I do a small burnout if I can't avoid the water box, then click 4hi on, T/H mode, and turn OD off if its 1/8th mile. Roll in and light my pre-stage lights, bring it up on boost to about 15 psi, then creep into stage lights, as soon as I see the third amber I let off the brake and nail it. I run 30 psi front, 25 psi rear running Nitto highway terrains in 325/60R18.
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I leave at about 30psi boost and tires are at 40 around the truck. I used to click it out of 4wd just after the 60', but now I have to drive the truck a little more, so I take it out once I finish so it's easier to turn off the track. If your doing boosted launches with a factory output it will last till right around 500hp and then it will snap
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What gear do you guys take off in on the track with a 5 or 6 speed? I have a 5 speed and I rarely use first even when daily driving. We also have a 6 speed and im thinking of taking it to the track but i heard from someone that you can take off in third as quick as you can in 2nd on a 5 speed? Just wondering. Would try it but dads getting some head work done :tu:
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Originally Posted by 24v'd_Fury
(Post 354258)
Do I take it outta 4 wheel drive after I launch or just leave it?
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i have only ran in the 1/8th i have tried a couple of different ways to launch. with an auto it will be easy to build boost for launch, with my 6 speed it is tricky and hard to get a consistant reaction time. i have launched in 3rd with my 6 speed but u have to build boost and have to drag the clutch to keep it from bogging. my best times came from no boost and 2500 rpm launch. i leave it is 4x4 all the way through the traps and it ran a best of 9.2
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Does the 48re have problems with the input shafts? Is it the 4wd launches that does it or is 2wd just as hard on em?
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spool it up and let it fly 4 wheel drive CAUTION you may break a inuput shaft if it is stock or a fexplate:rocking:
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lol 43 lbs of boost on a 62/80 turbo 4wd 3rd gear 6 speed.. 3.54's.. it went pop i went sh!t.. lol hey i got 2 output shafts for the price of one now.. lol...damn its fun watching the passengers face after u pin them to the seat and smoke all 4 tires off..
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Made consistent 14.2 passes launching in 2wd with 35" tires and I still spun one time. I have a built auto trans, but will the transfer case in these cummins trucks hold up with 4wd boost launches or at 100+MPH?
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Originally Posted by 24v'd_Fury
(Post 354258)
Do I take it outta 4 wheel drive after I launch or just leave it?
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