Quote:
Originally Posted by rszmjt
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.
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Thanks for the tip. I will test fit the manifolds and see how they fit before welding. I can always hit the bolt hole with a die grinder.