Quote:
Originally Posted by prezarevo
I just started a thread on why my head gaskets keep failing. I went through two motors in two days. I personally believe it's because I reused the bolts.
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No. This is why:
Quote:
Originally Posted by prezarevo
I'm curious to see what people think about this. I put together TWO motors. The first one a 2.5 D block with 2.5 1 heads. I used ebay "eristic" MLS head gaskets, no copper spray, and reused the head bolts. Both the head and block surfaces were cleaned with a quick skim of a scotch brite wheel. I torqued the bolts in the pattern as sugested. The second motor was another 2.5 D block with 2.5 3 heads. I used Felpro MLS gaskets. I forget what thickness they were but they were pretty thick. I did use the copper spray this time. Both the heads and block surfaces were skimmed with the wheel as well.
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My headgaskets only failed once, and it was because they were the crap original coated ones. replaced them with OEM MLS gaskets and didn't have a problem, even after not checking straightness and re-using the bolts. Only reason it came apart again is because of a spun bearing.