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Dodge 2012 on 94 E350. 8 on 6.5"
Center hub size is too small and needs expanding by 1/4"
Ford has largest hub, Dodge smaller and GM has the smallest hub. (Factory rims)
After market rims all use large center (not hub centric) any 8 on 6 1/2 will interchange.
Later Ford P/S use 8 on 170mm, vans never changed, and Ford even used a 7 lug in year supposedly. About as rare as Bigfoot sighting I guess?
Here's my "redneck" milling machine for hub work.
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Sent by wing, prayer & ATT