4WD launch - Ford Powerstroke Diesel Forum

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post #1 of 41 Old 12-12-2006, 11:28 AM Thread Starter
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4WD launch

If I launch my truck off the line in 4WD, will it hurt anything to switch it out after I get down teh track far enough to get traction? Or can it hurt the t-case? Should I leave it in 4WD all the way down the track? Over 100 mph top speed. See my signature to see what trcuk I'm talking about. Thanks


2006 F350 SOLD
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post #2 of 41 Old 12-12-2006, 11:39 AM
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Its okay to launch in 4wheel but not okay to go over 55 mph in 4 wheel.

2003 6.0 F350 dually on high cholesterol fuel (WVO)
2000 7.3 Excursion also on a high cholesterol fuel



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post #3 of 41 Old 12-12-2006, 11:42 AM Thread Starter
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Quote:
Originally Posted by CHenry View Post
Its okay to launch in 4wheel but not okay to go over 55 mph in 4 wheel.
I knew that I could launch it in 4WD, but I was wondering if the t-case is going to be able to disengage if the drivetrain has a load on it. How can you get it to disengage after the launch? Thanks


2006 F350 SOLD
* KMC XD Monsters wrapped in Hankook ATM's
* 08 style mirrors
* 4" TB exhaust
* SCT X2 with Gearhead, PHP and ID tunes
* Edge Insight CTS
*Full Bulletproof Diesel kit with remote oil cooler
* Blue FPR spring
* 6.4 Banjos
* Repaired FICM by BPD
* Dfuser coolant filter
* Stage1 MTW turbo



New truck has a Cummins and a handshaker

Last edited by 2006PSDSD; 12-12-2006 at 11:47 AM.
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post #4 of 41 Old 12-12-2006, 11:46 AM
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That is a good question.. I too plan on drag racin my truck.. do we simply hit it back to 2wd in 2nd gear?

2006 F250 CrewCab Lariat Dark Stone w/Tan Leather SCT & Undercover
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post #5 of 41 Old 12-12-2006, 11:49 AM
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Quote:
Originally Posted by 06SIXLITER View Post
do we simply hit it back to 2wd in 2nd gear?
Yep, it won't hurt it.

2003 6.0 F350 dually on high cholesterol fuel (WVO)
2000 7.3 Excursion also on a high cholesterol fuel



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post #6 of 41 Old 12-12-2006, 11:50 AM Thread Starter
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Quote:
Originally Posted by CHenry View Post
Yep, it won't hurt it.
The 4WD will disengage?


2006 F350 SOLD
* KMC XD Monsters wrapped in Hankook ATM's
* 08 style mirrors
* 4" TB exhaust
* SCT X2 with Gearhead, PHP and ID tunes
* Edge Insight CTS
*Full Bulletproof Diesel kit with remote oil cooler
* Blue FPR spring
* 6.4 Banjos
* Repaired FICM by BPD
* Dfuser coolant filter
* Stage1 MTW turbo



New truck has a Cummins and a handshaker
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post #7 of 41 Old 12-12-2006, 11:51 AM Thread Starter
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Quote:
Originally Posted by 06SIXLITER View Post
That is a good question.. I too plan on drag racin my truck.. do we simply hit it back to 2wd in 2nd gear?
I don't know, I'm still trying to peel my head off the headrest in 2nd gear.


2006 F350 SOLD
* KMC XD Monsters wrapped in Hankook ATM's
* 08 style mirrors
* 4" TB exhaust
* SCT X2 with Gearhead, PHP and ID tunes
* Edge Insight CTS
*Full Bulletproof Diesel kit with remote oil cooler
* Blue FPR spring
* 6.4 Banjos
* Repaired FICM by BPD
* Dfuser coolant filter
* Stage1 MTW turbo



New truck has a Cummins and a handshaker
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post #8 of 41 Old 12-12-2006, 11:52 AM
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Quote:
Originally Posted by 2006PSDSD View Post
I don't know, I'm still trying to peel my head off the headrest in 2nd gear.
by 2nd gear it pretty much calms down.. I think thats when we switch back to 2wd

2006 F250 CrewCab Lariat Dark Stone w/Tan Leather SCT & Undercover
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post #9 of 41 Old 12-12-2006, 11:54 AM Thread Starter
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Quote:
Originally Posted by 06SIXLITER View Post
by 2nd gear it pretty much calms down.. I think thats when we switch back to 2wd
I'm still pulling some G's in 2nd, but that should work. I just am concerned that while the gears are pulling out of 4WD, that they could be damaged.


2006 F350 SOLD
* KMC XD Monsters wrapped in Hankook ATM's
* 08 style mirrors
* 4" TB exhaust
* SCT X2 with Gearhead, PHP and ID tunes
* Edge Insight CTS
*Full Bulletproof Diesel kit with remote oil cooler
* Blue FPR spring
* 6.4 Banjos
* Repaired FICM by BPD
* Dfuser coolant filter
* Stage1 MTW turbo



New truck has a Cummins and a handshaker
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post #10 of 41 Old 12-12-2006, 11:56 AM
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Quote:
Originally Posted by 2006PSDSD View Post
I'm still pulling some G's in 2nd, but that should work. I just am concerned that while the gears are pulling out of 4WD, that they could be damaged.
then wait until 3rd.. I dont know never tried it only launched mine @ 10psi 1 time and that was stock and in 2wd

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