Quote:
Originally Posted by mhm1966
Kevin,
I am glad you are using welding material for the USA. The stuff made in China is junk and will never provide an adequate weld. You should also make a jig to mount your exhaust manifold in so that when your done welding the holes in your exhaust manifold lineup with the threaded holes in your head.
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Chances are you will have to drill the bolt holes out a little bigger on the end cylinders #1 & #7 anyway, those style manifolds always seem to shrink in from heat.
We used to see that sort of cracking on similar design exhaust manifolds from mid 70,s Chev trucks that had propane conversions.