Re: The Duchess Project: 1940 Super 8 Convertible Sedan

Posted by Joe Santana On 2018/2/9 17:46:35

My daughter Molly drove to Salem with me and brought her camera.

STUDS: 400-degree F. sealer was applied to the new studs which were tightened as far as they would go and still be set to the same height.

SS ACORN HEAD NUTS & WASHERS: We had standard head nuts that can be tightened down until you run out of thread on the stud. Not so with acorn nuts, beautiful as they are.
John made sure the acorn had enough thread to handle several torquings without bottoming out. If not, we'd add another thick washer.

HEAD AND GASKET: The head and block were wiped down. Some of the holes in the '48 356 gasket are smaller than the holes in the '47 gasket we removed. The gasket was sprayed with copper sealer and fitted over the studs and seated. Sealant was added to the stud threads. Thick SS washers were distributed and the acorn nuts hand tightened. Head was torqued in order to 20 lbs., then again in order to 40, then again to 63 lbs.

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