I am at my wits end with a 1986 Mercruiser 3.7 170 aka 470. It is coupled to a Alpha 1 Gen 1 outdrive sitting in a 1986 Searay Seville CC 19'. I have a cracked exhaust manifold (cant seem to find a decent used one), low compression across all 4 cylinders (65psi) and a leaky oil pan. I am...
