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Dyna pacs are VERY wellregarded in the racing industry, and your test sounds like an anomoly. from a basic theoretical level they are eons ahead of the dynojet concept. It's a true brake dyno, which measures things as opposed to calculating things. They are new to the american market, relaively, so perhaps there was a snafu somewhere along the way.
Interesingly, I had my race car on a dyna pack, (hub driven brake dyno), a Clayton (wheel drum brake dyno), and a Dynojet (wheel drum inertia dyno), and the Clayton read highest, the Dynapak the lowest, and the Dynojet was both! LOL. Meaning that the others had the greatest consistency, while the dynojet was the most inconsistent.
Too many assumptions/variables with the dynojet for me. Don't give up on the dynapac just yet.
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Jake Gulick, Black Rock, CT.
'73 yellow 911E , & 2003 BMW M3 Cab. Ex: 84 Mazda RX-7 SCCA racer. did ok with it, set some records, won some races, but it wore out, LOL[/B]
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