Recent content by EM1

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    Different impeller?

    Replaced the waterpump in 70hp chrysler. The old impeller had 12 fins. The new impeller has only 6 but are twice as long as the old one. Was told that more fins = more presure. Less longer fins more volume. 12 fin impeller will fit new housing. Using new impeller. Which is better more...
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    70hp chrysler overheating

    Pulled the head and cleaned water ports. Replaced head gasket. New waterpump housing/impeller. Motor runs good. Get excelent water flow in trash can high and low rpms. Run the motor at full throttle on water. Water flow is not steady. It serges out about once a second. Motor got hot...
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    Locating water pump kit

    Having cooling problems like those described by others. Suggestion was made to someone to replace the entire water pump rather than just the impeller alone. Having trouble locating a waterpump kit on this site or finding other sites that may have one. Any suggestions or directions...
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    71 70hp chrysler overheating

    Have a 70hp chrysler that was garaged 8 years ago because of overheating even after being worked on twice.$$$ Pulled boat out. Starts good runs good. Seems to circulate water ok at idle. No water coming out at about half throttle and faster when moving on the water. Put motor in trash can...
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