IHADAV8.com - Turbo Buick Tech, and Nonsense

Tech Area => General Auto Tech => Topic started by: daveismissing on September 09 2019, 08:33:28 AM

Title: Rim offset
Post by: daveismissing on September 09 2019, 08:33:28 AM
Prasad on FB posted this table which I thought was useful. The zero doesn't seem to precisely track the center?

Title: Re: Rim offset
Post by: Steve Wood on September 09 2019, 09:31:50 AM
does not look right to me
Title: Re: Rim offset
Post by: Steve Wood on September 09 2019, 09:44:45 AM
There seems to be some variation as to the points from which backspacing and offset are measured...ins ide lip outside lip.  I found some charts that agree with the above and others that are a 1/4 inch different.  Must not be a precise science
Title: Re: Rim offset
Post by: Scoobum on September 09 2019, 10:04:53 AM
Way to much thinking going on in that chart. I guess I need to do a video on how to use a tape measure.
Title: Re: Rim offset
Post by: earlbrown on September 09 2019, 05:09:44 PM
It's overly simplistic.  That chart assumes a certain thickness of the wheel at the mounting flange.
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