Re: {Chrysler 300} Re: Gasket maker. Yes or no?

On Fri, Aug 8, 2025, 8:07 AM ROBERT HAAG <scooter465@xxxxxxx> wrote:

I have tried all types of
Valve cover gaskets.
Aircraft grade silicone,
Rubber , steel core rubber.
The only one that worked
Best was cork/rubber put
In dry.
Bob Haag

On Aug 8, 2025, at 6:42 AM, Bob Merritt <bob@xxxxxxxxxxxxx> wrote:

I replaced valve cover gaskets on two 413s in the past month.

One was a breeze, one was a chore.

The chore: a previous owner glued the gaskets to the valve cover.

It had to be scraped out in little bits. Putty knife and solvent

something like 45 minutes per cover. Cork pieces everywhere,

and then to remove the old adhesive.

I don't use adhesive or gasket maker.

Bob

On 8/7/2025 6:13 PM, Dyke Ridgley wrote:

I am sure you will get lots of suggestions. On standard American engines with cork gaskets, we use black weatherstrip adhesive to permanently bond the gasket to the valve cover and then put a light coat of grease on the gasket surface that contacts the cylinder head. The gasket does not squeeze out, no leaks and easily removable many times without any gasket damage.

Dyke Ridgley

On Thursday, August 7, 2025 at 5:04:04 PM UTC-5 Jay Williamson wrote:

There has been a debate for a long time regarding the use of gasket maker on valve cover gaskets. I’m about to take on the task of changing my valve cover gaskets on my 300F. They are cork gaskets and typically I would not use gasket maker. However, this is a big job and I only want to do it once. I’m thinking of using spray on copper gasket maker on the valve cover side only. What are the thoughts out there?

Jay Williamson
Sent from my iPad

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