5 lug pattern & offset? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

GobbleStalker · 10-04-2010, 08:56 PM

I have a 72 lwb and am starting to look into rims but I do not understand the off set and spacing I need. Factory 5 bolt with disc up front and leaving the drums on the back. Looking to go 17 or 18 " rims. Thanks in advance for the help.

Kev

68Stepbed · 10-05-2010, 09:31 AM

Offset isn't as important as backspacing. Backspacing(bs) is the distance from the back edge of the rim to the flat surface where is sits against the hub.

In general, an 8" wide wheel works best with 4-4.5" of bs.
A 9.5" wheel works well with 4.75-5.5" bs.

Longhorn Man · 10-05-2010, 09:55 AM

and the bolt pattern is 5 on 5

**N2TRUX** · 10-05-2010, 10:14 AM

Quote:

Originally Posted by GobbleStalker

... Looking to go 17 or 18 " rims...

As your shopping for wheels, take a look at tires sizes and prices too. I have found that it is better to ensure that the tire sizes are available at a fair price. These days 17's are common and 18's aren't as much. You will find a much better selection in 20's and the price will surprise you as being as cheap if not cheaper in some cases.

10-04-2010, 08:56 PM	#1
GobbleStalker GobbleStalker Calls Join Date: Aug 2010 Location: Port Hope, Ontario Posts: 653	5 lug pattern & offset? I have a 72 lwb and am starting to look into rims but I do not understand the off set and spacing I need. Factory 5 bolt with disc up front and leaving the drums on the back. Looking to go 17 or 18 " rims. Thanks in advance for the help. Kev __________________ 72 Chev Longbox Highlander edition. Med Olive/White/ Med Olive 350 4bbl with 350Turbo trans. Truck currently under construction. Project Cappaccino. Stay Tuned! 1967 Chevy C10, 327, 4.11 posi 3 spd. The Driver Truck! SOLD! 09 GMC Sierra SLT All Terrain pkg. 2014 Jeep Wrangler Sahara unlimited. ( The wifes ride )

10-05-2010, 09:31 AM	#2
68Stepbed Registered User Join Date: Mar 2005 Location: 10-Uh-See Posts: 5,609	Re: 5 lug pattern & offset? Offset isn't as important as backspacing. Backspacing(bs) is the distance from the back edge of the rim to the flat surface where is sits against the hub. In general, an 8" wide wheel works best with 4-4.5" of bs. A 9.5" wheel works well with 4.75-5.5" bs. __________________ Matt 68 C10 stepside, LS1/700R4, TCI Engineering suspension system

10-05-2010, 09:55 AM	#3
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	Re: 5 lug pattern & offset? and the bolt pattern is 5 on 5



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