I just need some opinions please. I am in the process of assembling my motor and i am between minds which headgasket to use. Like most aftermarket products i have heard some good and bad reviews about cometic headgaskets but i assume most of the bad reviews are due to incorrect installation. Do you guys have any experience with them and are they better than a TRD headgasket?
The only reason i am skeptical about the TRD gasket is because my bore is 81.5mm and the TRD is 81mm
I guess I've been fortunate, because I only had my head skimmed when I used a Cometic MHG on my blacktop. Since it re-spun the same bearing in about 20 minutes, I then had the crank turned and reused that MHG with no issues. I couldn't justify junking a $100 MHG with only 20 minutes of use and luckily it still sealed.
I has a similar situation as you, I had a cometic that only got about 2 hrs work but I wanted to be safe than sorry so I didn't use it. I actually gave it away and the guy has been use it for about a year without issues
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