Didn't mean to get anyone upset. Like mentioned earlier, a guy wanted some help, and most suggestions were good ones.
Some actions (while well intentioned) are a bit over the top, or even counterproductive.
I am not making any personal attacks, and certainly, differing opinions should not be reason to stop posting.
Silicone at the base of the heatsink/head, will not contain combustion pressure. No point to this practice. If you believe otherwise, then by all means go for it!