dynoed 490/945 - Ford Powerstroke Diesel Forum
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Old 09-26-2010, 12:24 PM
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dynoed 490/945

I dynoed my truck at the NHRDA worlds yesterday and all I got was 490, I was expecting alot more.

I ran 13.1 @101 and horsepower calculators say 561hp and I know Rescue dynoed 550 with 190s and a powermax.
there was a 6.4 with a spartan that only dynoed 485 before me, maybe something wasnt right.

here is the video, not as much smoke as on the track


Last edited by 06powerstroke06; 09-26-2010 at 12:35 PM.
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Old 09-26-2010, 12:39 PM
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I saw your truck out there yesterday sucks the rain kept coming down I couldnt make it out today
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Old 09-26-2010, 12:50 PM
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Yeah I was in the stageing lanes getting ready for my first elimination pass when it was moved to today. I couldnt be there today as well. kinda disappointing.
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Old 09-26-2010, 01:33 PM
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Wouldn't feel too bad. Seems like dyno #'s are all over the place for diesels. Depends on the operator. As long as it pulls strong and does what it wants you to do. That being said, it's always nice to have the #'s to back up to the $'s you spent. Don't know why it's so hard to get accurate #'s on a diesel, but it seems to be a problem with guys that are used to dyno-ing gassers
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Old 09-26-2010, 01:40 PM
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Who's tuning?
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Old 09-26-2010, 01:50 PM
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Jefferson state diesel is whos dyno it was. They were haveing problems with it a couple trucks before me and weren't going to run anymore then they fired it back up.

That was with Erics Xtreme race
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Old 09-26-2010, 02:17 PM
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Well its more than stock and running a 13 is good I would be happy.
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Old 09-26-2010, 03:42 PM
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Hmmmm, you seem to have the same issue that I have. Your dyno numbers don't match your track times/speeds. You seem to have the tq but the HP don't match it. The graph looks good... nice and smooth. I ran 101 mph@ 14.1...... You ran 101@ 13.1. That is nuts. I know I am just a 2wd but still. Our mods are fairly similar with exception to weight and injectors. Turbo is a little different on drive side. I am just talking out loud, trying to figure this out. Sorry, just an old lady rambling. LOL
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Old 09-26-2010, 03:47 PM
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Don't sweat the dyno. The track tells all... The track doesn't lie...
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Old 09-26-2010, 03:48 PM
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The times may be diffrent because I can launch better because of the 4wd. My 60' times are 1.8. I dont think 490hp would get 7900lbs down the track in 13.1 seconds
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