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A bit of a story here but.... I have a 1969 Mercuiser 160 HP straight 6. In trying to find a replacement intake manifold I found......none to be found. So I bought a "log style" made by Barr Marine which fits the 1970 and later Mercuiser 165 which as far as I can tell is identical dimensionally...
I am new to this forum but have been operating and rebuilding boats almost my entire life. I operate on Lake Winnipesaukee in NH. I currently have a 1969 Mercruiser 160 inline 6 that is driving me crazy with backfiring under load around 3000 rpm but it is inconsistent. The engine has been pulled...
