Heat crossover ????

brian6pac said

You know you can't use a steel shim gasket with aluminum intake, It will always leak.
At some point sooner than later you will have a major mess on your hands.

I knew I had a copy somewhere of the 6 pack intake gasket bulletin.

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I’ve never used anything but the steel shim intake gasket on my B/RB motors !! All my buddies motors I built for them never used anything but steel shim intake gasket ! Not one leak in 30 years ! Not one. ! All of them have aftermarket aluminum intakes on them to this day !! No leaks as of yet !!