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05 /10/ 24, 9:19pm

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Subject: alternative fuels for deisel engines Author: Ken [ Next Thread | Previous Thread | Next Message | Previous Message ] Date Posted: 03/ 21/ 07, 10:28pm Hi all, well here is a subject that should interest us all. Hopefully we can all benifit from this one, does anyone have some good input on this subject? I am just starting to look at options to increase fuel milage or type of fuel , I guess I am mainly wondering about lpg, does anyone use or have converted to LPG? on there v92 series engine? I know that it increases performance, and should be good for the engine, but does it actually effect your milage enough to justify it cost wise? any ideas that will increase fuel milage I would like to hear about. Thanks again and lets keep this one going and see if we cant come up with some good ideas that would benifit us all! [ Next Thread | Previous Thread | Next Message | Previous Message ]

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[> Subject: Re: alternative fuels for deisel engines Author: Ken [ Edit | View ] Date Posted: 03/ 26/ 07, 11:50pm Does anyone have natural gas or propane installed on their 6-8v-92 series engine? If so I would like to chat? has anyone done any fuel conversions as well? Thanks Ken [ Post a Reply to This Message ]

[> [> Subject: Re: alternative fuels for deisel engines Author: Don [ Edit | View ] Date Posted: 04/ 21/ 07, 11:08am Hi all, This is quite the topic of heated discussion from time to time on diesel 2-cycle forum(s). And all of the following relates to 2-cycle operation. People do report doing this with good results; at least nothing has blown up yet for them. At least on guy did report blowing off the cover of his super charger though. Being a 2-cycle engine, operation is a bit different than a 4-cycle engine. People (mechanics who saw this in training) report that if you do put a site glass in your airbox you will see open flame develope from time to time, though they don't necissarily state if this was an unusual condition or circumstances. Apparently 2-cycle engines do not scavenge all gasses and unburnt fuels as well as 4-cycles do. There are some who simply state, "if there are open flames in the airbox/supercharger and you introduce an explosive gas, what do you think will happen". I supose that that depends on how much gas your introduce. I've read that the lower explosive limmit of propane is 5.21%. So if you introduce propane at say 4 cfm per 100 cfm of intake airflow, perhaps no explosion even if a spark is present; what if other fuels are present as well and you reach the 5.21% level unexpectedly? Anyhow, just a few thought to ponder and research if your willing to take the plunge. Just remember 99% of the propane injection information out their is based on 4-cycle engines. I am only aware of one second hand report where engine dammage was done, minor. I personally would not run this at idle. Most folks seem to simply route gas to the top of the supercharger and go by the seat of there pants. On my old 3208 (4-cycle) it took very little propaine to elliminate black smoke and boost off the line performance. Regards, Don [ Post a Reply to This Message ]