Why won't my wheels fit?

68coupe351 · Aug 27, 2007

I bought the 17 inch Bullitt Wheels that allcarfan had on this site. He said they will fit the front of a 67-69 no prob. but they do not clear the upper a arm on my 68 coupe or my dads 69 mach 1. He said the backspacing is 5.75. Any help would be nice. Thanks, Lance

1320stang · Aug 27, 2007

Do you have the shelby drop?

RMODEL65 · Aug 27, 2007

i had to run a 1" adaptor to clear the a arm

ForceFed70 · Aug 27, 2007

5.75" is too much backspacing. You'll need to run a 1" spacer.

I don't see how the shelby drop would make much of a difference...His wheel is probably touching the upper ball joint. Shelby drop won't move that ball joint (in relation to the wheel) more than a fraction of an inch.

2bav8 · Aug 27, 2007

You're not serious, right?
Max backspacing on a '68 is 4.75"
Spacers are definitely required after 4.75".

Rusty67 · Aug 28, 2007

Its common knowledge (not to make you feel bad) that basically all SN95 wheels need 1" spacers to fit properly on classic Mustangs because of backspacing and hub size. They do fit the cars just fine, with a spacer. I've got a set of the Magnum 500's from the 02+ Mach 1 on my 67. I love the way they look and they will allow for future brake upgrades. The spacer/adaptors are not that expensive. You should be able to get a set of adaptors off of ebay. I buy mine from a guy on ebay... I think his name is trailsport or something like that. I think you can get a set of 4 shipped for less then 120 bux.

Helmantel · Aug 28, 2007

MustangSteve had his narrowed to 7", which allowed him to fit them without spacers.

One advantage is that you have more tire clearance at the fender side and a reduced scrub radius. MS reported that the steering felt better after the modification.

Cost was about $150 per wheel, but of course you don't need to buy spacers.

I thought it would look a little weird with the wheels tucked in, but from the pictures I've seen, it looks fine. See the June issue of Mustang Monthly for pics (also on the MM website).

BlwnGazkit · Aug 28, 2007

I can vouch for the MAX BS being 4.75" on the 68's... I just installed 05+ Bullitt wheels, they have a 6.29" BS and I added 1.5" spacers. Even so, I have approx. 1/8" clearance between the edge of the UCA and the back edge of the wheel.

fvike · Aug 28, 2007

I've posted these images before, they show a 17x8 rim with 4.5" BS on a shelby dropped '69 Mustang. There's not much clearance!

allcarfan · Aug 29, 2007

Obviously, I was wrong. I ran the 5.75" BS in the rear without any problems. That was on a 66 mustang with a 68 rearend in it. I was told that BS for the front on a 67-68 should be 5.75. I ran a 1" spacer on the front of my 66, but did not know one was needed for a 67-68 also. You can buy a pair on Ebay for less than $100.

You are still coming out WAY WAY WAY WAY ahead on the wheels and tires, even with the spacer. If you need help finding a spacer, let me know and I will lend a hand.

CraigMBA · Aug 29, 2007

What they ment when you asked "Will they fit" was "They will fit in the trunk".

98Fauxbra · Aug 30, 2007

I may be completely off base but wasn't MS running the full SN95 front conversion (or something similar)? If so, he would not need to run spacers on his wheels becasue the offset would be correct. I remember that he narrowed the wheels for a better fit. Also, isnt a 68 rear about 2 inches wider in total width than a 66 rear? If so, the SN 95 offset would work perfectly on a 65/66. Not sure if I am right or not but I wanted to try to prevent any more headaches for others. Thanks guys!

CraigMBA · Aug 30, 2007

Steve had a spacer until he had the wheel narrowed to 7" which also fixed the backspace.

Soaring1 · Aug 30, 2007

98Fauxbra said:
I may be completely off base but wasn't MS running the full SN95 front conversion (or something similar)? If so, he would not need to run spacers on his wheels becasue the offset would be correct. I remember that he narrowed the wheels for a better fit. Also, isnt a 68 rear about 2 inches wider in total width than a 66 rear? If so, the SN 95 offset would work perfectly on a 65/66. Not sure if I am right or not but I wanted to try to prevent any more headaches for others. Thanks guys!

I would really like to know how you can put an SN 95 suspension underneath a classic Mustang. If Ms or whomever has done that, then I would really like to see the results, and even get the procedure into the FAQ so that we can all see it in action and take measures to make our classics into modern cars. Talk the talk, and walk the walk. Let's see the evidence.

RMODEL65 · Aug 30, 2007

rrs i think it is makes a conversion that use the sn95 style stuff

CraigMBA · Aug 30, 2007

Soaring1 said:
I would really like to know how you can put an SN 95 suspension underneath a classic Mustang. If Ms or whomever has done that, then I would really like to see the results, and even get the procedure into the FAQ so that we can all see it in action and take measures to make our classics into modern cars. Talk the talk, and walk the walk. Let's see the evidence.

You are the most worthless poster on this board.

Please stop trolling.

Thanks.

dodgestang · Aug 30, 2007

For clarification, MS makes a kits that allows you to use the SN95 brake setup, not the full front suspension

RogerC62 · Aug 31, 2007

I saw an ad (I think for RRS) yesterday in the latest issue of M&F that showed that it used a late model front spindle.

12sec67 · Sep 1, 2007

CraigMBA said:
You are the most worthless poster on this board.

Please stop trolling.

Thanks.

thats why he got the boot from the mustangforums and now has landed here with those wonderful comments.

5.0ina66 · Sep 1, 2007

12sec67 said:
thats why he got the boot from the mustangforums and now has landed here with those wonderful comments.

You forgot his 2 (or was it 3) bannings from www.vintage-mustang.com.

Get lost Glenn!

Why won't my wheels fit?

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