Wow, this is deep. It'll be interesting to see what the experts say.
But air density is a function of barometric pressure AND temperature. I
believe you would have your barometric pressure changing during an
average day at Bonneville and anywhere else.
Only other comment I could make is that people with 6-71-type blowers
can keep their manifold pressure up regardless of dropping air density,
thereby keeping power at the desired level, merely by changing the
blower drive ratio (within certain limits, I imagine). Maybe(?) people
that use nitrous can do the same thing by adding more fuel and nitrous.
I gather you trash your engine this way very quickly if you don't know
what you're doing. Regards, ArdunBill
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