Yes I did use arp thread sealant on my short head bolts. Where did you get the studs you are talking about? Are they ARP?
Cometic Head Gaskets LEAKING!
- Thread starter soontobefastfox
- Start date
Yes I did use arp thread sealant on my short head bolts. Where did you get the studs you are talking about? Are they ARP?
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ETA: Here is a link for the bushings I'm talking about. I did use ARP studs and bushings with mine, and they came with the bushings in the kit, just a different part#
http://www.trickflow.com/partdetail.asp?part=TFS-51400419&autoview=sku
http://www.trickflow.com/partdetail.asp?part=TFS-51400419&autoview=sku
1991vert
10 Year Member
cometic head gaskets need a certain finish on the block. that's why a lot of people on here stay away. should've done your research
Hmm that's interesting, I called Cometic while my block was being machined (brand new Ford 302 Sportsman) and asked them if there needed to be any special finish (also asked if they needed to be sprayed with copper), they said that it does not need a special finish or anything of that sort. I had the sportsman block re-decked so had a better smoother gasket mating surface. So please do not come into a thread and just accuse someone of not doing their research.
Oh and this is NOT just a Ford small block issue. My buddy had the exact problem as me with his 92 eclispe with cometic head gaskets.
The bushings are PT 200-8598 $41.00 (sold in packs of 10/each)
Hope that helps....
Thanks Rick!
gcomfx.com
Founding Member
You basically insulted everyone that's ever had a cometic gasket fail. Watch my video before you jump on the wrong bandwagon. My set failed INBETWEEN the layers. There isn't a smooth surface on the planet that they would have sealed up on.
You basically insulted everyone that's ever had a cometic gasket fail. Watch my video before you jump on the wrong bandwagon. My set failed INBETWEEN the layers. There isn't a smooth surface on the planet that they would have sealed up on.
I've got your back gcomfx!
1991vert
10 Year Member
You basically insulted everyone that's ever had a cometic gasket fail. Watch my video before you jump on the wrong bandwagon. My set failed INBETWEEN the layers. There isn't a smooth surface on the planet that they would have sealed up on.
http://www.cometic.com/faq.aspx#q4
"A surface finish of 50 RA (roughness average) or finer, is recommended for a proper gasket seal. Anything rougher may conflict with the gasket design. "
right off their website. i'm building an engine right now using cometics.
gcomfx.com
Founding Member
Stop posting and look at my video.
Nothing you are posting will stop a DEFECTIVE gasket that FAILS in between the layers. 
Cometic even inspected the bad gaskets, admitted they had issues with them, then sent me FREE replacements. No questions asked. It had NOTHING to do with improper installation. Never have I said ALL cometics are bad. Never have I said NONE of them will seal. But it is confirmed they had production issues and were working on a solution.
My engine builder was instructed by cometic themselves to use a sealer the second time. The sealer was for the edges of the gaskets. Guess what, it seemed to have held. Interesting huh? Surface is the same, seals up after you coat the edges of the gaskets.
We'll confirm they actually held, when I get time to yank the engine out again. Until then, good luck. Maybe you won't be one of the few that gets bit from DEFECTIVE gaskets that are PROPERLY installed.
Now I know why I rarely venture out of the 94-95 section.
1991vert
10 Year Member
Now I know why I rarely venture out of the 94-95 section.Going back to my hole.
k bai
gcomfx.com
Founding Member
Just remembered. I was invited here... Helping a fellow stanger is much more important than arguing with you.
Helping a fellow stanger is much more important than arguing with you.
Just remembered. I was invited here...
Thanks!
Lets not argue! I just wanted to let people know my horror story and see if others had any other problems/experiences.
gcomfx.com said:Just remembered. I was invited here...
And a moderator set up the initial contact between the members who have had issues with the Cometic gaskets, so I'm glad it's been steered back to a discussion about a solution to the issue with facts. Let's please keep it that way gentlemen. Thanks Paul for coming over and helping out!
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