what wheel & tire size on a 65 Fastback - Vintage Mustang Forums

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post #1 of 20 (permalink) Old 01-07-2017, 07:24 PM Thread Starter
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what wheel & tire size on a 65 Fastback

Hi, I'm new here.....First post ! I am in the process of trying to buy a 1965 V8 fastback and the seller wants to keep the wheels off the car (good for me, I get it cheaper) anyway it's stock suspension, with drums all around, and I would like a Torq thrust wheel or look-alike, I would much prefer the older straight spoke look like the American Racing TTO . Anyway, I am thinking 15" wheels, so what common size & backspace wheel will fit and what size tire? bigger on the back is fine.

I found some TTO's on sale 15x7 or 15x8 1/2 with a 3 3/4" backspace will that work?
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post #2 of 20 (permalink) Old 01-07-2017, 08:31 PM
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I use a 15x6 Torq Thrust D on the front of my 65 with a 205 65 15 tire. On the rear I use a 15x8 with 4.5" backspace but I also narrowed the rear housing 5/16" on each side for a better fit and use a 235-60-15 tire. The 15x8.5 will give you the hillbilly race car look as the tires will stick out of the wheel wells. The 15x7 Torq thrust will fit the rear nicely with a 225-60 tire and welcome to the forum.

Last edited by cmefly; 01-07-2017 at 08:44 PM.
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post #3 of 20 (permalink) Old 01-07-2017, 08:37 PM
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Welcome for 15x7 on a 65/66 Mustang ideal backspacing is 4.25

Is there a wheel and tire chart for a 65 Mustang.

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post #4 of 20 (permalink) Old 01-08-2017, 03:55 PM Thread Starter
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Thanks guys, so without being ideal, will the 15x7 3 3/4 fit ? The next size down seems to be a 15x5 and that would be pretty skinny
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post #5 of 20 (permalink) Old 01-08-2017, 04:11 PM
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Thanks guys, so without being ideal, will the 15x7 3 3/4 fit ? The next size down seems to be a 15x5 and that would be pretty skinny
I have used the 15x7 Torq Thrust with a 225-60-15 tire on the rear of my 65 Mustang with no issue before I narrowed the rearend to fit the 15x8 wheels. My car was the stock ride height. On the front I would use the 15x6 Torq Thrust. Maybe some others can tell of their experience when using the 15x7 with 3.75" backspace.
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post #6 of 20 (permalink) Old 01-08-2017, 05:17 PM
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Thanks guys, so without being ideal, will the 15x7 3 3/4 fit ?
If you're going to spend money on new wheels buy the correct ones.
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post #7 of 20 (permalink) Old 01-09-2017, 12:11 AM Thread Starter
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Sadly, it seems the only 15" wheels they make in the style I want (TTO= torq thrust original, with the old style straight spokes) are a 15x7 with the 3 3/4" back space or the 15x5 with a 2 3/4" back space (and then the 8 1/2, but I assume they won't fit) I really like the look of the old style TTO
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post #8 of 20 (permalink) Old 01-09-2017, 05:54 AM
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Who makes the TTO? American Racing? They have a custom shop. Not cheap but at least you get the correct wheels.
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post #9 of 20 (permalink) Old 01-09-2017, 10:03 AM
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Sadly, it seems the only 15" wheels they make in the style I want (TTO= torq thrust original, with the old style straight spokes) are a 15x7 with the 3 3/4" back space or the 15x5 with a 2 3/4" back space (and then the 8 1/2, but I assume they won't fit) I really like the look of the old style TTO
You can get the Torq thrust D in 15x6
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post #10 of 20 (permalink) Old 01-09-2017, 10:13 AM
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I have 15x7s on my coupe with 3.75 backspacing. I think the offsets are different for the TT2 wheels. Mine have 225/60R15 tires and fit very nicely. The car is also lowered.
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post #11 of 20 (permalink) Old 01-09-2017, 12:25 PM
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My wheels are the TTII's by the way.
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post #12 of 20 (permalink) Old 01-09-2017, 02:49 PM
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I (temporarily) have original 15x7 with 3 3/4" BS TTD's with 225/60 tires on my '66 GT with Arning drop, -1 1/2 degrees camber, +1.5 degrees caster. I have no shims installed on the UCA's. All caster and camber is adjusted at the LCA's. No rubbing on the rears. Rubs on the top and lower front corners of the fronts...pretty badly. Fenders are stock with stock lips. That may soon have to change.

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Patrick
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post #13 of 20 (permalink) Old 01-17-2017, 08:55 PM Thread Starter
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Thanks again for all the help guys, I have been looking around and it seems the only way to get the straight style spoke in a Torq Thrust look with 4.25 backspacing is Rocket Wheels: "Rocket Fuel Grey" and they are significantly more expensive than the TTO's unfortunately. I only want to buy wheels for this car once, and I want them to fit right and look good. American Racing TTO's are a cast one piece wheel and so they are not available with custom backspacing like the Torq Thrust D or II which is a 2 piece wheel, but has the curved style spoke that I don't really want. Another option I thought about was a black steel wheel with a small hubcap and white letter tires , and Wheel Vintiques has a 15x7 OEM looking steel wheel with a 4.25 back space.

Am I correct in assuming the 4.25 backspace is more crucial on the front wheels ? will the same 15x7 4.25 look good on the rear also ? what tire sizes can I reliably fit (perfectly alright with me to have a different/larger size in the back)
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post #14 of 20 (permalink) Old 01-17-2017, 10:58 PM
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Not inexpensive by any definition but the style you want and custom backspacing.

ET Wheels by Team III Wheels
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post #15 of 20 (permalink) Old 01-18-2017, 12:02 PM Thread Starter
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I looked at the ET website, nice wheels but like you said , kind of expensive. I was looking at the Coy Wheels website, they look nice and are cheap, $99 each in grey or black spokes ! but they don't have a 4.25" backspace! The options were:

15x6 3.5" BS

15x7 4" BS

15x8 4", 4.5", 4.75" BS

Would a 15x6 3.5 work on the front? would a 15x8 work on the back with one of those backspacings? I really don't want to have to grind or bend anything if at all possable, but I want the car to look good and have the wheel wells filled out.

Also, if I bite the bullet and buy the 15x7 4.25" Rocket wheels to fit the front correctly, will they still look good on the back or should I do a different size or offset ?

I wish money was no object on this deal, but sadly it is. I am buying the car significantly cheaper because the seller is keeping the wheels & tires and an extra Transmission but I need to get some wheels & tires or it will be sitting on jack stands in my shop for awhile!
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