Old Tele Man, thanks, but I don't think it's quite as simple as you're saying. If the throttle plate didn't open up more with warm air temps then what you say would hold more merit. However, since leaning out mixtures due to warmer air temps means less power and a consequent opening up of the throttle plate to compensate, that changes things. A throttle plate opened up more means less vacuum in the system, irregardless of air tempterature and/or air density. It's that variability I'm trying to account for.
I understand I may appear to be a "fastidious nitpicker" here, but I want to be more accurate with readings...you know...strictly emperical and all that.
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