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RX-7 3rd Gen Specific (1993-2002) RX-7 1993-2002 Discussion including performance modifications and Technical Support Sections. |
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#1 |
Rotary Fanatic
Join Date: Feb 2008
Location: Gresham, OR
Posts: 473
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this may not be the cause at all.. but any good MBC is vented, to prevent boost fluctuation. on mine, there was a small hole drilled into the part with the ball/spring. i'm thinking that the tiny bit of air sucked in through the vent is contributing to your drop in vacuum, and is totally normal.
if im wrong, my bad
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