update:
got my POS back couple weeks ago from carbon clean and intake cleaning / splitting / gutting of busted flaps
found a chunk of a busted flap jammed into the port ‘divider’ mere cm’s from the valve - EEK! VERY HAPPY to have dodged that bullet!
retained linkages with hopes of fooling ECU
installed JHM phenolic spacer
result: idles like CRAP, loss of tq down low, nominal ‘gain’ of hp up high
conclusion: spent $200 labor to clean manifold then $ for labor to split / gut / install… only to now order a NEW manifold and re-do the install. Not happy. Sux.em
Shoulda done it right the first time. Makes no sense to me - the car should run exactly the same as it did before (well better for the carbon clean!). My flaps were heard rattling around terribly at idle and low rev’s! There was not much of anything left of the bits that were found dangling around in there. So gutting them should have had no effect, but alas here I am. Bummer.
Anywho, hope that helps others. I am VERY much looking forward to the car w/ the carbon clean / phenolic / new manifold… will report back in couple weeks when done.