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This is a probably a complicated request. I have a purchased boat that came with the following: Simrad AP26 Simrad ac20 autopilot computer Garmin GPSmap 741xs Furuno GP-39 Furuno radar and chart plotter nav net bx2 c-map NT max I have radar, but no GPS on the chart plotter that thinks it is in...

Do the cat 3126’s have a thermostat on raw water side? I used a 14 gallon tub and dumped 7 gallons of antifreeze in it and started the cold engine until it sucked it all in. Will this be sufficient? Or is there a y in the system that doesn’t allow all areas to get the antifreeze in and the...

Can someone that knows the answer help me please? Do the cat 3126’s have a thermostat on raw water side? I used a 14 gallon tub and dumped 7 gallons of antifreeze in it and started the cold engine until it sucked it all in. Will this be sufficient? Or is there a y in the system that doesn’t...

Thanks! That helps. What other items need done. I cleaned out the waste tanks repeatedly. I flushed a gallon of pink stuff down each toilet (I have two) but is that enough? Does it hurt to leave that in anything? How do you treat the fresh water system? In the tank and pump it in with a...

I also have 3126s. This is my first winter with it on the Great Lakes and I am wanting to do my own. I am unsure how to make sure I get everything winterized. Mine is on stands, I thought about using a bilge pump and five gallon container to pump through the engine. I was just going to...

$775 valve lash adjustment sounds incredible. At this point I have everything disconnected from the turbo because I can’t see a turbo that leaks oil as ok. It shouldn’t be leaking past. As much as I hate it, I want it working on July 4th. It’s coming out one way!! So... I think the exhaust...

Hi Frank. We replaced the CAT twist on canister fuel filters along with the oil and air filters. We also cleaned the Racors. I tried running port engine with one Racor valve off and the other on and vise-versa, then tried switching the fuel tank to only run on STBD tank since it was running...

Thanks "GmrlPatton" & "JC3"!! That is Awesome!!! Thanks to "Peterkvs" for the awesome post! I ordered Rydlyme.

- Bill collector. apologize, I was not saying you were unhelpful. AND I did have a typo (thanks boater420) in my post making it look like I had ran 4 hours at WOT. However, schooling me on it (swaterhouse) was not at all helpful. Last thing anyone wants after this kind of damage is someone...

Okay, I see that. Will edit.... My fault.

Feeling a little beat up after those post. Not sure anything helpful was contributed.

SEA trial!!! NO! Trip was about 2200 RPM

History: I am a new owner of a 1996 Sea Ray 450 Sundancer with CAT 3126 engines this year. I purchased the boat with no service history. Previous owner no longer available, his wife sold boat and has no details. Engines had fresh white paint new belts, hoses, filters and air cleaners with not...

Thank you everyone for the assistance!!

Update. I PB blasted them two days now and was able to get closer and inspect the shaft. It does not appear to be cracked. I think someone used vise grips or something at some point and marred the shaft. I loosened the T handle and it did start leaking (freaked me out a bit laying on floor...

Playdate, I didn’t even realize it looks cracked until I read your post. I had to reopen and zoom too see it. Darn. I have a mix of valves. The engines are both those, but the air and generator are the ball valve type. I had never seen these.

So the “T” on the right in my picture needs loosened then then then handle on the left? Are they both right tight left loose?

This is one. Picture