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6.0L Performance Parts Discussion What has or has not worked for you?

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Old 02-16-2012, 01:31 PM
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sct options

got my sct from vivian yesterday!!! it rocks!!! but the shifting is a little different than im use to. i have a c1 axle ratio which is 3.73. and my tire size is 35 -12.5-17. do i need to do the old chalk at 6 oclock method for my tires, or change my shift firmness?? does the transy need to form to my tune or make my tune form to it? just wondering what options did you guys choose for your looney tune? i love the tune i just want my transy do the same!!!
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Old 02-16-2012, 01:34 PM
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you need to do the old chalk at the 6oclock method to find your tire revs per mile.
When you get that number... when you are loading the tune it will ask you if you want to adjust options. choose yes and change the tire revs per mile number to what you have gotten...


Also you need to drive 30-50 miles to let the tranny relearn the program. It should get better after that!
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Old 02-16-2012, 01:45 PM
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thanks man its just a little to rough shifting. i put 600 in this morning to see if it would shift better and its still a little to rough. i will do the chalk method tommorow at the shop and see how far off i was. otherwise, this tuner is amazing!!!!
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Old 02-16-2012, 01:55 PM
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You might check with Vivian. The tunes she sent me she puts your tire size and axle ratio in the tune. She told me to not adjust anything it's already done.
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Old 02-16-2012, 02:07 PM
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i put stock on most of everything the first time and it wasnt clicking. but the power is incredible compared to stock!!!
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Old 02-16-2012, 02:57 PM
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Yeah I have her looney tune and it does run good. Now with Erics and Matts tunes I was told to adjust for my tire size and axle ratio. But when I got my tune from Vivian she told me not to adjust, just hook it up and load the tune.
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Old 02-16-2012, 04:06 PM
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592 revolutions per mile for a 35" tire? iirc? Go to the website of the company that makes your tires and look up the revo's per mile. Then round up or down as the adjustments are only in increments of 5. If I remember I have my 33's adjusted to 625 but on nittos website it is just under 625.
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Old 02-16-2012, 04:38 PM
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My 35" is 598 used a couple months

Sent from my DROIDX using AutoGuide.com App
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