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Actually if the dyno does not have any way to measure RPM on a diesel the graphs will show HP and torque verses MPH by measuring wheel speed. Some dyno operators can only use spark pulses (like a timing light) for RPM. They need an optical adapter to measure RPM with a diesel.
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Sea01Cummer
Performance and Accessories 2nd gen only
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Oct 14, 2005 06:55 AM




