'80chriscraft
New member
Hello,
I have 1977 Chris Craft Super Sport with a 305K Marine Power engine. For the most part the boat runs pretty good, but after about 15 minutes of running the boat at various speeds the motor wants to bog down around 1200 - 1500 rpm. It will mostly run pretty good after a little hesitation, but generally the longer I run it the worse it runs. It also gets harder to start...starter drags....the longer I run it.
I've only owned it for a couple months, so I'm still sorting it out:
Mechanic fuel pump...looks like it was replaced at some point
Holley 4bbl carb
HEI conversion kit ignition, manufactuer unknown. It looks like the distributor is not a marine distributor, which is one of my concerns. It has connection for vacuum advance, but it is just left unattached? I'll send a pic. I've order what looks to be the correct replacement cap, rotor, coil, but if the distributor isn't correct for the motor, not sure I want to put replacement parts in it.
The boat also seems to run a little cold... maybe 125 F. Thermostat is probably stuck open.
Choke on carb is working good... stays open once it's warmed up.
Any help would be appreciated.
I have 1977 Chris Craft Super Sport with a 305K Marine Power engine. For the most part the boat runs pretty good, but after about 15 minutes of running the boat at various speeds the motor wants to bog down around 1200 - 1500 rpm. It will mostly run pretty good after a little hesitation, but generally the longer I run it the worse it runs. It also gets harder to start...starter drags....the longer I run it.
I've only owned it for a couple months, so I'm still sorting it out:
Mechanic fuel pump...looks like it was replaced at some point
Holley 4bbl carb
HEI conversion kit ignition, manufactuer unknown. It looks like the distributor is not a marine distributor, which is one of my concerns. It has connection for vacuum advance, but it is just left unattached? I'll send a pic. I've order what looks to be the correct replacement cap, rotor, coil, but if the distributor isn't correct for the motor, not sure I want to put replacement parts in it.
The boat also seems to run a little cold... maybe 125 F. Thermostat is probably stuck open.
Choke on carb is working good... stays open once it's warmed up.
Any help would be appreciated.