i have a 4.3L mercruiser i just had head gaskets,intake gaskets,manifold gaskets,and riser gaskets put on the mechanic said that it was ready to go and then i got ten miles away and it started to sound like it was missing bad and maybe knocking a little so i stopped checked the oil it was full...
I have a 4.3L that has been sitting for two years i put new batt drained fuel tank fresh gas and it crunk up and ran but not good the oil had water in it so I changed it 4 times and it was still getting water in the oil so i checked the compression 2 cylenders were 115psi so I then replaced...
