History first ,This is my first I/O boat & I didn't get it winterized properly so I cracked a perfectly good engine.the block I took out is Volvo Penta 4.3 GL PEFS I just put a new 4.3 GM replacement long block (Brother in-law 22 yr. GM Tech & me mechanicaly inclined ) everything went great went to try it out & it flashed rite up but seems like it runs out of gas after about 15 -20 seconds. put a new cap & rotor because it was coroded no change .Took the fuel line off the carb & there is fuel being pumped when engine is cranked over . During motor transplant I did have the intake & carb upside-down to clean off old gasket (brother-inlaw thinks that it may have had dirt in carb & turning it upside down was not good ). last night took off carb didn't see any amount of dirt in the bowl but I will blow it out before I put it back together ( just waiting for a carb kit ). As far as we can tell it is in the right firing order & have the timming set but can't get timming set accurately untill it will idle good. Any help will be appreciated
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