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07-13-2010, 11:07 AM | #1 |
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Join Date: May 2010
Location: Westminster, Maryland
Posts: 75
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Correct Head gasket
What is the correct head gasket to use with an aluminum head? I am insatlling a 6:1 Dan Price head with no relief for pistons . I have checked and the piston does not come pass the deck . I bought a copper one but have been looking in catalogs and see other types and from the write up I am not sure .
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07-13-2010, 01:53 PM | #2 |
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Join Date: May 2010
Location: oroville ca.
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Re: Correct Head gasket
it doesnt really matter which gasket you use as long as the head and block are true, but if you like spending a couple of hours scraping the composition gasket off the head and from around the studs on the block and bandaging cut knuckles i would use the copper gaskets, i believe thats what ford used, and copper is all i ever use, and not recomended but a copper gasket can be reused in an emergency repair on the road
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07-13-2010, 06:47 PM | #3 |
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Location: Santa Rosa, CA
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Re: Correct Head gasket
I run an aluminum Weiand 7:1 head with no flycut. I use a "BEST" composition gasket that torques down to .050 thick which is sufficient if the pistons do not pop up. Mine did and I took .025 off the piston tops. (Specs are .040 to .050 clearance.) No problems with the gasket. I would not use a copper gasket because of the dissimiliar metals, although after checking with the Locktite Technical guy I did use the copper flaked gasket spray. Be sure to get a sacrificial zinc from the suppliers to put in the radiator. Attach it to the overflow tube. In fact get two for when the first one corrodes away. As kind of an interesting experiment, get a digital voltmeter and put the positive in the radiator water and the negative to ground and measure the DC voltage. My A with distilled water and Watter Wetter measures .2 volts and the modern with aluminum heads and radiator with 20% antifreeze and Watter Wetter measures .15. I have heard/read somewhere that under .3 volts is normal, and over .3 volts indicates an electrical leakage problem somewhere, probably at the battery or other loose or corroded terminals.
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07-14-2010, 08:44 AM | #4 |
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Join Date: May 2010
Location: Westminster, Maryland
Posts: 75
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Re: Correct Head gasket
thanks guys It looks like it is still up to me to pick what I want to try
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07-14-2010, 09:40 AM | #5 |
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Join Date: Jul 2010
Location: upstate NY near Mass border
Posts: 789
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Re: Correct Head gasket
I would ask the head manufacture what they suggest,. I am going to use a 5.9 from Snyders and am wondering the same thing except it's not aluminum. Jack
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07-14-2010, 12:24 PM | #6 |
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Location: Cape Cod MA
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Re: Correct Head gasket
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07-14-2010, 01:22 PM | #7 |
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Join Date: Jun 2010
Posts: 351
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Re: Correct Head gasket
Instead of asking the Fordbarn and possibly getting the wrong answer, I would contact Dan Price and see what he recommends.
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07-15-2010, 06:47 AM | #8 |
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Join Date: May 2010
Location: Westminster, Maryland
Posts: 75
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Re: Correct Head gasket
Larry
Thanks for the info , will contact him today . Went I asked part houses, they have the same answers I have gotten here |
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