can any1 take a look at this dyno ????
Discussion in 'Trucks [ Eighteen Wheelers ]' started by mert, Jul 19, 2013.
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Ok. Now what?
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I don't know much about dyno reports but the torque seems to high compared to the hp. I think the formula is (torque x RPM)/5252. The 1st reading on the second page (5434.12 x 1573.5)/5252=1628.06 hp or (410.43hp x 5252)/1573.5RPM=1369.9 ft-lbs torque. What gear were you in? Mph sure is slow for that RPM.
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i wanna know if the parameters are ok for this type of truck , im bout to buy it !
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what rear end gear is in the truck
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3.55 sir with 285/r75 22.5 475hp as it states on the paper
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so your tq is 1650 not to bad hp is kinda low for a 475
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If its a C15 mxs or nxs the boost is low, should be in the 40psi area. Might explain why the hp levels are a bit low.
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Cummins isx
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The torque would be divided by the rear axle ratio to come up with the correct number at the ground. Then you need to calculate driveline loss to come up with flywheel torque. There are also other things to consider, was the engine fan on during this run? This will effect the final number more than most people would think.
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