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Originally Posted by asimmons04
Diesel actually, if you wanted to compare apples to apples, has MORE detonation resistance, which in gas, is rated by Octane level. So yes, it would in theory RAISE your octane level. If diesel had a "low octane" rating, per say, they would not be able to run 14:1 or higher compression. YES, Diesel engines are compression ignition engines. But the fuel allows for it, producing more torque when its all said and done... What do you do when you build a race engine with 12:1 compression? You need a fuel that will NOT burst into flames too soon at that pressure, so you go HIGHER burn resistance, be it race gas (110 octane?) or Methane, or...Ethanol based fuel.
ANYWAYS I am just adding to what you guys have already stated. Your all pretty awesome. And any google search telling you Diesel is more prone to detonation is an idiot. Pour gas on something, and throw a match. Do the same with diesel. See the difference. LOL I could get into the actual specifics of how diesel actually has a higher burn resistance "octane", but thats not as fun as burning stuff.  |
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Originally Posted by gizmag
Because it’s less reactive and won’t burn so easily, gasoline could normally never fuel a diesel engine. However, the fuel-injected diesel becomes a kind of liquid spark plug, providing a kick-start for ignition.
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Diametrically opposite... one must be wrong.
To run a Briggs and Stratton on kerosene requires LOWERING the compression ratio- they stack two head gaskets.
Smokey Yunick says any oil that gets into the combustion chamber causes detonation.
All three of these things indicate oily stuff as having lower detonation resistance. I'm gonna go with U of W, B&S, and Smokey being right.