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Dyno chart smoothing? Does it make a difference? See for yourself...

18545 Views 66 Replies 27 Participants Last post by  sjsche
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I read comments on here once in a while about how FocusSport likes to use a lot of smoothing on their dyno charts. Or how there is a big difference in smoothing from 3 to 5. Or from 1 to 5. Or from...you get the idea.

So why don't we just take a look for ourselves?

First example - Paul Haskew's 2.3 Turbo Duratec

Smoothing set at 1 - The LOWEST setting on dynojet software



Smoothing set at 2



Smothing set at 3



Smoothing set at 4



Smoothing set at 5 - The HIGHEST setting on dynojet software





Second example - FocusSport 2.3 Duratec project car

Smoothing set at 1 - The LOWEST setting on dynojet software



Smoothing set at 2



Smoothing set at 3



Smoothing set at 4



Smoothing set at 5 - The HIGHEST setting on dynojet software




Horsepower and Torque can change slightly with the different settings, but its not anything major. A dyno chart from a well sorted car with a good hardware and software package will look good at any setting. A chart from a car with a not so well sorted hardware and software package will look like it needs help at any setting.

So there it is, laid out flat for you to see. Now you can see for yourself how much of a difference each setting makes.
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Good info guys, thanks and keep up the good work, be yourselves, and above all be honest. Thanks again!
I'm driving the tank :lol:
FocusSportVP said:
In said case, I'd say the J&S was more primary than tertiary. There was NO ECU tuning provided, only fuel injector control. We're talking stock spark tables with low boost and enough fuel and the J&S to keep it from letting go. Personally, I don't like the way the J&S is being utilized, but I'm biased and much prefer full ECU tuning.
So does that mean that if a turbo'd car for example has full ECU tuning, you dont think a J&S is necessary? Or would it still be a worthwhile precaution?
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