Wheel sizing vs. power question

Pauly · 03-18-2012, 04:30 AM

kenchan is right. ive heard this reffered to as "rolling diameter". usually they will offer you the thinner tire to compensate the growth in wheel size, unless you specify otherwise. and vegas, right again about the power sap on the bigger rim, regardless of the "rolling diameter" remaining the same. why? aside from obvious weight gain? i dont know. but i have experienced this on two vehicles. must, maybe the rims you chose were close enough to the weight of your old rims, so you didnt get power loss? just guessing

Chan Chee Hoe · 03-18-2012, 07:57 AM

I am thinking of replacing my rears with 285/35,i wonder what effect wiil have.??

03-18-2012, 04:30 AM	#1 (permalink)
Pauly Track Member Join Date: Feb 2012 Location: Lafayette, La Posts: 645 Drives: and parks Rep Power: 15	kenchan is right. ive heard this reffered to as "rolling diameter". usually they will offer you the thinner tire to compensate the growth in wheel size, unless you specify otherwise. and vegas, right again about the power sap on the bigger rim, regardless of the "rolling diameter" remaining the same. why? aside from obvious weight gain? i dont know. but i have experienced this on two vehicles. must, maybe the rims you chose were close enough to the weight of your old rims, so you didnt get power loss? just guessing Last edited by Pauly; 03-18-2012 at 04:32 AM. Reason: fix

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03-18-2012, 07:57 AM	#2 (permalink)
Chan Chee Hoe Track Member Join Date: Mar 2009 Location: Singapore Posts: 861 Drives: 370z,Yellow,7sp A Rep Power: 18	I am thinking of replacing my rears with 285/35,i wonder what effect wiil have.??