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Message: [QUOTE="JCart, post: 571422, member: 1238"] Yes.... I think the idea of having the MAP signal created pre intercooler (and therefore just after the turbo), is to pick up boost before it crossed the IC (as you lose a couple of PSI and lag too, as charge crosses the cooler). My rudimentary understanding of the MAP function is it sends a signal to the PCM to aid in determining injector fueling and not sure what else (please correct me here if I'm off base here guys). So the sooner the PCM "sees" pressure signals it can adapt faster and more accurately (relatively post IC) On my truck it made a SOP difference in throttle response, spool time and better fuel mileage. jrc [/QUOTE]

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