Ok, I finally fixed my boat (and boy do I feel stupid!) I isolated that fuel filter housing, I insulated the fuel pipes with some heat reflective...
I Have to tell you Cap< I did not fix my surge (which was even worse this weekend in the 95 degree heat) but I did cruise at 3600, dropped to 6gph...
Thanks for the reply.... yes, if I get carb cleaner or brakecleen (alcohol) to the flame arrester, she'll light right up (as long as I enrich) but...
By the by, the fuel pump is new, carb overhauled (remember, same symptoms, 3 seasons) and she will crest 4600, and she can cruise at 3800, just...
I'm having trouble with a consistent intermittent clog, that goes away, and will come back only after warm and extended idle, then it clears...
we did have these symptoms with the old engine as well
she will even give me a lean backfire if I apply too much throttle during these symptoms
yes, and the throttle is being applied to the carb exactly as it is when the engine is not surging (not a throttle linkage issue)
I am the proud owner of a '78 Catlina express cruiser. I inherited the boat from my deceased father-in law and have been restoring/cruising for...
