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Questions regarding 84 aft cabin
- Dad Joke
- Scurvy Dog
- Posts: 31
- Joined: March 19th, 2021, 4:49 am
- Vessel Info: None yet
- Location: Bowie, MD
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Questions regarding 84 aft cabin
Which engine spins in the conventional direction (same as automotive application)? and which spins opposite?
Thanks.
- Phrancus
- CYO Supporter
- Posts: 393
- Joined: October 1st, 2020, 10:03 am
- Vessel Info: Sold: Carver 26 Command Bridge / 280 sedan 1992.
- Location: Netherlands, Europe
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Re: Questions regarding 84 aft cabin
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- CYO Supporter
- Posts: 6069
- Joined: July 10th, 2015, 9:58 pm
- Vessel Info: 1989 Carver 3807 Aft Cabin
- Location: Ontario, Canada
- Has thanked: 460 times
- Been thanked: 1711 times
Re: Questions regarding 84 aft cabin
Are the transmissions missing? The boat model and engine info would help. Hopefully a member with the same model will chime in with the info you need. Also a call to Carver with the hull number will lead to what she was equipped with when she left the factory. It's likely a Velvet Drive 72C, but gear ratio is important.
- denders
- Deck Hand
- Posts: 78
- Joined: August 24th, 2015, 6:21 pm
- Vessel Info: 1985 Carver 3607 Aft Cabin
- Has thanked: 2 times
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Re: Questions regarding 84 aft cabin
- Dad Joke
- Scurvy Dog
- Posts: 31
- Joined: March 19th, 2021, 4:49 am
- Vessel Info: None yet
- Location: Bowie, MD
- Been thanked: 3 times
Re: Questions regarding 84 aft cabin
The reason for all these questions is because the port engine is seized. The engine that turns opposite from conventional will be more expensive to replace. It sounds like the port engine would be the less expensive one to replace, based on Viper's response.
- RobGunn
- Deck Hand
- Posts: 63
- Joined: September 27th, 2017, 3:08 pm
- Vessel Info: 1990 Carver 3607 Aft Cabin
"FINALLY" - Location: St. Joe MI
- Been thanked: 23 times
Re: Questions regarding 84 aft cabin
I do wonder that even if you do have opposing engines, I wonder if you could simply use a normal rotation engine and setup you transmission to run backwards? Maybe someone else on the forum could answer that? Basically replicate what my boat is doing?
- Cooler
- Admiral
- Posts: 1665
- Joined: May 22nd, 2018, 12:09 pm
- Vessel Info: 1995 Carver 330 Mariner
Twin 350XL Crusaders
Home port: Menominee, MI - Location: Green Bay, WI
- Has thanked: 68 times
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Re: Questions regarding 84 aft cabin

( All weather people have to say this on air, near lakes )
- km1125
- Admiral
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Re: Questions regarding 84 aft cabin
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- CYO Supporter
- Posts: 6069
- Joined: July 10th, 2015, 9:58 pm
- Vessel Info: 1989 Carver 3807 Aft Cabin
- Location: Ontario, Canada
- Has thanked: 460 times
- Been thanked: 1711 times
Re: Questions regarding 84 aft cabin
Pretty sure that's not the case on an '84RobGunn wrote:Source of the post I have a 1990 aft cabin 3607 with twin Mercruiser engines 7.4L (454 ci). Both of my engines rotate the same direction, the propeller rotation on one side is change by the transmission......
Doable with more modern transmissions but not of that era, that's why the counter rotating engine was used.RobGunn wrote:Source of the post.... I do wonder that even if you do have opposing engines, I wonder if you could simply use a normal rotation engine and setup you transmission to run backwards? Maybe someone else on the forum could answer that? Basically replicate what my boat is doing?
If there's a re-power in order, go with standard rotating engines, and newer tannys that will run under full load in either direction.
- bud37
- Admiral
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Re: Questions regarding 84 aft cabin
Dad Joke wrote:Source of the post It has 2 Crusader 270hp 350ci engines. Straight drive, not V-drive.
The reason for all these questions is because the port engine is seized. The engine that turns opposite from conventional will be more expensive to replace. It sounds like the port engine would be the less expensive one to replace, based on Viper's response.
Welcome Dad.....can I ask you a question ?......Let's say all is well and this boat passes the hull and deck survey with flying colors.....now the big question, how much would you consider spending on the mechanical ++ refit and how long will you keep the boat after the refit ??
Reason I ask ,if it were me considering the one engine is locked and there is no telling what the shape of the other or both trans are , I would do a complete both side repower with the trans to upgrade to newer reliable equipment, but only if you are going to keep this boat for a fairly long time. Yeah I know it is easy for me to spend your money but it is just one thing to consider along with what the finished product is actually worth on the market should you change direction.......good luck going forward, these adventures can be alot of fun.

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