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cooper head gasket #1675925
09/22/14 10:16 PM
09/22/14 10:16 PM
Joined: Jan 2007
Posts: 526
NC
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barracuda man Offline OP
mopar
barracuda man  Offline OP
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NC
This is a new build Sb 360 13.5/14.1 compression.Seems the cooper head gaskets are not sealing.I sprayed them with cooper coat spray.The block is o-ringed.With the radiator cap off i can rev up motor and the water spews out and bubbles.Would you guys try the holomor stuff or buy new cooper head gaskets.looks like there is a sec stamp on gaskets.

Re: cooper head gasket [Re: barracuda man] #1675926
09/22/14 10:33 PM
09/22/14 10:33 PM
Joined: Jul 2010
Posts: 1,845
Tampa
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DusterDave Offline
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Tampa
Never heard of that brand.


Gone to the dark side with an LS3 powered '57 Chevy 210
Re: cooper head gasket [Re: barracuda man] #1675927
09/22/14 10:33 PM
09/22/14 10:33 PM
Joined: Jan 2007
Posts: 526
NC
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barracuda man Offline OP
mopar
barracuda man  Offline OP
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Joined: Jan 2007
Posts: 526
NC
I read someone used cometics on a o-ringed block with no problems.can't find the post.

Re: cooper head gasket [Re: DusterDave] #1675928
09/22/14 10:35 PM
09/22/14 10:35 PM
Joined: Jan 2007
Posts: 526
NC
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barracuda man Offline OP
mopar
barracuda man  Offline OP
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NC
Quote:

Never heard of that brand.



Its the titan brand.

Re: cooper head gasket [Re: barracuda man] #1675929
09/22/14 10:50 PM
09/22/14 10:50 PM
Joined: Jan 2007
Posts: 526
NC
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barracuda man Offline OP
mopar
barracuda man  Offline OP
mopar
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Posts: 526
NC
Quote:

This is a new build Sb 360 13.5/14.1 compression.Seems the cooper head gaskets are not sealing.I sprayed them with cooper coat spray.The block is o-ringed.With the radiator cap off i can rev up motor and the water spews out and bubbles.Would you guys try the holomor stuff or buy new cooper head gaskets.looks like there is a sec stamp on gaskets.



After two months of spending all my money.working my azz off on this torsion bar mopar.with all the finger cuts/bruises/soar back ect.The damm thing leaks water/what in the cat hair.Out of all the guys i race with i am the only mopar.They keep telling me to buy a chevy.

Re: cooper head gasket [Re: barracuda man] #1675930
09/22/14 11:00 PM
09/22/14 11:00 PM
Joined: Sep 2005
Posts: 1,551
baldwinsville new york
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a493demon Offline
pro stock
a493demon  Offline
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Joined: Sep 2005
Posts: 1,551
baldwinsville new york
summit sell's a brand that is rubber coated.
not sure if these are the right size for your combo.
but I used them on a BB and worked good.
http://www.summitracing.com/parts/fog-903664060/overview/make/dodge

Re: cooper head gasket [Re: barracuda man] #1675931
09/22/14 11:00 PM
09/22/14 11:00 PM
Joined: Oct 2010
Posts: 2,407
Ambridge, Pa.
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rickraw Offline
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rickraw  Offline
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Joined: Oct 2010
Posts: 2,407
Ambridge, Pa.
coat both sides of the gasket around all the water ports with hi-temp red silicone & let it cure for 24 hrs.

