Greetings,
I have a Chaparral Signature 240 with a 5.7L TBI Mercruiser. It has closed cooling, and a sea water pump that circulates off the serpentine belt. I have no gauge telling me what the raw water pressure looks like, my fear is that the impeller might malfunction and cause the raw water...
I have a 1998 5.7L TBI Mercruiser Alpha 1 gen 2, closed cooling, that's having problems. I recently installed a new long block along with manifolds & risers as the original motor blew with about 870hrs on it. The issue I am having is it will only idle for about 15-20 seconds, after this the IAC...
