Re: Engine masters single plane vs dual plane dyno test.
The quote shared by Kyle seems a fundamental fluid dynamics system....math. mr 4 speed's logic is like using an integration under the curve and then weighing or constraining for real time stuff, like powertrains, converter, atmosphere, etc. I wouldnt doubt that a true hi-vel head can provide signal strength near a 180 divided with an open plenum. Combine that with a modern "intense" cam which shows better velocities....and the system may not miss the higher velocities of the 180 at all. Put lazy heads, or too big heads back on, and it'll show different.
Back in the day, I wish I ran the Z/28 and open plenum Holley at the track. The Holley always felt better at WOT, but in terms of azz dyno...? In that particular system....it was truly a draw... ( btw, you cant bolt on the same carb from a dual to single w/o recalibrating)
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