4WD launch - Ford Powerstroke Diesel Forum
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  #1  
Old 12-12-2006, 11:28 AM
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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
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  #2  
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.
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Old 12-12-2006, 11:42 AM
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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

Last edited by 2006PSDSD; 12-12-2006 at 11:47 AM.
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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?
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  #5  
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.
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  #6  
Old 12-12-2006, 11:50 AM
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Quote:
Originally Posted by CHenry View Post
Yep, it won't hurt it.
The 4WD will disengage?
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  #7  
Old 12-12-2006, 11:51 AM
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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.
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  #8  
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
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  #9  
Old 12-12-2006, 11:54 AM
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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.
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  #10  
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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