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Strange dips on my dyno graph

Old Aug 5, 2010 | 05:08 PM
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Strange dips on my dyno graph



around 2800rpm... Is that normal?
I can actually feel it when i'm driving the car on the street.. especially in 2nd gear.
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Old Aug 5, 2010 | 05:18 PM
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clutch slipping?
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Old Aug 5, 2010 | 05:37 PM
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ah.. interesting... but car is quite new though.. just 13k miles...

Here's from another guy's dyno...but no rpm is showing...


Last edited by JT-KGY; Aug 5, 2010 at 05:38 PM. Reason: Automerged Doublepost
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Old Aug 5, 2010 | 05:43 PM
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misfire?
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Old Aug 5, 2010 | 05:45 PM
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Looks like a miss to me...
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Old Aug 5, 2010 | 05:47 PM
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thats a funny graph...looks like u made the lines with a pen lol
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Old Aug 5, 2010 | 08:26 PM
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That second graph is a not a single gear pull. You can see when they shift. I don't know of many cars that can go from 47 to 130+ mph in a single gear. Do you?
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Old Aug 6, 2010 | 04:49 AM
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Originally Posted by Wangspeed
That second graph is a not a single gear pull. You can see when they shift. I don't know of many cars that can go from 47 to 130+ mph in a single gear. Do you?
good point.. thanks...

so should I have dealer check on the misfire?
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Old Aug 6, 2010 | 05:06 AM
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Originally Posted by Wangspeed
That second graph is a not a single gear pull. You can see when they shift. I don't know of many cars that can go from 47 to 130+ mph in a single gear. Do you?
4th gear bro.
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Old Aug 6, 2010 | 03:22 PM
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what would cause the misfire? and only at that rpm?

and sound like i'll have to take it to the dealer?
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Old Aug 6, 2010 | 03:26 PM
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Originally Posted by JT-KGY


around 2800rpm... Is that normal?
I can actually feel it when i'm driving the car on the street.. especially in 2nd gear.
That dip is caused by the dyno itself.

Is when a load is placed on the drum.

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Old Aug 6, 2010 | 03:41 PM
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also.. misfire should show up on the odb2 reader right?.. maybe it's time to get one.
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