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I have seen a number of folks using a vacuum manifold to sample the MAP from each ITB and then provide a single source to the ECU. I have ITBs/MS3 on my -6 and the vacuum inputs from each ITB are "daisy-chained" using "T"s from the last one on the bank to the next and the next and then over the fan to the other side where the input from the 2nd bank is added and then connected to the MS3 ECU.
Is the use of a manifold with individual vacuum lines a superior solution? Does it make a difference?
Last edited by db9146; 05-11-2020 at 09:12 AM..
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