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new raw water pump & new mechanical fuel pump.

Fellow Captains, Recently had a repower on our starboard engine. It was time and it had low compression on two cylinders. Genuinely very happy with it now - couldn't ask for better. However, I'm a tinkering type and have some questions. New engine has been going through break-in as...

I feel for you. I went through something similar. Still going through it. Good compression, had it hauled out, transported, drove to new slip - then blew oil everywhere and I have two cylinders at 40psi. hang in there.

Ahoy! If you’ve seen some of my other posts you’re aware that I’ve been fighting a bum 454 in my 95 330DA. I’m afraid there’s no saving it and I’m currently sourcing a take out. My questions are- 1- with my boat being v-drive, is there any difference between a v drive and stern drive 454...

Any idea where it’s located on my 330? Can I do that without pulling the boat out of the water?

Hey Guys! Interested in upgrading my electronics. We're on the Ohio River - no need for anything to bananas or offshore capable. But I have an opportunity to upgrade our Chart plotter and add a fish finder, so I'm going to take it :) Only real stipulation - I want an In-hull transducer...

Raw after pump and fuel pump replaced… still not getting fuel. Banging my head against a wall…

Does the oil chamber for the eccentric take gear oil or regular motor oil?

Naturally I welcome ANY other ideas.

I’m pretty sure it’s not the carb. First thing I did was use a mechanical pump to get some fuel moving out of the line. Attached to carb, tried starting with starting fluid - it started for just a moment and quickly died once starting fluid burned off. Not getting fuel. replaced fuel filter...

this is helpful. Going to grab a fuel pump tomorrow and possibly a new raw water pump. Planning to see if the new fuel pump moves significantly different than my one in my hand currently. If that’s not it… probably raw water pump. Yay.

maybe it’s a v drive thing? The raw water pump looks like this...

Update: it’s either the fuel pump or the raw water pump. Can anyone tell me if the cam lobe in the raw water pump should be able to be spun by hand?

I did not have the car apart

This helped - fuel is indeed pumping. Gas on the rag…. Now what?

Connecting fuel line to carburetor. 1995 mercruiser 7.4 - it’s in a 330DA. Had to remove the carburetor - reattached and can’t get fuel now. wondering what I’m missing as I feel like it’s simple. Everything worked fine before. Tried starting fluid and engine will only run when it’s sprayed in...

1995 mercruiser 7.4 - it’s in a 330DA. Had to remove the carburetor - reattached and can’t get fuel now. wondering what I’m missing as I feel like it’s simple. Everything worked fine before. Tried starting fluid and engine will only run when it’s sprayed in. Is there an O-ring between the...

Positive the breaker was on, yes. Batteries are parallel then, thanks! So - 12v charger? I’ll probably stick with the 30 amp then. Really haven’t added anything other than the stereo?

Do I need a 12v charger? Or a 24v? Any advantages to a 40amp vs the 30?

Yea, my indicator is pegged at zero. Charger is dead. I have a 330 DA with four batteries - what should I upgrade to?