Has Anyone Tried Propane Injection
Senior User
Joined: Jun 2003
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From: SC
Yes, it makes a big difference. It has a lot to do with your set-up on how much you get out of it. Make sure you do your homework on it or you could be doing more than just "cooking with gas". If you run a tuner or chip make sure it is propane friendly. Most tuners build power using timing and this will kill your motor if you run propane. Some tuners run a lot more timing than others and most folks don't even know that. This will cause the egt's to climb excessively. The propane system itself will have to be tuned for your truck to get the most out of it; otherwise it is not worth putting it on. Make sure you have the foundation 1st; gauges, intake, exhaust, are the very basics.
Senior User
Joined: Jul 2003
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From: Nebraska
Fordafied,
What does this do to the tranny life? How bout mileage? I drive an excursion, it's probably not the best thing to have in the truck cause I am assuming that there isn't bottles that would fit under the truck? Sorry about all the stupid questions?
What does this do to the tranny life? How bout mileage? I drive an excursion, it's probably not the best thing to have in the truck cause I am assuming that there isn't bottles that would fit under the truck? Sorry about all the stupid questions?
Senior User
Joined: Jun 2003
Posts: 452
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From: SC
Actually the bottles are for under truck mounting, although you can mount them in the bed also. The tanks have to be DOT approved. I got a big tank so I mounted it in the bed. My mileage went from 12.5 to 16.5. I was not expecting this due to I did not install the Propane for a mileage increase if you know what I mean. 
As far as the tranny life, it really depends on the right foot. Motor homes have used propane injection for years for the power increase and mileage gains. The system I have you can set it up two ways. One for towing and two for performance.
Also, there is no such a thing as stupid questions.
believe me, I asked a lot of questions. I got all of my help from Quadzilla on here. Need anything else, just ask. I will help as much as I can.
As far as the tranny life, it really depends on the right foot. Motor homes have used propane injection for years for the power increase and mileage gains. The system I have you can set it up two ways. One for towing and two for performance.Also, there is no such a thing as stupid questions.
believe me, I asked a lot of questions. I got all of my help from Quadzilla on here. Need anything else, just ask. I will help as much as I can.
Elder User
Joined: May 2005
Posts: 968
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From: Tennesee
Jason12,
We sell a lot of the MSD Didgtal systems, customers like the MPG and the HP, the MSD is one of the safest systems out. It uses it's on ECU and watches more parameters than anything out there.
Mark @ DPPI
We sell a lot of the MSD Didgtal systems, customers like the MPG and the HP, the MSD is one of the safest systems out. It uses it's on ECU and watches more parameters than anything out there.
Mark @ DPPI
Senior User
Joined: Jun 2003
Posts: 452
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From: SC
Originally Posted by MarkDPP
Jason12,
We sell a lot of the MSD Didgtal systems, customers like the MPG and the HP, the MSD is one of the safest systems out. It uses it's on ECU and watches more parameters than anything out there.
Mark @ DPPI
We sell a lot of the MSD Didgtal systems, customers like the MPG and the HP, the MSD is one of the safest systems out. It uses it's on ECU and watches more parameters than anything out there.
Mark @ DPPI
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
Originally Posted by Fordafied
Yeah, and you are pretty much stuck with what they give you. You really can't customize it for your truck.
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Senior User
Joined: Jun 2003
Posts: 452
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From: SC
From what I have read on the MSD set-up is, it controls the amount of Propane being injected into your engine by way of many different variables. If one of those variables is out, it will not inject or limit the amount being injected. Therefore you are at the mercy of all of the variables. If you have a highly modified or moderately modified truck some of your variables may not let you dump as much propane as you will want. On my system I can set the amount of Propane being injected solely based on boost. I can start at low boost and have it dumping a lot in high boost or until detonation. When I get detonation, I can back down on the system until it clears thus letting me know I am at the limit. In other terms, the MSD is probably safer to run, but I like being able to adjust to what I want to run. With my system only based on the boost. I like it on the hairy edge.
I am in no way knocking MSD. Everyone should know by now they have great products.
I am in no way knocking MSD. Everyone should know by now they have great products.
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Senior User
Joined: Sep 2005
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really a milage drop?
is it really a milage drop once you figure in the gallons of propane used? i know propane is cheaper than diesel so if you save 2 gallons of gas do you use more than 2 gallons of propane to do that?
Senior User
Joined: Jun 2003
Posts: 452
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From: SC
Originally Posted by bhiggins
is it really a milage drop once you figure in the gallons of propane used? i know propane is cheaper than diesel so if you save 2 gallons of gas do you use more than 2 gallons of propane to do that?
Elder User
Joined: May 2005
Posts: 968
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From: Tennesee
Fordafied,
Yes you are correct it watches for boost, propane temp, rpmetc etc, that's one of the beauties of the system. For those that are not "propane" smart it takes all the safety issues into account for you. Basically if you hurt an engien with the MSD system you have really accomplished something.
It also has the Pro Data software included here is a quote form the instructions, " This software is easy to use and allows you to adjust the amount of performance you want to acheive, as well as program certain parameters as to when the propane is injected (such as boost pressure) etc" It also has a data log system that you can down load to see what is happening when and adjust accordingly too! so you see it is adjustable too if you want to play.
Mark @ DPPI
Yes you are correct it watches for boost, propane temp, rpmetc etc, that's one of the beauties of the system. For those that are not "propane" smart it takes all the safety issues into account for you. Basically if you hurt an engien with the MSD system you have really accomplished something.
It also has the Pro Data software included here is a quote form the instructions, " This software is easy to use and allows you to adjust the amount of performance you want to acheive, as well as program certain parameters as to when the propane is injected (such as boost pressure) etc" It also has a data log system that you can down load to see what is happening when and adjust accordingly too! so you see it is adjustable too if you want to play.
Mark @ DPPI
