2012 gt500.

03_StangGuy · August 31st, 2011, 04:06 PM

Came into work monday to see an all black GT500 sitting in the lot. MY boos traded in his V series for it.

I noticed today that the rear tires arent wearing on the edges. Know I know traction will be an issue with that thing but the right tire pressure would help. MY boss was just tellin me the pressure was at 38-39 psi and he dropped it to 35psi this morning. That still sounds a lil high to me, but what do you guys run?

4valvegt · September 1st, 2011, 10:47 PM

Recommended tire pressures should be labled in the drivers door jam somewhere.

03_StangGuy · September 2nd, 2011, 09:50 AM

I havent looked not my car, but he has the optional 285 tires over the 255. So if they call out the psi for 255 it would be lower for the 285s. Plus Ford isnt always looking to get peak performance.

futureMACH1racer · September 3rd, 2011, 01:44 PM

What does the max psi on the tire read?

03_StangGuy · September 6th, 2011, 10:00 AM

Originally Posted by futureMACH1racer

What does the max psi on the tire read?

Im not sure but what does that have to do with the pressure to run?

DickH · September 6th, 2011, 01:32 PM

have him drop it to 25ish maybe 30 if he doesn't want to go that low.

ReverendDexter · September 6th, 2011, 01:44 PM

Yeah, not wearing on the shoulders means there's too much pressure in the tires for how the car is being driven. I'd guess that the tires should have 30-32 lbs in them, but I'd start with whatever the doorjamb sticker says and work from there.

03_StangGuy · September 6th, 2011, 04:05 PM

Yeah I told him to play with it in 2 psi increments. See if he does or not. Guess I could always go out and drop it when hes not outside and ask him hows its doin?

Ill be like a car fairy

futureMACH1racer · September 8th, 2011, 10:28 PM

Originally Posted by 03_StangGuy

Im not sure but what does that have to do with the pressure to run?

It would've gave us a guideline.. I don't own a GT500 that I would know...

kenneth · September 12th, 2011, 12:12 AM

Originally Posted by 03_StangGuy

I havent looked not my car, but he has the optional 285 tires over the 255. So if they call out the psi for 255 it would be lower for the 285s. Plus Ford isnt always looking to get peak performance.

285's are on the rear of ALL the 2011+ GT500's, only size option available is if you have the Performance package you get the 20's on the rear instead of the 19's.

I run my tire pressure at 32 psi. on the street, didn't track the car yet but plan on dropping it to around 25 at the track.
Don't think it will help much though.

Goodyear supercar tires suck.

August 31st, 2011, 04:06 PM	#1
03_StangGuy I Poop Entirely Way Too Much Blown 03 GT Join Date: Jun 2007 Location: Long Island NY Posts: 6,915 iTrader: 0 reviews	2012 gt500. Came into work monday to see an all black GT500 sitting in the lot. MY boos traded in his V series for it. I noticed today that the rear tires arent wearing on the edges. Know I know traction will be an issue with that thing but the right tire pressure would help. MY boss was just tellin me the pressure was at 38-39 psi and he dropped it to 35psi this morning. That still sounds a lil high to me, but what do you guys run? __________________

September 1st, 2011, 10:47 PM	#2
4valvegt Enthusiast 03 Cobra Join Date: Oct 2009 Location: Nebraska Posts: 809 iTrader: 1 reviews	Recommended tire pressures should be labled in the drivers door jam somewhere. __________________ MM Cobra Club #86 2003 Mineral Grey Cobra 2004 True Blue F-150 FX4

September 2nd, 2011, 09:50 AM	#3
03_StangGuy I Poop Entirely Way Too Much Blown 03 GT Join Date: Jun 2007 Location: Long Island NY Posts: 6,915 iTrader: 0 reviews	I havent looked not my car, but he has the optional 285 tires over the 255. So if they call out the psi for 255 it would be lower for the 285s. Plus Ford isnt always looking to get peak performance. __________________

September 3rd, 2011, 01:44 PM	#4
futureMACH1racer I.D.G.A.F. 2009 John Deere 9670 Join Date: Sep 2007 Location: United States of America Posts: 11,347 iTrader: 0 reviews	What does the max psi on the tire read? __________________ RIP Travis Bilings 5/6/1982-7/5/2011 Be polite. Be professional. But have a plan to kill everyone you meet.

September 6th, 2011, 01:32 PM	#6
DickH MM Fanatic 2003 gt 5.4 32v on the way Join Date: May 2007 Location: Omaha Posts: 4,188 iTrader: 2 reviews	have him drop it to 25ish maybe 30 if he doesn't want to go that low. __________________ 2003 Mustang gt - usual mods - slowly working on 5.4 swap 2004 srt4 - Stock DD/winter beater Click here for your tuning needs Before asking a gearing related question click THIS link and enjoy all your saved time.

September 6th, 2011, 01:44 PM	#7
ReverendDexter Priest of the Car Gods Clapped-out '90 GT 'vert ~5.5 seconds off TTOD :( Join Date: Jan 2007 Location: Rohnert Park, CA Posts: 13,808 iTrader: 0 reviews	Yeah, not wearing on the shoulders means there's too much pressure in the tires for how the car is being driven. I'd guess that the tires should have 30-32 lbs in them, but I'd start with whatever the doorjamb sticker says and work from there. __________________ O o /¯/______________________ \|BLAAAAAAAAAAAAAAAAAAAAAAAAARGH!!! \_\

September 6th, 2011, 04:05 PM	#8
03_StangGuy I Poop Entirely Way Too Much Blown 03 GT Join Date: Jun 2007 Location: Long Island NY Posts: 6,915 iTrader: 0 reviews	Yeah I told him to play with it in 2 psi increments. See if he does or not. Guess I could always go out and drop it when hes not outside and ask him hows its doin? Ill be like a car fairy __________________

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