Tire Selection

blackmustang285 · October 5th, 2008, 03:56 PM

A guy at discount tire said that a 295/45-18 tire would fit on my 18 x 8.5 rim. I would think that is a little to wide for my rim. What is you guys opinions?

TheUNZippee! · October 5th, 2008, 03:59 PM

Tire Size Calculator - tire & wheel plus sizing

MSCLCAR · October 5th, 2008, 05:29 PM

What will fit and what is safe are two different things. When I was researching what I wanted to put on my wheels, I found that most tire manufacturers recommended not going wider than 285 on 10.0" rims. They are of course going to be overly conservative since they're covering their backsides, but going even wider on an 8.5" rim seems a little much. Sure, you can make them fit and put them on there, but will it be safe? Plenty of people are going wider than recommended without problems, though, so I'm sure you'll hear from them. I know several people who have 315's on 10.0" rims without having problems, so take it for whatever it's worth.

blackmustang285 · October 5th, 2008, 05:54 PM

Thanks for the input. Any one else have a thought? I plan on getting the torq thrust in black 18x10 and 18x9 in the front. I am just going to wait a couple months to save, but I need new tires until then.

stangNV · October 5th, 2008, 06:03 PM

my uncle has 315s on his 20x10 wheels and hes been running with those fine

beefmobile · October 5th, 2008, 07:18 PM

Originally Posted by blackmustang285

A guy at discount tire said that a 295/45-18 tire would fit on my 18 x 8.5 rim. I would think that is a little to wide for my rim. What is you guys opinions?

Only one way to find out!

blackmustang285 · October 5th, 2008, 07:21 PM

Well I guess I am going to give it a shot and see what happens.

beefmobile · October 5th, 2008, 07:29 PM

Do you have the gt500 wheels? and if so, what size tire came with them?

blackmustang285 · October 5th, 2008, 07:37 PM

No, they are enkei wheels. They are 18x8.5. I bought 255/45-18 tires with them, but would like 295 or 285 in the back.

psycho bob · October 5th, 2008, 10:38 PM

i have 18x9.5 on back with 295's on them and i lost a little cornering ability when i went that wide. i had better cornering ability when going with the recommended 285's. the 295's look much better though.

Jucostud · October 5th, 2008, 10:52 PM

you can, but i wouldn't. I had 285/30/20's on a 20x8.5 for a few weeks and the car drove like crap. Going with a tire that is too big for the rim is a waste. You don't get anymore traction, your handling is worse, and the tire is heavier.

blackmustang285 · October 5th, 2008, 11:08 PM

well I am more looking to hook in a straight line better. I don't do any high speed turns. Maybe like a hand full of times since I bought the car, so would I be safe with the wider tire?

blackmustang285 · October 5th, 2008, 11:10 PM

So juco. What would you reccomend I go with? You seem to know tires. don't you work at discount tire?

Jucostud · October 5th, 2008, 11:16 PM

I wouldn't put wider than a 275 on there. a 255/45 is the best fit. You said you were getting new rims in a few months right? Do you need 4 tires right now? If you could get away with 2 right now, i would just buy some 255/45's right now and then put them on the front when you buy new rims. Putting a wider tire on a rim than what is supposed to go on there isn't going to do anything for you. Even in a straight line.

blackmustang285 · October 5th, 2008, 11:27 PM

Ok Thanks Juco. I might have to do that unless you can hook me up with the rims and tires I want with a discount.

Jucostud · October 5th, 2008, 11:28 PM

where you at?

blackmustang285 · October 5th, 2008, 11:38 PM

I live in Brenham Texas. I have a football game in Cisco In a few weeks though. Isnt that close to Dallas? You are near Dallas right?

psycho bob · October 5th, 2008, 11:43 PM

although i don't work at a tire place i absolutely concure with juco. nothing wider than a 275 on an 8.5 rim. on my 9.5 out back were it not for going to dr's i would go back to a 285 as i would rather have my cornering ability back rather than the little better look

Jucostud · October 6th, 2008, 12:59 AM

Originally Posted by blackmustang285

I live in Brenham Texas. I have a football game in Cisco In a few weeks though. Isnt that close to Dallas? You are near Dallas right?

cisco isn't very close

October 5th, 2008, 03:56 PM	#1
blackmustang285 Regular 2006 Mustang GT Join Date: Aug 2007 Location: GSU Posts: 315 iTrader: 0 reviews	Tire Selection A guy at discount tire said that a 295/45-18 tire would fit on my 18 x 8.5 rim. I would think that is a little to wide for my rim. What is you guys opinions?

