ideal dyno/performance weather? - Kawasaki ZX-10R.net
 
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post #1 of 7 Old 07-17-2007, 11:30 PM Thread Starter
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ideal dyno/performance weather?

whats the ideal or best dyno and or engine performance weather?

1ST GEN-10R 234hp/[email protected], GT2871RS, cometic gasket, tial bov/ex wastegate, BEGI FMU, WALBRO fuel pump,falicon clutch basket,race pak clutch,200/50 pilot,yana-shiki levers,.net wristband, WEGO III,PC3,GPR damper,cbr cals/Galfer SS brake lines,gp shift,1/5 throttle, 2NDARIES REMOVED <<click for how-to, *R.I.P D.J 10 Apr 04*
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post #2 of 7 Old 07-17-2007, 11:34 PM
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I am sure someone will correct me... But I'd guess it would be in the 55 degree range. Maybe a little lower. And low humidity....


Chris

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post #3 of 7 Old 07-18-2007, 08:15 AM
 
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There isn't one. The bike will be tuned to the weather conditions present.

The air/fuel is adjusted to suit the available air or fuel available. The air (02) changes with temperature. More dense in cold air......so more fuel will be used when tuning. In hot weather they will tune to use less fuel.

I imagine there may be some inky dinky advantage to tune the bike in 45 degree weather other than 75. But you want to tune to the temps you ride in.
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post #4 of 7 Old 07-18-2007, 08:20 AM
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post #5 of 7 Old 07-18-2007, 11:25 AM Thread Starter
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im thinking 70 and 50% humidity. the moisture and cooler weather should help

1ST GEN-10R 234hp/[email protected], GT2871RS, cometic gasket, tial bov/ex wastegate, BEGI FMU, WALBRO fuel pump,falicon clutch basket,race pak clutch,200/50 pilot,yana-shiki levers,.net wristband, WEGO III,PC3,GPR damper,cbr cals/Galfer SS brake lines,gp shift,1/5 throttle, 2NDARIES REMOVED <<click for how-to, *R.I.P D.J 10 Apr 04*
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post #6 of 7 Old 07-18-2007, 11:40 AM
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What's "ideal" depends on what you are looking for.

If you are simply looking for the biggest possible uncorrected horsepower number to brag about, then the colder, drier, and higher barometric pressure (lower altitude), the better.

If you are tuning the engine to give best real world performance, then the "average" temperature, humidity, and barometric pressure of the conditions that the engine will be used in would be a good choice, doing that keeps the corrections that the ECU will have to do to a minimum.

If you are tuning the engine to make sure it doesn't blow up under extreme conditions then you need to test it during those extremes of hot or cold or whatever.

If you are really splitting hairs to tune it for a race weekend, and you don't want to rely on the ECU's built-in corrections (e.g. if you are in a racing class that has specified horsepower maximums!), then you need to do the testing under the same conditions as foreseen for the race.


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post #7 of 7 Old 07-18-2007, 02:18 PM
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for good numbers, cold and low humidity

nate dawg
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