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  1. petes penn

    Intake/Exhaust manifolds .....Risers......

    Ok so GM 350.......How does one know when their exhaust manifolds and risers are bad? Tell Tale signs? Mine look ok but I am not entirely sure what to look for. Also, Intake Manifolds. Marine manifolds I am told are lined with brass or bronze whereas auto/truck are not. I understand this is...
  2. petes penn

    Truck Engine in a Boat??????

    So my engine is toast.....rally toast. I have searched and found that several are using GM 350's from trucks. Has anyone had any luck or horror stories with these engines? Just want to get some input before I purchase one. Thanks in advance.
  3. petes penn

    Slow cranking 350....more details inside....

    hello all, new to the boating world. Well, the larger boating world. I just purchased a 1975 Penn Yan Tunnel Drive boat. It is 20 feet long and has an inboard GM 350. I have been having some issues getting it to start. The following is a list of NEW parts I have purchased and installed over the...
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