this may have been asked before but is there much of a performace difference between a 17" rim to a 18" rim..i know there's one from a 14" to a 16", but is there much from a 17" to a 18"..thanks
#40816, "RE: bigger rims=slower speed, but how much" In response to Reply # 3
Rotas are light, get 18" rotas. Anything chrome will slow you down tremendously and look not so good doing it. Straight line racing on 18s is like biking a marathon with the brakes on.
#40817, "RE: bigger rims=slower speed, but how much" In response to Reply # 4
The size of the rim will not slow you down but but the weight of the rim wheel plus your spedo will be off , it will say you are running slower than your actual speed.
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#40818, "RE: bigger rims=slower speed, but how much" In response to Reply # 0
A heavier rim will slow you down off the line. Trust me, I just put my 14's back on for the winter, and i'll tell ya the car def takes off faster, and just seems faster. My 17's did weigh more BTW. Your speedo will be off ONLY if the out diameter of the new wheels/tires is lager/smaller than the stock size. I know my 17's with the Toyo's are just a tad bit smaller diameter than stock. I read about 3 mph faster on my speedo than i'm actually going(tested using about 4 diff radar signs, all the same). Since i'm going slower than what my speedo says, that means that the tire is spinning just a bit more revs over stock, making my speedo read more. I run 225-45-17's. I believe that was the closest tire size to stock outer diameter. This is why you have to use a lower profile tire with a larger size rim. The larger the rim, the shorter the tire has to be to keep your speedo in line.
13.5 @108 MPH-2.2 60ft(stupid FWD!) S16G @ 18 PSI/FMIC/Running on MegaSquirt II (Now with sequential fuel injection) My webpage: http://eclipsed4evr.home.comcast.net -1998 Mitsubishi Eclipse RS-T- "Toy" -1992 Plymouth Laser Turbo AWD(SOLD) -2000 Honda CR-V(daily)
#40820, "RE: bigger rims=slower speed, but how much" In response to Reply # 7
Isnt the width of the rim slightly more important performance wise than the size of the rim? If you want to grip the road, then find some lightweight 16x7.5 or 16x8 rims, theyre out there...
Whats a stock 16" rim weigh anyway? I popped Konig Toxxins 17x7.5 on mine and didnt feel a difference in speed at all.
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NeoVB 2005 Subaru Impreza 2.5RS 1997 Mitsubishi Eclipse GS TURBO 1995 Mitsubishi Galant ES DOHC TURBO 1991 Eagle Talon TSI AWD
#40821, "RE: bigger rims=slower speed, but how much" In response to Reply # 8
I had the same results that extremeRS did, speedo is 3 mph faster than I am actually going. My enkei wheels weigh almost exactly the same as the OZ Racing that came on the car. I am debating on tire size for the next tires I get... might have to go to a 40 series tire to get the ones I want.
#40822, "RE: bigger rims=slower speed, but how much" In response to Reply # 9
Hardly noticable, as most .3 seconds off your track time....but well worth the cosmetic advantage in my opinion. Go for 18's. If my car had 17's...its just wouldn't be the same..
#40823, "RE: bigger rims=slower speed, but how much" In response to Reply # 10
only reason i'm leaning towards 17s is because i hear the 18 is much easier to damage, that true? :\ and the tires i want don't come in 18", the falken azenis, what tires are good for a 18" rim that aren't too expensive?
#40824, "RE: bigger rims=slower speed, but how much" In response to Reply # 11
With 18's u'll probaly want to use a 35 series tire to try to stay about the stock curcomfrence.
95 silver gs Termanator 2 wing 5% tint all the way around Kyb Struts Skunk 2 coilovers Pilot antisway bars F&B Apexi N1 3inch cat back Soon to have t3t4 custom turbo. New paint, dis 2 Ground effects on way z 3 fenders bigger injectors built bottom end
#40825, "RE: bigger rims=slower speed, but how much" In response to Reply # 12
yea i just did some math and it would cost me $700 more to go from 17" with a 40 series tire to 18" with a 35 series tire..i don't really think it's worth that
so one last thing are the falken azenis tires any good?
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