Dennis,
In agreement with Marlin, the turkey tray is only needed if the manifold has exhaust heat warming it up. The RPM Air Gap manifold does not have an exhaust heat crossover and therefore does not need the turkey tray.
To respectfully present some info contrary to Marlin, Ford abandoned the use of end seals more than a decade ago. If you buy an intake manifold gasket kit for many Ford vehicles all you get is a tube of RTV sealant, no end seals. Just lay down a "pretty" bead of RTV about 50% thicker than the gap and let it dry completely before you install the intake. One manifold I sealed up required about a 3/8" bead of sealant. They don't leak. I have found the cork & rubber end seals we used in the past would eventually weep oil, especially cork.
cork is great for sealing wine bottles, terrible for making gaskets.
cowboy from hell
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