COMETIC Multi-layer gaskets
Hi all
Anyone got any experience with the above? I have just blown my Gp A Head Gasket after all of 9k miles!! Running quite high boost - approx 26psi, and as such need to replace with an uprated item. Cometic multi layer much cheaper than WRC Multi-layer. Is this good enough for the pressure I am running? Or should I cough up the massive amount of extra dosh?!¬?! Help!? Ta JJ |
yep they are the tits mate you can reuse them too never had any leaks yet go for it mate by the way i peak at 2bar and hold 1.5bar boost with standar cooler
:banana: |
u cant reuse them as the viton coverings come away when you split them down - -a word of warning tyhough (learn from others mistakes; ie me ;) ) unless both the head and block are 100% flat and smooth and clean - it wont make a good seal and your 150 quid for the gasket and 25 for the bolts will have just been wasted :(
here is what happens when u take it apart again.. there should be no bare metal exposed https://img.photobucket.com/albums/v...1/PB250008.jpg |
Cool
the GP A gasket had only a soft failure. All surfaces will be checked for flatness before re-assembly. Most important thing to find out is that the cometic was up to the job. Not to worried about re-using - hopefully wont need to dissassemble for a while! (Fingers crossed) |
it dont matter about the coating mate mines still good on its second use
|
My cometic has been good so far but i had the block decked & head skimed before fitting.
Simon. |
Hmm
I had the engine totally rebuilt less than 10k ago, and the head gasket failure I have had is a soft failure (leak) rather than hard failure (overheat). I am hoping not to have to skim head again, though will measure and decide on the day! Thanks one and all for the advice given JJ |
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