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TorqueGas LPG Injection

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Old 08-21-2014, 07:34 AM
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TorqueGas LPG Injection

Brian , that Gas mastor company looks very similar to the Torque gas .

GasMastor

No i haven't heard of them but have read their web page and for being in business for so long they must be okay and know what they are doing .
The application sound very much the same principle as what i have installed on my truck.
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Old 08-25-2014, 06:39 AM
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This looks like a good investment for the big lap (around Australia), increased range, decreased coking of the engine. lots of benefits on the graphs shown.

What's the ballpark cost for an 7.3 installation?
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Old 08-25-2014, 07:39 AM
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The price for that system was about $2200 that was quite a few years ago, possibly a lot more now, but well worth it.
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Old 08-25-2014, 01:39 PM
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My personal 2c - and don't take this personally Blue7.3!

I wouldn't fit LPG to a Diesel. I know there are a number of them getting around in Australia, but there are a few problems, chief of which that LPG/Propane will pre-combust on a diesel - and while some diesels will tolerate some "pinging", its ultimately going to shorten the life of the engine.
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Old 08-25-2014, 05:50 PM
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Okay Adrian , will take that into account , some more research i will do and report back.
How many trucks that you know of that have melted pistons or blown up due to LPG injection, as apposed to turbo failure on these trucks?

The LPG is not injected into the motor all the time only when the rev's are at 2200 and over, this is only used for extra torque when towing.

Thanks for the concern, i will lock into it
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Old 08-25-2014, 06:51 PM
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My experience is more with US trucks, that often used to use it back in the early 2000's as a "power adder" - it was a very popular addition... until a lot of people started melting pistons, and you don't see it much now-a-days there as a result.
http://www.ford-trucks.com/forums/10...s-propane.html
http://www.ford-trucks.com/forums/71...the-7-3-a.html

The main problem is, the auto ignition temp for propane and butane (the combo which makes Aus LPG) is 470 and 410 C respectively. Our diesels will compress the air till around 600-650 C to ignite the diesel, so it will pre-ignite the propane before the piston is near TDC. If you are only injecting very small amounts, the engine should be able to handle this with limited ill affects, but if you are doing that - any fuel savings you will see will probably be offset by the cost of the LPG + the system cost, and any power gains you get can often be obtained much cheaper and safer by adding more fuel (and air).
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Old 08-25-2014, 09:13 PM
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Quote:
Originally Posted by BigF350 View Post
...
The main problem is, the auto ignition temp for propane and butane (the combo which makes Aus LPG) is 470 and 410 C respectively. Our diesels will compress the air till around 600-650 C to ignite the diesel, so it will pre-ignite the propane before the piston is near TDC. If you are only injecting very small amounts, the engine should be able to handle this with limited ill affects, but if you are doing that - any fuel savings you will see will probably be offset by the cost of the LPG + the system cost, and any power gains you get can often be obtained much cheaper and safer by adding more fuel (and air).
Much food for thought Adrian, thanks once again for your high tech info.
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