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CA No Manifold Gasket?
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Les Kerf View Drop Down
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Joined: 08 May 2020
Location: Idaho
Points: 1583 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Les Kerf Quote  Post ReplyReply Direct Link To This Post Topic: CA No Manifold Gasket?
    Posted: 2 hours 9 minutes ago at 8:24am
In another thread I mentioned that my CA had no evidence of there ever having been a rear main oil seal in it, well, my Grandson pulled the manifold off to put a new one on and lo and behold, there was no manifold gasket whatsoever! just a film of blue RTV silicone. Yikes!

Two of the exhaust ports showed slight leakage but the intakes appeared to be sealed nicely. It ran well.
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PaulB View Drop Down
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
Points: 5239 		Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 1 hour 55 minutes ago at 8:38am
Back in the 70s I've knew racers and old time SuperStock pullers that used RTV for manifold gaskets. When I first heard about it, I thought: No that can't work, but it does. With the removal of asbestos from the manifold gaskets, I always use some Red RTV around the port holes. That is the only thing that I've found to make the new type manifold gaskets last more than a few years.  
If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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Les Kerf View Drop Down
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Points: 1583 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Les Kerf Quote  Post ReplyReply Direct Link To This Post Posted: 23 minutes ago at 10:10am
Ford built literally millions of engines with no exhaust manifold gaskets, but this is the first time I have seen an engine with no gasket on the intake.
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