for moar lows, you will rub less
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I'm runnning 700# spring rate in the rear so I can run a meatier tire with less rubbing. I have 225/50/26 stuffed all around without fenders rolled and hardly rub even with a full car, well maybe except on mild/hard turns and bad bumps.
I mean I guess Oliver is right about for less rubbing, but I'm not really that low soo yeah.
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Originally posted by mbonanni View PostI'm runnning 700# spring rate in the rear so I can run a meatier tire with less rubbing. I have 225/50/26 stuffed all around without fenders rolled and hardly rub even with a full car, well maybe except on mild/hard turns and bad bumps.
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NOR-CAL General Chat.
Originally posted by oliver.r View Postfor moar lows, you will rub less
Why not just roll the fenders, get different offset wheels, and add a degree more camber?
Messing with the suspension spring geometry (and essentially the handling of the entire car) is hardly what I call a solution to rubbing issues. You could probably handle better running a lower spring rate with 215s and never rub once.
Idk.. I'm beginning to question the holy grail "450f/650r" setup everyone seems to be jumping on the I-love-it-but-can't-explain-why-they-chose-those-spring-rates-other-than-the-cool-kids-are-doing-it bandwagon for.
Just a simple question, just wondering if anyone knew why it's typically wide-spread for e30s to run such high rear spring rates (or.. Much higher than the front that is)Last edited by JinormusJ; 12-11-2013, 02:38 PM.
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@jack
Finding correct offset 4x100 wheels is hard enough as is, not to mention tire sizes are limited on 16" wheels.
Also, your argument of "Messing with the suspension spring geometry (and essentially the handling of the entire car) is hardly what I call a solution to rubbing issues. You could probably handle better running a lower spring rate with 215s and never rub once." Is not really good for those guys wanting lots of traction/meaty tires. Sure the car will rub less with 215's but wont have as much traction.
I am sure there is reasoning/logic as to why stiffer spring rates in the rear are better. Also, why do you say a stiffer spring rate messes with suspension geometry? I highly disagree with that. Lowering the car excessively messes with the geometry.
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Originally posted by One_Eyed Jack View PostJust a simple question, just wondering if anyone knew why it's typically wide-spread for e30s to run such high rear spring rates (or.. Much higher than the front that is)
FWIW it probably doesn't matter as much as you'd think. We just completed a race with 600# fronts and H&R sport rears because that's what we had kicking around. Car was neutral.
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Originally posted by kronus View Postthe rear has a mechanical advantage to the front because the spring is inboard of the half shaft. If you math it out, the effective rates are about equal, which is what you want.
FWIW it probably doesn't matter as much as you'd think. We just completed a race with 600# fronts and H&R sport rears because that's what we had kicking around. Car was neutral.
The rate does matter, but it's only one variable of many when it comes to handling and there is more than one way to skin a cat.
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