I was ******* the 15 psi gauge but I turned it down because of no inter-cooler, yet. I copper coated all mating surfaces allowing it to dry then assembled with ARP studs torqued to 110ftlbs. No probs now. Before using coppercoat, I was blowing Felpro's so I went with Victor Reinz and coated them.
The Victor Reinz seems to be the better gasket these days but... I have been using felpro without any failures too. A sprayon coat of Hylomar would be better than copper sprayon. If you had a copper gasket custom made it will not handle the heat cycles and start leaking very soon.
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