Ported LS1 heads with rocker arm bolt holes in intake runner
#1
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so i know that any kind of head that is ported will have these holes, but i was wondering if i should patch these up, or what type of sealant i was supposed to use on the rocker arm so oil doesn't bleed through into the cylinders?
#2
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I was wondering the same thing after looking at my heads today. I guess a good heatproof silicone sealant would take care of any intake leaks associated. I have some quality aviation stuff I'm thinking of using.