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Discussion Starter #1
do you need the exhaust crosover in the intake on a propane v-8 like you do in a gas buner. I seem to remember IH blocked it off on ther propne engine for some resion :confused:
 

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nope, i have nothing, starts right up and idles perfectly at 0 or 100 outside! jiMMy
 

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since u are canadian propane will work till its in -40 celcus and if u go that cold u need a propane heater.. and engine block heater too since its friggin cold!!! ya will never get that tempature in new westminster!!!! my truck never had problem starting every morning at 530..
 

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I know next to nothing about propane but I was just wondering, isn't CNG big in Canada? Would there be any advantages/disadvantages to running CNG over propane?
 

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ForestCam said:
I know next to nothing about propane but I was just wondering, isn't CNG big in Canada? Would there be any advantages/disadvantages to running CNG over propane?
Vapor pressure and calorific value are the two big drawbacks of CNG.
 

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At least where I live, Propane is much more prevalent than CNG.

I've never had a problem with my rig in cold weather (about the coldest I've had it in is 10*F)
 

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We have had problems with our forklift recently... Liquid settles to the bottom of the system and floods out the motor if you try and start it when it's cold. Usually starts doing that at about 25*F. We just pull the line off, push in the cap (or whatever the hell that spring loaded thing is inside the fitting) and drain everything out... crank the motor a few times, reconnect everything, and she fires right up.
 

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I've been running propane in my tractor for a whole bunch of years and the only problem I've ever had in cold weather was starting her up in the morning when the temps were less than -10F. I'd set a bucket of coals from the wood stove under the evaporator for a few minutes and she'd start right up.
 

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The crossover passages are usually blocked off as propane does not require the heat that gasoline does to vaporize. propane will vaporize at a very low temp if not under pressure. The passage is blocked off to lower the air intake temperature and thus create more power.

I've only had mine not start once (it was -50 C!!) The propane heater does help, but if your vehicle is in good tune up then it will start no matter what the temp.

Use a hotter plug (one stage higher) and a 160 F thermostat.

Just my 0.02 with my experience.
 

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Discussion Starter #10
thanks

I guess I'll have to figue a way to plug it up
 
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