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Old 12-28-2006, 11:30 PM   #1
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I started this thread over on m.net about a home brew octane booster using Toluene - and some one of the ideas reallt caught my attention:

"It sounds like the idea for the forced induction / nitrous crowd would be to get a separate set of nozzles feeding pure toluene when the boost comes on. Since most driving is done at low throttle openings with octane requirements that can be handled by xx-octane pump gasoline , you would have the best of all worlds - cheap cruising with power available when needed."

Anyone tried something like this?
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Old 12-28-2006, 11:34 PM   #2
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Yeah, it's called meth injection. Been done for years.
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Old 12-29-2006, 03:40 AM   #3
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Anyone know anything about propane injection? I started to do some research on it years ago but stopped for another project. Other than the "oh ****, I blew my car up" thing, it seems like a good thing to do.
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Old 12-29-2006, 09:42 AM   #4
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My F350 powerstroke has propane and nitrous injection. It has a Bully dog module controlling them both, advertising says its good for another 100hp and a billion foot pounds of torque. Its easy to refill and fun to play with.
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Old 12-29-2006, 10:30 AM   #5
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That is the thing though, I have only seen it used on diesels. Never seen it on a gas engine.
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Old 12-29-2006, 10:54 AM   #6
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OK, stupid question of the day:

I had an occasion to think there was a vacuum leak on a friend's car and tried propane to find it. Used a hose and regulator to mist propane around the engine and nothing happened. Decided to open one of the vacuum lines just a little to find out how much the RPM's would increase if it had found a vac leak and all the propane did was decrease RPM's.

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Old 12-29-2006, 08:29 PM   #7
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I never have been able to get the propane leak test to work for me. Some people swear by it but it just won't work for me.

Anyway, I want to use the propane more for cooling than extra fuel. As I said, I haven't really did much research on it.
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