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    overheating mercruiser 228

    1978 mercruiser 228 overheats. new sea water pump, cleaned manifolds and exhaust elbows, what is the water flow rate incoming from the sea water pump at idle? , at higher speeds? I checked it at the hose coming into the power steering cooler and it is about 1.5 quarts in 15 seconds at idle...
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    Overheating slowly

    Mercruiser 228 305 cid chevy. 1978 sea ray When run on muffs or in the bay at 1000 rpm never overheats but when throttle is advanced to 2500 rpm or over the temperature gradually climbs into the red and won't come down till throttle is reduced to near 1000 rpm. New water pump kit installed...
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    1978 305 acceleration and high speed problem

    Hi ,, 1978 sea ray with 305 228 hp quadrajet carb. Starts fine idles fine, accelerates ok if throttle pushed very slowly up to 3100 rpm. If i try to push it any more the engine starts to run rough and looses rpm, i have to reduce the throttle to about 1500 rpm before the engine smooths out and...
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    1976 evinrude 70 runs good at idle and high speed but bogs down in transisition

    The coverplate for the carburators has been missing, could this be the problem with the apparent too lean mixture in the transition from idle in gear and high speed in gear? This engine runs great at idle and high speed but the engine bogs down in the transisition unless I choke it a little in...
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