need stacks? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 7 (permalink) Old 03-16-2008, 01:03 AM Thread Starter
 
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need stacks?

I dont know anything really about sled pulls. ive heard from someone that you have to have a stack so you dont smoke out the crowd... is that true? obviously depends on who's hosting the event but i dont want to put stacks on to pull
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post #2 of 7 (permalink) Old 03-16-2008, 01:13 AM
 
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The rules almost always require that the exhaust exit straight up. You could put an elbow on the tailpipe for pulling. Not sure what they think about stacks like bull haulers or turnouts since it specifies straight up :shrug:
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post #3 of 7 (permalink) Old 03-16-2008, 01:19 AM
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Most of the time you just have to have the exit of the exhaust up in the air or straight down towards the ground... This usually has to do w/ something coming apart and parts coming out of the exhaust pipe and shooting into the crowd...

Aaron - 2004 F350 "Offroad Edition"

2003 F250 "Pulling Truck"
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post #4 of 7 (permalink) Old 03-16-2008, 06:27 AM Thread Starter
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allright thanks for the info! mabye i might just take one through my hood but i dont know about being street legal in utah...
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post #5 of 7 (permalink) Old 03-16-2008, 05:08 PM
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put an elbow on your tailpipe and take it off when your done.

2005 GMC 2500HD 4x4 DMax ZF-6
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post #6 of 7 (permalink) Old 03-16-2008, 06:29 PM
 
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Depending on what class you want to pull in you may need two 3/8 bolts in a cross pattern on the downpipe. And I believe hood stacks are only allowed in the modified, and Pro Mod classes, in the 2.8 and lower classes it is banned. Check out the rules for your class/area
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post #7 of 7 (permalink) Old 03-18-2008, 06:11 PM
 
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i agree Dual K20s most class want cross bolts in the down pips the exhaust must exhaust toward the sky incase the turbo explodes pieces can come out the exhist even if u run a full exhaust that is why they ask to a tip turned up toward the sky keep pieces away from the fans plus keeps the smoke away from the fans 2
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