Best tire set up for these wheels?

Zabiz · 11-05-2018, 02:35 PM

Hello everyone, I have a quick question regarding what tires would be the best fit sizing wise on these wheels:
Forgestar f14 18 x 8.5 +35
rear 18 x 9.5 +40

They currently have Michelin pilot super sports in the front 225/40/zr18
rear 255/35/zr18

Apparently I was running a stretched front tire and that caused it to tear at the edge of the sidewall when I hit a pothole.

alohasurftoad · 11-05-2018, 02:55 PM

235/40/19, 265/35/19 or 245/35/19, 265/35/19

Zabiz · 11-05-2018, 02:58 PM

Quote:

Originally Posted by alohasurftoad

235/40/19, 265/35/19 or 245/35/19, 265/35/19

I cant run 19's though right? my wheels are 18 inches

alohasurftoad · 11-05-2018, 03:02 PM

Quote:

Originally Posted by Zabiz

I cant run 19's though right? my wheels are 18 inches

oh sorry, my bad, haha... 235/45/18, 265/40/18 or 245/40/18, 265/40/18

Zabiz · 11-05-2018, 03:03 PM

Quote:

Originally Posted by alohasurftoad

Quote:

Originally Posted by Zabiz

I cant run 19's though right? my wheels are 18 inches

oh sorry, my bad, haha... 235/45/18, 265/40/18 or 245/40/18, 265/40/18

Quote:

Originally Posted by alohasurftoad

Quote:

Originally Posted by Zabiz

I cant run 19's though right? my wheels are 18 inches

oh sorry, my bad, haha... 235/45/18, 265/40/18 or 245/40/18, 265/40/18

No worries man thank you for the fast reply, so is there a difference between running 235 vs 245 on the front ?

alohasurftoad · 11-05-2018, 04:23 PM

235 is taller 26.3". Lessens wheel gap, better ride. 245, 25.7" increases gap but will improve front grip and reduce understeer for better handling. That's the difference in theory, not sure if you'd notice. The visual difference is more noticeable, 245 will have more gap and cause a slight forward rake when paired with 265/40/18 rears which are 26.3".

Zabiz · 11-06-2018, 11:36 AM

Quote:

Originally Posted by alohasurftoad

235 is taller 26.3". Lessens wheel gap, better ride. 245, 25.7" increases gap but will improve front grip and reduce understeer for better handling. That's the difference in theory, not sure if you'd notice. The visual difference is more noticeable, 245 will have more gap and cause a slight forward rake when paired with 265/40/18 rears which are 26.3".

I see, thank you very much! I am going to go get the 235/45/18, 265/40/18 set up.

alohasurftoad · 11-06-2018, 06:01 PM

Quote:

Originally Posted by Zabiz

I see, thank you very much! I am going to go get the 235/45/18, 265/40/18 set up.

btw, are you lowered? i just noticed the tire sizes you are currently on are a profile size too small, 25" diameters instead of the oem 26". the sizes i'm recommending will look way "beefier" and not as "low profile". if you are lowered you could also run 245/40/18, 275/35/18, if you didn't buy your tires yet.

Zabiz · 11-07-2018, 11:02 AM

Quote:

Originally Posted by alohasurftoad

btw, are you lowered? i just noticed the tire sizes you are currently on are a profile size too small, 25" diameters instead of the oem 26". the sizes i'm recommending will look way "beefier" and not as "low profile". if you are lowered you could also run 245/40/18, 275/35/18, if you didn't buy your tires yet.

yeah nope I'm on stock suspension currently.

alohasurftoad · 11-07-2018, 11:24 AM

Quote:

Originally Posted by Zabiz

yeah nope I'm on stock suspension currently.

ok. 235/45/18, 265/40/18 will be good. i noticed there's not a large selection of brands/models of tires in that size combination, though.

Zabiz · 11-07-2018, 11:51 AM

Quote:

Originally Posted by alohasurftoad

Quote:

Originally Posted by Zabiz

yeah nope I'm on stock suspension currently.

ok. 235/45/18, 265/40/18 will be good. i noticed there's not a large selection of brands/models of tires in that size combination, though.

Quote:

Originally Posted by alohasurftoad

Quote:

Originally Posted by Zabiz

yeah nope I'm on stock suspension currently.

ok. 235/45/18, 265/40/18 will be good. i noticed there's not a large selection of brands/models of tires in that size combination, though.

Yeah that's an issue that I've been coming across, would moving up to a 245/40/18 be better in regards to tire availability?

alohasurftoad · 11-07-2018, 12:02 PM

on tirerack, 245/40/18, 265/40/18 has more choices. you could also do 245/40/18, 255/40/18(slight stretch on 9.5) and that has a lot more choices.

245/40/18, 275/35/18 also has many choices but it is slightly oversize on 9.5" and being heavier and wider, may make your 4-cyl N20 engine feel sluggish.

Zabiz · 11-07-2018, 12:23 PM

Quote:

Originally Posted by alohasurftoad

btw, are you lowered? i just noticed the tire sizes you are currently on are a profile size too small, 25" diameters instead of the oem 26". the sizes i'm recommending will look way "beefier" and not as "low profile". if you are lowered you could also run 245/40/18, 275/35/18, if you didn't buy your tires yet.

Quote:

Originally Posted by alohasurftoad

on tirerack, 245/40/18, 265/40/18 has more choices. you could also do 245/40/18, 255/40/18(slight stretch on 9.5) and that has a lot more choices.

245/40/18, 275/35/18 also has many choices but it is slightly oversize on 9.5" and being heavier and wider, may make your 4-cyl N20 engine feel sluggish.

