Anybody upsize to 245/35-19s & 275/30-19s yet? - Lexus ISF / IS-F / LFA / LF-A Forum
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post #1 of 47 Old 07-15-2009, 12:37 AM Thread Starter
ChrisLiles
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Anybody upsize to 245/35-19s & 275/30-19s yet?

Anybody upsize to 245/35-19s & 275/30-19s yet? If so do you have any pics. Any fit issues? I still have plenty of tire, but wanna go wider for my next pair.
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post #2 of 47 Old 07-15-2009, 02:33 AM
lowrider
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When I retire, those are the sizes I will be getting. This is not my F, but this one has 275/30/19s on the back, and he reported no issues.

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post #3 of 47 Old 07-15-2009, 02:41 AM
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in talking with HRE they have told me that an 8.5" rim will fit on the front, with a 255/35/19, and a 10.5" rim will fit on the rear with a 295/30/19 with no issues. these tire sizes are also as close to OE rolling radius as it gets.

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post #4 of 47 Old 07-15-2009, 05:13 AM
qsz06
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I'm running a 275/30/ 19 on rear [verdestein ultrac] on stock rim without any issues ,speedo is still dead on going by mile markers on I -20.
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post #5 of 47 Old 08-04-2009, 03:00 PM
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I am thinking of running a 235 in the front and a 265 in the back with ps2's. Anyone see any issues with this?

2008 Ultrasonic Blue IS-F
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post #6 of 47 Old 08-04-2009, 04:35 PM
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Quote:
Originally Posted by doublexl View Post
in talking with HRE they have told me that an 8.5" rim will fit on the front, with a 255/35/19, and a 10.5" rim will fit on the rear with a 295/30/19 with no issues. these tire sizes are also as close to OE rolling radius as it gets.
Other than HRE's word (I am not doubting them), does anybody else have verification of this? I am very interested. The ISF's lack of grip due to its weight and power is one thing I would love to improve. 255 fronts and 295 rears sound AWESOME!!!

DoubleXL, did HRE say that the rears fit without rolling the fenders? If so, I will be ordering wider wheels shortly. Also, what were the offsets on the 8.5" fronts and 10.5" rears? Thanks in advance.

2008 Lexus IS F - SGM - JoeZ intake pipe, Tom's filter, Borla catback exhaust, 30% tint all around, 245/35R19 and 275/30R19 Continental DWS tires
2006 Honda CBR1000RR - Akrapovic Evolution Line Race Exhaust, BMC Race Air Filters, Vortec Rear Sets, Bazzaz Tuner, Dyno Mapped
2000 Honda S2000 (Sold and missed)- AP2 in an AP1, BC coilovers, Prodrive monoblock forged wheels, etc.

"ENTHUSIASM IS NOT A SUBSTITUTE FOR CAPABILITY" "Be ashamed to die until you have done something good for mankind."
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post #7 of 47 Old 08-05-2009, 02:29 AM
doublexl
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offests are one thing they didnt tell me and i forgot to ask, or if they did tell me i just forgot. they said no rolling of the fender was necessary. but they did say an 11" wide rear was too aggressive and that it would not fit. so im guessing that 10.5" is really really close. i kind of like the stock wheels, and i cant decide on wheel color, also i want to weigh the stocks to see if they are lighter then what hre told me about their monobloks

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post #8 of 47 Old 08-05-2009, 04:56 AM
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Indeed! These sizes are the largest that can be fitted to the factory wheels and work great. There are no rubbing issues of any kind. While it's true the upgrade will provide a larger contact patch nothing will keep the tires from spinning under full throttle with the traction and VDIM disabled. The cars stance is more agressive in appearance as well!!
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post #9 of 47 Old 08-05-2009, 04:59 AM
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good stuff...thanks for the info

2008 Lexus IS F - SGM - JoeZ intake pipe, Tom's filter, Borla catback exhaust, 30% tint all around, 245/35R19 and 275/30R19 Continental DWS tires
2006 Honda CBR1000RR - Akrapovic Evolution Line Race Exhaust, BMC Race Air Filters, Vortec Rear Sets, Bazzaz Tuner, Dyno Mapped
2000 Honda S2000 (Sold and missed)- AP2 in an AP1, BC coilovers, Prodrive monoblock forged wheels, etc.

"ENTHUSIASM IS NOT A SUBSTITUTE FOR CAPABILITY" "Be ashamed to die until you have done something good for mankind."
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post #10 of 47 Old 09-02-2009, 07:04 PM
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so wut about a 285/30/19 on the rear
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