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    AQ151B Head Gasket Problems

    Any experts on this subject ? I have rebuilt my AQ151B 1 yr ago and now am looking at replacement of a 3rd cyl head removal to resurface the head & replace the head gasket again. Very frustrating as I'm using the best machine shops in my area who have marine expertise. The engine runs...
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    Aq151b sohc head for a aq171 dohc head ?

    Can I install a DOHC head from a AQ171 to my AQ151B eng ( if I can find one ) ? Reason; looking for more performance on my 18' on a VP290D drive with a 2.15 ratio. If this is possible, how much more perf might I expect ? dearborndeuce in BC thks
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