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Old 10-23-2017, 08:57 AM   #2
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Join Date: Nov 2004
Location: Mt.Airy,MD
Posts: 67,383
Re: 1972 K10 Aftermarket rims

a 9" wheel could go 50/50 on backspace. I guess these days they are using "offset" as a reference to how far off center front is to back. Or is it back to front? It's not a very clear reference to me. Good old "backspace" leave no doubt and before that we went with how much "dish". A reverse rim meant more out than in. I guess most wheels were designed to be centered back in the day. I know the K/20 9.75" wide rims can have 5" backspace on the relatively identical front end.
"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed"

'67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi...'The 67' (project)
'72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok...'The 72'

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