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Originally Posted by Mike Up
Seems like there are some discrempancies in STOCK measurements.
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Group 1
titan929rr 256.43 Hp & 289.99 ft/lbs Torque
JetTech 256 Hp & 301 ft/lbs Torque
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I believe group 1's findings are more accurate as group 2's findings in stock form are higher than many people's "mods" findings.
So I'm thinking driveline loss is really about 25%. Based on group 1's flywheel averaged power, that would be 341 Hp (similar to Hemi's rating) and 394 ft/lbs of Torque. I'm betting this is really our truck's "true" ratings compared to Nissan's under rated specs.
Have a good one.
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I believe the above is correct as the Hemi is rated at 345 Hp and 375 ft/lbs of torque. A performance modification site has the Hemi dynoed almost the same as Group 1's findings. The Hemi dynoed at 261 Hp & 288 ft/lbs Torque. See
here.
I truly now believe are 'true' ratings are 341 Hp & 394 ft/lbs Torque and there is a 25% driveline loss.
Thanks guys for the good information on the compilation.
Have a good one.