PigB8 Posted March 26, 2004 Share Posted March 26, 2004 Looking for some recommendations from experience... Is there much difference between the two ie. ride and handling... They are to go on a R33 GTS-t Also, is there any problem running a 235x40x18 on a 7.5x18? Thanks PB8. Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/ Share on other sites More sharing options...
LaL Posted March 26, 2004 Share Posted March 26, 2004 get 18: Red and black LM wheels Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-743659 Share on other sites More sharing options...
lwells Posted March 26, 2004 Share Posted March 26, 2004 Well, besides looks, not a whole heap. Its all about the size of the contact patch at the end of the day (in performance terms) and if you have the same width wheels in 17" and 18", there is not going to be any noticeable difference. One thing to keep in mind though is that wider tires are generally easier to get for larger sized wheels, although tires for said wheels are usually much more expensive (for the decent stuff anyway). LW. Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-743670 Share on other sites More sharing options...
sewid Posted March 26, 2004 Share Posted March 26, 2004 I have 18"s now but would love to go back to 17"s. The ride is noticibly different and you can feel that extra inch of sidewall that goes missing. Tires also are harder to find and a lot more expensive in 18"s. 17"s are also cheaper initially to buy. Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-743684 Share on other sites More sharing options...
PigB8 Posted March 26, 2004 Author Share Posted March 26, 2004 Cheers for the help lads. PB8 Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-743965 Share on other sites More sharing options...
slip Posted March 26, 2004 Share Posted March 26, 2004 id say go 17's for tyre choice and price. 17x8 would be a heaps better option than 18x7.5. Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-744858 Share on other sites More sharing options...
T0nyGTSt Posted March 26, 2004 Share Posted March 26, 2004 For a 33, there's not much need to go bigger than 17 x 8 simply because they have a good contact patch, is relatively cheap and they fill out the wheel wells fine. Same for the 32. The 34 does seem to look better with 18" rims. T. Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-744874 Share on other sites More sharing options...
wreckedhead Posted March 27, 2004 Share Posted March 27, 2004 17 for GO, 18 for SHOW. Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-745048 Share on other sites More sharing options...
PigB8 Posted March 27, 2004 Author Share Posted March 27, 2004 17 for GO, 18 for SHOW. If it was $350 bucks the difference for a new set of 18's (with tyres), which way would you go? I can't see the ride being that much worse as it's only going from a 245 to a 240 anyway. Cheers PB8 Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-745095 Share on other sites More sharing options...
RedS14T Posted March 27, 2004 Share Posted March 27, 2004 I'm running 17x8's on my 200sx atm, last week i temporily put 18x7.5 on to see the difference. I honestly couldn't believe how bumpy it was with the 18's (i've got koni adjustables set on full firm) Car felt like it was skipping over every minor imperfection in the road. I guess 18's would look more flashy, but when i see a import with expensive 17's i usually get the hint that it means business! Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-745125 Share on other sites More sharing options...
Terminal Posted March 27, 2004 Share Posted March 27, 2004 If you want quicker launches, and better fuel efficiency, go the 17"s, as the 18's will have a higher moment of inertia and take more power to get up to the same speed. this also works with 16"s vs 17"s and so on. it all depends on what you want to do, go fast or look good. Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-745196 Share on other sites More sharing options...
xRHETTx Posted March 27, 2004 Share Posted March 27, 2004 18x7.5 seem pretty skinny, i would think if you were after wheels that performed well as well as looked good, you would probably go for 8 or 9 inch wide wheels, especially for the rear. I think a car with fat 17x9s looks a lot tougher than a car with 18x7.5. Plus tyres are heaps cheaper. Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-745208 Share on other sites More sharing options...
FATGTS-R Posted March 27, 2004 Share Posted March 27, 2004 The only car I had that I ever changed rim diameter was my Aus spec R31. Went from 14 to 15 inch. I didnt think it would make that much difference but hell was I wrong. The ride is a lot more harsh and would assume your suspension cops more of a beating as there is less tyre profile to absorb some of the shock. Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-745240 Share on other sites More sharing options...
ASYLUM Posted March 31, 2004 Share Posted March 31, 2004 i own an R33 GTS, i was going to swap the axles over to 5 stud to get some good racing 18s (the wheels i am after are only available as 18s in 5 stud). i have been toying with the idea of keeping the 4 stud and getting the 17x8 versions instead. after reading this i think the 17s sound a lot better but i will be doing a turbo upgrade/swap later on - will i need to move to 5 stud and GTSt LSD anyway? in which case i'll just get the 5 stud 17s Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-752630 Share on other sites More sharing options...
Yotis Posted March 31, 2004 Share Posted March 31, 2004 For a 33, there's not much need to go bigger than 17 x 8 simply because they have a good contact patch, is relatively cheap and they fill out the wheel wells fine.Same for the 32. The 34 does seem to look better with 18" rims. T. Hell yer . Also at the same time.. I thought by having slightly wider rear wheel will give slightly better tracktion? Since the gtst/gts25t/gtt are all rear wheel drive and all. Correct me if I'm wrong of course. Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-752660 Share on other sites More sharing options...
PigB8 Posted March 31, 2004 Author Share Posted March 31, 2004 Well over the last week I have asked people left, right and centre (owners/tyre salesman/this forum/suspensionexperts) which way to go.... The core of it is... if you got the cash go the 18x8 and 18x9. I drove both 17's and 18's this week on the same suspension set up (standard) and the ride is hardly different... after all it's just 5mm of side wall difference. I guess the real difference would be around tuning the suspension to suit the wheel size. Sports cars are full of comromise, this is just another one. lwells 's post was on the mark... it's all about the contact patch. Cheers PB8 Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-752722 Share on other sites More sharing options...
gslrallysport Posted March 31, 2004 Share Posted March 31, 2004 Rim size and how it performs really depends on the application and how they're set up, Formula 1 cars run 13's yet seem to go ok... don't ya think... They basically use the sidewall as suspension and run VERY hard suspension components to compensate... its down to personal taste and what it is your after, looks or performance and how you tune your suspension to match Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-752837 Share on other sites More sharing options...
BlaCk Pearl Posted March 31, 2004 Share Posted March 31, 2004 get 18: Red and black LM wheels nice Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-753217 Share on other sites More sharing options...
Abo Bob Posted March 31, 2004 Share Posted March 31, 2004 17 for GO, 18 for SHOW. Dead right. I've got both and change them to suit. Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-754605 Share on other sites More sharing options...
dAVE Posted March 31, 2004 Share Posted March 31, 2004 18;s dont cost too much more than 17's... but you will take it in the arse with tire prices..... I dont know what 17" rubber goes for these days, but a few weeks ago got a nail through the sidewall on the 350z.. 1x18" tire cost $500 If it was $350 bucks the difference for a new set of 18's (with tyres), which way would you go? I can't see the ride being that much worse as it's only going from a 245 to a 240 anyway.Cheers PB8 Link to comment https://www.sau.com.au/forums/topic/37143-wheels-17in-vs-18in/#findComment-754697 Share on other sites More sharing options...
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