Valley pan for Stage VI heads

oldkimmer said

With my aluminum plate for a valley pan the valley is totally sealed I do not have to pull a head to get it off or on. I use the paper intake gaskets between the heads and the intake. Kim

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Sounds like the best bet. How thick is your alum plate? I guess I can put a feeler gauge in the spacer groove that's made for the valley plate, and find out. Still hoping the 400 valley pan gasket will work, after I cut a straight line across, just below the ports.