Re: diesel verses gasoline

Posted by Deas Plant. on February 17, 2003 at 04:50:40 from (211.26.77.47):

In Reply to: diesel verses gasoline posted by MIKE on February 12, 2003 at 12:39:03:

Hi, Mike.
I can't quote figures like some of the respondents here but I can give you some examples.
Basically, it's horses for courses.

I drove 4wd tourist coaches on Fraser Island, the world's largest sand island, off the east coast of Australia, for several weeks a few years ago. It was a no-contest which ones performed best in the sandy conditions. Diesels every time. You had to rev the guts out of even the V8 gas engines to take off in the sand after a stop. The diesels would all pull away from a stop at almost low idle. The torque was the difference.

Now for the other side of the coin. How many diesel drag cars do you see?

In almost every case you will get more horsepower and more response from a gas engine than from a diesel of the SAME CAPACITY but you need a LOT higher revs to get it. Even then, the slower revving diesel will almost always pull the pants off the gas engine, especially at lower revs.

I think I'd be going for the diesel for pulling. Now if you were going drag racing, THAT'D be a whole different ball game.

As a footnote, several years ago, a company here in Australia was experimenting with injecting LPG
(Liquefied Petroleum Gas) into the intake manifolds of diesel engines in trucks when they were pulling on hills. They reckoned they got a significant power increase, in the order of 10-
15%, but I haven't heard any more of the idea lately. Can't have been all that good.

Hope you got some help from all that response.

You have a wonderful day. Best wishes. Deas Plant.

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