Thanks, MS. Yep, I looked at that and tried to decipher what I had vs. what I needed, but nobody (parts store, Ford, salvage yard) uses the cast #'s. I know you think none of us can read, but I tried to figure it out on my own-- promise. Might seem easy to you, but it's quite a riddle to someone just diving into all this.

And to be fair, the image of the 6cyl bracket is backwards and does not include casting #'s. 

So, I ended up finding cast # 0055-0 brackets and ordered them this AM. Hoping this solves my fitment issues.

I appreciate your help on this. Not many manufacturers would have given me this much time with their product.

MS wrote:

The following picture is included with your instructions for the GT2008-FT brackets.

Quick thought I wanted to toss out there. I am considering the 12.5" GT brakes as a possibility. I'm hoping to have to swap as little as possible and make this work. Is my thinking correct that the 05-10 GT brakes will likely give me more breathing room? Guessing they will sit lower (closer to hub)?  Thanks in advance for your thoughts and knowledge, gentlemen.

Tried the spacer idea and actually used lug nuts just a smidge over 1/2" and STILL got light rubbing...
I'm not sure that I can grind enough to clear that kind of issue. I'm in a pickle of a jam here.

6sally6 wrote:

I "LOVE" a grinder butt..........too much grinding "ain't-a-good-thang"!
Sounds like trial-and-error grinding maybe in order.
"IDEA"!!!!!!!!!!!! why not put some flat washers behind the wheel until you get clearance you need!?
Then measure the thickness of the washers........
6sally6

Thanks for the detailed response.
First, I got the wheels from Summit Racing -
The car is currently up on stands for the brake issues and springs are brand new, so stance and fender clearance are still to be determined.

And to clarify, I was questioning grinding the caliper, not the wheel - that would sound a little crazy, eh?!
It seems like the caliper is hitting on the top more than the front, so I am thinking wheel spacers will not really solve anything. I'm going to use some clay or something as you recommended to find exactly where the contact is.

I'll report back with my findings!

Thanks again.

lowercasesteve wrote:

I have a few thoughts.  Give us the specs on your wheels.  We need rim width and back spacing.  Also, let us(me) know where you get 17" steel wheels.   Those measurements will give us what we need to make an informed comment.  A photo would help too.

​In general, a 7" rim will need about 4.25" B/S.  an 8" rim will need about 4.75".  That amount is just a starting point.  There is around 1/4th"  plus or minus depending on your ride height and the way your car happened to be assembled.  In '66 disk brake wheels were of a different design than drum brake wheels.  Drum brake wheels did not fit disk brake wheels due to different rim designed

First, find out how much interference there is.  ​Eyeball the inside of the wheels to see if you can see where the wheel hits the caliper.  That will tell you lots about how much interference there is and where.  You also might try some modelling clay on the caliper then mounting the wheel to tell you exactly where it is happening.  That is real old school.

​Also, measure the distance from the fender rim to the straight-ahead tire.  You need about a half inch clearance for the tire to turn properly without rubbing.  That will tell you how big a spacer you can use.  You should not need much of one.

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