Can I Convert My Gasoline Engine to Propane?

The interior of an engine.

Explore the Difference Between Propane and Gasoline

We are all aware of the price of gasoline, and here in the Weatherford, Texas area, many of us have considered downsizing our pickup truck to a smaller SUV or car. And that just doesn’t fit our Stetsons and Ropers!  But we have another option to save on fuel expenses without having to trade off our ‘cowboy Cadillac’. Yes, we’re talking about going with a propane Autogas conversion

So many concerns and questions, starting with what is propane Autogas conversion? To go from a gasoline-powered vehicle to a propane Autogas-powered vehicle, it requires changing out the fuel tank and installing a propane injection system. Many companies and entities that have fleet vehicles, like the city, county, or state, have made the propane Autogas conversion already! 

How much does it cost to convert a vehicle to propane?

The cost will vary, but the average cost for a propane Autogas conversion can range between $3,000 to $8,000, and for a luxury vehicle, the cost can be as much as $10,000 or more. 

What are the benefits of a propane Autogas conversion?

It has been established that natural gas and propane gas are both clean and plentiful, unlike petroleum gas. This makes them more convenient and the propane dispensers work the same as gasoline pumps, with some differences: 

  • Propane doesn’t pool or spill, minimizing the risk to groundwater, soil, or humans. 
  • Less expensive to own
  • Reduced emissions
  • Refueling strategies can be tailored
  • Propane burns cleaner which leads to the engine lasting longer

What are the disadvantages of propane Autogas conversion? 

While the benefits of a propane Autogas conversion are few, they are powerful in the decision-making process. But there are some disadvantages too, such as: 

  1. Lower Energy Content: Propane gas isn’t as energizing as petroleum gasoline gallon for gallon. This can reduce the distance you drive before needing to fill up again.
  2. Infrastructure: The number of propane refueling stations are few and far between. If you’re planning to travel, check ahead for stations that offer propane. 
  3. Propane Autogas Conversion Expense: Completing the conversion can be expensive. 
  4. Vehicle Options Limited: There aren’t as many options in vehicles propane-powered as there are gasoline-powered. 
  5. Storage: To have a propane-powered gas, a pressurized tank, which adds weight and takes up space in the car. 

Can a fuel-injected vehicle be converted to propane?

Yes, that is another benefit of a propane Autogas conversion! There are conversion kits available today for converting a fuel-injected engine into a bio-fuel vehicle. There aren’t any adjustments required, it can be done simply by flipping a switch on the dashboard.  

Is propane hard on car engines?

No, having a propane Autogas conversion to your gasoline-powered car will minimize the amount and frequency of maintenance. This is because the high octane rating doesn’t build up carbon inside the engine. 

Is a propane Autogas conversion worth the expense?

This is one of the benefits of a propane Autogas conversion.  Once you have the conversion completed, you’ll notice a lower cost of ownership for a few different reasons. 

Emissions are reduced, your refueling strategies can be tailored, you’ll have less downtime caused by maintenance and repairs, and you’ll be helping the environment as well. And that costly investment will give you a return on investment within three years or less, especially when you include the federal and state incentives.

Will a propane Autogas conversion void the car manufacturer’s warranty? 

Most of the time no, it isn’t an issue. But it will depend on the make/model of the vehicle. If this is something you’re considering, you should call a professional conversion company or your dealership and inquire. 

Is a propane Autogas conversion reversable? 

A propane Autogas conversion requires holes to be drilled into the manifold where the injector is installed. If you choose a reversal, these holes can be plugged.  When this conversion is done by a professional, there shouldn’t be any problems with the system. If there is, you should have a warranty on the work. 

Where is the propane tank installed? 

Most propane Autogas conversions are installed where the spare tire is kept. There are extended propane tanks available if you don’t want to lose that spare tire space that can hold up to 80 gallons. These are typically installed on pickup trucks or any vehicle that has ground clearance. If the conversion is intended to be permanent, the propane tank is installed where the existing gasoline tank is located. 

In Closing

If you’re considering propane Autogas conversion for your existing vehicle, do your research. This includes getting 2 to 3 quotes and finding others who have made this conversion already. Ask how satisfied they are with the results, including asking companies or entities that have fleets that run on propane Autogas currently. If you need a propane autogas conversion in Granbury, TX please give us a call at 817-341-7240 to get started!