4x4 help!! - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 08-05-2013, 11:37 AM Thread Starter
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4x4 help!!

Hey Everyone. I'm new to the forum! I have a question. I have never tracked my excursion before but every time I launch my truck I get A LOT of wheel spin. I want to run the best time I can, with the most traction possible. Does anyone know if I launch in 4x4 low, since its on the fly and you aren't supposed to go over 55 mph in 4x4, if after I launch, can I turn 4x4 off wide open throttle? I don't wanna break anything. Can I turn four wheel drive off at wide open throttle? Thanks! Sorry of this is confusing lol
-Kyle
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post #2 of 14 Old 08-05-2013, 11:38 AM
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auto or manual Tcase?
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post #3 of 14 Old 08-05-2013, 11:45 AM Thread Starter
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Auto transfer case
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post #4 of 14 Old 08-05-2013, 12:04 PM Thread Starter
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auto or manual Tcase?
Auto transfer case
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post #5 of 14 Old 08-05-2013, 12:17 PM
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No. You have to be in neutral to shift in/out of low

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post #6 of 14 Old 08-05-2013, 12:29 PM
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No. You have to be in neutral to shift in/out of low
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post #7 of 14 Old 08-05-2013, 02:46 PM
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I think you can shift 4hi to 2 hi up to 55 but not shift above those speeds. You tractor pulling or drag racing? Personally I wouldn't use 4wd & launch cause your likely to blow the transfer case to pieces doing so. If not that than take out other components in you front drive train.

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post #8 of 14 Old 08-05-2013, 02:50 PM Thread Starter
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I think you can shift 4hi to 2 hi up to 55 but not shift above those speeds. You tractor pulling or drag racing? Personally I wouldn't use 4wd & launch cause your likely to blow the transfer case to pieces doing so. If not that than take out other components in you front drive train.
I was going to drag it. I'm curious of what it could run. Every time I do boosted launches on the street at a light or something I spin A LOT, so I didn't know if I launched it in 4 wheel drive, if I could put it back in two wheel at wide open throttle without blowing anything to pieces? Thanks
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post #9 of 14 Old 08-05-2013, 03:11 PM
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I have run my truck numerous times down the track in 4hi. It does just fine and I don't think it hurts it. I usually launch at about 10-12 lbs of boost to and haven't broke anything yet lol. I def wouldn't do It in 4lo tho. That would tear up the transfer case I believe. And when under a load the transfer case won't shift anyway so just go 4hi and have fun!


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-Cody-
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post #10 of 14 Old 08-05-2013, 03:56 PM
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tracks are typically stickier than streets. feather the throttle. Ask people at the track for advice if its your first time, test run and see what happens

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