5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

back spacing

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Old 04-21-2007, 09:15 PM
  #11  
LIL D
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Default RE: back spacing

yea i seen the options of 3.5 4.5 and 5.5 and i had no idea
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Old 04-21-2007, 09:21 PM
  #12  
mustangfxbdy
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Default RE: back spacing

yep 5.5 is it.... for the back
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Old 04-21-2007, 09:28 PM
  #13  
LIL D
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Default RE: back spacing

ight thanks again for tclearing that up
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Old 04-21-2007, 11:04 PM
  #14  
5.0stanger
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Default RE: back spacing

the back spacing means the distance from the inside of the rim where it mounts to the hub to the inside lip of the rim. If a 9" wide rim with a 5.5 backspace fits just right, if you want a 8" wide rim, you will need a 5" backspace for it to fit the same as the 9" with a 5.5, or a 8" with a 5.5" backspace with a 1/2" spacer. If you ran the 8" rim with a 3.5" backspacing, you will have 4.5" of rim past the hub where you should try and keep it around 3"...you would have issues.
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Old 04-21-2007, 11:40 PM
  #15  
jerrylee01
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Default RE: back spacing

ok damn man u bout had me lost there lol . but went and checked my wheels and thought they were 5.5 but they dont look that deep . so does that mean my wheels prob 15x8's and would a 265-50 fit on 8" rim ? thought for sure mine were prob 9's but now said all that and looked at mine think maybe they are 8 's i dont know ...
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Old 04-21-2007, 11:45 PM
  #16  
2 kwik
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Default RE: back spacing

that tire will fit on a stock rim...so an 8" is a no brainer....alot of guy do as follows

15 x 8 x 5.5" bs
15 x 9 x 6.0" bs
15 x 10 x 6.5bs
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Old 04-22-2007, 12:04 AM
  #17  
5.0stanger
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Default RE: back spacing

ORIGINAL: jerrylee01

ok damn man u bout had me lost there lol . but went and checked my wheels and thought they were 5.5 but they dont look that deep . so does that mean my wheels prob 15x8's and would a 265-50 fit on 8" rim ? thought for sure mine were prob 9's but now said all that and looked at mine think maybe they are 8 's i dont know ...
If guys are running 275/50/15 on a 7" rim, you can surly get 265/50/? on an 8" rim

Sorry, I got carried away..LOL
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Old 04-22-2007, 12:15 AM
  #18  
jerrylee01
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Default RE: back spacing

well i know damn good in well mine arent 7" wheels lol . cause they dont make a deep dish 7 " wide wheel so i know its least 8 or 9 hell i dont know im gonna take one off tomorrow and check to see what says on back . and damn a 7 " wide wheel with a 275-50 wow thats gotta look fckd up lol. tire would be like 3 times size of the wheel ...
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