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: IO-320 Fuel System Diagram??

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rv9jim(at)juno.com
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Posted: Wed Sep 23, 2009 3:51 am Post subject: : IO-320 Fuel System Diagram??

Mike,

        I have the IO360 and I wouldn't trade my fuel sysytem from AFP

for a system that does not have the "purge " valve.  It lets you have

cool fuel on hot restarts and when shutting down, it "stops" the fuel

from letting the engine "run" on for a bit.  I put my return line back to

the fuel line that comes from the right tank between the gear leg and the

fuel selector valve.  this lets you pump the hot fuel back to the right

tank wile puttling cool fuel from my left tank.   Works great.



Jim

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Kellym

Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ

Posted: Wed Sep 23, 2009 4:41 am Post subject: : IO-320 Fuel System Diagram??

Well, I have been operating an IO-360-A1A in a Mooney for over 10 years 

with no need for purge valve complexity, no issue for hot starts, no 

issue for shutdown. If an engine tries to run on there is something 

wrong with it. KISS. No need to add parts to solve non-problems.



James H Nelson wrote:

 	  Quote: 	
		   

 

 Mike,

         I have the IO360 and I wouldn't trade my fuel sysytem from AFP

 for a system that does not have the "purge " valve.  It lets you have

 cool fuel on hot restarts and when shutting down, it "stops" the fuel

 from letting the engine "run" on for a bit.  I put my return line back to

 the fuel line that comes from the right tank between the gear leg and the

 fuel selector valve.  this lets you pump the hot fuel back to the right

 tank wile puttling cool fuel from my left tank.   Works great.

 

 Jim

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 Best Weight Loss Program - Click Here!

 http://thirdpartyoffers.juno.com/TGL2141/fc/BLSrjpTFoYczwqK6xkYeYq9T0r1ZusWUakOPPTVQF3tZ3kOEVETRUbMON7S/

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Kelly McMullen
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DwightFrye

Joined: 16 Apr 2008
Posts: 27
Location: Cary, NC

Posted: Wed Sep 23, 2009 11:17 am Post subject: : IO-320 Fuel System Diagram??

As a note ... Airflow Performance is in the process of making a new 

version of their system available which does not require a purge

valve and/or return line. I believe it is bolt-compatible with the

Precision as well, but Don Rivera (Airflow owner, and FI guru) is who

you should talk to for details.



Like Jim I did not run the purge line all the way back to the tanks,

but just back to the feed line from the right tank. It is simple and

has proven to be effective.



As for me, I _like_ the functionality that the purge valve provides in

the system and have found the additional plumbing to be trivial. But

for those who really don't want the purge valve and line ... Don now

will have an option for you to run with.



  -- Dwight



FYI: I am not affiliated with Airflow in any way except as someone who

has received absolutely superb customer service.



On Wed Sep 23 07:49:29 2009, James H Nelson wrote :

 	  Quote: 	
		  

Mike,

        I have the IO360 and I wouldn't trade my fuel sysytem from AFP

for a system that does not have the "purge " valve.  It lets you have

cool fuel on hot restarts and when shutting down, it "stops" the fuel

from letting the engine "run" on for a bit.  I put my return line back to

the fuel line that comes from the right tank between the gear leg and the

fuel selector valve.  this lets you pump the hot fuel back to the right

tank wile puttling cool fuel from my left tank.   Works great.



Jim

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