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M4-220C Firewall/fuel filter/fuel pump

Posted: Tue Dec 29, 2020 5:48 am
by johnmo61
I'd like to get some input on how I should refinish the cabin and engine side of my firewall. I believe it is of a soft material, possibly galvanized. Not sure what they used in the 70's, drawings on CD don't mention material.

I was thinking of Cerakote paint for the engine side or just epoxy prime it. Pro's/Con's?

Not sure if I like to redo the cabin side with Naugahyde.

Also, Is the Gerdes fuel filter still used? Are parts available?
Any issues with the Duke electric fuel pump?

Any suggestions?

Thanks in advance.

John Morelli




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Re: M4-220C Firewall/fuel filter/fuel pump

Posted: Mon Jan 04, 2021 5:34 pm
by 1:1 Scale
Oh, you've gone and done it now!! :shock: :lol:

New firewalls are stainless. I used a fiberglass/silicone material from Spruce on the interior side of mine, and reused the fuel pump and gascolator. Didn't do anything to the engine side with the stainless.

Re: M4-220C Firewall/fuel filter/fuel pump

Posted: Fri Mar 04, 2022 3:03 pm
by johnmo61
Here's my new firewall I fabricated.


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Re: M4-220C Firewall/fuel filter/fuel pump

Posted: Sat Mar 05, 2022 5:24 pm
by DavZeeMXT
Aren’t Nauga’s currently on the endangered species list? :lol: