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Taller tire?

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Old Apr 26, 2007 | 03:07 PM
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Default Taller tire?

If you put a taller tire on a car say going from a 26 to a 28 without changing shift points on a auto trans. What would the outcome be in the 1320? Would the car et and mph the same,higher,lower?
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Old Apr 28, 2007 | 12:37 PM
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Anyone????
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Old Apr 28, 2007 | 12:41 PM
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bigger tire will effect shift points. most likely it will hit the limiter b/f the shift
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Old Apr 28, 2007 | 02:15 PM
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it's the equivalent of taking out some gear. for example, my 4.56's with 28" tires is roughly the equivalent of a 4.20 with 26" tires. of course, i know there is no 4.20 gearset, it was just an example. the # is just off the top of my head, but it's close.

so, you would be slower in the 1/4 bottom line with taller tires if you weren't geared for them.
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Old Apr 28, 2007 | 03:01 PM
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Maybe that explains my slower 1/4 mph is down also. I was ronning the 26in hoosier qtp,s and got a set of mickey et drags the rollout was supposed to be the same but they sure stand taller.
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