Cometic Head Gaskets
#849271
11/08/10 11:05 PM
11/08/10 11:05 PM
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Joined: Jan 2008
Posts: 295 Circleville, Ohio
Evil67
OP
enthusiast
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OP
enthusiast
Joined: Jan 2008
Posts: 295
Circleville, Ohio
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I am going to use Cometic head gaskets on my 440. I have heard you should put sealer on them but the Cometic website says NOT to.
What do all of you do?
Former Username - 71Cuda Current Ride: 1967 Dart - 340
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Re: Cometic Head Gaskets
[Re: Evil67]
#849272
11/08/10 11:15 PM
11/08/10 11:15 PM
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Joined: Mar 2009
Posts: 2,467 Sydney,Australia
tex013
top fuel
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top fuel
Joined: Mar 2009
Posts: 2,467
Sydney,Australia
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i run them without sealer.BUT i open them up at the ends and put a light smear there just to save any weepage at the ends,with the oil draining and near the intake Tex
New best ET 10.259@129.65 . New best MPH 130.32 Finally fitted a solid cam, stepped it up a bit more 3690lbs through the mufflers New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm Power by Tex's Automotive
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Re: Cometic Head Gaskets
[Re: a408swinger]
#849275
11/09/10 02:22 AM
11/09/10 02:22 AM
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Joined: Jan 2003
Posts: 4,448 Phoenix, AZ
MoparBilly
master
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master
Joined: Jan 2003
Posts: 4,448
Phoenix, AZ
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I spray mine with ultra copper spray, did it on the BB and the SB...quite heavily, both sides of the gaskets.
"Livin' in a powder keg and givin' off sparks"
4 Street cars, 5 Race engines
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Re: Cometic Head Gaskets
[Re: headhunter]
#849278
11/09/10 09:42 AM
11/09/10 09:42 AM
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Joined: Jan 2003
Posts: 13,376 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,376
Marion, South Carolina [><]
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I spray mine w/ coppercoat on both sides and in b/t the layers. Same gaskets for the past 4 years w/ no leaks. Re-used them when I freshened it up 2 years ago too.
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
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Re: Cometic Head Gaskets
[Re: Evil67]
#849281
11/09/10 02:45 PM
11/09/10 02:45 PM
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Joined: Nov 2003
Posts: 2,715 closer to Canadian beer!
torkrules
I'm neurotic
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I'm neurotic
Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
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Quote:
I am going to use Cometic head gaskets on my 440. I have heard you should put sealer on them but the Cometic website says NOT to.
What do all of you do?
I sprayed mine but I used Hylomar blue. Took them apart and sprayed each layer. I had to take one head off and all I did was wipe them down with thinner, re-sprayed them and used them again. Zero leaks.
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