Topic: 39 flathead -are RH LH/ heads interchangeable??


callbald    -- 09-28-2015 @ 5:45 AM
  I was told there is no funtion/fit difference between the RH and LH heads and in that Ford sometimes put the LH 81A-6050 heads on both sides.

Sounds nutty to me. the heads do look the same with center water outlets, water temp ports on the same side, bolt patterns


alanwoodieman    -- 09-28-2015 @ 1:11 PM
  heads will work on both sides, to be correct the numbers on the heads should face each other at the rear of the block


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