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Which more comfort 245/45 or 225/50? Frm 235/45/17, Can any owner share your real experience
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TSwayfeel
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 Jan 9 2021, 08:41 PM, updated 5y ago
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I often daily unsmooth roads i aim to up alittle comfort (cuz folks bising abit ) with whatever closest to present tire setup.
After bit consideration, now my ONLY choices is between ( A) & (B )
My stock is 235/45 R17 ( 105.75)
(A ) 245/45 17 ( 110.25) 1.4% speedo (will this up comfort alittle cuz taller, at expense of FC right cuz wider ? )
(B ) 225/50 17 ( 112.50) 2.1% (my concern is , can new tire thinner than stock, is there such rule of thumb ? )
Anyone has experience this changes before can feedback abit because I never try other setup before
This post has been edited by wayfeel: Jan 9 2021, 08:50 PM
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TSwayfeel
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Jan 10 2021, 07:26 PM
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QUOTE(6UE5T @ Jan 10 2021, 06:50 PM) First of all, what is your rims width? Coz if smaller than 8jj then you can throw the 245 option out of the window, but if bigger than 8.5jj then can forget the 225 option. If your rims is 8-8.5jj then between the 2 option the 225/50 is more comfortable given the same tire. Having said that though, if you use 225/50 tires with harder sidewall vs 245/45 with softer sidewall then the 245 might be more comfortable or about the same. 245/45 will look much nicer though cuz wider and not so ballooning. Haha totally forgot rim width . 7.5jj....olin. so many technicalities n physics involved Appreciate the time to explain for my affirmative. If narrower than my stock 235 is safely acceptable then 225 50 it will be ....since 7.5jj cannot go 245 as well... Out the window abt looking good wit tires lol not too care abt that dept lol reason why i was still sticking wit 17'' Ur BRZ use 235 40 18? |
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TSwayfeel
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Feb 8 2021, 05:22 PM
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I installed already. Toyo Japan  New tires are like new clothes Im surprised noticeable difference from a slight tire deviation From Re003 235 45 17 (treadwear 200, trac A, 94W) to Toyo 225 50 17 (treadwear 420, trac AA, 98W ) Car feels light overall (eager to launch forward than before ) , more cushion on uneven roads, and turning in is much lighter. Overall really happy what i want from initially This post has been edited by wayfeel: Feb 8 2021, 06:15 PM |
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TSwayfeel
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Feb 15 2021, 12:33 AM
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QUOTE(ceo684 @ Feb 12 2021, 04:04 PM) Bear in mind tyre shop usually give that feel good hovercraft feeling when you leave the shop, because the tyre is underinflated at 200kpa only. You should recheck your tyre pressures for a fair comparison. Thanks for bringing this up I got ask the tire technician to pump 240kpa (35psi) for me. I always like my air around 240 The improvement of comfort i believe due to newer tires (softer compound compare to 5yrs old hardened oredy) , origin of country made, and definitely the taller tire profile 50 is way better sitting |
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TSwayfeel
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Feb 16 2021, 03:23 PM
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Yes 6UEST is right i noticed comfort improvement cuz UHP to Touring ...among few changing factors Jus want to highlight that I believe this Toyo ''touring'' tire is abit (or overlapping) performance characteristic due to good traction...the plentiful of owners mileage is a further testament QUOTE(zeng @ Feb 16 2021, 01:40 PM) Sorry, late to the party . Isn't a rim size as small as TS' 7.5J within range for a 245/45 R17 tyre ? I know TS has selected a 225/50 ...... just for clarification sake . I know 235 is max width on 7.5jj because it is my current setup, Ideally, 235 for 8jj You remember max width 235 7.5jj, 245 max on 8, 255 max 8.5jj, 265 max 9jj and drop -10 for the ideal width This post has been edited by wayfeel: Feb 16 2021, 07:33 PM |
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