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| 6.0L Performance Parts Discussion What has or has not worked for you? |
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03-13-2009, 06:42 AM
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SCTx3 / REVOLUTIONS PER MILE ?
I've had the SCT for over a year and the lift/wheels/tires for a couple of months now. I'd like to adjust the revolutions per mile in the SCT. According to Mickey Thompson the revolutions per mile for my tire are 440 however the SCT will not adjust to this setting. It seems like it will go to stock then 500 then up to 900 something. This is when I go to adjust the settings under the Looney tune. Is this range of revolutions per mile adjustment something that the Tuner (ie the former DJ) sets? Is this something I should even worry about? I am assuming this setting should be corrected for shifting points? Thanks in advance for any help
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03-13-2009, 08:42 AM
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did you tell DJ you had 38" tires? If so, he probably wrote it into the tune.
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03-13-2009, 08:45 AM
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Im trying to figure that out myself for 315/75/18
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03-13-2009, 09:43 AM
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DJ's has been closed for a while...when I got the sct the truck had stock suspension/wheels/tires. Does anybody else's sct allow them to adjust to 440 revolutions per mile?
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03-13-2009, 10:00 AM
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Just found this.... If you running 38s it should be 550 rrms
Need revs/per mile calc, asap! you can also figure it out yourself, its 20168 divided by your tire diameter
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03-13-2009, 10:21 AM
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I have baja claws 36x15.5x20 according to mickey thompson the revolutions per mile are 440. I just need to know if this setting can be achieved via the sct? the range my sct is giving me is 500-900 something...
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03-13-2009, 10:29 AM
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A smaller mass is gonna have a higher rotation... if 38s are 550 36s will be higher yet....
Its like a bike with big tires goes 100ft it will have 20 rotations if a bike with smaller tires it will have 30-40 rotations to make the same 100ft distance. idk its just the way I understand it... for a vehicle to have 440 rrms it would have to be running 40ish tires Im not sure Micky is right but again idk
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03-13-2009, 10:41 AM
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Quote:
maybe mickey's specs were wrong I think I'll try what you said above I divided 20168 by 35.9 and got 561.78 I'll try to set it close to that number. I appreciate the help 
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03-13-2009, 02:24 PM
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I called sct tech and they told me that you can't adjust the rev per mile ot the gear option on the 6.0 on the canned tunes, is that correct?
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03-13-2009, 10:03 PM
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You can adjust with canned tunes...
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