Which multi-fuel engine is the best choice?

Lonesome715 · Feb 17, 2009

If you were to buy a multi fuel engine for a project, which would be the best choice? Listed below if the criteria I would use to select the right engine. I am very new to this subject matter so any input you all have would be appreciated.

1. Maintenance cost
2. Longevity
3. Sensitivity to used engine oil as fuel
4. Simplicity and easy to repair
5. Good for towing
6. Fuel mileage
7. Parts availability
8. High tolerance to power adders and up-grades
9. Simple electrical system
10. Reliability

I should add that I am not familiar with any of the makes and models out there. So feel free to dumb down your answers. I will not be insulted.

grounded · Feb 17, 2009

they are all pretty much the same. but if you must pick outta a LDT or LDS get the LDS hands down... its got more power.. but far as white, continental, hercules.. its like GL. you just gotta roll the dice.

crazyplowboy · Feb 17, 2009

It's all covered here http://www.steelsoldiers.com/showthread.php?t=31284 they are all pretty much the same as far as manufacturer, however as far as model differences I have no idea.

Lonesome715 · Feb 17, 2009

What does LDT and LDS mean?

Thanks for the link. I'll dig around there as well.

grounded · Feb 17, 2009

LDT is the 2 1/2 ton multifuel
LDS is the 5 ton multifuel.

Lonesome715 · Feb 17, 2009

That was one question I had. What is the difference in the five ton engines and the deuces? Also, what does LDS and LDT stand for?

crazyplowboy · Feb 17, 2009

According to the Multifuel operators manual the L is liquid cooled, D is Diesel (compression ignition), S is supercharged
LD models do not have a turbosupercharger
LDT motors are turbo motors

Lonesome715 · Feb 17, 2009

Thank you for clarifing. Why woulf the five tons not have turbos in them. I would think if iether truck needed a power adder it would be the five ton. Is there is a displacement difference between the two? If there is, I do not need one from five ton. It it powered a deuce, that is all I need. I would prefer it be a turbo engine though.

grounded · Feb 17, 2009

5 tons do have turbos on them also.

the 2 1/2 ton some came without turbos. hence the LD. but most of them have the turbo or LDT..

The 5 ton multi are fairly close to the same engine just about 50hp more. im sure someone will chime in here by morning with a full break down thats ALOT smarter then me on these.

Lonesome715 · Feb 17, 2009

I appreciate the information. That is a lot more than i knew beofre I started this thread. I have to check and see if the decues I bought recently have turbos.

gimpyrobb · Feb 17, 2009

It doesn't really matter if they have turbos or not, they can be added easily.

Lonesome715 · Feb 17, 2009

gimpyrobb said:
It doesn't really matter if they have turbos or not, they can be added easily.

Very true. I can add a turbo to almost anything. As a matter of fact, I have a set of twins planned for my Powerstroke. :-D

Lonesome715 · Feb 18, 2009

Speaking of turbos, that brings up some questions.

How big of a turbo can I go on one of these engines with out blowing the head off? I am thinking about upgrading to a little larger wastgated ball bearing turbo.

ALso, who makes the turbos on these engines and what size are they?

grounded · Feb 18, 2009

Im sure someone will correct me if im wrong. but im pretty sure the turbo is not the problem its the IP that you can crank up and end up blowing the engine. I think the stock turbo will handle it all perfectly fine. but then again i remember reading someone putting a 5 ton turbo on the deuce. BUT once again ill let it to the experts as this is my 2cents

crazyplowboy · Feb 18, 2009

I also am a newbie to the MV field, but I have read that the turbo was added only to comply with emission regulations (cutting down on smoke) and that the turbo really does not add much power to these beasts. If you look at the HP ratings of a turbo truck versus an NA (naturally aspirated) truck I believe that the turbo puts out 130 HP while the NA puts out 125HP.

Lonesome715 · Feb 18, 2009

I know these engines are detuned a bit. But from what I know about turbos, they are meant to be a power adder and if used correctly will make a huge difference. But that is from a different stand point for. My experiance comes from trying to draw big power from other applications.

crazyplowboy · Feb 18, 2009

I under stand that, I do the same things in my spare time :twisted:

grounded · Feb 18, 2009

HEHE thats why you put a boomed out 12v in a deuce

serious coal rolling machine with power.

Lonesome715 · Feb 18, 2009

There you go, that is where I have gotten most of my turbo experiance. I think a bigger turbo would really help these engines breath a lot better.

Lonesome715 · Feb 18, 2009

By the way, this is what I am dropping twins in when I get home.

Which multi-fuel engine is the best choice?

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