| Always a good idea to double check their work with plastigage. BTW...I didn't get to your previous post about the IC's before it was locked. Yes, you are absolutely correct in saying that in a closed container, the pressure of a gas will decrease as temperature drops. However, an IC is not a closed system because it has inlet and outlet pipes. Any reduction in pressure (relative to the intake pipe) caused by the cooling of the intake charge would be compensated by an increase in the air charge flow rate in an attempt to equalize the pressure difference.
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