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Author
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Topic: wheel size question
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kewljay223
Journeyman Posts: 64
From: Long Beach, California
Registered: Sep 2002
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posted 02-02-2003 04:06 PM
  
i am planning on buying the torque thrust d's for my 69 mach 1 because they look good on the car. The rear wheels will be wider than the front but my problem is i dont know what the maximum width is for my car. Summit sells 15x7, 15x8.5, and 15x10(they sell smaller but those are the sizes im looking at). i dont know much about the "back spacing" so i was hoping you guys could help me out with this. i dont know what other info you need about my car but would be happy to give it to you if needed. thanks.
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Red65
Journeyman Posts: 47
From: Northglenn, CO, USA
Registered: Jul 2002
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posted 02-02-2003 04:43 PM
I saw this table in the November 2000 issue of Mustang & Fords "Wheel & Tire Round-up" article:'67-'70 Mustang Wheel/Tire Fitment
Wheel Backspace Suggested_Tire_Size
15x6 4.000 P215/70R15
15x7 4.250 P225/60R15
15x8 4.500 P225/60R15
15x9* 5.500 P235/60R15
16x7 4.250 P205/55R16 to P225/50R16
16x8 4.500 P225/50R16 to P255/50R16
17x7 4.250 P205/50ZR17
17x8 4.500 P235/45ZR17 to P245/45ZR17
17x9 5.500 P245/40ZR17 to P275/40ZR17
18x7 4.250 P225/40ZR18
18x8 4.500 P245/40ZR18 to P265/35ZR18
18x9* 5.500 P245/40ZR18 to P265/35ZR18 *='69 & '70 only
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Toronado3800
Gearhead Posts: 123
From: St. Louis, MO
Registered: Jul 2001
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posted 02-04-2003 09:18 PM
I just measured things on my '68 using every spare wheel and tire we had in the garage which would drop over the studs. Up front I'm shooting for 15 x 7's with 3 3/4 to 3 7/8 back spacing. That should hold 215/60/15's pretty normally. In back I slid on some 10 inch wheels with no tires unfortunately. They had 4 7/8 back spacing and just stuck out a bit. I will try to get 8.5 wheels with a similar or slightly less back spacing to hold 265/50/15's. BUT, I haven't even ordered these yet. That's probably two weeks into the future.
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