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Help!
- Grafunkus
- Captain
- Posts: 202
- Joined: September 2nd, 2015, 5:22 pm
- Vessel Info: 1982 33' Carver Mariner
1985 3607 Carver Aft Cabin - Location: Manitoba, Canada
- Has thanked: 63 times
- Been thanked: 32 times
Help!
- bud37
- Admiral
- Posts: 4677
- Joined: April 23rd, 2015, 10:22 pm
- Has thanked: 547 times
- Been thanked: 1143 times
Re: Help!
http://www.boat-fuel-economy.com/fuel-c ... calculator
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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
- Has thanked: 313 times
- Been thanked: 581 times
Re: Help!
The only thing you could really do is drop to 305's (5.0 liters). If you do that you would need to change props also. If you use the same props with lower output motors, you will "lug" them and use more fuel than with your 350's. If you go with fuel injected 305's you would most likely be about the same out put as your 350's so you could keep the same props.
So do you replace a transmission for 6-10k, or replace two engines one transmission for around 30k?
If your engines are fine, find someone to rebuild the trans. 4-5k.
- waybomb
- CYO Moderator
- Posts: 2407
- Joined: February 5th, 2013, 9:24 pm
- Vessel Info: 1995 Boston Whaler Rage15
1987 3697 Carver Mariner
1988 Cougar 46 Kevlar Vee offshore
1969 15' Glasspar / 1967 Johnson Electromatic 85
1996 Boston Whaler Rage 15 - Location: Saint Joseph,Mi
- Has thanked: 50 times
- Been thanked: 397 times
Re: Help!
1989 4207 w/330hp mercs
1987 3696 w/350hp Crusaders
46' Cougar, total 2700hp.
St Joe to Chicago, putz around, maybe go in the locks, and back to St Joe:
4207 - 6 hours, 180 gal of fuel
3696 - 4 hours, 160 gal of fuel
Cougar - 1 hour, 180 gal of fuel.
To move 20,000 lbs of boat 80 miles takes about the same amount of fuel burn. Hull and engine efficiency play a roll, but not much. The work done is 1,600,000 mile pounds. I know, no such measurement exists, call it Fred'sTheorum, but my point is x to x uses x amount of fuel, more or less, at cruise speed
Just one is way more fun, load, and fast.
Fred
1969 Glaspar Avalon /1969 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572 ci
1995 Boston Whaler Rage
Past - 1988 2807, 1989 4207 Aft
- RGrew176
- Admiral
- Posts: 6216
- Joined: August 17th, 2015, 4:07 am
- Vessel Info: 2022 Stingray 182 SC
- Location: Southgate, MI.
- Has thanked: 72 times
- Been thanked: 464 times
Re: Help!
Good luck with whatever you decide.
2022 Stingray 182 SC
2004 Past Commodore
West River Yacht & Cruising Club
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- CYO Supporter
- Posts: 5803
- 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: Help!
I'm assuming you have v-drives, if so, what kind, are they separate from the engine? Or do you have a straight shaft out application?
Get the numbers off the transmission, there should be a plaque on it. Write down your engine serial number too, and call Anthony Keates Marine in Wheatly Ontario. You can have the marina remove the transmission, you ship it to Keates yourself and have them assess, rebuild or replace. Where in Manitoba are you? There may be opportunities/suppliers across the boarder worth exploring too if you're close and can pick up yourself. In other words, you supply the marina with the replacement so you're not paying their full markup.
http://www.anthonykeatsmarine.com/
- RGrew176
- Admiral
- Posts: 6216
- Joined: August 17th, 2015, 4:07 am
- Vessel Info: 2022 Stingray 182 SC
- Location: Southgate, MI.
- Has thanked: 72 times
- Been thanked: 464 times
Re: Help!
2022 Stingray 182 SC
2004 Past Commodore
West River Yacht & Cruising Club
- 390Express
- Captain
- Posts: 238
- Joined: April 6th, 2018, 2:15 pm
- Vessel Info: 1996 390 Trojan Express
- Location: Michigan
- Has thanked: 141 times
- Been thanked: 15 times
Re: Help!
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