axle width

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Nov 29, 2014 | 11:02 AM

ranwilmcc

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From: Near Wichita Falls

axle width

can someone tell me how much wider the front axle is than the rear axle on my 72 f100? I want to add some spacers to the rear that will allow the tires to track on the same path.

Last edited by ranwilmcc; Nov 29, 2014 at 11:04 AM. Reason: explanation

Nov 29, 2014 | 11:27 AM

351Cleveland C4

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From: On the Edge of the Desert

I think it's 3" but I'm not certain.

Nov 29, 2014 | 11:55 AM

JEFFFAFA

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From: Phoenix, Az.

Welcome to FTE newbie!

I used the search engine above and found where HioSilver said the rear is 2" narrower recently.

Nov 29, 2014 | 12:11 PM

HIO Silver

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From: NorCal

Quote:

Originally Posted by JEFFFAFA

Welcome to FTE newbie!

I used the search engine above and found where HioSilver said the rear is 2" narrower recently.

To clarify it's two inches on each side:

61.25 inches 1957-1972 Ford F-100 Pickup
65.25 inches 1973-1986 Ford F-150 Pickup

Rear End Widths

To visually correct, spec rear tires that are two inches wider than the front tires with proper wheel offset of course.

Nov 29, 2014 | 12:22 PM

ranwilmcc

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From: Near Wichita Falls

I am using 15X8 rims, planning on running 10" wide on Front and 11" wide on rear. would you suggest running 2" spacers on each side? and thanks for the info.

Nov 29, 2014 | 01:59 PM

351Cleveland C4

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From: On the Edge of the Desert

Quote:

Originally Posted by ranwilmcc

I am using 15X8 rims, planning on running 10" wide on Front and 11" wide on rear. would you suggest running 2" spacers on each side? and thanks for the info.

I think you'll have trouble getting 11s to fit on the back, unless the offset is perfect.

Nov 29, 2014 | 02:13 PM

HIO Silver

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From: NorCal

Quote:

Originally Posted by ranwilmcc

I am using 15X8 rims, planning on running 10" wide on Front and 11" wide on rear. would you suggest running 2" spacers on each side? and thanks for the info.

Quote:

Originally Posted by 351Cleveland C4

I think you'll have trouble getting 11s to fit on the back, unless the offset is perfect.

The rear wheel well is about 13.25 inches wide.

Is the 11-inch width you're referring to is the tread width? You'll need to account for the sidewall bulge - the section width.

Read this: Performance Wheels And Tires Fitment Guide - Car Craft Magazine

And this: How to Measure for Bigger Wheels and Tires - Size Matters