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Old 03-29-2016, 05:33 PM
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philminotti philminotti is offline
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Join Date: Aug 2004
Location: Orange, CT
Cobra Make, Engine: KMP 736 Street, Pond 482, FAST XFI EFI
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Just a guess, but being an EFI guy, an educated one...
I suspect that can is a common vacuum "plenum" for your eight stack system. I assume your running EFI, yes? Your system may have relied upon a MAP sensor as a proxy for engine load in its VE calculations. With eight stack, you need a relatively clean vacuum reference, this the billet reservoir. As these schemes don't often work all that well, perhaps the EFI was retuned to run an alpha-N scheme, which only requires RPM and throttle angle to determine fueling, thus eliminating the need for a vacuum reservoir and MAP sensor. Just a guess.
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