BR3
Full Access Member
You even put them in a studded 6.9? I though the issue was with non studded early build versions seeping.If the gasket is damaged replace it, don’t forget to put your coolant passage inserts in the gasket or you’ll be pulling those heads off again in no time. I don’t like to clean threads that aren’t damaged with a tap, it can weaken the threads. The chaser is worth it imo even if you are just doing this job once, but if you don’t want to spend the money, just take an old headbolt and cut a vertical slot in it and use that to clean the threads, don’t use a tap.
I know this is actually a hot topic in a different thread about the cooling mod, just wondering why block it if it already had it and your studding
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