Re: cooper head gasket [Re: rickraw] #1675932
09/22/14 11:23 PM
09/22/14 11:23 PM
Joined: Jan 2003
Posts: 6,392
nielsville, minn.
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quickd100 Offline
master
quickd100  Offline
master
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Joined: Jan 2003
Posts: 6,392
nielsville, minn.
I used coopers and a copper O-ring on my 318 turbo motor. I used 'The Right Stuff' around all water and oil passages. 24lbs of boost and zero leaks.Dave

Re: cooper head gasket [Re: quickd100] #1675933
09/22/14 11:33 PM
09/22/14 11:33 PM
Joined: Jan 2007
Posts: 526
NC
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barracuda man Offline OP
mopar
barracuda man  Offline OP
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Quote:

I used coopers and a copper O-ring on my 318 turbo motor. I used 'The Right Stuff' around all water and oil passages. 24lbs of boost and zero leaks.Dave


'
Where can i buy this 'the right stuff'
Mopars driven me to drinken.

Last edited by barracuda man; 09/22/14 11:36 PM.
Re: cooper head gasket [Re: barracuda man] #1675934
09/22/14 11:38 PM
09/22/14 11:38 PM
Joined: Apr 2005
Posts: 2,128
Salt Lake City
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camastomcat Offline
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Joined: Apr 2005
Posts: 2,128
Salt Lake City
Quote:

Quote:

I used coopers and a copper O-ring on my 318 turbo motor. I used 'The Right Stuff' around all water and oil passages. 24lbs of boost and zero leaks.Dave


'
Where can i buy this 'the right stuff'




It's just real aggressive silicone that takes years off your like to get it off. I've been going through the same thing and finally it turned our to be the head gaskets. They were wrong for my application. Do yourself s favor though, have the heads pressure tested. Also, get a cooling system pressure tester and find out where it's leaking.

Re: cooper head gasket [Re: camastomcat] #1675935
09/23/14 03:04 AM
09/23/14 03:04 AM
Joined: Jan 2004
Posts: 8,256
fredericksburg,va
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cudaman1969 Offline
master
cudaman1969  Offline
master
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Joined: Jan 2004
Posts: 8,256
fredericksburg,va
I used copper gaskets on my 15.19 comp. wedge, o-rings with hylamar sealer (the blue stuff) no leaks. You will have to anneal and CLEAN the gasket to reuse. I' m assuming you spelled it wrong, if not disregard what i just said.

Last edited by cudaman1969; 09/23/14 03:09 AM.
Re: cooper head gasket [Re: cudaman1969] #1675936
09/23/14 08:26 AM
09/23/14 08:26 AM
Joined: Mar 2006
Posts: 1,229
In The Hills
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jughed Offline
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jughed  Offline
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Joined: Mar 2006
Posts: 1,229
In The Hills
Hylomar seals very well...13.5 540, o-ringed block, SCE gaskets.

no problems so far

Re: cooper head gasket [Re: jughed] #1675937
09/23/14 10:23 AM
09/23/14 10:23 AM
Joined: May 2011
Posts: 4,489
northern,Ohio,USA
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Clanton Offline
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Clanton  Offline
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Joined: May 2011
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northern,Ohio,USA
I switched to Yamabond #6 with as thin a coat you can spread with your finger.I really hated when mine leaked.


GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
Re: cooper head gasket [Re: barracuda man] #1675938
09/23/14 10:48 AM
09/23/14 10:48 AM
Joined: Jan 2003
Posts: 13,363
Marion, South Carolina [><]
an8sec70cuda Offline
I Live Here
an8sec70cuda  Offline
I Live Here

Joined: Jan 2003
Posts: 13,363
Marion, South Carolina [><]
I use the copper colored RTV silicone on copper head gaskets w/ O-rings. Put a light coating on the gasket, assemble, and let it sit for at least 24 hours. Never had a problem.
Done this on our 436" sb chevy w/ 14.5:1 compression.


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
Re: cooper head gasket [Re: an8sec70cuda] #1675939
09/23/14 01:17 PM
09/23/14 01:17 PM
Joined: Jul 2010
Posts: 1,845
Tampa
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DusterDave Offline
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DusterDave  Offline
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Joined: Jul 2010
Posts: 1,845
Tampa
Yamabond 4 worked great for me! Four years of street driving and no leaks from my copper head gaskets.


Gone to the dark side with an LS3 powered '57 Chevy 210






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