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Great video explaining Wheel offset, backspacing and scrub radius and why one should NOT run zero & negative offset wheels

Oldhippie

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Age old problem with ā€œreverseā€œ wheelsā€¦turns to how do ya run big tires without more offsetā€¦While I want +15/18 zero became what there wasā€¦and yes I can feel the extra strain in the steeringā€¦going to bigger rackā€¦never endingā€¦
 
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Pressurized

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Black Rhino has a significant number of options in +12. That's probably my favorite fitment for the bronco. If sticking with 35's, anything with +25 to +18 is great. I cringe when people want negative offset, specifically on the Bronco, because it isn't needed.
 

87-Z28

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Kingpin axis is close to 20 degrees in camber plane. So about a 10 mm laterally outward location for every 1ā€ increased tire radius. To keep close to OEM scrub radius, assuming SAS on 35s with 30 mm offset, then maybe (rough math); 15-20 mm offset for 37s, and 0-10 mm for 39-40s.
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