I would like to know too because I've already installed my BAS and I have a great seal at the heads (checked underneith with a flashlight, looking at the ports for black soot, but see dull copper from the oval copper gaskets) and don't/can't want to remove it
I can tell you that the paint on my apron is cracking from the heat from the header. Actually, I think it is the filler that cracked. I want to replace it with an FI apron and cut some cooling holes in it.
There is not alot of room for that header behind the apron. I actually had to cut a bit of the sheilding from the back of the apron so the header would not touch the back of the apron. The FI apron has the room behind it so it should be less of an issue.
Sandeep
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