The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

**lolife99** · 03-23-2009, 10:47 PM

Factory 15x8 6-lug ralleys have a 3-5/8" backspace.
I wouldn't go more than 4" backspace.
If you plan to ever lower it I would re-think your 15x10's.
You may have to run 15x7's and 15x8's.

03-23-2009, 10:47 PM	#2
lolife99 67-72 parts collector,… Join Date: Nov 2002 Location: Mid-MO Posts: 22,717	Re: 6 lug back spacing? Factory 15x8 6-lug ralleys have a 3-5/8" backspace. I wouldn't go more than 4" backspace. If you plan to ever lower it I would re-think your 15x10's. You may have to run 15x7's and 15x8's. __________________ Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823