Dynoed 359.8 HP - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 20 (permalink) Old 06-14-2009, 01:16 PM Thread Starter
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Dynoed 359.8 HP

I went to a local dyno day and put it on the rollers I had the free spartan ultra comp on it It did 359.8 hp no torque cause it had no pickup. i think uncorrected can't really figure it out if it was or not i am hopping not, It was a dynojet. the operator said he couldn't get a good graph cause he had to run it in OD did like 130 mph. It was only me and a 12v (368 hp )that were there for the diesels rest were gas jobs. was hopping for more most say 400hp with the sct so maybe i will have to call eric at ID and get his tune.

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2003 F-350 Crew Dually 4x4 Auto Cold air intake Silverline stainless 4" turbo back SCT erics x-race,x-street, tow
195k runs good
359.8 hp 6-13-09
14.9-91 mph 7-10-09

1995 CC F-350 292,456 miles auto 4x4 4.10 gears
Intake 4" exhaust 160 cc injectors gauges IDM mod ts redone by "TW" 6 pos
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post #2 of 20 (permalink) Old 06-14-2009, 01:26 PM
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Yeah seems really low cause these 6L's in stock form are around 275-280hp at the rear wheels. So by the dyno reading, that means you only gained about 80-85 more hp...that don't seem right. I'm guessing he didn't really know how to run the dyno for a diesel.

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post #3 of 20 (permalink) Old 06-14-2009, 02:16 PM
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you might want to give a call to one of the tuning venders,I been on the dyno with a Hyper-tec on the fly and did 377 hp and 724 tq, I havn't tried it with the sct custome tunes yet, But the seat of pants feel is alot stronger with the custome tunes.Just remember the same tunes will act diffrent in other trucks.

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post #4 of 20 (permalink) Old 06-14-2009, 02:38 PM
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How does the tune feel? If it feels good it might just be the dyno operator and I'd just write it off as that. I had that happen to me my first time I dynoed I hit under 300 with my extreme tune. And a month later hit 403 and 700 with a bad y pipe, blown gaskets, and a plugged fuel filter. I'd suggest going elsewhere with someone that has experience with diesels.

2004 F350 Built by Ford fixed by PDR Diesel, Xtreme tuned by InnovativeDiesel, gauges by ISSPRO
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post #5 of 20 (permalink) Old 06-14-2009, 02:47 PM Thread Starter
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well I will go to a diesel shop that has a dyno and get it done there if i get some more mods but for $20 thought i would give it a try It feels good on the street pulls hard. Didn't seem to load it good cause on the street it will roll black alot longer then it did on the dyno

New horse
2003 F-350 Crew Dually 4x4 Auto Cold air intake Silverline stainless 4" turbo back SCT erics x-race,x-street, tow
195k runs good
359.8 hp 6-13-09
14.9-91 mph 7-10-09

1995 CC F-350 292,456 miles auto 4x4 4.10 gears
Intake 4" exhaust 160 cc injectors gauges IDM mod ts redone by "TW" 6 pos
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post #6 of 20 (permalink) Old 06-15-2009, 02:28 AM
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Try another dyno & operator. Loading up a turbocharged vehicle properly makes all the difference in the world on the dyno.

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post #7 of 20 (permalink) Old 06-15-2009, 03:41 AM
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something definitely isn't right...

I hit 405hp 786tq on a extreme track file, 41" tires, 4" exhaust...

you should be around 400-420hp



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TIRES AND WHEELS- 41" IROK Super Swampers, 20 x 10 AR Mojave Teflon-STEERING UPGRADE- Donahoe Racing Dual Stabilizers -FRONT SUSPENSION- Donahoe Racing 4.5" lift -REAR SUSPENSION- 6" Procomp Springs, Farmboy Fabrications Custom Traction Bars-FRONT AXLE UPGRADES- ARB Air locker/ 4.56 Precision Gears -REAR AXLE UPGRADES- ARB Air Locker/ 4.56 Precision Gears -ENGINE UPGRADES -SCT XCAL II w/ Extreme track file- ARP Headstuds - TRUSTED PERFORMANCE Stage II fuel and Oil system - ACCUFAB Intake Elbow - AFE Stage II Intake - MBRP Turbo back Stainless Steel Exhaust - MERLIN controls SPEED WIZARD-TRANSMISSION UPGRADES- Southbend 550+ HP Clutch -INTERIOR MODS-Gauge Works Quad A-pillar pod - Autometer Cobalt Series Gauges Pyro, Boost, Tranny - Cobra Inverter Remote Switch - Cobra Limited Edition Harley Davidson CB - Python Custom alarm system, wired into train horns - Hi-Lift Extreme jack w/ off road base -10,000 watt inverter - 15 gallons of air - Porter Cable 115 volt, 2.5hp Air Compressor - Rhino....Bed liner - EXTERIOR MODS- Harley Heads & Smoked tails- Crown SS braided Brake Lines -Custom Fabricated Front Bumper/ Brushguard w/ Custom Herculiner - (2) 8" Procomp Spotlights -(2) 5" Procomp Spotlights - (2) 5"Procomp Fluted lights - (2) 12 ton Recovery Shackles - Custom Fabricated Safari Rack w/ Custom Herculiner - (8 ) 3" x 5" Procomp Fluted lights - Grover...Triple Train Horns - Wilson 4' Fiberglass CB antenna - Stealth Bulbs Chrome signal bulbs - Dominator...Cowl Hood - Custom Herculined Rocker panels - AMP Research Powersteps - Bushwacker Cut-out Fender Flares - Ventshades - LEER Bed cap - Recon Line of Fire, rear light bar,...and a couple other things
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post #8 of 20 (permalink) Old 06-15-2009, 03:52 AM
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have a fuel pressure test done. That's exactly what my numbers were with tune only when my fuel pump was not keeping up. I am starting to find that to be pretty common to these trucks.

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post #9 of 20 (permalink) Old 06-17-2009, 07:13 AM
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Yeah, something seems off, I dynoed on Saturday with Spartans Ultra Comp, and got 404.4 hp and 889.5 FtLb That's with 38" tires.

The truck has a 4" exhaust, Banks Technicooler and Elbow, Trusted Performance Stage 2 fuel system, ARP studs, EGR delete, and CCV relocate.

2005 F250 CC SB FX4
8" lift; 38.5" Procomps; ARP Headstuds; Banks Intercooler and High Ram Elbow; 4" Exhaust; SCT with custom tunes by Tony Wildman; Isspro Performax guages; '08 TT mirrors; Bushwacker Pocket Style Flares; Recon somked cab and mirror lights; Frontier front bumper replacement; AMP Research power runnning boards; Fabtech floating traction bars

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post #10 of 20 (permalink) Old 06-21-2009, 11:13 PM
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i made 401hp with the mods in my sig


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2003 F-250 Reg. cab, long bed, FX4, 6.0 Powerstroke, 6-speed manual

585 HP 1,251 FtLb

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Superlift leveling kit w/ 2" lift blocks in the back, 20x10 XD Diesels, 35x13.50x20 Cooper STTs
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