Quote:
Originally Posted by srmmmm
Be cautious with a new aluminum repop. Before you spend the money for port matching, test the threaded holes for proper fit and perform a pressure test with dye penetrant if you can. I went through two RA-IV reproductions to get a good one. The first was a porous casting that had pinhole leaks in the front runners and crossover, the second suffered from temperature sender holes that were tapped too large in diameter.
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That sounds painful. Are there certain companies/castings that are better than others?