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Engine basics => Engine set up tips => Topic started by: Perry Rose on June 23, 2024, 01:19:21 PM

Title: Back plate gasket made easy.
Post by: Perry Rose on June 23, 2024, 01:19:21 PM

In particular the O.S. LA engines use a gasket that is .005 thick. So is packing tape. I cleaned the mating surface of the crankcase and stuck a piece of tape on it. Then I cut the center hole with a new Exacto blade and opened the bolt holes with a hot piece of sharpened rod. A little trimming on the outer perimeter and I have a new gasket.

Title: Re: Back plate gasket made easy.
Post by: Dennis Toth on June 23, 2024, 01:45:06 PM

Dam Perry, great idea!!

Should work for anything but the head gasket.

Best,    DennisT

Title: Re: Back plate gasket made easy.
Post by: Motorman on June 23, 2024, 03:53:22 PM

Hope the heat of the engine doesn't shrink it.

Title: Re: Back plate gasket made easy.
Post by: Gerald Arana on June 23, 2024, 07:04:35 PM

I use an old paper bag.............and trim it the way you do. Works great.

Cheers, Jerry

Title: Re: Back plate gasket made easy.
Post by: Dave_Trible on June 24, 2024, 10:49:43 AM

I do the same thing with aluminum duct tape.   Works fine for head gaskets and header pipes too.  Just re-tighten a bit after the first run while still warm to squeeze the tape gum down a bit more.

Dave