Author Topic: need help with gx390 head gasket problems  (Read 5242 times)

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Offline Darkviper

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need help with gx390 head gasket problems
« on: October 05, 2014, 07:53:31 pm »
I have blown head gasket problems can't find 92mm copper head gasket any suggestions. The multy laryed won't hold.
Jonathon Kaup
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Offline trbinrat

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Re: need help with gx390 head gasket problems
« Reply #1 on: October 05, 2014, 08:31:34 pm »
You've probably already check but I'll ask any way is your head and cylinder deck flat!
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Offline Darkviper

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Re: need help with gx390 head gasket problems
« Reply #2 on: October 05, 2014, 08:37:37 pm »
Yes. I was thinking of cutting gx390 copper gasket to 92mm gasket I have
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Offline Cromwell C4

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Re: need help with gx390 head gasket problems
« Reply #3 on: October 05, 2014, 09:03:00 pm »
You can use the copper head gasket, but you will need the head O-ringed if you want it to seal. If your engine has high compression you will blow the MLS gaskets. Call Parsons Racing Supply and tell Jeremy i sent you. He has a head gasket with built in steel fire ring that holds up great in the big HP engines.
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