highest 7.3 hp numbers - Ford Powerstroke Diesel Forum
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post #1 of 26 Old 07-12-2007, 02:27 PM Thread Starter
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highest 7.3 hp numbers

just curious to know whats the most horsepower dynod out of a 7.3?

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post #2 of 26 Old 07-12-2007, 03:09 PM
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I THINK it's somewhere around 800-900....not sure though. If you drop $60-70K into it....I'm sure you can push 1000+ out of it...expecially with the new Common Rail rumors floating around. If your looking to build the biggest and baddest 7.3L, go through everyone's website and order the most expencive parts you can find. Ohh...also plan for Twins.


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post #3 of 26 Old 07-12-2007, 03:21 PM Thread Starter
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just wanted to know what kind of hp numbers a 7.3 would max out at

99.5 F-250 4X4 LARIAT
35IN. BFG KM2s
2.5 IN. LEVELING KIT
AEM AIR INTAKE
TS CHIP (TUNED BY MATT @ GEARHEAD)
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CSE FAB SINGLE BLACK 8IN. SLASH CUT STACK
CCV MOD
CSE PRE PUMP KIT
TRANNY COOLER WITH FAN
CSE FAB PORTED EXHAUST FLANGE
TIM MOYE TRANSMISSION
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post #4 of 26 Old 07-12-2007, 03:51 PM
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I'm sure you can push 1000+ out of it...expecially with the new Common Rail rumors floating around.

I have not heard that, is it just a system you can put on a 7.3?

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post #5 of 26 Old 07-12-2007, 05:03 PM
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As far as I know...it's going to be a bolt on kit like Big Oil and injectors. It's probably going to be CRAZY expensive but if you want the big numbers...it'll probably be nessesary. Think of a V8 Cummins with 7.3 liters!!!!

This is all specualtion, b/c everyone who is working on a kit is being really tight lipped about it.


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Current Best: 16.149@84.13MPH (Est.7800lbs)
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post #6 of 26 Old 07-12-2007, 05:10 PM
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That sounds interesting, i cant wait to see someone get it going.

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post #7 of 26 Old 07-12-2007, 05:24 PM
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Dockboy was the highest HP 7.3 last I heard... at 725 on Nos... But he is going CR 5.9 now...

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post #8 of 26 Old 07-12-2007, 05:28 PM
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i know this doesnt answer the question but i am really shocked that this BIG engine cant pull some HUGE numbers. i know that its 444ci and i have seen 454ci chevy big blocks with carbeurators pull bigger hp numbers with less money... i was just suprised when i heard that 500 was a feat.

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post #9 of 26 Old 07-12-2007, 05:30 PM
Is it even worth it???



 
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Actually, Joe is basically right, with Dockboy. That's the highest number I've heard of on a dyno. Snow White and Elmo haven't dyno'd that I know of.

There is a 7.3 based engine that has gone over 1500, though. Ben Miller's Double Overtime pulling truck powerplant. Not a lot left of the original though, it's been converted to mechanical injection, has two huge turbos, and lots of other work. Rumored cost was $150K, and it's nowhere even close to having the manners needed to use on the street.

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post #10 of 26 Old 07-12-2007, 05:53 PM
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Displacement doesn't always = Cheap/Easy Power.
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