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has anyone tried a twin turbo on a 7.3?

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Old 06-25-2005, 10:00 AM
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has anyone tried a twin turbo on a 7.3?

i've got some work trucks i'm working on and currently they have singular turbo's on them.i'm wondering if anyone has pulled a twin turbo setup that actually works?if anyone has done it i'd like to see some photos and diagrams to see how to run it.
 
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Old 06-25-2005, 12:13 PM
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theres some guys that have done it over at tds, there workin out great too, ill find the links on it
 
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Old 06-25-2005, 12:46 PM
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www.dzljim.com
http://www.dzljim.com/images/F-350_pics/Stage3/Count'em.jpg
 

Last edited by Kwikkordead; 06-25-2005 at 12:49 PM.
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Old 06-25-2005, 12:50 PM
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Notice that he has one of the intake pipes chained into place? That's some SERIOUS boost!
 
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Old 06-25-2005, 01:42 PM
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Well heck, looks like the 6637 is good enuf for him!

Hwy Kwik, he must have read your 6637 posts!
 
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Old 06-25-2005, 08:08 PM
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Am I missing something or seeing something different. Is that a triple turbo set-up? 2 on top and the other one in the stock location?????


2000 F-250 7.3L, CC 4x4, 4" turbo back exhaust, Tymar intake, 6 position flip chip, Wicked Wheel, Overboost eliminator, CCV mod and much more.
 
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Old 06-25-2005, 08:09 PM
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No you are not getting cross-eyed. That really is three turbos there.
 
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Old 06-26-2005, 12:57 PM
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Ryan Bean @ beansdieselperformance.com also has a truck that is twinned.

luke
 
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Old 06-26-2005, 01:13 PM
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Hmm. Triple sequential turbochargers - and no visible intercooler. The intake temperature must be pretty high... Then again, maybe the intercooler pipes are just not visible in this photo.
 
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Old 06-26-2005, 07:12 PM
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Some shaved pistons to keep the C.P. in check, coated everything, and ALOT of air. I dont think he has to much of an EGT problem though. must not be a real hot program. I think he is still having problems with it though. Oh yea, stock head gaskets, head studs. and no fire rings. no I.C. either. last I talked to him he was getting 60+ psi, and he didnt know an exact number cuz the gauge only went to 60*

must be rough to have such toys.

Beans truck it pretty cool too. I dont know what all he has, never talked to him, just seen pics.

Diesel Rod
 

Last edited by 444dieselrod; 06-26-2005 at 07:20 PM.
  #11  
Old 06-27-2005, 08:25 AM
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Question

ok this kind of answers my question.the trucks i'm using have 4" radiators with the intercoolers behind them,they are completely seperate items when they are installed,similiar to what is on some volvo cars that sport a turbo and a intercooler to match.is it possible to run the twin setup with what i'm mentioning with these trucks?
 
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Old 06-28-2005, 06:47 PM
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I don't see why it isn't possible. I doubt that the intercooler, or the boots would handle 60+ psi of boost though. If you just wanna do it for looks and keep the boost #'s low then I don't see any reason why it wouldn't work.

a cowl hood will prolly be a must though, with the intercooler piping being in the way of where the second turbo usually goes.

What year are these work trucks anyway??? and who lets someone twin a work truck??? sound like you have the job that I want.

Diesel Rod
 
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Old 06-29-2005, 08:16 AM
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ok they are '98's and '99's.they are pretty much dump trucks and are used in strip mines and rock quarries.some times they are loaded beyond normal capacity and need that extra power to run an up hill climb.
 
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Old 06-29-2005, 09:10 AM
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Originally Posted by falcor1
ok they are '98's and '99's.they are pretty much dump trucks and are used in strip mines and rock quarries.some times they are loaded beyond normal capacity and need that extra power to run an up hill climb.
Sounds like what you really need is the 5.38 rear end. That would be a better solution than trying to run more power through the drivetrain. Axle code 95 for normal or K5 for the limited slip.
 
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Old 07-05-2005, 09:35 AM
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these trucks are already in the high 5.00's and are sliding backwards on hills and the roads leading out of the mines.the only reason these trucks are in use in these area's is because they are smaller than their larger cousins and fitting into some tight spots.one truck started off as a flat bed wrecker and went into the shop for a complete work over and serious modifications.it came out as a 6x6,with a caterpillar 636 under the hood and a 6 speed stick shift tranny.it's sporting a twin setup and the intercooler.the intercooler has it's intakes on it's sides near to where the turbo's tubing would be shortest and the output to the engine is on the top of the intercooler and just goes to the top of the intake manifold.the trucks i'm working on are getting serviced every 2 months and getting new tires every 6 months.the tires currently asked for by the owner of the trucks are the firestone super traction duplex.they are alright but i keep insisting on a different style of tires for safety sake.anyways any additional input from you guys would help.
 


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