Stock Dyno results - over 315HP?
11-07-2003, 11:22 AM
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Stock Dyno results - over 315HP?
Hey guys,
Haven't been here in a while...
I dynoed my car at Horse Power House in Lexington, KY the other day and we got some funky results.
It was done on a Mustang AWD Dyno (MD-AWD-500-SE ) which is an EDDY current dyno.
I was wondering if anyone else had dynoed theirs on an EDDY current dyno so we can compare the results.
As you can see, there is absolutely no HP drop. We took it to 6500RPM and stopped, due to the rev limiter.
What do you guys think?
I'd love to hear some analysis from people that are familiar with EDDY current dynos as I am told these results are very high for a stock Z, not to mention the HP does not drop anywhere at the top.
Haven't been here in a while...
I dynoed my car at Horse Power House in Lexington, KY the other day and we got some funky results.
It was done on a Mustang AWD Dyno (MD-AWD-500-SE ) which is an EDDY current dyno.
I was wondering if anyone else had dynoed theirs on an EDDY current dyno so we can compare the results.
As you can see, there is absolutely no HP drop. We took it to 6500RPM and stopped, due to the rev limiter.
What do you guys think?
I'd love to hear some analysis from people that are familiar with EDDY current dynos as I am told these results are very high for a stock Z, not to mention the HP does not drop anywhere at the top.
Last edited by igor@af; 11-07-2003 at 11:46 AM.
11-07-2003, 11:30 AM
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huh, that goes against what I am used to. How exactly was it done? I was gonna say you could have 240+ on a dynojet. Thats why I hate dynos....Its how your car performs on the street.
11-07-2003, 11:38 AM
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I was offered an estimated conversion formula to figure out what the car is producing at the crank:
229.6 * 1.17 (difference between EDDY current and inertial dynos) / 0.85 (15% drivetrain loss) which comes out to around 316 hp. How accurate that is however, I am not sure.
But, we also dynoed a 2000 Eclipse GT (3.0 liter V6) that is rated at 210hp stock. This one had 157.5hp but had the following mods:
AEM CAI, Unorthodox underdrive pulley, Fidanza flywheel, Magnagor plug wires, and Magnaflow muffler.
By applying the same formula:
157.5 * 1.17 / 0.85 we arrive at around 220hp, which is a reasonable 10hp gain from the mods listed. However, the Eclipse is obviously FWD and so drivetrain loss is probably less.
229.6 * 1.17 (difference between EDDY current and inertial dynos) / 0.85 (15% drivetrain loss) which comes out to around 316 hp. How accurate that is however, I am not sure.
But, we also dynoed a 2000 Eclipse GT (3.0 liter V6) that is rated at 210hp stock. This one had 157.5hp but had the following mods:
AEM CAI, Unorthodox underdrive pulley, Fidanza flywheel, Magnagor plug wires, and Magnaflow muffler.
By applying the same formula:
157.5 * 1.17 / 0.85 we arrive at around 220hp, which is a reasonable 10hp gain from the mods listed. However, the Eclipse is obviously FWD and so drivetrain loss is probably less.
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11-07-2003, 02:55 PM
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I haven't dyno'd my Z, but based on the other dyno plots I've seen, yours look fine.
The torque curve looks the same as the others, with a slight rise until 4800, then a noticeable dip around 5100 and then a steady decline to redline. Yours seems to look maybe a bit too good on the top end compared to most others, but the results don't seem to be too far off. I'd say that you should just remember to go back to that same dyno when you get mods so you can make a good comparison.
-D'oh!
The torque curve looks the same as the others, with a slight rise until 4800, then a noticeable dip around 5100 and then a steady decline to redline. Yours seems to look maybe a bit too good on the top end compared to most others, but the results don't seem to be too far off. I'd say that you should just remember to go back to that same dyno when you get mods so you can make a good comparison.
-D'oh!
11-10-2003, 01:48 PM
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Originally posted by igor@af
But, we also dynoed a 2000 Eclipse GT (3.0 liter V6) that is rated at 210hp stock. This one had 157.5hp but had the following mods:
AEM CAI, Unorthodox underdrive pulley, Fidanza flywheel, Magnagor plug wires, and Magnaflow muffler.
By applying the same formula:
157.5 * 1.17 / 0.85 we arrive at around 220hp, which is a reasonable 10hp gain from the mods listed. However, the Eclipse is obviously FWD and so drivetrain loss is probably less.
But, we also dynoed a 2000 Eclipse GT (3.0 liter V6) that is rated at 210hp stock. This one had 157.5hp but had the following mods:
AEM CAI, Unorthodox underdrive pulley, Fidanza flywheel, Magnagor plug wires, and Magnaflow muffler.
By applying the same formula:
157.5 * 1.17 / 0.85 we arrive at around 220hp, which is a reasonable 10hp gain from the mods listed. However, the Eclipse is obviously FWD and so drivetrain loss is probably less.
Gary
11-15-2003, 08:27 AM
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As per this experiment: http://www.sportrider.com/tech/146_0102_dyno/
"Our TL1000R test unit (June 2000) measured 102.1 horsepower on a Factory Pro eddy current dyno, and 118.9 horsepower on a Dynojet inertia dyno. According to Salvisberg, Factory Pro eddy current dynos read 14 to 15 percent lower than say, a Dynojet inertia dynamometer in the 90 to 100 horsepower range, with even more difference at higher power levels."
But on the other hand, I have found topics here on the forums that state the opposite - that Mustang Dynos generated larger numbers than inertial dynos.
Can somebody clarify this for me? I am still actively trying to research this topic but do not have much solid info, due to various contradictions that I have found.
"Our TL1000R test unit (June 2000) measured 102.1 horsepower on a Factory Pro eddy current dyno, and 118.9 horsepower on a Dynojet inertia dyno. According to Salvisberg, Factory Pro eddy current dynos read 14 to 15 percent lower than say, a Dynojet inertia dynamometer in the 90 to 100 horsepower range, with even more difference at higher power levels."
But on the other hand, I have found topics here on the forums that state the opposite - that Mustang Dynos generated larger numbers than inertial dynos.
Can somebody clarify this for me? I am still actively trying to research this topic but do not have much solid info, due to various contradictions that I have found.
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