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| Anyone Running Mogas inan IO-320, 160 Hp http://t18.net/thorpforum/viewtopic.php?f=35&t=8380 |
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| Author: | Jim Mantyla [ Fri Jun 14, 2019 10:32 am ] |
| Post subject: | Anyone Running Mogas inan IO-320, 160 Hp |
Guys, I was wondering if anyone was running Mogas successfully in their IO-320 engines? I have a 160 hp, D1A engine with the 8.5/1 compression ratio. The local prices of fuel here is $2.01 per liter for 100LL.($5.71/US gal) Thanks, Jim |
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| Author: | Jeff J [ Fri Jun 14, 2019 10:50 am ] |
| Post subject: | Re: Anyone Running Mogas inan IO-320, 160 Hp |
The Peterson MOGAS STC isn't approved "for engines using Bendix fuel injection because it failed our flight testing". You might give them a call and see what the failure was. https://www.autofuelstc.com/approved_en ... ames.phtml |
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| Author: | James Grahn [ Fri Jun 14, 2019 11:24 am ] |
| Post subject: | Re: Anyone Running Mogas inan IO-320, 160 Hp |
I ran it in my carbureted 160hp O320 for a while. Performed fine, I just didn’t like the smell. Cubes |
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| Author: | Jeff J [ Fri Jun 14, 2019 4:48 pm ] |
| Post subject: | Re: Anyone Running Mogas inan IO-320, 160 Hp |
I don’t think burning unleaded is a problem but I wouldn’t want to try it on this engine until I knew why the fuel injected Lycomings failed the flight tests. It may just be a case were a parameter fell just shy of FAA tolerances for “certified” aircraft but would be perfectly safe for “experimental” use or it could be a potentially serious problem. Whatever the problem, I think if it was an easy fix the STC would include the IO-320. The Bendix system was called out specifically as the reason for not making the STC, not the engine. |
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| Author: | Unclerap [ Sat Jun 15, 2019 8:37 am ] |
| Post subject: | Re: Anyone Running Mogas inan IO-320, 160 Hp |
I bought an IO360A1B6 nearly zero time, properly pickled and stored for several years. Then the owner decided to "crank it up to see what it sounds like". Using premium mogas with ethanol. 10 mins of ground run ruined the injection system. Next attempt to start several weeks later, it would barely run. He gave up on it and sold it to me. $1,100 OH on the injection system and it ran great. No mogas for my lycoming. Rap |
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| Author: | Fraser MacPhee [ Sat Jun 15, 2019 10:49 am ] |
| Post subject: | Re: Anyone Running Mogas inan IO-320, 160 Hp |
If you run mogas - NO ETHANOL....it will swell any seal other than one made of "viton". |
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| Author: | Jim Mantyla [ Mon Jun 17, 2019 7:52 am ] |
| Post subject: | Re: Anyone Running Mogas inan IO-320, 160 Hp |
Thanks guys. I am not brave enough to even try it after reading the responses. regards, Jim |
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| Author: | Jeff J [ Mon Jun 17, 2019 4:26 pm ] |
| Post subject: | Re: Anyone Running Mogas inan IO-320, 160 Hp |
Good choice. I sent an email to Peterson and asked the big question. They were getting a vapor locks with the Bendix fuel injection system and, at the time, Bendix did not provide for the elimination of vapor. Apparently Bendix has since addressed the problem but not well enough for him to pursue an update to the STC. |
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