Not Ranked
Ok, so mine is a Shelby Aluminum block with aluminum Edelbrock heads and aluminum intake. I have the FE rocker assembly and the machine shop just did a cleanup on the heads which amounted to .004. That was within the tolerances of the builder so it just meant torquing the rocker arm down correctly since I was using the Cometic head gasket. It has some thickness to it. I simply put a good bit of TA-31 on the intake and the area where it met the head. When I set the intake on the heads it slid in tight. I torqued down and waited 24 hours and it sealed up nicely.I do have some valve cover leaks though, albeit small.
Phil
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