October 5th, 2008, 05:29 PM	#3
MSCLCAR Regular 2007 Mustang GT Join Date: Apr 2007 Location: North Carolina Posts: 237 iTrader: 0 reviews	What will fit and what is safe are two different things. When I was researching what I wanted to put on my wheels, I found that most tire manufacturers recommended not going wider than 285 on 10.0" rims. They are of course going to be overly conservative since they're covering their backsides, but going even wider on an 8.5" rim seems a little much. Sure, you can make them fit and put them on there, but will it be safe? Plenty of people are going wider than recommended without problems, though, so I'm sure you'll hear from them. I know several people who have 315's on 10.0" rims without having problems, so take it for whatever it's worth. __________________ '07 Alloy Grey Metallic GT Steeda UDP's Steeda UCA's & LCA's BMR Lowering Package FRPP Shocks/Struts C&L Racer CAI w/ SCT X-Cal 2 Tune Shelby TT Wheels (18x10 rear, 18x9 front) Nitto 555 Tires (285/40 rear, 255/45 front) FR500S Mufflers

October 5th, 2008, 06:03 PM	#5
stangNV Regular 07 Mustang GT Join Date: Mar 2008 Location: Texas Posts: 337 iTrader: 0 reviews	my uncle has 315s on his 20x10 wheels and hes been running with those fine __________________ JLT II, Superchips 93 Octane Tune(Finally have the SCT X3), Steeda UDP's, Bassani Catted X, Bassani Race Axlebacks

October 5th, 2008, 10:52 PM	#11
Jucostud booooost'd 2007 Mustang Join Date: Nov 2006 Location: drink'n ur kool-aid Posts: 7,043 iTrader: 0 reviews	you can, but i wouldn't. I had 285/30/20's on a 20x8.5 for a few weeks and the car drove like crap. Going with a tire that is too big for the rim is a waste. You don't get anymore traction, your handling is worse, and the tire is heavier. __________________ Jucostud's Official Build Thread 1988 LX HATCH 5.0 - FOR SALE $5,000 OBO 2007 vortech gt - SOLD! Looking for next project

October 5th, 2008, 11:16 PM	#14
Jucostud booooost'd 2007 Mustang Join Date: Nov 2006 Location: drink'n ur kool-aid Posts: 7,043 iTrader: 0 reviews	I wouldn't put wider than a 275 on there. a 255/45 is the best fit. You said you were getting new rims in a few months right? Do you need 4 tires right now? If you could get away with 2 right now, i would just buy some 255/45's right now and then put them on the front when you buy new rims. Putting a wider tire on a rim than what is supposed to go on there isn't going to do anything for you. Even in a straight line. __________________ Jucostud's Official Build Thread 1988 LX HATCH 5.0 - FOR SALE $5,000 OBO 2007 vortech gt - SOLD! Looking for next project

October 5th, 2008, 05:54 PM	#4
blackmustang285 Regular 2006 Mustang GT Join Date: Aug 2007 Location: GSU Posts: 315 iTrader: 0 reviews	Thanks for the input. Any one else have a thought? I plan on getting the torq thrust in black 18x10 and 18x9 in the front. I am just going to wait a couple months to save, but I need new tires until then.

October 5th, 2008, 07:21 PM	#7
blackmustang285 Regular 2006 Mustang GT Join Date: Aug 2007 Location: GSU Posts: 315 iTrader: 0 reviews	Well I guess I am going to give it a shot and see what happens.

October 5th, 2008, 07:37 PM	#9
blackmustang285 Regular 2006 Mustang GT Join Date: Aug 2007 Location: GSU Posts: 315 iTrader: 0 reviews	No, they are enkei wheels. They are 18x8.5. I bought 255/45-18 tires with them, but would like 295 or 285 in the back.

October 5th, 2008, 11:08 PM	#12
blackmustang285 Regular 2006 Mustang GT Join Date: Aug 2007 Location: GSU Posts: 315 iTrader: 0 reviews	well I am more looking to hook in a straight line better. I don't do any high speed turns. Maybe like a hand full of times since I bought the car, so would I be safe with the wider tire?

October 5th, 2008, 11:10 PM	#13
blackmustang285 Regular 2006 Mustang GT Join Date: Aug 2007 Location: GSU Posts: 315 iTrader: 0 reviews	So juco. What would you reccomend I go with? You seem to know tires. don't you work at discount tire?

October 5th, 2008, 11:27 PM	#15
blackmustang285 Regular 2006 Mustang GT Join Date: Aug 2007 Location: GSU Posts: 315 iTrader: 0 reviews	Ok Thanks Juco. I might have to do that unless you can hook me up with the rims and tires I want with a discount.

October 5th, 2008, 11:28 PM	#16
Jucostud booooost'd 2007 Mustang Join Date: Nov 2006 Location: drink'n ur kool-aid Posts: 7,043 iTrader: 0 reviews	where you at? __________________ Jucostud's Official Build Thread 1988 LX HATCH 5.0 - FOR SALE $5,000 OBO 2007 vortech gt - SOLD! Looking for next project

October 5th, 2008, 11:38 PM	#17
blackmustang285 Regular 2006 Mustang GT Join Date: Aug 2007 Location: GSU Posts: 315 iTrader: 0 reviews	I live in Brenham Texas. I have a football game in Cisco In a few weeks though. Isnt that close to Dallas? You are near Dallas right?

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