Converting Auto Engine for Outboard

[nimblemotors]

Anyone attempt/do this? I've got 3-cyl Suzuki 1.0L engine and am considering adapting it to a 150hp V6 Suzuki Outboard. I can see a couple issues off the bat, the first is the vertical orientation. Looks like a dry-sump oiling system will be needed, and that looks expensive? At least the race parts are.
Second is the exhaust, as the 2-stroke block routes it down the tail section.
Third is the flywheel wanting to be at the "bottom" and not the top like the outboard motor.

Given the cost of a new outboard, it seems worthwhile to look into this conversion.

[Rangerspeedboat]

Thats not a bad idea, How much HP is the auto engine?

Salt water will eat away the engine, water pump from outboard lower unit must be used. I dont know how to convert the oiling system though.

It may be worth it. maybe.

[nimblemotors]

The 3-cyl 1.0L motor was rated at 50hp in the car.
It weighs only 125lbs. They can be tweaked to 100hp,
my plan would be to add an intercooled turbo and get 125hp.

There is also the 1.6L 4-cyl motor used in the 4x4 Geo Trackers,
they have 75hp stock, also has aluminum heads and block.
But I already have the 3-cyl motor.

[CDK]

You guessed right, the lube system must be altered otherwise the lower cylinder will drown. Car makers use a dry sump for sports or racing models because they need a flat engine. There are two oil pumps, one to lubricate the engine, the other to excavate the used oil.
For your application you need separate oil tank, positioned lower than the 3rd cylinder and connect both the oil pan and the pump to it.

[pistnbroke]

the only simple way to turn a car engine into an outboard is to use it as a Thai Longtail....works for them ....

[ben2go]

the only simple way to turn a car engine into an outboard is to use it as a Thai Longtail....works for them ....

I agree.There is to many issues with an outboard set up.With a long tail you only have to deal with cooling,drive unit, and a balanced pivot point.

[pistnbroke]

some use the radiator and fan ..some pick up water from behind he prop ..some use the gearbox and drive the shaft in second gear ..and utilise the clutch...main problem left hand prop ..piviot can be car half shaft with a big u on thetop ..lots of photos on here or talk to Frosty ( got your filter right yet ? )

[powerabout]

A well known tunnel boat racer in Australia put a 350 chev on a ccc trunk 20 years ago
Very fast in the straight line but too much weight up top for the corners.
It was a cast iron block job.
It actually had a stock car sump and the dry sump pipes in the bottom.
I assume a few baffles inside as well.