Quote:
Originally Posted by maxxgraphix
Problem is you can't shut it OFF!
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Just stick your hand over the carb
(I have to do that to prime my lawnmower all the time..)
Let us not get confusiated, there's two ways of running diesel... compression or spark ignition. With hot diesel and lower compression you can run it under spark ignition in a gasoline motor, or for compression ignition you need the compression higher. Retarding the cam enough so that the intake is open some time after TDC, reducing dynamic compression, might be a temporary measure to get a motor running on whatever the heck fuel you can find for it, veggie oil, kerosene, varsol, white gas, bunker fuel, jet fuel...
You might get compression ignition working by threading slugs into the plug holes, depending how much piston clearance you've got, M18x1.5 bolts might take up enough room in the chamber to let diesel go bang. Typically this would be in a head that was on the high compression side in the first place where losing about 3cc would make a difference. For instance a 1.6 motor with 11:1 compression might go up to 12:1 and just about make diesel bang with a slug in the plug hole.
The thing I'd like to try however, is compression ignition on gasoline with diesel to fire it... yeah, that's sounds wierd don't it. Well gas has low cetane rating, diesel high, now if you get some really good diesel, high cetane, then when a charge of gas is in the cylinder under compression and you just squirt an itsy bitsy bit of diesel in there... it will fire off... so instead of plugs you could have small diesel injectors, very small, and you barely need much diesel at all. I think this could fire far leaner mixtures (even accounting for the diesel use) than plugs could.
GasSavers_Erik 
Hybrid Mode
