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Author Topic: Need help determining Hp rating on 6v92 through serial number  (Read 591 times)
RickB
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81 MCI 9 smooth side 8V71 Allison 754




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« on: December 04, 2012, 04:21:28 PM »

Hey guys,

6VF178753

I'm hoping this is a 330 hp rig.

let me know

Rick
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I will drive my Detroit hard... I will drive my Detroit hard.
Geoff
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« Reply #1 on: December 04, 2012, 04:30:44 PM »

You need to pull off a valve cover and see what injectors are in it.  There will be a round tag on the right front of each injector which tells you the size is which is one of the clues to tell you your horsepower.  The serial number is worthless after it leaves the factory, unless you know nobody has made any changes. 

If everything is the same as the day it was born 330HP is a good guess for a highway coach unless is was built for transit use which would set it back to 277HP.
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Geoff
'82 RTS AZ
luvrbus
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« Reply #2 on: December 04, 2012, 07:59:12 PM »

Rick, 22 years ago it was a 300hp, 975# of torque no telling now without pulling the valve cover and see what injectors and the turbo number you are 2 cylinders short there buddy lol

Good luck
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