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Originally Posted by Eddienel
(Post 4786231)
Is that the front of the crank or the back?(joking) Whatever it is I want one!
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Originally Posted by thirdchildhood
(Post 4786246)
Yep, it sure does. I looked in my 525 service manual and it also says 525 hp rated at crankshaft. Hmmm.
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The difference is due correction factors being different depending on the standard used.
Mercs are rated at a more conservative standard than your normal aftermarket Dyno shop. And that’s assuming the Dyno operator even uses those corrections properly. The difference is 4-7% I believe, I don’t remember exactly. A 565 likely makes 600 on a normal aftermarket engine Dyno test. |
Originally Posted by hogie roll
(Post 4786307)
The difference is due correction factors being different depending on the standard used.
Mercs are rated at a more conservative standard than your normal aftermarket Dyno shop. And that’s assuming the Dyno operator even uses those corrections properly. The difference is 4-7% I believe, I don’t remember exactly. A 565 likely makes 600 on a normal aftermarket engine Dyno test. |
I've heard Mercury takes the #8 spark plug wire off during dyno.....
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