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Ok, so for those not following the epic money pit story of my truck here's the backstory. Truck was dusted in previous life, and after I got it, it failed catastrophically by ingesting it's own compression rings on #5&7 cylinders. Now for my new problem. During re-assembly of my newly purchased long block, I noticed a gouge in my timing cover at the mounting surface for the main oil pump. Specifically the gouge is between the oil intake side and the oil output side of the cover. Like the original oil pump picked up the ring bits from the failure and then dug a trench in my cover. This obviously has a problem for flow and pressure. So here comes the dilemma. Local machine shop said they could dig it out, and heliarc/tig weld the aluminum back to fill it in, then machine it down flat. The IH house wants $393 for a replacement. The dilemma comes from what I'll loose by having it fixied. That would be several thousandth's off the mating surface and the forward face surface that mates to the oil pan. So does anyone know of any problem with having this kind of work done? The shop quoted $130 to fix.
That shouldn't be an issue. How deep is it? I have a front cover at the machine shop right now, they are removing a few thousands from the oil pump mating surface because mine has some scratches in it as well.