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SkidmoreGarage · 03-09-2021, 02:09 PM

SCOTI pretty much nailed it. I have an 18x10 5.5" BS on the rear of my truck and I had to use a spacer to get the track width I wanted with the narrower housing. This was mainly due to the front track width/offset. There is a lot of room under the truck bed, so clearance isn't usually the issue.

I would only add that you may want measure your existing front and rear wheel mounting widths to verify what you have. A lot of things can change on an older truck. I personally prefer the wheel lips to be in the same plane and the tire sidewalls to have a similar amount of bulge (what SCOTI is referring to with the tire section to rim width). Some folks like the old drag look with rear wheels tucked in and huge sidewall bulge.

A test fit of the actual wheel is worth a thousand words, I used Summit's and Jegs' generous return policy to try a couple wheels before I committed. I called around locally and they wouldn't even take an unused return without a huge restocking fee.

03-09-2021, 02:09 PM	#3
SkidmoreGarage Registered User Join Date: Mar 2020 Location: Portland, OR Posts: 335	Re: 18x10 backspacing question SCOTI pretty much nailed it. I have an 18x10 5.5" BS on the rear of my truck and I had to use a spacer to get the track width I wanted with the narrower housing. This was mainly due to the front track width/offset. There is a lot of room under the truck bed, so clearance isn't usually the issue. I would only add that you may want measure your existing front and rear wheel mounting widths to verify what you have. A lot of things can change on an older truck. I personally prefer the wheel lips to be in the same plane and the tire sidewalls to have a similar amount of bulge (what SCOTI is referring to with the tire section to rim width). Some folks like the old drag look with rear wheels tucked in and huge sidewall bulge. A test fit of the actual wheel is worth a thousand words, I used Summit's and Jegs' generous return policy to try a couple wheels before I committed. I called around locally and they wouldn't even take an unused return without a huge restocking fee.