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Old 06-23-2021, 05:13 PM   #1
Habusailor
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Default Head gasket replacement

Age old question but I want a refresher. I need to pull the cast iron heads off my 49 8ba. Do I use copper spray on the new head gaskets and anti-sieze on the stud bolts?


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Old 06-23-2021, 05:45 PM   #2
KiWinUS
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Default Re: Head gasket replacement

Depends on what type of head gaskets you use. Sealant on head bolts. I use 3m weather stripping cement. Have used it on flatheads & the orange off brand for hundreds of engines with never an issue.
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Old 06-23-2021, 06:40 PM   #3
19Fordy
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Default Re: Head gasket replacement

"Best Brand" head gaskets seem to highly recommended these days.
https://bestgasket.com/ Follow the directions of the manufacturer.

As for sealer, Permatex non-hardening sealer has always worked for me.
This is also a great head bolt sealant. I even mixed a dab of antiseize with the bolt sealer with good results.
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Old 06-23-2021, 06:47 PM   #4
hotrodcbx
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Default Re: Head gasket replacement

If you use Best Graphtite head gaskets they recommend permatex copper spray before installation. I have been using this combo for years on my supercharged 286" flatheads with great results.
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Old 06-23-2021, 11:44 PM   #5
Ross F-1
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Default Re: Head gasket replacement

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FelPro specifically does not recommend anything being used on their head gaskets.
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