Brake stands?? 4x4 Launch?? - Ford Powerstroke Diesel Forum
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Old 07-13-2009, 07:56 AM
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Brake stands?? 4x4 Launch??

Ok..first off I don't street race or do anything for attention while I'm out and about (wish I had my old train horns). But sometimes just for the hell of it I like to get on the go pedal. I'm a Mustang nut and have owned/raced my fair share (5 stangs). I wasn't really worried about the abuse these cars could take but am concerned about stuff like this in my truck. I read the race forum on here and it piqued my curiousity just how safe it was to do a brake stand or launch while in 4x4, how safe is it to go (MPH) in 4x4 hi? My truck is all stock w/ 160k miles. I'd like to do a tuner (SCT) but scared I'll break the thing.

B.
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Old 07-13-2009, 01:42 PM
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Good luck with a 4wd brake stand. Mainly I would wory about axle wrap it can kill ujoints, tcasees, ale yokes etc.
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Old 07-13-2009, 02:38 PM
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Who would do a 4wd brake stand (as in spinning the tires, in a truck)? So everything I've read about people drag racing and getting the jump by using 4x4 is a bad idea. Gotcha!
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Old 07-13-2009, 03:24 PM
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A lot of guys do boosted launches in 4x4, and all will run the 1/4 mile runs in 4x4 high. There are a lot of trucks on here with a lot more power than just an SCT provides running 4x4 launches every weekend without issue...
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Old 07-13-2009, 03:31 PM
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nothing wrong with boosting in 4x4 and running a quarter mile in 4x4 high... I went to the track 2 days ago and spun all 4 tires about 75ft down the track then caught and went. ( i boosted to high i think)....As long as you dont boost at any crazy numbers your ok... I think the max ive gone was 25 pounds but that even spun the tires a little...you will be ok just remember....ford built tough thats what i say anyway while going down the track haha
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Old 07-13-2009, 03:43 PM
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Originally Posted by BLKF250 View Post
nothing wrong with boosting in 4x4 and running a quarter mile in 4x4 high... I went to the track 2 days ago and spun all 4 tires about 75ft down the track then caught and went. ( i boosted to high i think)....As long as you dont boost at any crazy numbers your ok... I think the max ive gone was 25 pounds but that even spun the tires a little...you will be ok just remember....ford built tough thats what i say anyway while going down the track haha
yeah ok
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Old 07-13-2009, 04:11 PM
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I've only done 2 boosted launches and only 1 real hard one(15psi) and dear god you better hang on!

I had an 03 Cobra so i'm not new to horsepower, but when it chirped all 4 tires and took off it was INSANE. I wasnt worried about breaking anything either, just try it and see what happens, if it breaks that means it needed an upgrade!
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Old 07-13-2009, 05:27 PM
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yeah ok
You drive a 7.3, therefore, I can understand why you do not beleive him. But I have 35's and have luanched at 15 psi and spun all 4 tires for a good 10-15 feet.
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Old 07-13-2009, 05:33 PM
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Launch between 12 and 15 PSI. Once you hit 15, you'll just burn all 4 tires until you back off. It's a real kick in the arse if you get a little over 12.

I've done it a bunch of times on extreme tunes and never hurt anything yet. Of course, I'll be saying that until the trans drops out the bottom of the truck. LOL
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Old 07-13-2009, 05:43 PM
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in a less than sober state, i launched against my buddy's 05 Jeep Grand Cherokee w/ Hemi (AWD). I didn't get out and lock in the hubs manually (heat of the moment), I just flipped the switch on the dash to 4wd High, boosted it up, and went.

this was a bad idea, as the next time i went to manually lock the hubs in, I could barely twist them. I have a feeling my fronts are now permenantly locked in....

I should also mention I'm running a Bully Dog Tuner, intake, and straight piped exhaust with 35's on my stock 18s.

damn it
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