correct wheel size 66 mustang 5 lug - Ford Mustang Forum
 
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post #1 of 6 (permalink) Old 01-02-2012 Thread Starter
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correct wheel size 66 mustang 5 lug

looks like my family may be buying some new or used 5 lug wheels for my 66 Mustang for my 50th birthday, My son asked me what size is the correct match and he wanted to be sure to buy the correct ones. It looks like I have a 67 -8" inch rear end which may be a little wider than a 66 -8" inch rear end, the lug pattern measures 4.25 " inches but I have read that the correct pattern is 4.5 " inches? what is the correct pattern and backspacing for 14, 15, inch wheels? any other tips or info would also be helpful.

1966 Coupe
289 4V 600 Holley & Performer intake
4 speed toploader
Hurst Competition Plus Shifter
620 coil springs
1" Arning UCA drop
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post #2 of 6 (permalink) Old 01-02-2012
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4.5", u must be measuring wrong
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post #3 of 6 (permalink) Old 01-02-2012 Thread Starter
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what about back spacing? what are the ranges of back spacing? does it vary with different width wheels?

1966 Coupe
289 4V 600 Holley & Performer intake
4 speed toploader
Hurst Competition Plus Shifter
620 coil springs
1" Arning UCA drop
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post #4 of 6 (permalink) Old 01-02-2012
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Are your axle tubes straight, or necked down?
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post #5 of 6 (permalink) Old 01-02-2012 Thread Starter
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my axle tubes are straight.They are not tapered. I checked the casting number and it referenced a 67 Mustang rear end . Its an 8" inch

1966 Coupe
289 4V 600 Holley & Performer intake
4 speed toploader
Hurst Competition Plus Shifter
620 coil springs
1" Arning UCA drop
franko66 is offline  
post #6 of 6 (permalink) Old 01-02-2012
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The 67 rear is two inches wider (1 inch each side) than the 65-66 rear, to fit anything wider than a 5 inch wheel you will need custom backspace, like a 15x7 wheel you will need 5.25" instead of 4.25".
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