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Author
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Topic: Rear tire size for 68 mustang?
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Big_blocker
Journeyman Posts: 50
From: On a rock in the pacific (Hawaii)
Registered: Mar 2001
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posted 06-26-2001 10:57 PM
   
What tire size would be the Widest and tallest that I could use on my 68 mustang without it bulging out *meaning wanting it tuck under*? How much Offset on rim? Stock fender Size, Wells, and rear end length.
Thank you Very much for your reply ------------------
Drink gas haul a$$ American Racing
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Fastback68
Gearhead Posts: 1661
From: Sucat, Paranaque, Philippines
Registered: Jul 99
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posted 06-27-2001 01:44 AM
According to the June issue of Mustang Monthly, the "recommended maximum tire and wheel" combos for a '68 are:18x8 wheel size
4.5 inch backspacing
P245/40ZR18 to P265/35ZR18 tires It doesn't say whether it would bulge though.
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Rustang1
Gearhead Posts: 110
From:
Registered: Nov 2000
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posted 06-27-2001 08:31 AM
If you're talking about slicks or similar, I'd say the max you can go is 28" tall, 9" wide. 15x8 rim with 4.5" backspace. I'm currently running Hoosier 29x10's on my '68, but I had to trim about 1/2" from the rocker and also sectioned/widened the wheelwell. With 15x10 rims w/5.5" backspace, the tires fit with about 3/8" of clearance to the stock location leaf springs. The tread tucks in under the top of the fender lip about 1/2", but the sidewall hangs out a good bit.------------------
1968 Mustang,Clevor,C4
1969 Torino 351C 4spd
1978 F150 460 C6
1978 F150 351W C6
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T5owner
Gearhead Posts: 629
From: Germany
Registered: Apr 2000
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posted 06-27-2001 12:25 PM
Had 255/60VR15 Goodyear on 10x15", but they could be used with higher shackles only and still rubbed while jumping over the hills  .
I measured from my current 225/70HR14 and probably 235 are the maximum. Height ratio and rims accordingly. I would go with a 235/40 and 17" diameter rim or 235/50 and 16" or 235/60 and 15" max..
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Big_blocker
Journeyman Posts: 50
From: On a rock in the pacific (Hawaii)
Registered: Mar 2001
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posted 06-27-2001 09:05 PM
Thanks for the info guys. One last wired question though. Do any of you have a picture of your mustang?
First Ford and trying to get the right look
Thanks quote:
Originally posted by Rustang1:
If you're talking about slicks or similar, I'd say the max you can go is 28" tall, 9" wide. 15x8 rim with 4.5" backspace. I'm currently running Hoosier 29x10's on my '68, but I had to trim about 1/2" from the rocker and also sectioned/widened the wheelwell. With 15x10 rims w/5.5" backspace, the tires fit with about 3/8" of clearance to the stock location leaf springs. The tread tucks in under the top of the fender lip about 1/2", but the sidewall hangs out a good bit.
------------------
Drink gas haul a$$ American Racing
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67resto-coupe
Gearhead Posts: 123
From: sacramento, ca. usa
Registered: May 2000
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posted 07-01-2001 12:40 AM
there's a '67 custom coupe out here in nor.cal thats running 18x8 in the back and 17x8 in the front. looks kinds strange with the 18's. didn't get a note of the tire size although i believe he's running a 235/40/17 in front. the back wheel just looks a bit too tall and the tire a bit too thin/low profile. i personally like the 17x8 look with 245/40/17 tires. enough hi-tech, yet still able to look somewhat vintage.
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mustangs68
Moderator Posts: 17927
From: Hampton,Virginia,USA MCA#39406 M&M #12
Registered: May 99
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posted 07-01-2001 08:13 AM
Big Blocker I have an album of 68 Mustangs Visitors have upLoaded to my site and other photos of Mustangs at shows at you wanta lookwww.1968mustang.org any 68 owner is welcome to upload a photo of their Mustang also there. sam
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68F100
Gearhead Posts: 2062
From: Fort Madison, Iowa USA - United We Stand
Registered: Oct 99
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posted 07-02-2001 03:16 AM
quote:
Originally posted by mustangs68:
any 68 owner is welcome to upload a photo of their Mustang also there.sam
Hehe...does this apply to me too Sam? I got a 68. 
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T5owner
Gearhead Posts: 629
From: Germany
Registered: Apr 2000
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posted 07-12-2001 12:38 AM
Found a pic with the 255/60VR15 on 10x15" QUICK TRICK rims on my car, when I bought it.
The backspacing of the rim left at least 3/4" space left to the inner fender, but the fender lip cut into the tire while driving over bumps.
While looking at it, I always wanted to know how the car would look like with those tail lights duplicated over the rear panel.
I think it was good that the previous owner did not even think of this mod.
[This message has been edited by T5owner (edited 07-12-2001).]
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68 S-code GT
Gearhead Posts: 1063
From: Sayreville, NJ, US
Registered: Mar 2000
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posted 07-12-2001 07:15 AM
Hey T5owner, that?s one of those special Canadian models isn?t it?Big_blocker my 68 fastback has 15X8 rims with a 4.5? backspace and 235/60 radial TA?s on them in the back. The rims fit fine under the wells with no rubbing and a stock suspension other than KYB shocks. I can?t seem to find the height of the tires though. I?ll see if I can dig up a good picture of them on the car. ------------------
68 S-code FB GT 4spd/3.25 PS PDB
68 J-code Cp Sprint"B" C4/3.00 PDB PS AC
99 F150 XLT Ext/cab, 4X4, 5.4L, 3.55LS
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T5owner
Gearhead Posts: 629
From: Germany
Registered: Apr 2000
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posted 07-14-2001 05:18 AM
No, its just the Photoshop edition.
Would like to see your car with 235/60. Are these the BF tires 235/60 TR (allowed for 110 miles/h)?
I need those allowed for 130mp/h. (HR)
Autobahn is the keyword
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67coupe
Gearhead Posts: 391
From: dallas NC usa
Registered: Nov 2000
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posted 07-14-2001 09:57 AM
im runninga245/50/zr16 on a 16 by 7 rim in the 67 with a granada axle its tight but they hardly ever rub ------------------
Josh
67 coupe with 351c
87 bronco II on 33's(now has blown motor:(
30 model A currently rustbucket
93LX 2.3 TURBO SLEEPER
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T5owner
Gearhead Posts: 629
From: Germany
Registered: Apr 2000
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posted 07-16-2001 05:17 PM
This one had 235/60HR15 on Torque Thrust D. Although the fender lips were rolled, they apparently had often contact.
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unklshu
Gearhead Posts: 682
From: San Bernardino, Ca
Registered: Jul 2001
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posted 07-19-2001 06:34 PM
I'm also running 235/60 x 15 on Torque thrust D's on the rear of my 68 fastback they sit real well but I am considering going to 245/60 x 15 when I burn these tires up. on the front I' running 205/60x 15 and even though my car is lowered a bit they fit just finejoe
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unklshu
Gearhead Posts: 682
From: San Bernardino, Ca
Registered: Jul 2001
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posted 07-19-2001 06:38 PM
also, I have made no changes to my wheel wells and have no rubbing anywhere I guess I just got luckyjoe
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