Valve cover gasket material preference

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K.O. SWINGER

K.O. SWINGER

Meeting in the alley since 1976
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So I have traditionally run Cork gaskets with black permatex on my valve covers. I definitely prefer a cast aluminum or some more rigid style of valve cover opposed to light mild steel or tin style. My question is what do you feel the best valve cover gaskets are for a solid flat tappet cam setup that might be disassembled on a more frequent rate. Keeping in mind I hate valve cover leaks with a passion and will not tolerate LOL.
 
I've had my valve covers off at least 20 times with these gaskets never a leak!
Been on my Engine for 5 years.
That is with cast aluminum covers...
No sealer or silicone required.
Screenshot_20210130-100539.png
 
I have not used their valve cover gasket but their thermostat gasket is perfection.
Dodge Archives - Page 2 of 2 - Silicone Gaskets - Real Gaskets Tennessee

FOLLOW the instructions, the torque is probably in INCH pounds and the gasket is probably installed dry (NO SEALERS) ~3 years and not a drop from the thermostat gasket, using OEM, corroded intake (cleaned the surface but lots of pitting) and a new repo t-stat housing.
 
Not on a Mopar, but I've had great success using silicone gaskets with cast aluminum valve covers on the SBC in my '37 Pontiac.
For stamped steel covers, cork only.
 
I use the blue gasket pictured above, but I have my aluminum covers off & on to check valves on solid roller cam.
 
I just installed these blue Moroso gaskets this afternoon and the driver side valve cover was leaking oil worse than the cork gaskets I had on there. I need to take them off again and see what’s going on. I have Mopar Performance valve covers and they are nice and flat
 
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