Originally Posted By AndyF
It should work fine with the 0.030 gaskets at that RPM. If you were going to spin it a lot higher then maybe it would be an issue. Next time you pull the heads you might want to order the 0.036 gaskets.


Andy, is the difference in quench effectiveness between .046 and .036 significant enough to make a change to attain the tighter number?


1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)