17's or 18's on a 66 - Vintage Mustang Forums

 
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post #1 of 6 (permalink) Old 02-17-2017, 10:47 PM Thread Starter
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17's or 18's on a 66

The brake set up I decided to go with says that I may have to run 18's on my 66. Says some 17's may fit but may have to go 18. I have pretty well decided on Coy's C-67's machined wheels, but I'm wondering if they will even fit. They show 18x8 with 4 3/4 backspace and 18x9 with 5.5 backspace. Any insight?

Troy Arave
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post #2 of 6 (permalink) Old 02-19-2017, 12:27 AM Thread Starter
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Anyone?

Troy Arave
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post #3 of 6 (permalink) Old 02-19-2017, 06:43 AM
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Is this an all-out race car? If it's not there is no need for a brake that only fits inside an 18" wheel, that's massive over-kill.
It's your car so do what you like.
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post #4 of 6 (permalink) Old 02-19-2017, 10:56 AM
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Even if it is a all out race car, you still don't need that much brake for a less than 3000lb car. As stated though, it's your car.

Brakes

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Patrick
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post #5 of 6 (permalink) Old 02-19-2017, 11:13 AM
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It will be an all-out race car when he runs the rubber-band sidewalls
required with 18" rims.
Photo shows vintage B302 trans am front brakes on my cars. Only
15" rims required. With only standard brake pads, deceleration is
immediate & impressive..... like dragging an aircraft carrier anchor.

An 8" wide rim will fit, but requires around a 4.5" BS and PROBABLY
an aftermarket upper arm. (upper ball joint clearance needs some
scrutiny with the intended wheel choice)

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Last edited by GT289; 02-19-2017 at 11:16 AM.
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post #6 of 6 (permalink) Old 02-19-2017, 11:19 AM Thread Starter
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What I need to do is get a measurement on the 17" wheel I like. I really don't want to do 18's but I do like that wheel a lot. It's the Mustang Steve Bracket kit for the 2011-2014 mustang calipers and rotors. 13.2 rotors. I'm just quoting what is says in the instructions. Says some 17's will fit but may have to use an 18" rim. I looked on here and a couple of other forums and I know guys are running 17's with those brakes. Just a matter of if I can go with that particular wheel or need to change it up.

Troy Arave

Last edited by carguytroy; 02-19-2017 at 11:28 AM.
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