RX-8 Discussion Discussion on Mazda's newest rotary powered vehicle.

Rx-8 Dyno #'s

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Old 07-30-2003, 09:42 PM
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very unimpressive...
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Old 07-30-2003, 11:25 PM
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I have a customer who dynoed his and he got 184 rwhp just like the other guy from the rx8forum. He is sending the dyno sheet to Mazda R&D and hopefully to get a reply and explanation shortly.



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Old 07-31-2003, 03:52 AM
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Those numbers sound about right. Factor in about 25%~30% drivetrain loss and that's pretty close.





Well, that's my big explanation! You think you have a better reason why they're so weak?
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Old 07-31-2003, 02:38 PM
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25-30% drivtrain loss is HUGE
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Old 07-31-2003, 03:17 PM
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Shouldn't drivetrain loss be more like 15%? Pretty bad numbers, I was expecting 250. But I had no idea there was fine print to read, "PROVISIONAL TARGET". So it becomes even more of a grocery getter and less of a "sporty grocery getter" in my book.
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Old 07-31-2003, 03:28 PM
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I'd say that average drivetrain loss is closer to 20%, but 30% is enormous, and the transimision should be looked at....or maybe you should attach the driveshaft
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Old 07-31-2003, 03:50 PM
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Mazda needs to stop being half assed about rotary powered cars. The rx8 needed a NA 3 rotor.
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Old 07-31-2003, 06:24 PM
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dsm's drivetrain loss is 16% or so, and tharts for awd.
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Old 07-31-2003, 07:14 PM
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True,

Mazda should have made it turbo or an N/A 3 rotor.
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Old 07-31-2003, 07:24 PM
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the Mazda ad I read now says 247hp
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