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Old 07-14-2010, 11:21 PM   #15
Scooby Guru
Member#: 71092
Join Date: Sep 2004
Chapter/Region: MWSOC
Location: Delaware County, Ohio
2005 2.5RS Wagon
Regal Blue Pearl


FWIW, I measured no shift in anything at all using the 8mm spacers. I think it's going to be highly dependent on the specific intake manifold design. The cast metal manifold that showed up on the 05 RS and was used until 07 (I believe) seems to be the best flowing stock manifold and seems to be less affected by outside changes.
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williaty is offline   Reply With Quote