Dynoed my car had some problems
12-15-2003, 08:45 AM
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Dynoed my car had some problems
My 92 hatch made 164hp and 115 ft-lbs of torque. My question is what causes the graph to break up in the higher rpms? I was told Ignition was causing it, but what part ? Cap/Rotor ? Anything else
12-15-2003, 08:47 AM
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Re: Dynoed my car had some problems (ReallySlowEg)
i think that is what it is. it might also be your fuel. do you have some kind of fuel contoller? also nice nubers, what do you got?
12-15-2003, 08:54 AM
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Re: Dynoed my car had some problems (ReallySlowEg)
Do you have an actual .jpg of the dyno plot you can post? You may not actually have a problem, it may just be the reading the dyno took from the ignition/plug wire.
I have a few plots with blank spots along the curve. It was nothing more than a poor tach signal. We repositioned some of the dyno equipment and the problem was solved.
I have a few plots with blank spots along the curve. It was nothing more than a poor tach signal. We repositioned some of the dyno equipment and the problem was solved.
12-15-2003, 08:55 AM
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The tuner told me it was ignition by the spikes, and such. Just wondering what parts I should replace to get rid of the problem.
It's a 94 GSR motor with skunk2 intake,ITR CAI,01 Type R cams, and DC4into1.
It's a 94 GSR motor with skunk2 intake,ITR CAI,01 Type R cams, and DC4into1.
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12-15-2003, 03:40 PM
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From too much fuel or too little? I didn't put the wideband on it... DOH! The other spikes at about 5500 is my ecu trying to open up Secondary Butterflies.
12-15-2003, 04:01 PM
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Re: (ReallySlowEg)
With those spikes and the missing bit at the top end, I'd say it was more of a tach pickup problem from the dyno, than something wrong with your car. Does the car cough and sputter at those rpms when you're driving it?
12-15-2003, 04:21 PM
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Re: (EF8 ownz u)
Do you have stock ecu? If so, this could be your problem. When I replaced my p72 with a skunk2 chipped p28, my skunk2 im was in full affect. Not only did my power increase in low rpms, but high rpms greatly increase.
If you have a skunk2 im, the computer is still trying to open the dual butterfly's and this is where alot of power can be lost
If you have a skunk2 im, the computer is still trying to open the dual butterfly's and this is where alot of power can be lost
12-22-2003, 03:09 PM
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Re: (Bunz)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Bunz »</TD></TR><TR><TD CLASS="quote">HMMMMM..... MAYBE ITS THE MACHINE 
IONO JK
</TD></TR></TABLE>
Well it was a Mustang Dyno so you never know.
IONO JK</TD></TR></TABLE>
Well it was a Mustang Dyno so you never know.
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