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Head Gaskets and sealer |
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ROGUE66 
AMC Addicted 
Joined: Jul/05/2010 Location: Kenosha Status: Offline Points: 526 |
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 Posted: Mar/06/2011 at 4:24pm |
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and what kind of sealer??????
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ramblerman390
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Joined: Nov/24/2010 Location: Indiana Status: Offline Points: 310 |
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Posted: Mar/06/2011 at 4:59pm |
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this is new to me... i never used sealer on a head gasket, but i have used sealer on the head bolts only if they go through water jacket such as a Chevy block.
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want to go fast... get an AMC!
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Peter Marano
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Joined: Jul/01/2007 Location: Kenosha WI Status: Offline Points: 1650 |
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Posted: Mar/06/2011 at 4:59pm |
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It was a tan goo, but now that I think about it maybe it was used only on the intake manifold gasket. It was applied with a pair of rollers like a wringer on an old washing machine.
I remember that I went to high school with the guy that worked at that station. And that he put shaving creme in the coolant holes to prevent any foreign material from falling out into the engine. Upon further review, at that station, the operator installed the cylinder heads and intake manifold gasket after running it through the rollers to apply the sealer. The intake manifold gasket went through twice, just the ports were coated. Edited by Peter Marano - Mar/06/2011 at 5:00pm |
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poormansMACHINE
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Charter Member Joined: Jun/28/2007 Location: Shoemaker-Levy9 Status: Offline Points: 12302 |
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Posted: Mar/06/2011 at 5:50pm |
Any one brand favored over another? |
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amx39068
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Joined: Feb/21/2008 Location: Arizona Status: Offline Points: 11576 |
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Posted: Mar/06/2011 at 6:33pm |
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I have taken apart dozens of virgin engines and there was very little sealant used anywhere. When assembling I no longer use the #$%#$^ rubber end gaskets on the intake and use a bead of Super RTV instead. The trick is to install just enough so it compresses but not enough so that a blob will fall into the valley and clog something up. When the engines were brand new I am sure the rubber intake end gasket worked great on new metal but I have had vacuum leaks arise after the block has been decked and the heads have been planed so the fitment of those pesky rubber end gaskets no longer works on the intake due to the differences fitment resulting from rebuilding the engine. Edited by amx39068 - Mar/06/2011 at 6:34pm |
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Dan Curtis-Owner and CEO AZ AMC Restorations; Facebook: https://www.facebook.com/amcmusclecars/ & Curtis Real Estate Development
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JavelinRob
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Joined: Nov/08/2010 Location: Toronto Canada Status: Offline Points: 400 |
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Posted: Mar/06/2011 at 6:49pm |
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his yes that is true when you machine the heads deck the block you also need to do the intake ends or ditch the rubber seals and use some rtv silicone I use permatex called the right stuff its black and very sticky holds up well to oils
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 1970 sst 421 shivvy
1970 amx 390 4spd go pack |
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JavelinRob
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Posted: Mar/06/2011 at 6:53pm |
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the only time I have used sealer on a head was on a flt head six in an old pontiac it had a stubborn antifreeze leak and the only gasket you could get was a steel shim gasket , I used permatex brush on aircraft sealant its like a blackish brown gooky sealant let it dry for a week before adding coolant 10 years later still running and no leaks
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1970 sst 421 shivvy
1970 amx 390 4spd go pack |
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FuzzFace2
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Joined: Jul/05/2007 Location: Angier, N.C. Status: Offline Points: 10356 |
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Posted: Mar/06/2011 at 7:43pm |
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What does the paper that came with the head gaskets say to use? IIRC when I did my junk 360 drag motor the Fel-pro gaskets said to use copper coat on the metal side(s). No sealer on head bolts.
I also followed the paper that came with the pan gasket. Drag motor no rubber end gaskets but the 360 street motor I did use them.
Dave ----
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TSM = Technical Service Manual
75 Gremlin X v8 for sale 70 Javelin 360/auto drag car 70 Javelin 360/T5 Street car |
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70AMX401
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Joined: May/22/2009 Location: Burlington Status: Offline Points: 239 |
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Posted: Mar/06/2011 at 7:53pm |
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There was nothing in the box for instruction from fel pro. This was a whole engine gasket set.
I went ahead and sprayed both side of heads gaskets with permatex copper. I guess we'll see what happens. Like I said this is a first for me, usually I just clean surfaces good and use head gaskets dry.
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70 AMX 401/727
66 Rambler Classic 770 |
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69 ambassador 390
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Posted: Mar/06/2011 at 11:05pm |
Edited by 69 ambassador 390 - Mar/06/2011 at 11:18pm |
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Steve Brown
Algonac, Mi. 69 Ambassador sst 390 84 Grand Wagoneer 69 Cougar XR7 65 Fairlaine 500XL 79 F-350 Super Camper Special |
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Peter Marano wrote: