Dodge Magnum 3.5V6 on Buthane/Propane

[Trex101]

We ran 1 step colder and smaller gap plugs when converted to LPG. As for engine oil, i'm using RP 10w30 right now, love the response of this oil.

 

[Garak]

That's what the local propane guy had us do here at plug change - one range colder. He wasn't too fussy about the gap, usually.

 

[dubie2003]

I have to ask, what kit did you use and did it require any programming?

 

[fraso]

In the USA, the EPA requires newer vehicles to use EPA certified kits but this is more of an issue for commercially installed conversions. Once converted, the only issue for vehicles owners is passing smog tests. Many states do not have smog testing and often, for the ones that do, a simple OBDII scan is all that is required. Generally, properly configured injection conversions do not generate CEL codes and will easily pass smog inspections.

There are a variety of Propane Conversions available and all must be programmed to properly run on propane. When the short & long term fuel trims on propane are the same as those on gasoline at all times, the system is properly configured.

• 4.3L 2003 Sierra 1500 Propane Conversion
• 4.3L 2003 Sierra 1500 Propane Operation