Thread: leaking headers
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Old 09-19-2015, 08:45 PM   #5
BigMike
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Join Date: Sep 2004
Location: Rancho Santa Margarita - SoCal
Posts: 1,432
Re: leaking headers

I have Sanderson shorty headers on my truck (I believe CC11?) and they have never leaked. I use the black RTV as they suggest (I think thats what it was, been so long). I put a little bit on the ends of the header bolts too and they've never backed off. I repainted my engine after taking it out to fix a couple oil leaks, I scraped the old black RTV off, applied new, put the header on a little more than finger tight and then went back out the next day and tightened them more. Never had an issue. Now I don't think you have to wait 24 hours to tighten them back up, but it's worked both times I've done it and never had any issues at all.
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