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10-15-2004 #1
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- Apr 2001
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- La La Land, CA
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Need math confirmation on wheel offset
Hey guys, I have a interesting wheel/tire combo to figure out.
Here's the specs on the car:
1967 Camaro
Front hub to hub width: 61"
rear hub to hub width: 63"
front rim size: 20x11
rear rim size: 20x13
So far I have front with a 20x11 with 4.5" of backspacing, and 20x13 with 6.5" of back spacing.
He wants the wheels and tires to stick out at least 2" on each side so we can add flares to the car.
The stock sheetmetal is 71" in front, and 72" in the rear.
This gives me 4.5" from the rear hub to the rear 1/4 panel, and 5" from the front hub to the front fender.
Can someone confrim this for me?
Tyler
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10-15-2004 #2
Starting The Transformation
- Join Date
- Aug 2004
- Location
- Alta Loma,SoCal
- Posts
- 396
i GET AN OUTSIDE WHEEL TO WHEEL MEASUREMENT OF 74" FOR THE FRONT(1.5" STICKOUT PER SIDE) AND a 76" overall width for the rear(2" stickout per side).
1965 Buick Skylark
10-15-2004 #3
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- Apr 2001
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- La La Land, CA
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Great! I just wanted to make sure I wasn't on crack.
Anyone else care to take a shot at this?
Tyler
10-15-2004 #4
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- Mar 2003
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- Make it big
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Tyler what size tire are you gonna use on the 20x13?
-David
10-15-2004 #5
Registered User
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- Aug 2004
- Location
- Pittsburgh, PA
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- 316
Check Again
Tyler,
I come up with different numbers than TurboLark.
Front: 12"-4.5"=7.5" 7.5"x2=15" 61"+15"=76"
Rear: 14"-6.5"=7.5" 7.5"x2=15" 63"+15"=78"
You need to remember that a wheel is usually one inch larger than the actual wheel width (beed to beed) this is also taken into consideration measuring backspacing.
Shane
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