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Magnum 500 Backspace #1832818 05/23/15 02:23 PM 05/23/15 02:23 PM
Joined: Dec 2007 Posts: 232 Alberta Canada PossessedDuster OP enthusiast
PossessedDuster OP enthusiast Joined: Dec 2007 Posts: 232 Alberta Canada	What backspace is best for a 67' B-body? My current cop car wheels are 15x7 with a 4.5" back space and 255/60/15 tires clear the quarter panel by 1" and the leaf by 1 1/4" The repro magnums "stock" sizes are 4 1/4 back space. Should this be ok?

Re: Magnum 500 Backspace [Re: PossessedDuster] #1832873 05/23/15 05:02 PM 05/23/15 05:02 PM
Joined: Jan 2003 Posts: 27,485 So Cal autoxcuda Too Many Posts
autoxcuda Too Many Posts Joined: Jan 2003 Posts: 27,485 So Cal	Original cop car wheels are 4.25" backspace. Are you measuring from the edge of the lip or the outside bead?

Re: Magnum 500 Backspace [Re: PossessedDuster] #1832893 05/23/15 06:02 PM 05/23/15 06:02 PM
Joined: Dec 2007 Posts: 232 Alberta Canada PossessedDuster OP enthusiast
PossessedDuster OP enthusiast Joined: Dec 2007 Posts: 232 Alberta Canada	I measured from the edge of the lip. I take it this was the wrong way to measure?

Re: Magnum 500 Backspace [Re: PossessedDuster] #1832903 05/23/15 06:23 PM 05/23/15 06:23 PM
Joined: Jan 2003 Posts: 27,485 So Cal autoxcuda Too Many Posts
autoxcuda Too Many Posts Joined: Jan 2003 Posts: 27,485 So Cal	If you measure form the outside of the bead you'll get 4 1/4" or extremely close. You'll get the same measurement off a set of original 15x7 Rallye or 15x7 steel rims. So the repro Magnums that are listed as 4 1/4" should have the same backspace as you current 15x7 Cop rims.

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