Propane Injection
Dec 26, 2006, 06:36 PM
#62
Dunno why you guys are so against propane injection. Most of your rationales about danger are completely moot as there are many vehicles that have been running on propane or natural gas for sometime.
Many less close minded camps of car modding enthusiasts finally embraced propane and are reaping benefits from it, should at least keep an open mind instead of this "oh god, we fear change!" crap.
FWIW, IPO is a very respected vendor on 3si and I've bought and sold parts to him. Great guy, good customer service. If your even thinkin about trying one of his kits, please get in touch with him and he'd give you good deal.
Grats on the MPH record Chris. I miss my stealth sooo bad
Many less close minded camps of car modding enthusiasts finally embraced propane and are reaping benefits from it, should at least keep an open mind instead of this "oh god, we fear change!" crap.
FWIW, IPO is a very respected vendor on 3si and I've bought and sold parts to him. Great guy, good customer service. If your even thinkin about trying one of his kits, please get in touch with him and he'd give you good deal.
Grats on the MPH record Chris. I miss my stealth sooo bad
Dec 26, 2006, 07:46 PM
#63
Make a manual propane setup from inside cockpit. Screw a mini propane cartridge into a line while going through the gears - just make sure your fingers don't freeze to the bottle (as I lament of times years ago waking up with my lips frozen to a bottle of laughing gas)
Dec 26, 2006, 08:19 PM
#64
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Has anyone actually tested propane injection on a EVO yet? 
If a vendor (IPO) wants to sell these things, they should at least back it up with some test results on a evo specific vehicle.
my 2 cents...
If a vendor (IPO) wants to sell these things, they should at least back it up with some test results on a evo specific vehicle.
my 2 cents...
Dec 26, 2006, 11:28 PM
#66
I have no personal experience with it, but I'm going to ramble on for a bit to pass some time at work. Propane was tested with decent results several years back on the DSMs. The only other option in widespread use at the time was straight water injectoin. I can't recall any actual results, but it certainly did have the effect of reducing knock and letting people run more boost on pump gas. The added octane should certainly help, as well as the relatively cold temps, but there were also a lot of theories being tossed around regarding the fact that propane is a gas and will mix well with the intake charge, and allow the flame front to move more easily through uneven mixtures in the combustion chamber.
Most people said a small tank (5 or 8 lbs?) lasted over a month. And it is extremely easy to find local places to fill up.
As far as fuel compensation, my plan back when I was tired of race gas and was looking into this was to use the MAFt to do it. The MAFt has (or had? Not sure if the new units still do this) an "auxiliary" function, with something like ~40% adjustment range to air signal/fueling, activated by a single wire. So when the propane is activated, the MAFt pulls some amount of fuel. Nice and automatic once it's set up, and a relatively clean solution. AEM could easily do something similar.
I'm not saying propane is the way to go these days, people seem to be having good success with alky/meth. There were some clear advantages over straight water though back in the day...
Most people said a small tank (5 or 8 lbs?) lasted over a month. And it is extremely easy to find local places to fill up.
As far as fuel compensation, my plan back when I was tired of race gas and was looking into this was to use the MAFt to do it. The MAFt has (or had? Not sure if the new units still do this) an "auxiliary" function, with something like ~40% adjustment range to air signal/fueling, activated by a single wire. So when the propane is activated, the MAFt pulls some amount of fuel. Nice and automatic once it's set up, and a relatively clean solution. AEM could easily do something similar.
I'm not saying propane is the way to go these days, people seem to be having good success with alky/meth. There were some clear advantages over straight water though back in the day...
Dec 27, 2006, 07:37 AM
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Make a manual propane setup from inside cockpit. Screw a mini propane cartridge into a line while going through the gears - just make sure your fingers don't freeze to the bottle (as I lament of times years ago waking up with my lips frozen to a bottle of laughing gas)
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