30-31 Gas tank to firewall screws

[GPierce]

I get rain water leaks at the 30-31 gas tank to fire wall attachment using Snyder’s part number #46 screws and lock washers. How did Ford originally prevent this.
I put clear sealer on the screw threads to stop the leaks..Just curious.

[BRENT in 10-uh-C]

Originally Posted by GPierce

I get rain water leaks at the 30-31 gas tank to fire wall attachment using Snyder’s part number #46 screws and lock washers. How did Ford originally prevent this.
I put clear sealer on the screw threads to stop the leaks..Just curious.

Originally there was an anti-squeak (-think friction tape like you wrap golf club grips with) that was placed on top of the Dash (a/k/a Firewall) that the Fuel Tank sat on top of and sandwiched.

Also, the A-20401 Screw showed to have rolled threads ...which I would suspect made the screw's thread fit tighter into the clinch fastener. Those two items should have kept most of the water out.

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[GPierce]

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Thanks Brent. I knew that Ford surely didn’t put new Model A’s with water leaks.
My A is now leak free in the rain.