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85 Mariner 36'
- abe313@gmail.com
- Scurvy Dog
- Posts: 2
- Joined: November 23rd, 2016, 8:37 pm
- Vessel Info: 1985 Carver Mariner 36ft.
- Location: Seattle Wa
- Has thanked: 1 time
85 Mariner 36'
i have an 85 Mariner 36' and the starboard engine (454) engine is in need of some work or replacement.
What Generation of Mercruiser 454s were originally in this boat and what rotation direction does the starboard engine turn. is it the standard or opposite rotation engine on the starboard side?
Thanks
Abe
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- CYO Supporter
- Posts: 5799
- Joined: July 10th, 2015, 9:58 pm
- Vessel Info: 1989 Carver 3807 Aft Cabin
- Location: Ontario, Canada
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Re: 85 Mariner 36'
This link might help:
https://www.perfprotech.com/blog/boat-a ... ne-engines
In a straight shaft application, the starboard side is the counter rotator and the port side is the standard rotation engine. If the application has v-drives, the standard rotator will be on the starboard side. Of course this is providing nothing's been changed by a previous owner. If you can crank the engine over, see which way the engine turns over. The direction is determined by standing behind the engine, facing the flywheel and noting which way the flywheel turns. Your vintage has a counter rotator unless something has been changed.
What's wrong with the engine?
- abe313@gmail.com
- Scurvy Dog
- Posts: 2
- Joined: November 23rd, 2016, 8:37 pm
- Vessel Info: 1985 Carver Mariner 36ft.
- Location: Seattle Wa
- Has thanked: 1 time
Re: 85 Mariner 36'
When i bought the boat, the previous owner said that it had thrown a lifter by being revved up to high prior to it being properly warmed up. so they rebuilt the top end. while putting it back together, they discovered that the exhaust manifold was cracked and stopped where they were. At this point, the intake manifold if off and the exhaust is off.
I'm debating on trying to put it back together or buy a new one to drop in. I dont have a lot of experience with engines and it seems no one will touch it half put together because they dont know what has been done to it.
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- CYO Supporter
- Posts: 2290
- Joined: March 28th, 2016, 10:52 pm
- Vessel Info: 1998 Carver 355
Suspicious Fishes !
2022 Kawasaki 310X - Location: upper chesapeake bay
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Re: 85 Mariner 36'
Even so, if the heads are on you can do a compression test, this would give you an idea if it is worth putting back together for a try. If it checks out, and you put it back together and it runs fine great. If not your only loss is an intake and exhaust manifold gasket and associated labor.
- bud37
- Admiral
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- Joined: April 23rd, 2015, 10:22 pm
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Re: 85 Mariner 36'
-
- CYO Supporter
- Posts: 5799
- Joined: July 10th, 2015, 9:58 pm
- Vessel Info: 1989 Carver 3807 Aft Cabin
- Location: Ontario, Canada
- Has thanked: 431 times
- Been thanked: 1586 times
Re: 85 Mariner 36'
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