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Forrest's 12 valve Cummins

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Uploaded by on Feb 5, 2007

12 valve Cummins on the dyno.

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Autos & Vehicles

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Uploader Comments (tgeerdes)

  • yup.. it is

Top Comments

  • start your car in a closed garage and see how long you live sonny(about three to four hours) start that twelve valve up and see how long you live (about three to four days before you start to dehydrate)

  • smithy is right motherfucker.So you should shut the fuck up.You should learn more about diesels before you open your mouth again ignorent fuck.

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All Comments (39)

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  • @pleco652 6.0 is a pretty solid motor get it studded and egr delete and its ready to go. so far ive no problem at all with mine. and honestly i like it. and its coming from a guy who sold an 96 12 valve 440k,XXX miles on it to get it.

  • what cummins do you find better the 24v or the 12v?

  • @travissaxton afc (air to fuel control) adjusts the air to fuel ratio so you can tune the truck to blow more or less smoke (depending on size of turbo and injectors, you might want it to dump as much fuel as possible to get high dyno numbers)

  • @TheNeckasaurus What is this AFC tune?

  • If only everyone knew that a simple afc tune would make their truck run like a bat outta hell and not smoke like a fire. This is a perfect example, everyone thinks a fast diesel HAS to spew smoke, when in reality (and in the case of 12v's) a tuned afc gives you power and keeps states from passing more stupid laws! Beautiful truck

  • @nortonsecurity4

    thats why dodge gas trucks have more torque then others, and the diesels dont have many problems unlike the 6.0 powerstroke which is a fat piece of shit excuse for a motor.

  • put that rodeo on there lol

  • That is a really good looking truck.

  • @n4jnw Clutch slipped... dyno operator was trying to help me load it, and he hit the brake on the dyno twice and it got on boost too low and blew through the clutch. There's another vid on here of the 535hp pull

  • @dieselracer2010  actually from Dallas, but I live in Alvin :)

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