Trying to find how to choose tire size - Pontiac GTO Forum
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post #1 of 7 (permalink) Old 11-16-2012, 07:43 AM Thread Starter
 
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Trying to find how to choose tire size

I currently have a 2004 GTO, with a lovell stock height eliminator kit Drag DR-37 wheels, 40mm offset, 18x8" rim
On the front have 245/40/18, rear 265/35/18

Wondering if this is a good setup to have or what is recommended, it is partly a daily driver but planning to make it a project car, have been running Pirelli P-Zero all season tires on it and in need of front tires so wanting to get advice prior to purchase
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post #2 of 7 (permalink) Old 12-27-2012, 12:13 PM
 
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There are a bunch of different answers that are going to pop up here. It all depends on what your goal is. If it is a daily driver then that is going to drive your selection just as much as if you are looking to stick drag wheels/tires on there. It will depend on how much sag you get either by launching it or by carrying extra passengers or groceries.
Personally, if/when I settle on what wheel tire combo I wanted I would also get a set of drag bags to help keep the rear from squatting too much and rubbing on your new tires
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post #3 of 7 (permalink) Old 12-28-2012, 02:57 PM
 
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245s fit nicely on a 8" wheel.

2003 Corvette Z06 - MGW shifter, Corsa X pipe, Corsa Xtreme exhaust, Texas Speed long tubes w/o cats, PowerStop rotors/pads, Conti DWS tires, C6Z51 F&R sways, C5R headlights, tuned

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post #4 of 7 (permalink) Old 12-28-2012, 03:34 PM
 
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Quote:
Originally Posted by msclhed79 View Post
There are a bunch of different answers that are going to pop up here.
Not so much. It took about a month and a half to get two......maybe because tire and wheel fitment has been discussed so many times here. A search is what would bring up a 'bunch of different answers'......

2005 Pontaic GTO - CGM 6 Speed (My car)
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Last edited by HP11; 12-28-2012 at 05:15 PM.
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post #5 of 7 (permalink) Old 01-08-2013, 01:56 PM
 
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I use 245s on 8's also, very happy with the setup.





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Originally Posted by Jeffcarr View Post
I currently have a 2004 GTO, with a lovell stock height eliminator kit Drag cars DR-37 wheels, 40mm offset, 18x8" rim
On the front have 245/40/18, rear 265/35/18

Wondering if this is a good setup to have or what is recommended, it is partly a daily driver but planning to make it a project car, have been running Pirelli P-Zero all season cheap tires on it and in need of front tires so wanting to get advice prior to purchase
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post #6 of 7 (permalink) Old 01-08-2013, 04:43 PM
 
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i use to run 235 on the front and 255 on my 18x8, no problems at all.

i run 245 on the front and 275 on the rear now with my thruxtons. the rears rub like a bitch unless i inflate my drag bags. im running a 40 series tires on the back though. cant wait to get rid of them and put the proper 35s on.

i usually run Hankook Ventus V12s. great price, they seem to handle well and last decently long.

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post #7 of 7 (permalink) Old 01-10-2013, 08:25 AM Thread Starter
 
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Appreciate the input, I did go with the pirelli p zero 245-40s on the front, and since I have noticed a problem but don't think it is the tire, if I turn the wheel to the slightest right I get a humming noise and vibration of the front driver side. Straight or going left is fine, needing to test the wheel bearing as it is the current suspect.
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