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post #2 of (permalink) Old 05-09-2003, 07:05 PM
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Re: Tech question- 1.6L head mods, porting

Glenn, if those vacuum ports are for manifold vacuum devices, i.e. high vacuum at idle,then complete removal should be fine, If they are for ported vacuum off idle (like EGR) then it may not produce as much vacuum if they're gone.I think its for the PCV system, though.Check that service manual [img]images/graemlins/wink.gif[/img]
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