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The Cummins that I have in mind is the 6 cylinder, non intercooled, turbo charged. You know the ones that came in the late 80's, early 90's Dodge trucks. U basically need 12 volt to the starter and it runs...no computer.


Okay guys, I need all the experts to chime in and tell me why this will or will not work:


1. What are the differences are in the Marinized Cummins and the Auto Cummins besides brass freeze plugs and paint?

2. Whats needed for the motor other than Marine exhaust?

3. For discussion purposes, lets assume the motor is in good mechanical condition.


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You need all the water cooling parts to "Marinize" the motor.

These parts include:

1. water cooled exhaust manifold
2. water cooled turbo housing
3. gear driven seawater pump
4. heat exchanger
5. coolant reservoir
6. all hoses to connect the above parts
7. marine engine have CAV injector pumps (I think)

I do not know if the CAMSHAFT is the same or not. I am pretty sure the rest of the engine would be the same.

any reason why you couldnt use the oil cooled turbo?

http://www.hsmarine.com/

Caveat Emptor.

http://bertram31.com/articles/holmes/

If it's turbocharged but not aftercooled, it's probably the 210 HP. I have 2 of them in my Sportsfisherman since 1990 and have been very happy with them.

Jeremy wrote:any reason why you couldnt use the oil cooled turbo?

The turbo will get too hot under the hatch cover. This is why they water cool them.

Bruce wrote:http://www.hsmarine.com/

Caveat Emptor.

http://bertram31.com/articles/holmes/

Bruce, thats some good stuff! I had no idea that there was a company out there already making conversion kits.

Capt. Mike Holmes, who used to be active here, had a pair of the converted truck 6Bs in his B31 and was pretty happy with them. But this was 8 or 10 years ago when used/rebuilt marine 6B engines were real hard to find. Nowdays, I see no reason to go the truck route and spend the extra money on jury-rigging a marine engine when genuine marine 6Bs are available everywhere. Buying a used truck engine and marinizing it would not save any money over a good used running take out marine engine, and leave you with a white elephant that no one would want on a resale. Converting to diesel is a major undertaking and going with a bastard set-up is short sighted, in my view.

Cold & raining in Coonassland...you yankees take this weather back, please.

UV

I looked into this awhile ago, and came to the same conclusion that UV did...