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Old 01-31-2012, 03:01 PM   #1
52merc
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Default copper gaskets

copper gaskets ok with alloy heads ?? thanks
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Old 01-31-2012, 03:32 PM   #2
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Default Re: copper gaskets

No!
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Old 01-31-2012, 03:41 PM   #3
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Default Re: copper gaskets

I prefer the Best brand of composite gaskets for aluminum heads even on my blown 9CM Merc motor. Do a google search for Best gaskets.

Jim
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Old 01-31-2012, 04:03 PM   #4
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Default Re: copper gaskets

Speaking of copper gaskets,I see that Hussey copper have stopped making them,
We use their solid ones on our dragster,I wonder where do we get them now.
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Old 01-31-2012, 04:27 PM   #5
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Default Re: copper gaskets

well please tell me the problem with them
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Old 01-31-2012, 05:45 PM   #6
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Makes your engine into a bettery and the heads are the anode. Really cleans the water jackets.
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Old 01-31-2012, 06:08 PM   #7
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Default Re: copper gaskets

If you use a good anti-corrosion product in your coolant, you won't have a problem. Also need to refresh inhibitors periodically. There is only a small amount of copper exposed to the coolant at any time. As noted though, the Best brand composite gaskets are excellent. They have gone up in price considerably. Just paid $75.00 for a set of big bore gaskets from Speedway.
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Old 02-01-2012, 03:01 AM   #8
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Default Re: copper gaskets

If copper head gaskets are no good why do Edelbrock recommend them for their alloy heads? The installation instructions that came with mine state, 'For #1115 use Felpro #1055 (right) and #1056 (left) copper sandwich gaskets'.
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Old 02-01-2012, 04:15 AM   #9
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Default Re: copper gaskets

Yes, copper faced gaskets are OK with any type of head material.
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Old 02-01-2012, 12:11 PM   #10
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Default Re: copper gaskets

H&H flathead also recommend copper gaskets.i have them on my flathead with a good anti corrosion product in my coolant and have never had a problem
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Old 02-01-2012, 01:00 PM   #11
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Default Re: copper gaskets

Dissimilar metal corrosion can be a problem but that's why they made products like Copper Coat or any good brand of silver aluminum pigment paint to coat them with before installation. The paint also acts as a sealant for the imperfections the copper won't mush down into at the heads are torqued.
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Old 02-01-2012, 01:51 PM   #12
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Default Re: copper gaskets

Good point. I used plenty of copper coat
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Old 02-01-2012, 02:13 PM   #13
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Default Re: copper gaskets

thanks guys i thought it strange as they were alright in the ol days but now everyone seems to think they are not trev
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