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Old June 11th, 2013, 07:56 PM   #1
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Default propane injection

been wanting to swap the little 4.3 in my rig this winter and drop in a sbc have one sitting here ready to go. my problem is i want to go with propane but with the rig being a s10 blazer dont really like the idea of the tank in a closed cab with me if it poops the pressure relief valve or if it has a small leak. what are your guys thoughts of having a propane tank in closed cab with you?
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Old June 11th, 2013, 08:08 PM   #2
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Dual fuel or propane only?
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Old June 11th, 2013, 08:12 PM   #3
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Propane tank inside is a bad idea...............way to many things to go wrong

Can you put the tank in a sealed container and vent it outside?
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Old June 11th, 2013, 09:31 PM   #4
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Propane tank inside is a bad idea...............way to many things to go wrong

Can you put the tank in a sealed container and vent it outside?
Or replace the gas tank with a pane tank if propane only. Skid plate would be a must...
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Old June 12th, 2013, 06:56 PM   #5
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planning on propane only talked to the guy from gotpropane he said it can be done but would suggest to make a box type cover with a gasket and drill couple 3 inch holes in the floor. not a fan of the holes because i still like to play in mud every time and again. next option would be to keep the tbi thats on the sbc not even gonna waste my time on a carb. was hoping to get away from all the electrical stuff thats the plan.
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Old June 12th, 2013, 08:20 PM   #6
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planning on propane only talked to the guy from gotpropane he said it can be done but would suggest to make a box type cover with a gasket and drill couple 3 inch holes in the floor. not a fan of the holes because i still like to play in mud every time and again. next option would be to keep the tbi thats on the sbc not even gonna waste my time on a carb. was hoping to get away from all the electrical stuff thats the plan.
Roof or in gas tank location. You could make an air tight panel behind the back seat and turn it into a smaller Isuzu amigo.

Might as well put a open container of gasoline between your legs and light a cigarette otherwise imo.
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Old June 12th, 2013, 08:21 PM   #7
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Old June 12th, 2013, 08:28 PM   #8
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Gasoline fuel injection > propane. Regular old fuel injection will run at any angle. Propane is a pain in the ass and probably the most expensive possible way to run a rig. Also, you can't just "Run down the road." for fuel like you can gas.

The TBI system is simple and reliable. Put your ECM in a old ammo box, seal wire hole, run a remote vent tube ('puters get warm). and you are good to go. TBI is butt cheap, propane be the opposite.
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Old June 12th, 2013, 08:53 PM   #9
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Gasoline fuel injection > propane. Regular old fuel injection will run at any angle. Propane is a pain in the ass and probably the most expensive possible way to run a rig. Also, you can't just "Run down the road." for fuel like you can gas.

The TBI system is simple and reliable. Put your ECM in a old ammo box, seal wire hole, run a remote vent tube ('puters get warm). and you are good to go. TBI is butt cheap, propane be the opposite.
... I bought a used pane setup for $400...

But my truck never had any efi... 1977 baby
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Old June 12th, 2013, 09:05 PM   #10
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Gasoline fuel injection > propane. Regular old fuel injection will run at any angle. Propane is a pain in the ass and probably the most expensive possible way to run a rig. Also, you can't just "Run down the road." for fuel like you can gas.

The TBI system is simple and reliable. Put your ECM in a old ammo box, seal wire hole, run a remote vent tube ('puters get warm). and you are good to go. TBI is butt cheap, propane be the opposite.
Sounds like the best bet that and i can save the grand it cost to get the propane in the truck and get the hydro steering i need even worse.
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Old June 12th, 2013, 09:24 PM   #11
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I'm selling a 355 w/tbi, wire harness and computer if you are interested.
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Old June 12th, 2013, 09:25 PM   #12
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Originally Posted by Nuggets View Post
Gasoline fuel injection > propane. Regular old fuel injection will run at any angle. Propane is a pain in the ass and probably the most expensive possible way to run a rig. Also, you can't just "Run down the road." for fuel like you can gas.

The TBI system is simple and reliable. Put your ECM in a old ammo box, seal wire hole, run a remote vent tube ('puters get warm). and you are good to go. TBI is butt cheap, propane be the opposite.
Propane is about as simple as it gets! If you search around a little the parts can be found pretty cheap as well. As far as running down the road and getting "fuel"(propane in this case) it is pretty simple. If you have never noticed there are several places that sell propane.

On a side note: Propane burns much cleaner and if properly tuned right you will get more power out of the engine.
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Old June 12th, 2013, 10:18 PM   #13
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Build a sealed compartment for the bottle, and vent it using some pipe.
Ether that or stay with the TBI, man up and wire it in!
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Old June 13th, 2013, 09:31 AM   #14
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I'm selling a 355 w/tbi, wire harness and computer if you are interested.
Already have a running truck i haul wood with thats the donor truck so im good on that. Just gonna have to wire it in
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Old June 13th, 2013, 09:56 AM   #15
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It's not that bad to wire it if you just take your time. Most of the wires can only plug into 1 spot so it's pretty simple, just time consuming.
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Old June 13th, 2013, 03:49 PM   #16
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Propane is about as simple as it gets! If you search around a little the parts can be found pretty cheap as well. As far as running down the road and getting "fuel"(propane in this case) it is pretty simple. If you have never noticed there are several places that sell propane.

On a side note: Propane burns much cleaner and if properly tuned right you will get more power out of the engine.
I have worked on industrial engine propane systems for a number of years so I'm familiar with the in's and out's. I still maintain that a properly set up EFI system is superior to propane in an off road application, in my opinion. To each their own. In industry, the only reason propane power is used verses gas or diesel is because the piece of equipment being used will be operated indoors.
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Old June 13th, 2013, 03:50 PM   #17
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... I bought a used pane setup for $400...

But my truck never had any efi... 1977 baby
If ya got it, use it!
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Old June 13th, 2013, 04:55 PM   #18
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TBI rocks... simple enough that crap doesn't fail, unlike modern engines with 80 sensors or whatever, seems like they're all waiting to fail (do the math, 5 parts vs 80 parts...what's more likely to fail) But I like carbs myself. If you have a good fuel pump and excellent filtration there should be very few (if any) problems on the road/trail.
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Old June 13th, 2013, 05:19 PM   #19
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TBI rocks... simple enough that crap doesn't fail, unlike modern engines with 80 sensors or whatever, seems like they're all waiting to fail (do the math, 5 parts vs 80 parts...what's more likely to fail) But I like carbs myself. If you have a good fuel pump and excellent filtration there should be very few (if any) problems on the road/trail.
Carbs suck on steep hills.
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Old June 13th, 2013, 06:09 PM   #20
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Ya carb isnt even a option last thing i want to do is get half way up a hill n the damn thing die or have typical carb issues gonna just go tbi gonna run it as is and swap it in this winter looks simple enough doesnt take a rocket scientist to figure it out
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