Compressed Natural Gas Fuel addition - Chevy Colorado & GMC Canyon

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Old 04-06-2012, 09:26 AM   #1 (permalink)
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Default Compressed Natural Gas Fuel addition

I've been running on CNG now for just over a week on my '06 GMC Canyon 4-cyl.

MPG went down to 20mpg from 22. But, my fuel cost dropped from $3.50+ to $1.11 per gallon (actually gallon equivalent). All in all I'm pretty happy with the conversion.

Anyone interested in my experience with this? I can answer questions and post pics as needed.

Joe
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Old 04-06-2012, 11:28 AM   #2 (permalink)
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Cool! I ran propane in fleet vehicles back in the 80's... what did the conversion cost and more importantly how big is the tank ( actually whats the vehicle range between fillups) this was our biggest hassle we would have to fill up every 100 miles or so....
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Old 04-06-2012, 08:27 PM   #3 (permalink)
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As stated above, I get 20MPG. It's a 10-gallon tank so the fill-up range is just under 200 miles. However, the gasoline system is still there. The CNG system turns off the injectors when CNG is the chosen fuel. I drive within 2 blocks of 3 CNG fill stations on my work commute so the range isn't an issue. I'm in Oklahoma and the CNG fill infrastructure here is simply outstanding. I can drive anywhere in the state, except the panhandle, without worrying about fuel availability. Here are a couple of links.

1. The Utah company from whom I bought my tank and the kit.
HOME CNG conversion kits cylinders tanks
2. A map showing CNG stations and prices. Check out the Tulsa, OK area just for fun.
CNG stations and Prices for the US, Canada and Europe
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Old 04-08-2012, 11:06 AM   #4 (permalink)
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yea... we need pics of your install
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Old 04-08-2012, 07:52 PM   #5 (permalink)
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How much of a power loss can you feel if any
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Old 07-16-2012, 01:19 PM   #6 (permalink)
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Joe I am interested in your conversion I have an '11 with the I-5 I live in OKC as well
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Old 01-07-2013, 05:41 PM   #7 (permalink)
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Count me in as another one interested in an update Joe. A new CNG station is opening up in my town and I am thinking about the EWS Conversion as well, but would like to know your thoughts now that you have had it for a few months.
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Old 03-20-2014, 01:00 PM   #8 (permalink)
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Default CNG Colorado

I am curious, I have a 2004 with the i5.... Im pretty sure our i5 engines would be able to handle this but they do have kits for us. Its illegal in ca to install one yourself so it would cost a lot. Plus it would probably wear out the valves pretty fast.

How well is your car running? Acceleration, Idle, cruise speeds? Altitude and cold/ hot weather have an impact?

Is it only CNG or can you run both CNG and Regular unleaded?

Is the system an addition to your ecu or does it work with your stock ecu?

It seems like an add on that "works" but isnt made to accurately or efficiently replace our fuel system.

I would be more inclined to use it if I could have both cng and regular fuel but I doubt that's reliable due to injectors and ecu tuning.
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Old 03-20-2014, 04:12 PM   #9 (permalink)
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Quote:
Originally Posted by sixtninecat View Post
Joe I am interested in your conversion I have an '11 with the I-5 I live in OKC as well
If you're under warranty, you probably aren't a candidate for this right now.

Unless GM lets your modify the fuel system and still maintaining a warranty.
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Old 03-30-2014, 09:59 PM   #10 (permalink)
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hmmmm. had no idea we had these options.....don't see many stations in my area but very cool idea anyway...i could see myself investing in this
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