Recent update decided to start a new thread since its a new problem.. my 4.3 is having an issue where it will fire and run for a while, few minutes, then die. And it runs really rough at 2800/3000 rpm which is as high as it will go on land or in water. Its draining the fuel filter halfway then...
So i will try to include as much detail as i can as to what ive done so far. I bought an 89 seaswirl sierra classic with a blown up 4.3 motor. Engine is a 94 vortec motor that had been swapped in ten yrs ago or so. The engine had somehow broken a ring in cyl. #2 and the piston melted/came...
