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My Cummins onan 2.8 just started developing a nasty oil leak, I recently discovered it was getting very hot by the head I've got it leaned out as far as I could get it without surging new plug new oil 660 hours on it after I felt it was getting a bit hot from the backside I went through and tuneducated everything still runs to rich and stinky had nasty crap in the bottom of the crankcase so I ran it 3 times changed oil three times got it smooth and nearly clean running then got it hot changed the oil again and now oil is soaking the rag I have plugging the drain hole after it started leaking more and more I found, small leak by the head two headbolts were tight the right side two were not but I don't see the big leak leaking almost a ounce every hour oil starting to develop around head by gasket before I tinkered with anything. I was forced to add air hole locations around head area as head was just getting to hot no matter what I do since I got it using racing 40 with a little zinc it runs good now heat not so bad but right near the bottom of the motor is a leak I cannot find not drainplug, anyone know how hot these things are supposed to get and where most likely a oil leak will develop on the onan 2.8 which is used with nearly every dolphin? Small leak by head and oil coming from back near drain plug getting worse and worse everything runs great on it but I can't nail this oil leak unless I rip the generator out if these things overheat do they crack or warp or what? Please someone has to have run into this issue I did hit a pothole that may have nailed the already damaged deck with asphalt but I found no damage indicating this could have nailed my Cummins 2.8 onan starter and brushes I do know need replacement so many hours the starter is having troubles kicking the first couple strokes found small amounts of oil leaking into the cylinder might be the cause after giving thicker 40 racing oil as it is worn and has no oil filter kicks easier now finding lots of oil leaks but hardly have to fill it I'm not finding much that I have to refill with been a week soaked three rags put maybe a ounce of oil in it if that already 50 hours since last change I've looked all over only one spot I'm seeing fresh oil come out by the head near muffler how durable are these things to heat someone please help about to lose my rear end all my leaf spring bushings are mostly gone icant afford another generator or home, lost my doctor again no chance of surgery because this is my only home nothing to help with pain management and I need tons of meds to live but because I'm homeless in which racist doctor caused because he hates America I'm screwed every day is a year off my life if I tear this out I have to know what I'm looking for so I'm prepared for the worst please help just getting the conduit out means bending the coach frame support its pinched in between frame and deck no clue how I can get conduit free far enough to get the genset out I can't afford another generator 660 a month doesn't even get me plugged in for 3 weeks in Oregon.