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-   -   What's the cause (https://www.s2ki.com/forums/s2000-forced-induction-142/whats-cause-1219110/)

ek9child288 May 3, 2024 01:48 AM

What's the cause
 
Recently got a tune.

This was the result wondering why the tq chart is like this.

Stock motor.
​Aem fuel pump
650 cc rc injector
DC header
test pipe
Stock exhaust
comptech super charger w aftercooler
11lb pully
aem fpg
hondata kpro

ek9child288 May 3, 2024 01:49 AM

https://cimg7.ibsrv.net/gimg/www.s2k...709b6abdf9.jpg

RolanTHUNDER May 7, 2024 02:47 AM

Those curves are all over the place. Was smoothing applied to this dyno? How many runs were done?

turbojonn May 7, 2024 04:25 PM

Tire slip maybe?

ek9child288 May 9, 2024 05:16 AM


Originally Posted by RolanTHUNDER (Post 25062847)
Those curves are all over the place. Was smoothing applied to this dyno? How many runs were done?

5 runs were done. Im not sure if smoothing was done. How would I bring that up w the tuner?

ek9child288 May 9, 2024 05:17 AM


Originally Posted by turbojonn (Post 25062966)
Tire slip maybe?

it was a hub dyno

Chuck S May 9, 2024 05:38 AM

The engine is obviously old (they all are).. Used supercharger? How old? Belts? Pulleys?

Can you feel or hear this or does it only show up in the data?

-- Chuck

Accordinglytuned May 9, 2024 06:25 AM

They probably didn't apply a smoothing factor to the graph.

ek9child288 May 9, 2024 01:57 PM


Originally Posted by Chuck S (Post 25063218)
The engine is obviously old (they all are).. Used supercharger? How old? Belts? Pulleys?

Can you feel or hear this or does it only show up in the data?

-- Chuck

about 20k miles on the sc and pulley. Belt is new. Car has 75k miles.

Seem like data only. Cant or feel what the grap is showing

ek9child288 May 9, 2024 09:46 PM


Originally Posted by Accordinglytuned (Post 25063232)
They probably didn't apply a smoothing factor to the graph.


Rescale the graph?


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