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1st dyno of S369sxe 4.8

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Old 11-01-2017, 10:28 AM
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Vertical axes don't line up.
If the torque is right, then the HP is low by 75 or so.....
Beautiful torque curve, truck must be REALLY fun to drive.
. At only 4250 pounds, I'd bet traction management is the hardest part of running that on the street. What size tire you have out back ?
Old 11-01-2017, 11:31 AM
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Originally Posted by Fullpower
Vertical axes don't line up.
If the torque is right, then the HP is low by 75 or so.....
Beautiful torque curve, truck must be REALLY fun to drive.
. At only 4250 pounds, I'd bet traction management is the hardest part of running that on the street. What size tire you have out back ?
It is a blast. I run mickey et street Rs on street. 28 x 11 17s. It will still spin from 60. Run Hoosier 28 x 10 slicks on 16" rims at track. Just converted rear brakes to run a 15 though.
Old 11-01-2017, 02:11 PM
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Originally Posted by fastjweb
I thought around 22%, but I could be wrong
If you go by NHRA factorung... 10.39 / 5.825 = 1.7837, 1.7837 X 1.7837 X 1.7837 = 5.675, 4250 kbs / 5.675 = roughly 750 flywheel HP. This works only if all the planets are aligned... efficient converter, dead hooks, etc.

22% drivetrain loss would be about 585 RWHP... not sure if this can accurately be applied to turbo vehicles .



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