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Author Topic: inboard boat engines  (Read 2571 times)

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Kevin Wood

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Re: inboard boat engines
« Reply #15 on: 08 April 2010, 12:20:37 »
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Have done this using a perkins engine, MILNER do a "marinization" kit which is very cheap. You will need afilter kit too for water cooling to take away the possibility of fish, debris, etc going into the engine. Easy to do, and really a good option if you want torque, but not really balls-out speed. If you want speed, go for a "ROCHESTER" conversion on a 2.2 miggy engine with fuel injection. Goes well, and quite cheap too!!

Mike.

Mike, point me in the direction of the rochester conversion.The boat is designed to hit 55mph. Web link or what ever would be appreciated :y :y
Kev

This it what I'm building..................................

[/img]


gorgeous  :y
:-*

Surely putting a straight 6 in that would be like putting a straight 6 in an AC Cobra? Just not done. Needs a V8 IMHO. :y

Kevin
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splott

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Re: inboard boat engines
« Reply #16 on: 08 April 2010, 12:29:20 »
Surely putting a straight 6 in that would be like putting a straight 6 in an AC Cobra? Just not done. Needs a V8 IMHO. Kevin

There is a finance thing too, for me looking at a tourquie deisel. I would love a V8 but the grunt is not right through the full rev range. It would have to have a cam change or drastically chipped. Down to cost :'(
Kev
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Kevin Wood

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Re: inboard boat engines
« Reply #17 on: 08 April 2010, 13:07:02 »
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Surely putting a straight 6 in that would be like putting a straight 6 in an AC Cobra? Just not done. Needs a V8 IMHO. Kevin

There is a finance thing too, for me looking at a tourquie deisel. I would love a V8 but the grunt is not right through the full rev range. It would have to have a cam change or drastically chipped. Down to cost :'(
Kev

Doesn't have to be a petrol V8. ;)

Kevin
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splott

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Re: inboard boat engines
« Reply #18 on: 08 April 2010, 13:11:43 »
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Surely putting a straight 6 in that would be like putting a straight 6 in an AC Cobra? Just not done. Needs a V8 IMHO. Kevin

There is a finance thing too, for me looking at a tourquie deisel. I would love a V8 but the grunt is not right through the full rev range. It would have to have a cam change or drastically chipped. Down to cost :'(
Kev

Doesn't have to be a petrol V8. ;)

Kevin

What out of?
 I have noticed though, that its cheaper to buy the whole car than buy the engine on its own.
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Re: inboard boat engines
« Reply #19 on: 08 April 2010, 13:44:17 »
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What out of?


Hmm. You will start to struggle at this point. ;)

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I have noticed though, that its cheaper to buy the whole car than buy the engine on its own.

Yes, with the advantage that you might well get to drive the car and decide if the engine's a "keeper" or not.

I guess someone who's stripped a car is looking to make money from the parts - compared to someone who just wants to get shot.   :-/

Kevin
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splott

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Re: inboard boat engines
« Reply #20 on: 08 April 2010, 15:17:57 »
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What out of?


Hmm. You will start to struggle at this point. ;)

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I have noticed though, that its cheaper to buy the whole car than buy the engine on its own.

Yes, with the advantage that you might well get to drive the car and decide if the engine's a "keeper" or not.

I guess someone who's stripped a car is looking to make money from the parts - compared to someone who just wants to get shot.   :-/

Kevin

Problem with a V8 diesel is the weight or any diesel to that matter. I don't want to be belting round in this boat but a nice turn of speed when wanted is all I require. The boat is rated at 55mph but 40mph would be fine. I also want to use it on inland waters so obviously not to noisy when 'putt putting' around. :y
Kev
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Seth

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Re: inboard boat engines
« Reply #21 on: 08 April 2010, 16:09:01 »
What about using a Transit 2.5Di diesel?
I happen to know of a few just taken out of vans.
 :y
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splott

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Re: inboard boat engines
« Reply #22 on: 08 April 2010, 16:54:40 »
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What about using a Transit 2.5Di diesel?
I happen to know of a few just taken out of vans.
 :y

Not sure really, need as gutsy a motor as I can get but not to heavy :y
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Re: inboard boat engines
« Reply #23 on: 08 April 2010, 16:59:27 »
Kev....trannie motor is heavy, and doesn't lend itself well to marinizing, Milner specifically advise against it. 
Stick to TD units that rev freely, such as Perkins, VW and peugeot /citroen 2.2/2.5 HDi units, and if you can get one, especially good is the Toyota TD units from the avensys.

Mike.
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Re: inboard boat engines
« Reply #24 on: 08 April 2010, 17:31:01 »
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Not sure really, need as gutsy a motor as I can get but not to heavy :y

The Omega 2.5TD is not exactly light. I reckon you could do much better on the power:weight stakes.

Kevin
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splott

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Re: inboard boat engines
« Reply #25 on: 08 April 2010, 18:37:53 »
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Not sure really, need as gutsy a motor as I can get but not to heavy :y

The Omega 2.5TD is not exactly light. I reckon you could do much better on the power:weight stakes.

Kevin

Yes but as Byron says, he knows of a couple of transit engines. They are not the lightest and definatley not the most powerful. Going on your theme maybe a Sprinter or Movano ( both are quick vans) open to suggestions here!
Kev :y
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Re: inboard boat engines
« Reply #26 on: 08 April 2010, 18:43:38 »
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Kev....trannie motor is heavy, and doesn't lend itself well to marinizing, Milner specifically advise against it. 
Stick to TD units that rev freely, such as Perkins, VW and peugeot /citroen 2.2/2.5 HDi units, and if you can get one, especially good is the Toyota TD units from the avensys.

Mike.

Cheers Mike
Bit frustrating that I can't start my project until I sort this out. But I do know there are some very astute guys on here that will come up with something, like yourself! :y

Kev
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Re: inboard boat engines
« Reply #27 on: 08 April 2010, 18:46:00 »
a omega fuel tank is plastic/rubber as well
might be a bit big ;D
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Re: inboard boat engines
« Reply #28 on: 08 April 2010, 18:50:24 »
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a omega fuel tank is plastic/rubber as well
might be a bit big ;D

Not my priority at the moment r1 but I will keep it in mind. :y
 Know anything about the most powerful, lightest and cheapest diesel you can find? :y :y
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