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oh i get it okay. thanks for the info guys. still doesn't quite explian why my s2k spooled better with high compression than with low compression but i get what you are saying for sure. i think it has to do with how much air is pushed out of the cylinder during the exhaust stroke. 12:1 is going to push more waste air out as compared to 8:1 due to a smaller space at TDC. this could also increase velocity am i right? could you also say it creates more of a vacuum during the intake stroke? therefore allowing the engine to breath in a little more air? im not sure if that is in anyway correct but i can see how it might work like that.
Also diesels burn far cooler than gas engines, its mass flow rate that helps spool not so much temperatures.
Last edited by FreshFRS; 10-26-2012 at 02:31 PM.
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