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Old 11-24-2015, 07:21 AM   #12 (permalink)
jchammond
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Join Date: Nov 2014
Location: South Carolina
Age: 57
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Wheel Width Baseline Starting Point For ~Z's~ With Front/Rear Camber Within Specs:

I Know I'm gonna catch a little "GRIEF" from this; but it's ok/i've been doing my homework & these are very close starting points for you guy's & Gal's who want to purchase Custom wheels without having to use spacers for that flush look.
(*Remember A Baseline Start*) You can choose to go more or less aggressive with offset's.
For Wheels to sit in about the exact same spot on front and rear (outside lip to fender relationship) this is a list of my findings from various sites,pic's & own experience.
#1-using a 1" narrower wheel up front will need to be +12,13mm offset more than rear.
#2-for 1.5" narrower up front +6,7mm offset more than rear.
#3- a 2" differential will use same offset
#4- a 2.5" differential will use -6,7mm offset less than rear
#5- a 3" will use -12,13mm offset less
#6- a 3.5" 19mm
#7- a 4" 25mm less in front than rear.
Going back the other way.....
#8 using a .5"narrower wheel in front than rear will need +19mm more offset
#9 using the same width wheel, +25mm more offset in front than rear.
Okay,,,,,just a few examples of the math & i'm gonna let you think about it.

A 9.0"F & 10.0"R would be very close to +19 & +6
A 9.5"F & 10.5"R would be very close to +25 & +12

A 9.0"F & 10.5"R would be very close to +19 & +12
A 9.5"F & 11.0"R would be very close to +25 & +19

A 9.0"F & 11.0"R would be very close to +19 for both
A 9.5"F & 11.5"R would be very close to +25 for both

A 9.0"F & 11.5"R """"" +19 & +25
A 9.5"F & 12.0"R """"" +25 & +32

and back the other way
A 9.0"F & 9.5"R would be +19 & 0
A 9.5"F & 10.0"R """ +25 & +6

A 9.0" Front/rear would be +19 & -6
A 9.5" F/R """"" +25 & 0

Just A Starting Point For Newcomers-Don't shoot (these will put you very close)
alway's remember tire size/maker & camber play a Huge role in all of this.

Have A Nice Turkey Day!
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