The long tube Hooker header flanges get real close to bottom edge of the deep 904 oil pan. I am working on re shaping the pan in one section to allow for proper clearance.
The cut out provides ample room, my welding skills are adequate, but to get this done the best way possible, I have a few questions.
1) the cardboard templates will be used to size the pieces to be welded in, is there an advantage to making the long sides on the rectangular piece
maybe 1/4 inch longer to do a lap seam,, or would a butt weld be fine? The cuts in the pan are pretty straight, there will be some small gaps, but I believe I can
cut the weld in pieces to just about snap in place.
2) If all butt welds I know that I can get all but one seam welded from inside the pan, the wing close to the end may be too tight to get the weld tip in...
If I have a choice, does it make a difference if the welds are inside or out side the pan for sealing? I plan to gravity leak test the welds prior to re installing.
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