kg (keep 9kg front spring and move it to rear & buy 7kg front spring)
9kg/11kg (keep 9kg front spring in front & buy 11kg rear spring)
Would the 9/11 setup be too ruf as the car will still see some occasional street use? For reference, here's what the rates equal in lbs/in:
5kg/mm = 280lbs/in
7 = 392
9 = 504
11 = 616
Oh, and the front and rear springs are the same length, 225mm (~9").
Thanks.
Front/Rear:
5kg/7kg (keep 5kg rear spring and move it to front & buy 7kg rear spring)
7kg/9kg (keep 9kg front spring and move it to rear & buy 7kg front spring)
9kg/11kg (keep 9kg front spring in front & buy 11kg rear spring)
Would the 9/11 setup be too ruf as the car will still see some occasional street use? For reference, here's what the rates equal in lbs/in:
5kg/mm = 280lbs/in
7 = 392
9 = 504
11 = 616
Oh, and the front and rear springs are the same length, 225mm (~9").
Thanks.
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Re: Front vs. Rear spring rate...which of these is better? (bhcvc)
anyone?...any suggestions? does anyone track their car?...if so, you're help is greatly appreciated!
#3
Honda-Tech Member
Re: Front vs. Rear spring rate...which of these is better? (bhcvc)
Search for some of Prospecs treads.....(Roger Foo) he says in one of those what spring rates he uses....
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