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Mod | | | Forums66 Topics128,208 Posts1,057,448 Members48,471 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Aug 2017 Posts: 10 'Bolter | | 'Bolter Joined: Aug 2017 Posts: 10 | I am replacing the water pump on my 1937 Chevy 1 1/2 ton truck with a 216 engine. My rebuilt water pump came with a thin cardboard (paper) gasket. I'm trying to determine if I need to use some sort of gasket sealer to get a good leak free seal. I thought I would search the internet for a quick answer. I think I'm more confused now than I was before as there are about as many opinions as there are people posting. So I decided to ask the experts on here since many of you have "been there and done that" with this specific engine. Gasket sealer or not and if so what kind?
Thanks,
Brian | | | | | Joined: Dec 2019 Posts: 446 'Bolter | | 'Bolter Joined: Dec 2019 Posts: 446 | right, wrong or indifferent; I used my go to Permatex Aviation form a gasket on my water pump on my "37. It claims to be both gas and water proof. Of course may be completely different as my 216 is probably much more modern and advanced than your '37 as mine came out of a '39. LOL Others will probably chime in and give actual correct advice.
Larry
Old man᠁Old truck᠁neither one goes very fast. All you need in life is TIME, PATIENCE and MONEY.
If you are missing one component, you'll need an abundance of the others two.
| | | | | Joined: Oct 2019 Posts: 131 'Bolter | | 'Bolter Joined: Oct 2019 Posts: 131 | The radiator to fan clearance on my '37 was extremely tight.
I bought a water pump with a shorter shaft and that made things way easier. | | | | | Joined: Mar 2004 Posts: 6,236 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 6,236 | I use a thin smear of Permatex Form A Gasket #2 on both sides of the gasket on water pumps and fuel pumps... Mike B  | | | | | Joined: Aug 2017 Posts: 10 'Bolter | | 'Bolter Joined: Aug 2017 Posts: 10 | Thanks for the replies. I appreciate knowing what others have done successfully. | | | | | Joined: Feb 2004 Posts: 29,888 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,888 | My" go to" sealer for most water, oil, and gasoline gaskets is Permatex "Super 300" It's a dark brown, almost black brush-on liquid that remains slightly pliable more or less forever. It's not the same stuff as the chocolate brown "3-something" Permatex (3-D or 3-H) as it was specifically designed to resist aviation gasoline in the mid-1950s or earlier. It's available on Ebay.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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