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  Wheel Backspacing ? Help please.

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Author Topic:   Wheel Backspacing ? Help please.
drmach
Journeyman

Posts: 12
From: Nashville, TN
Registered: Jul 2004

posted 05-11-2005 09:47 AM     Click Here to See the Profile for drmach   Click Here to Email drmach     Edit/Delete Message   Reply w/Quote
I am going to put new rims and tires on my 69 Cyclone. The rims I want to use come in 15x7 or 15x8. Backspacing options are 2", 3", or 3.625". What should I order? The car is a Spoiler II so I want to give it a bit of a Nascar racer look. I prefer to have all 4 tires and rims the same size but I want to fill the wheel wells up as much as possible without tire rub. I'm sure the rears are easy but I don't want the fronts to rub when making a turn and hitting a bump. Tire size will likely be 225/60/15. Any suggestions?

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MLariviere
Moderator

Posts: 4063
From: Biddeford,Me.USA
Registered: May 99

posted 05-12-2005 11:26 PM     Click Here to See the Profile for MLariviere   Click Here to Email MLariviere     Edit/Delete Message   Reply w/Quote
I would say a 3" backspace would be good,but the 225's will be smallish,i think. I would try 245's if you can find some. Are you going with the black A/R wheels?

[This message has been edited by MLariviere (edited 05-12-2005).]

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Bloose
Gearhead

Posts: 751
From: Milwaukee, WI
Registered: Dec 2001

posted 05-13-2005 02:35 AM     Click Here to See the Profile for Bloose   Click Here to Email Bloose     Edit/Delete Message   Reply w/Quote
Are the wheels going to tuck up into the wheel wells or not? If there are, the rear is a little tricky. On my '68 Fairlane I had 15x8 rims made with a 4.5" BS. I got to have another set made (and had to pay for them) with a 4.75 BS because they rubbed on the 1/4 panel lip.

B-loose

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Bloose
Gearhead

Posts: 751
From: Milwaukee, WI
Registered: Dec 2001

posted 05-13-2005 02:36 AM     Click Here to See the Profile for Bloose   Click Here to Email Bloose     Edit/Delete Message   Reply w/Quote
Oops, forgot to mention I'm running 275/60-15 tires in the rear. They fill the wheel well really nice though. If you go with a 245 or smaller you likely won't have the problems I did. A 275/50-15 might work too.

B-loose

[This message has been edited by Bloose (edited 05-13-2005).]

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TomP
Gearhead

Posts: 6000
From: Delta BC Canada
Registered: Dec 99

posted 05-19-2005 03:07 AM     Click Here to See the Profile for TomP   Click Here to Email TomP     Edit/Delete Message   Reply w/Quote
watch out for clearance at the upper control arm with a 15x8" rim with 4 3/4" backspacing. It is going to be very tight, that's about maximum before you need to go larger in rim diameter to clear the ball joint area or use a narrower wheel. A 225 would look way too small, for a Nascar look you'd want tires about 26" diameter and 10" wide all the way around, a 255/60-15 i'd think.

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