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Originally Posted by JackG
Actually, later bismoto posted that he repeated the dyno pulls, alternately putting the snorkel in and out, and said that he got the same results.
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Hi,
If he didn't alter his methodology, that's not surprising. His original description left enough error on the table (and I mentioned just some of the ways error was/could be introduced) to make such a small reported increase inconclusive.
Again, the type of Dyno (DynoPak) he has is only really useful as a dynamic tuning tool, just like a Rolling Road, despite his claims to the contrary.
People flock to a Tuner or Aftermarket Supplier who claims Dyno results like Sailors on Liberty flock to Bordellos.
There are so many ways errors can be introduced, sometimes even unbeknownst to the operator. What is the Brake setting? How does the Software make it's corrections, Weather, Fuel Quality, and on and on.
Now, if the reported increases were beyond the probability of error, say 50 HP, I wouldn't be so adament.
But, he reported increases which were well below the possible error. He may have gotten a 5 HP increase, but that would be better expressed as 5 HP ± 15 or so HP (possibility of error) . That's a totally different thing...
Happy Motoring!... Jim'99