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Old 07-04-2008, 07:03 PM
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Originally Posted by ImRoyaltyInMyChevy
so what are you exactly asking here? because on sbc's you don't need any kind of sealant on the head bolts so it wont make a difference what someone put on them.
and did you know this 307 when it was running? becasue then you would know how it ran and if anything was leaking from the head gaskets
Sorry, but this is very bad advice. As already stated, the headbolts on the SBC motor enter the water jacket and MUST be sealed. My own engine currently has the heads off (and cam out) and I found RTV on the bolt threads. Bit of a pain cleaning it all out of the bolt holes in the block, but it's certainly not a sign of trouble... just a questionable choice of sealant (but that's a personal choice). I'll be using Loctite 572 with new bolts on reassembly.

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  #17 (permalink)  
Old 07-04-2008, 11:26 PM
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I take it you never broke a head bolt? or any bolt? they feel like a spounge when they are about to break. I only use RTV when and where it`s needed and rather sparingly, to this day I haven`t had any issues. To each of his own, your welcome very much.
LOL Whoa! Since you're asking... I never broke a head bolt, but then I don't reuse them either. Notta, never. I have though broken many bolts, and studs, and stripped many things, including myself. I'm just not a big user of RTV. I cringe at the sight of it, all of those big globs everywhere, like a can of worms.
Permatex #2 or #80019 for me
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