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SportTrac Discussion
Wheels, Tires & Brakes
20" tire size question
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<blockquote data-quote="Austin Sewell" data-source="post: 1023828" data-attributes="member: 72213"><p>Well it's going to depend on offset, rim width, whether or not you have a body lift/torsion twist, and how much trimming you're doing. I know my 15"s have 33" tires and 4.75 backspacing at -12 offset and I get zero rubbing with a BL/TT. Hugh has 35's on a similar setup and only had to do minor trimming. If you have 3.73 gears I wouldn't go bigger than 33's or you'll destroy your transmission and fuel economy. 4.10s might get away with 35s but mileage would be bad. Anything bigger consider regearing.</p></blockquote><p></p>
[QUOTE="Austin Sewell, post: 1023828, member: 72213"] Well it's going to depend on offset, rim width, whether or not you have a body lift/torsion twist, and how much trimming you're doing. I know my 15"s have 33" tires and 4.75 backspacing at -12 offset and I get zero rubbing with a BL/TT. Hugh has 35's on a similar setup and only had to do minor trimming. If you have 3.73 gears I wouldn't go bigger than 33's or you'll destroy your transmission and fuel economy. 4.10s might get away with 35s but mileage would be bad. Anything bigger consider regearing. [/QUOTE]
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SportTrac Discussion
Wheels, Tires & Brakes
20" tire size question
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