Ok, so I will be looking for 245/40/18 since I only need my fronts for now, what is a decent brand of tires that is economical? (college kid)

kern417 · 11-07-2018, 12:45 PM

i went with 245/40 and 275/35 and I love it. I'm lowered though. But it fits the wheels with absolutely no stretch and of course the added grip is great.

If you want some quality tires for cheap, i think your best bet is firestone indy500s or Hankook v12 evo. it's a great summer tire that you can probably enjoy a lot in cali.

alohasurftoad · 11-07-2018, 02:40 PM

per tire rack info, i'd recommend these

Continental ExtremeContact Sport, 2nd to MPS4S in performance but doesn't cost as much. priciest of this bunch.

General GMAX RS(made by Continental) best Ultra High Performance Summer

Hankook Ventus V12 Evo 2, average Max Performance Summer

Sumitomo HTR Z III(Max Perf Summer) if you're absolutely "broke ass"...

Zabiz · 11-08-2018, 03:12 PM

I just tried to put the 245/40/18 on and it rubbed, so my only option is 235/45/18 now ?

Zabiz · 11-08-2018, 03:21 PM

Quote:

Originally Posted by alohasurftoad

per tire rack info, i'd recommend these

Continental ExtremeContact Sport, 2nd to MPS4S in performance but doesn't cost as much. priciest of this bunch.

General GMAX RS(made by Continental) best Ultra High Performance Summer

Hankook Ventus V12 Evo 2, average Max Performance Summer

Sumitomo HTR Z III(Max Perf Summer) if you're absolutely "broke ass"...

I just tried to put the 245/40/18 on and it rubbed, so my only option is 235/45/18 now ?

alohasurftoad · 11-08-2018, 04:29 PM

Quote:

Originally Posted by Zabiz

I just tried to put the 245/40/18 on and it rubbed, so my only option is 235/45/18 now ?

18x8.5 ET35 with 245/40/18 rubbed in front on stock suspension? it should not rub. do you know where it is rubbing?

Zabiz · 11-08-2018, 04:30 PM

Quote:

Originally Posted by alohasurftoad

Quote:

Originally Posted by Zabiz

I just tried to put the 245/40/18 on and it rubbed, so my only option is 235/45/18 now ?

18x8.5 ET35 with 245/40/18 rubbed in front on stock suspension? it should not rub. do you know where it is rubbing?

I'm not quite sure tbh my dad took it in and that's what he told me so I ordered the 235

alohasurftoad · 11-08-2018, 06:06 PM

Ok. Sorry 245/40/18 should have fit. Idk what else to say

11-05-2018, 02:35 PM	#1
Zabiz Private First Class 20 Rep 109 Posts Drives: 2014 BMW 328i Join Date: Jun 2017 Location: California iTrader: (0)	Best tire set up for these wheels? Hello everyone, I have a quick question regarding what tires would be the best fit sizing wise on these wheels: Forgestar f14 18 x 8.5 +35 rear 18 x 9.5 +40 They currently have Michelin pilot super sports in the front 225/40/zr18 rear 255/35/zr18 Apparently I was running a stretched front tire and that caused it to tear at the edge of the sidewall when I hit a pothole.
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11-05-2018, 02:55 PM	#2
alohasurftoad Brigadier General 3072 Rep 4,315 Posts Drives: 440i gran coupe w/mppsk Join Date: Apr 2015 Location: hawaii iTrader: (0)	235/40/19, 265/35/19 or 245/35/19, 265/35/19
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11-05-2018, 04:23 PM	#6
alohasurftoad Brigadier General 3072 Rep 4,315 Posts Drives: 440i gran coupe w/mppsk Join Date: Apr 2015 Location: hawaii iTrader: (0)	235 is taller 26.3". Lessens wheel gap, better ride. 245, 25.7" increases gap but will improve front grip and reduce understeer for better handling. That's the difference in theory, not sure if you'd notice. The visual difference is more noticeable, 245 will have more gap and cause a slight forward rake when paired with 265/40/18 rears which are 26.3". Last edited by alohasurftoad; 11-06-2018 at 08:15 AM..
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11-07-2018, 12:02 PM	#12
alohasurftoad Brigadier General 3072 Rep 4,315 Posts Drives: 440i gran coupe w/mppsk Join Date: Apr 2015 Location: hawaii iTrader: (0)	on tirerack, 245/40/18, 265/40/18 has more choices. you could also do 245/40/18, 255/40/18(slight stretch on 9.5) and that has a lot more choices. 245/40/18, 275/35/18 also has many choices but it is slightly oversize on 9.5" and being heavier and wider, may make your 4-cyl N20 engine feel sluggish.
	Appreciate 1 Zabiz20.00 Quote

11-07-2018, 02:40 PM	#15
alohasurftoad Brigadier General 3072 Rep 4,315 Posts Drives: 440i gran coupe w/mppsk Join Date: Apr 2015 Location: hawaii iTrader: (0)	per tire rack info, i'd recommend these Continental ExtremeContact Sport, 2nd to MPS4S in performance but doesn't cost as much. priciest of this bunch. General GMAX RS(made by Continental) best Ultra High Performance Summer Hankook Ventus V12 Evo 2, average Max Performance Summer Sumitomo HTR Z III(Max Perf Summer) if you're absolutely "broke ass"...
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11-08-2018, 03:12 PM	#16
Zabiz Private First Class 20 Rep 109 Posts Drives: 2014 BMW 328i Join Date: Jun 2017 Location: California iTrader: (0)	I just tried to put the 245/40/18 on and it rubbed, so my only option is 235/45/18 now ?
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11-08-2018, 06:06 PM	#20
alohasurftoad Brigadier General 3072 Rep 4,315 Posts Drives: 440i gran coupe w/mppsk Join Date: Apr 2015 Location: hawaii iTrader: (0)	Ok. Sorry 245/40/18 should have fit. Idk what else to say
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