Put it on the dyno - Ford Powerstroke Diesel Forum
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post #1 of 15 Old 10-10-2009, 09:21 PM Thread Starter
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Put it on the dyno

well put the truck up on the dyno today..have to say was kind of a waste of money.. 1st run, truck shifted down twice: 437hp 710ft/lbs.. 2nd run..ramped the recording speed to 65.. ran through the band pretty good, but for some reason it ran through the band hit 100MPH then sounded like it shifted again 404hp 698ft/lbs third run.. same as second..ran tow/haul got it in highest gear..eased into it under load, ran through the band and then it shifted up again..not sure where this mystery gear is coming from!! same:404hp 700ft/lbs.. the Hp was where i expected but torque was low IMO..

The guys running the dyno where great to work with but they usually dyno street cars so the diesels where throwing them off pretty good.. most of the numbers just didnt make much sense. there was an 03 f350 up there.. i think he was running intake, 5" turb back, and some chip ( i forget what it was)and a few bolt ons.. i think the poor guys best was 298hp & 440ft/lb.. that cant be right..i dont know how a tuned truck runs lower numbers than it should stock!! the guy running the dyno simply said our trannies were just too smart for the dyno..coudnt get a solid run it..oh..another good one..5.9 cummins with twins..built!! i was told the truck was put together very well.. his best was 640hp & 621ft/lbs....What? another cummins ran 666hp & 1350+- a few ft/lbs

overall it was a fun gathering, That Cummins Vette was sweet to watch!!!!

09 F450 CC LB lariat 6.4 black on black 23k miles, stock.. (For now)...


97 F250 SC LB 4x4 7.3 05 Superduty axels, 18" King Ranch Rims, "under the knife"

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post #2 of 15 Old 10-11-2009, 01:25 PM
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Yeah, when I put my truck on the dyno I was pretty disappointed to say the least. On the dyno my truck did 350hp and 9xx tq. I typed into a calculator on line what I ran at the strip and my trucks weight and it came up with 432hp at the wheels. I have found that you can put your truck on numerous different dyno's and come up with a different number each time. IDK what your truck weighs, but with what your ET says in your sig, you should be pretty close to the numbers you ran.

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post #3 of 15 Old 10-15-2009, 04:16 PM
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yea i was bumed out pretty good also mine dynoed at 370 and 630 one time then the next time it was like 260 and 400 the operator said my truck was defueilng or something :dunno

2003 F350 Lariet Leveling kit eagle 197s MBRP stainless tb to 6" stack Sinister coolant kit Sct with Looney and Innovative High Idle fog light and bright box mod soon to come Edge CTS PHP ficm tuning and Cab lights
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post #4 of 15 Old 10-15-2009, 08:28 PM
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I just want 1000 lbs of torque how hard do you think that would be to get to? 437hp and 710tq is pretty good considering you just have intake, exhaust and tune.

06' F-250 CC SRW 4x4, 8" fabtech lift, bilstien 5100 shocks, 4" TB MBRP cat free, 2 JL audio 10" W0, 20x12 Weld Cheyenne 8, 35x13.50x20 Mickey Thompson Baja ATZ

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post #5 of 15 Old 10-16-2009, 08:42 AM
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1000Tq, your gonna be looking into head studs, injectors 190cc - 215cc, VGT-SS or HO, or Non VGT 64mm or 66mm. Trans upgrades, fuel systems.

Matt at Gearhead,Doug at GoGo,Dave at Diesel Innovations,Ryan at Full Force Diesel,Eric at Innovative. Adam at First Coast

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post #6 of 15 Old 10-16-2009, 09:11 AM
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Thats a lot $$ I guess I better start saving lol. First things first, studs, EGR delete, guages and SCT. I already have the 4" TB

06' F-250 CC SRW 4x4, 8" fabtech lift, bilstien 5100 shocks, 4" TB MBRP cat free, 2 JL audio 10" W0, 20x12 Weld Cheyenne 8, 35x13.50x20 Mickey Thompson Baja ATZ

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post #7 of 15 Old 10-16-2009, 05:05 PM Thread Starter
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Quote:
Originally Posted by elm302 View Post
yea i was bumed out pretty good also mine dynoed at 370 and 630 one time then the next time it was like 260 and 400 the operator said my truck was defueilng or something :dunno

yeah i dynoed 67hp 80lb/ft more than your truck, yet your crew cab is running a pinch faster 1/4 et than my single cab, Dynos are junk, waist of time and money.

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97 F250 SC LB 4x4 7.3 05 Superduty axels, 18" King Ranch Rims, "under the knife"

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post #8 of 15 Old 10-16-2009, 05:11 PM
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OP- for your mods, your numbers are pretty close. I have seen some other tuners squeeze out a bit more on HP, but the "trannies are smarter than the dyno" is a pure BS comment. it shows that the operator doesnt know how to operate his stuff plain and simple. for your run, I'd say thats pretty close.

Nick
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post #9 of 15 Old 10-16-2009, 05:21 PM
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6.0s always seem to be lower on the torque compared to hp ratio.

Nick, BPS Historian
1995 F-250 4x4 7.3 Powerstroke
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post #10 of 15 Old 10-16-2009, 05:22 PM
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Quote:
Originally Posted by hypersnyper694788 View Post
I just want 1000 lbs of torque how hard do you think that would be to get to? 437hp and 710tq is pretty good considering you just have intake, exhaust and tune.
6.4 and Spartan you would be there way easy. Sorry I had too

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