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Bob Eyres · 10-10-2015

I have those phenolic plenum spacers on my engine. If they aren't causing clearance problems with your intake scraping your hood you can leave them on. But be sure to port match them to the new dimensions of your plenum and injector housings after they've been ported.

10-10-2015	#7
Bob Eyres Join Date: Jul 2005 Location: Jupiter, Fl. Posts: 813	Re: Plenum gasket question.. I have those phenolic plenum spacers on my engine. If they aren't causing clearance problems with your intake scraping your hood you can leave them on. But be sure to port match them to the new dimensions of your plenum and injector housings after they've been ported.