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This post has been edited by tebong: Jul 14 2015, 02:24 AM

hi guys , planning to change to my stock rim and tyres (205/55R16) to R18. did some research/calculation and it recommended me to go for options below if want to have same comfort as previous one.

http://www.carbibles.com/tyre_bible_pg4.html#slr.

New spec %diff
125/70R18 0.13
215/40R18 -1.20
225/40R18 2.35
245/35R18 -1.42
255/35R18 1.69
285/30R18 -1.64
295/30R18 1.02
305/30R18 3.68

Im thinking of choosing option 225/40R18 , but wondering if i can expand the diameter a bit to 225/"45"R18 to make look just nice fit with the fender. plus im also wondering if 225 is a good tyre width not to exceed the bodyframe (im not a fan of tyres looking popped out from the side body)

any sifus experienced using 18 inch wheel are welcome to advise.

This post has been edited by tebong: Jul 14 2015, 02:46 AM

have you perform any ECU/TCU software update at the center? in my case, the SC in shah alam i need to update coz i bought the car before the update was release. so they update the software during the service. problem solve.

This post has been edited by tebong: Jul 20 2015, 05:20 PM

Just went to some rims shop and ask for 18" rims. i find it most of the salesperson/mechanics very consultative as they first always ask me why would i want to go 18" and not 17". even tho i said got money to buy but they always advise me be practical. pickup will be very slow , tyre will worn out faster. so i thank them for the advise and i hold first as need to rethink. I leaning towards follow their advise but would like opinion from members here. so far (i think) i've seen only two pic with 18" rims - 1 from proton sapphire pic and 1 from works engineering page- both used as car show only. but i have never seen one actually on the road.

to guys out there that have tried 18" tyre/rim, is it really that bad experience/performance as what they say?
oh yeah by the way , i'm using Preve 1.6 EXECUTIVE MANUAL stock engine.

This post has been edited by tebong: Jul 20 2015, 05:04 PM