Best B20 Valve Cover Gasket?
- RadioFlyer
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Best B20 Valve Cover Gasket?
Hey guys, the time came to replace the valve cover gasket in the '80 900t (8-valve B20 engine), and all I can find is cork. Anyone have any suggestions for the best VC gaskets out there, or is cork the best you can get in the 21st century?
- 99Super
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Re: Best B20 Valve Cover Gasket?
Cork is it. I've never seen anything else. Using some "Indian Head" gasket shellac during assembly will reduce leakage significantly.
John
John
- Crazyswede
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Re: Best B20 Valve Cover Gasket?
Cork works well. I have applied a thin layer of Loctite 518 on both sides and cleaned the mating surfaces well and then had no leakage issues...may be doable on the old gasket as well
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- squaab99t
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Re: Best B20 Valve Cover Gasket?
I have had luck with the cork and 518. The other question is do you have the sheet metal cover that the return flange lip goes out from the head or towards? I seem to like the ones that are bent inward to contain the cork better.
- Geoff
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Re: Best B20 Valve Cover Gasket?
I've also had good luck with the 518 on the stock cork gaskets. Just remember to tighten them lightly. Tightening too hard bends the sheet metal into the cork, causing leaks.
The kind of dirty that doesn't wash off
- RadioFlyer
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Re: Best B20 Valve Cover Gasket?
Thanks guys! I hope this one isn't too bent. Seems like pretty flimsy metal. I'll try the 518 and go from there.
- squaab99t
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Re: Best B20 Valve Cover Gasket?
You can't clean the surfaces enough. Use a posi-drive bit if you are using the stock style fasteners.
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