Add some weld material all around the ridges, and then shape and grind
until perfect. When you say the clamping surfaces are not level, do you
mean that ports 1 , 2, and 3 aren't level? If that's what you mean, I
think the bolts would pull them all flush to the head, and I wouldn't
wory about that aspect of the problem. More importantly, who made them,
and are they used? I'd avoid a fly cutter, as I imagine there could be
too much flex in the whole thing.
Good luck!!!
James J.
Michael Hartwig wrote:
>I'm a little concerned about the headers I got for my B.
>
>A. When you hold a straight edge against the flange, the clamping surfaces are
>not level. Some are off as much as 1/16"
>
>B. As you can see from pic 2. The 'ridge' is as narrow as 1/16" in some areas.
>down to 1/32" on one port. I have a feeling that is going to be a perfect
>place for blow by.
>
>http://jubjub.mine.nu/mgb/header/flange1.jpg
>http://jubjub.mine.nu/mgb/header/flange2.jpg
>
>A neighbor said to leave that ridge alone, but i'm thinking of milling it down
>flat with the rest of the flange.
>
>I can either use a belt sander and take down 2 ports at a time, or go the time
>consuming route and fly cut it with my milling machine.
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