Winterized 4.3L according to Mercruiser Manual but did something wrong because I have water in all cylinders. Cleaned all drain plugs to get complete drain down and refilled both block and manifold with RV anti-freeze.
This is the dry joint manifold design and I wonder if it's possible to have...
4.3L/LH 2-BBL (2004) was running hot (up to 190 deg) with hot riser on one side so changed the impeller and motor is now running 160-175 but now experiencing some dieseling unless I let motor idle for several minutes before turning off.
Used some seafoam during this same run because had trouble...
Just installed factory exhaust manifold on port side to get dry-joint back to original setup, previous owner had installed after market manifold and it was leaking. The riser looked ok so re-installed with new manifold. Removed hoses leading to risers while engine was at idle and same amount of...
Looking for right prop for my 1992 23' trophy that is equiped with 4.3L (2-bbl 200hp +/-) engine and Alpha-One Gen II (CR, 1.47 ratio) outdrive.
The boat with 4-6 passenger, half tank and misc probably runs 4500-5000LBS. The boat currently runs at 25-27mph at WOT (4000 rpm). The comfortable...
Have a 4.3 vortec that started fine till recently. Batteries are fully charged but need a jump to barely turn engine over. Makes a loud clunking noise while starting but runs fine once running, 4000 rpm with plenty of power. Able to turn engine with breaker bar with plugs still in place. Oil...
