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Marine engine?

I have come across this term alot lately, and have always wondered, what has to be done to an old holden 202, or 308 to make it "marine" (and I dont mean the colour lol)

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Their really is no difference with a marine bock to any other engine block, a Mercruiser is just a chev block with a different engine # sequence. It's the cooling system & heads that can be different;whether it's a closed system & has it's own fluid for cooling that runs through a heat exchanger or it has a pick up & pumps water from whatever you are floating in through the engine.Their are plenty of old ski boats around with holden engines in them.

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a marine motor runs 'backwards' compared to a car engine to do this you change cam ignition and the polarity on the starter is changed to spin the other way
everything else is the same i believe

cheers]
andrew

LOST IN THE 70'S

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LOST IN THE 70'S

this was coverd a while ago but it dosnt mater what way the engine rotates becouse propelers come in all difrent pitches and left and right hand screws. most run the prop shaft off the pully end at the front of the engine and fit some kind of gearbox to change direction of rotation. But in all honesty if your going to put an inbord engine in a boat your best off using a disel as petrol powerd boats are known to catch fire and even explode becouse of the petrol vapours collecting and igniting going bang in a big way if not vented properly.

Steve

[http://gallery.oldho...|My Shed]

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Steve

[http://gallery.oldho...|My Shed]
Sloth Engineering, I'll do it... When I get around to it.

Another Myth!
If your petrol engine is maintained correctly, and all due care as to petrol/exhaust gasses are confined. you will be quite safe!
Ged.

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I'm right 98% of the time. Who cares about the other 3%.

[Postcode 3518]

maybe a good one for mythbusters? Im not saying it will hapen but it can happen. My old man has been in the marine industry his whole life and shudders at the thought of putting a petrol engine inbord.

Steve

[http://gallery.oldho...|My Shed]

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Steve

[http://gallery.oldho...|My Shed]
Sloth Engineering, I'll do it... When I get around to it.

I have tried to stay away from this post, in fear of being shot down!
But I find marinizing boats, is full of myths, that I myself got caught up in! But if you want to change your boat to an inboard red holden. It is quite easy!
Reversing motor direction is not!
Right Hand. And Left Hand props are readily available.
Happy New Year.
Ged.

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I'm right 98% of the time. Who cares about the other 3%.

[Postcode 3518]

10 ft tall and bullet proof and couldnt be told till i bought a 350 to many yrs ago to remember couldnt work out why it wouldnt start tried every diferent combo of dizy and plug leads . burnt out battries and jumper leads swearing you name it. then a mate came round and told me the donk was marinised he went home a got a sarter out of his old mans shed and blow me down the mutha started had 4 reverses and 1 forward . godd for a lol now but was heart breaking at the time for a 16 yr old 34 yrs ago hahahahaha
dibs

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dibs

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