Help Me Build A Huge HP 12valve - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 45 (permalink) Old 02-23-2008, 02:39 AM Thread Starter
 
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Help Me Build A Huge HP 12valve

Im trying to learn as much as I can as fast as possible. So be patient and only tell me what u KNOW I really dont want opinions. Thanks. I want to put a '94 12 valve in my '95 F-350 with a five speed. I need some proven combinations to make as close to 800hp as possible with a single turbo. And I don't want to use spray. Like i said i'm learning so go easy on the abbreviations and the slang. I appreciate all of your help.
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post #2 of 45 (permalink) Old 02-23-2008, 03:07 AM
 
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well if this is a daily driver its going to be hard to get 800 on a single and still have it streetable
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post #3 of 45 (permalink) Old 02-23-2008, 05:59 AM
 
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Not going to happen without melting the 12 Valve.
500 hp is a very hot street 12v.

If you want 800hp on the street you need a common rail.

In a few weeks I will be over 800 so stay tuned...I am not sure how drivable or livable it will be.

Will keep you posted if you like
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post #4 of 45 (permalink) Old 02-23-2008, 08:09 AM
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I wouldn't say impossible, but I don't think it would be very street friendly. Sounds like you're going to build a puller though and are restricted to a single charger by regulations. Is this the case? Its important to know what you're using it for. Also, what kind of budget are we talking about here?

For 800hp on fuel with a single. I would say a 13mm pump that has been put on a flow table and tuned out of the truck. I don't think you could squeeze that kind of power out of a pump with 12mm Barrels and Plungers. A good set of injectors will also be required. DDP4's or F1 Mach 4's or something of that nature. You will also need to stud and o-ring the engine as well. You will have to turn some pretty high RPM to get up there, are there any limits on what RPM you can run. A fuel system, Cam and Valve springs should probably all be on your list too.
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post #5 of 45 (permalink) Old 02-23-2008, 03:45 PM
 
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I'm not sure you could keep it streetable with only a single. As far as the fueling end of it, DDP4 or New Era 435 injectors, bigger injector lines, bench flowed pump, probly 5K governor springs, 20* timing, and a FASS. Then stud, O ring, and Marine gasket the heads, 60 psi valve springs, bigger cam, ported head, bigger intercooler and boost lines, 5" exhaust, and gauges. If you do go twins (which is highly reccomended) a 62/71/16 over a BHT3B or bigger would be good. If you must have a single, I think Garret makes 80 and 88mm turbos.
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post #6 of 45 (permalink) Old 02-23-2008, 07:51 PM
 
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Quote:
Originally Posted by Smokin07
Not going to happen without melting the 12 Valve.
500 hp is a very hot street 12v.

If you want 800hp on the street you need a common rail.

In a few weeks I will be over 800 so stay tuned...I am not sure how drivable or livable it will be.

Will keep you posted if you like

I think you need to talk to some 12 valve guys. There are a lot of them with more than 500hp in there daily drivers. Heck Maddog's 1200hp 12 valve can be his daily driver and his little turbo is bigger than the big turbo in most sets of twins.
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post #7 of 45 (permalink) Old 02-23-2008, 08:48 PM Thread Starter
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I dont plan on it being a full time dd but maybe a friday night test driver. ATS or industrial inj. said the maybe could help me build it but they say i will need a second turbo for street. hey thank and post a picture of that mack
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post #8 of 45 (permalink) Old 02-23-2008, 09:00 PM Thread Starter
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Ya thats what i want is a puller and a friday night muscle car/truck. I still own a dd stroke but building a competitive one of those is way out of the buget. Thanks your info is just what i was lookin 4. Buget ='s what ever we can beg borrow or steal after we get the mook up done and a body to cover it. But i only intend to do it right. thanks go easy on your ol '94
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post #9 of 45 (permalink) Old 02-23-2008, 09:05 PM Thread Starter
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I know your right streetable is almost impossible but it will be fun next small cars thanks for the advice. You feel my pain, you apparently didnt want to buy a new trk and a programmer to make smoke you wanted to build it.
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post #10 of 45 (permalink) Old 02-23-2008, 09:10 PM Thread Starter
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Keep me posted on your 800+hp. And if you have and places to look for set ups similar to Mad Dog's let me know thats kinda my inspiration i guess and i want smoke from dirty hands and a empty pocket not just and empty pocket. THANKS Again.
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