Wheels,Tires & BrakesPost Wheel, Tire & Brake related modification information and/or questions here.
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ok, so upon doing a search i've realized the stock steel rim (which i am running currently) is 21 lbs... so if i were to purchase these enkei rims that each weigh 9.5 lbs (15"), that would be saving myself 46 lbs of rotational weight.
chopping off 10 lbs. of weight from wheels/brakes/etc, non-suspended components, in theory will shave .01 second off your 1/4th mile time... so i've i'm saving 46 lbs. that should be around .046 seconds off my 1/4th??
also, i believe that rotational weight will save you even more than regular unsprung weight... hmm
interesting... i should run her before and after to test this theory...
on edit: forgot that zero!
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Last edited by Skunk2ner; 12-23-2003 at 03:49 AM.
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uhhh i duno if the theory is correct because there is no formula for rotational mass but yeh less weight means less rotational mass, which in turn is less power needed to move the car and less stress on the engine...
However the article did not cover how unsprung weight affected handling. If you are in to autocross or track days, a lower unsprung weight emensly helps handling (Because the suspension can deal more with controling the car rather then trying to keep the tires on the ground...)
Autocross: Because Life is more fun on three wheels......
"I know Solo only comes one minute at a time, but what an intense, non-stop, fast-forward car control exercise minute it is. Sure, the velocity is higher in road racing, but inside the car it is slow-motion in comparison. In Solo, the turns come like machine-gun rounds. "
Randy Pobst
Originally posted by Zzyzx we went over this before
who told you that every 10LBS lost of rotational wight = .01 sec????
sorry, i did a search and didn't see that one for some reason...
also, i read in the suspension forum that cutting back 10 lbs. of unsprung weight will save you the .01 in the 1/4th. it was just something i was pondering.
