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2013 Transmission Rebuild Advice
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<blockquote data-quote="wrbsti" data-source="post: 1429629" data-attributes="member: 34636"><p>I believe you need a tuner like the SCT, or possibly can do with Forscan, dealer should be able to reset as well but they will likely charge.</p><p></p><p>If you use the SCT tuner without a custom tune, make sure you manually select 4.10 gears as well, it read my 2011 out as an F150 with the 6.2L and I discovered after much troubleshooting that the "stock" axle ratio on the SCT for our trucks is the 3.73 in the non Raptor models, was having weird shift points and "wrong ratio" soft code. Didnt figure it out till I put 37s on and discovered my speedo was dead on accurate, and the shift points improved greatly, did the math and 3.73 gears with 35" tires is about the same on the trans output revs as 4.10 with 37" tires. I always assumed it pulled wheel speed from the wheel, but appears to calculate speedo and trans shift points based off output shaft sensor on trans.</p><p></p><p>Are you running any tune now or stock?</p></blockquote><p></p>
[QUOTE="wrbsti, post: 1429629, member: 34636"] I believe you need a tuner like the SCT, or possibly can do with Forscan, dealer should be able to reset as well but they will likely charge. If you use the SCT tuner without a custom tune, make sure you manually select 4.10 gears as well, it read my 2011 out as an F150 with the 6.2L and I discovered after much troubleshooting that the "stock" axle ratio on the SCT for our trucks is the 3.73 in the non Raptor models, was having weird shift points and "wrong ratio" soft code. Didnt figure it out till I put 37s on and discovered my speedo was dead on accurate, and the shift points improved greatly, did the math and 3.73 gears with 35" tires is about the same on the trans output revs as 4.10 with 37" tires. I always assumed it pulled wheel speed from the wheel, but appears to calculate speedo and trans shift points based off output shaft sensor on trans. Are you running any tune now or stock? [/QUOTE]
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