Tire size question

96Saleen · 02-02-2004, 07:18 PM

Hi guys,

What's the maximum size that you can go on stock Mustang rims? I think the rim size is 17x8 or 17x7.5. I looked on tires.com and the website says a Plus Zero size of 275x40x17.

Also, anyone try that SpiralMax? If so, did it work?

Thanks!
Mike

surfbeast · 02-03-2004, 08:00 AM

SPIRALMAX? you have to be kidding ,right! What a joke, that is about as worthless as an intake spacer!

Tire size for stock rims is 275/40/17 you may be able to put on a 285 but anything bigger needs to be on a bigger rim

blue00gt · 02-03-2004, 06:57 PM

275s are what come stock on a 17x9 rim. On a 17x8 I wouldn't go any wider than 255.

91LX2Bfast · 02-05-2004, 05:53 PM

I agree that 255 is the maximum width I would put on a 8" rim. 275/40 is recogmended for 9"-11" rims

xxxBlakexxx · 02-05-2004, 08:52 PM

I just posed this same question to TireRack today. 255's is the max you can go. You will not be able to keep the same wheel and tire diameter with that tire size either. It will be only slightly different. You need 9" wide rims in order to go with 275's.

explicitone · 02-06-2004, 11:43 PM

the widest tire on a 17x8 rim is 275 with NO problems . 15x8 rim you can put a 295 tire on easy with NO problems and on a 17x9 rim you can put a 315 with NO problems

blue00gt · 02-09-2004, 03:07 PM

I'd have to disagree, explicitone. Whether you can put a tire that big on a rim that wide all depends on your application. Low profile performance tires with stiff sidewalls and high inflation pressure are not going to fit like that - the sidewalls will be sucked in and the middle of the tire will bulge out and wear prematurely. Taller, more forgiving sidewalls and lower inflation pressure allow alot more freedom in tire size.

02-02-2004, 07:18 PM	#1
96Saleen Registered Member Join Date: Aug 2001 Location: Mt. Clemens, MI, USA Posts: 19	Tire size question Hi guys, What's the maximum size that you can go on stock Mustang rims? I think the rim size is 17x8 or 17x7.5. I looked on tires.com and the website says a Plus Zero size of 275x40x17. Also, anyone try that SpiralMax? If so, did it work? Thanks! Mike __________________ 2002 Black Mustang GT - Cold Fusion Wet Nitrous System (75 shot) - K&N Air Filter - Cold Air Intake - Saleen Springs - Steeda Tri-Ax Shifter - 3.73 gear - BBK Long-tube headers - Dr. Gas Off-road X-pipe - Borla Exhaust - Saleen lower control arms - Saleen underdrive pulleys Best 1/4 (w/o NOS): 13.68 @ 102mph Best 1/4 (w/NOS): 12.93 @ 108mph

02-03-2004, 08:00 AM	#2
surfbeast Registered Member Join Date: Feb 2002 Location: Maryville,TN Posts: 415	SPIRALMAX? you have to be kidding ,right! What a joke, that is about as worthless as an intake spacer! Tire size for stock rims is 275/40/17 you may be able to put on a 285 but anything bigger needs to be on a bigger rim __________________ 98 GT / convertable -98 Saleen engine, Saleen appearance pkg. SHM cams,P&P NPI heads, and so much more!

02-03-2004, 06:57 PM	#3
blue00gt Mustang Addict Join Date: Jan 2001 Location: McKinney, TX Posts: 1,294	275s are what come stock on a 17x9 rim. On a 17x8 I wouldn't go any wider than 255. __________________ Strike down the unroadworthy! 2000 GT Atl. Blue: '03 Cobra motor - 465rwhp/473rwtq, T-56 6-speed, full MM TA/PH & tubular K-member suspension, Saleen body, 17" Torq-Thrust II's, M/T ET Street radials, and lots more '94 Rio Red Cobra: All the bolt-ons, 3.73s

02-05-2004, 05:53 PM	#4
91LX2Bfast Registered Member Join Date: Dec 1999 Location: Warrington, PA Posts: 694	I agree that 255 is the maximum width I would put on a 8" rim. 275/40 is recogmended for 9"-11" rims __________________ '97 T-bird LX 4.6L 2V, auto SVO heads/intake, Vortech T-trim, front mounted intercooler, blower cams, Cobra crank, Manley H-beam rods, JE pistons, Aeromotive fuel system w/ 42# injectors, and much more No times yet

02-05-2004, 08:52 PM	#5
xxxBlakexxx Registered Member Join Date: Sep 2003 Location: Mountaintop, PA Posts: 634	I just posed this same question to TireRack today. 255's is the max you can go. You will not be able to keep the same wheel and tire diameter with that tire size either. It will be only slightly different. You need 9" wide rims in order to go with 275's. __________________ "Children should not get cancer, but they do!" Help a child with cancer at www.homeoftheirown.org My Stang: 2000 Mustang GT Vert - Steeda Tri-Ax Shifter; C&L Plenum; BBK 75 mm TB; Steeda Strut Tower Supports; Black "Deep Dish" Bullet Wheels; FRPP 4.10's; Steeda Subframes; SLP Catback & SLP Catted X-Pipe; SCT 4 Position Chip with 3 custom tunes; Steeda CAI; Venom-1000 Nitrous; Roush Stage 3 Body Kit; Bullet Suspension Package (on the way)

02-06-2004, 11:43 PM	#6
explicitone Registered Member Join Date: Apr 2002 Location: racine ,wi Posts: 691	the widest tire on a 17x8 rim is 275 with NO problems . 15x8 rim you can put a 295 tire on easy with NO problems and on a 17x9 rim you can put a 315 with NO problems __________________ RUN IT STAIGHT AND RUN IT HARD ________ Novi 2000 60' 1.46 1/4 10.67 mph 126.5 _________

02-09-2004, 03:07 PM	#7
blue00gt Mustang Addict Join Date: Jan 2001 Location: McKinney, TX Posts: 1,294	I'd have to disagree, explicitone. Whether you can put a tire that big on a rim that wide all depends on your application. Low profile performance tires with stiff sidewalls and high inflation pressure are not going to fit like that - the sidewalls will be sucked in and the middle of the tire will bulge out and wear prematurely. Taller, more forgiving sidewalls and lower inflation pressure allow alot more freedom in tire size. __________________ Strike down the unroadworthy! 2000 GT Atl. Blue: '03 Cobra motor - 465rwhp/473rwtq, T-56 6-speed, full MM TA/PH & tubular K-member suspension, Saleen body, 17" Torq-Thrust II's, M/T ET Street radials, and lots more '94 Rio Red Cobra: All the bolt-ons, 3.73s

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