Gas on Diesel

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Originally Posted by Michael2

Any one got info on pros and cons? Risks? and tech info on how they work.

Thanks.

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I guess in 4WD circles its still a relatively new bit of technology. I tend to think that where the real diesel technology is, is in the haulage sector. I was chatting to a truckie mate last July about this, and his comments were that they had tried LPG on the trucks and I don't recall the milages that he quoted, though engine life dropped to about 25% of that expected before requiring a rebuild when LPG was used.

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Originally Posted by Slunnie

I guess in 4WD circles its still a relatively new bit of technology. I tend to think that where the real diesel technology is, is in the haulage sector. I was chatting to a truckie mate last July about this, and his comments were that they had tried LPG on the trucks and I don't recall the milages that he quoted, though engine life dropped to about 25% of that expected before requiring a rebuild when LPG was used.

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Yet another truckie on the OL forum has been using it for years on his semi. I also saw an Air Liquide prime mover being converted last year at Diesel Gas Technologies in Sydney.

Ron

Ah. There you go Ron. Perhaps things have developed since. They'd certainly go well based on a factory 550hp engine. + 20% = 660hp. :twisted:

In theory at least, engine life should be maintained or improved due to the fact that the gas causes the diesel to burn more completely thus leaving less contaminants in the engine oil.

Also depends on how you drive the car after the conversion: if you constantly "put the boot in" you might shorten engine life.

I was getting a bit concerned about my engine with the Gas conversion as it was sounding a bit rattly under full throttle with the Gas turned on. Turning the Gas off made the noise go away. I took it back to the installer and had the injector reduced from 3 to 2.5mm and it's now running beutifully. No unusual noises, just as much discernable power and heaps smoother.

Very happy now! :)

Nathan

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Originally Posted by trekkaman

In theory at least, engine life should be maintained or improved due to the fact that the gas causes the diesel to burn more completely thus leaving less contaminants in the engine oil.

Also depends on how you drive the car after the conversion: if you constantly "put the boot in" you might shorten engine life.

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Interesting thread on it here:
http://www.eng-tips.com/viewthread.c...=197876&page=2

Note the comment about "increased iron and aluminium in oil analysis".

There isn't an engine mod out there that can increase power and engine life. Some performance mods reduce life more than others.