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Dynos are like fingerprints, no two are alike.
There are a lot of factors which will affect the outcome, so really it's just a tool for development. Tire size, type and weight makes a difference, transmission type makes a difference (4-speed/5-speed/auto), gear oil types make a difference, tire pressures make a difference, etc. Then there are the SAE smoothing factors, the gear you choose to dyno in, the altitude, the barometric pressure, the air temperature, the cooling (or lack of it) to the radiator and air inlet to simulate road speed, and the inputted information such as vehicle weight and gear ratios.
Anyway, just some things to think about.
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My Flickr photos.
Jan. 3, 1984 - Jan. 3, 2009, that's 25 years of this damn Opelitis!
C.R.L. 9/22/69 - 12/8/99, J.M.L. 3/3/43 - 6/15/04
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