All the parts are listed on the 337. As far as the sketch/diagram, I used the Piper Warrior (PA28-161) parts diagram as listed in the parts book. The oil cooler installation is the same in both the Maintenance Manuals. I included the copies of both the 140 and 161 parts illustrations as well as the installation instructions for the oil cooler when I submitted it to the FAA.

I believe I sent you the back side of 337 before, did you get it? Let me know. You can email me at .

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Dave,

When I would run the tanks dry and watch for the fuel pressure gage to swing then turn on the fuel pump and switch tanks. Done right the engine would not sputter, but you really had to keep an eye on the gage. If you don't the engine would sputter and it would take 3-5 seconds to restart after switching tanks.

Yes, was just switching tanks to limit fuel imbalance.

Bryan

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Thanks for your reply Bryan.

~Bryan, I'm wondering when you ran the tips dry, did you switch tanks when you saw the fuel PSI drop, or when the engine sputtered? If you waited for the sputter before switching, how many seconds before the engine cought on the new tank?
~Did you switch tip tanks every 10-15 gal to limit fuel imalance, thus preventing one wing from getting to heavy?

Thank you, Dave

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Hi, I’m new to this forum but would like to ask for some advice. I want to start pilot training and want to know if recommendations could be offered, I live in Tucson AZ. Also, any do’s and don’ts advice would be appreciated.

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Hi, I’m new to this forum but would like to ask for some advice. I want to start pilot training and want to know if flight school recommendations could be offered, I live in Tucson AZ. Also, any do’s and don’ts advice would be appreciated.

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Our website/free app lists 9 FBO’s in 8 different states that offer a fuel discount year round for showing the free app, not to mention listing over 1,800 courtesy cars nationwide.

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Dave,

I used to own a 1966 PA32-260 with the 4 tank configuration. I always used the fullest main tank for take off and to get to altitude; I would switch between the tips tanks while maintianing a difference of no more than 10-15 gallons between the left and right side. Early on I would burn the tips dry to use all the fuel possible. I read several articles that it could actually lead to fuel system clogs so I stopped that practice. I hope this helps.

Bryan

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Being new to this forum, I would like to introduce myself. Hi, I am Mark Gregory and I have a huge passion for aviation. As a matter of fact, I graduated high school with my A&P and have been in some form of aviation for the past 30 years! I’ve worked on a wide variety of aircraft from Piper Super Cub to B747. I’ve turned wrenches, drilled holes, smashed rivets, chased sparks, and can safety wire blind folded. For 26 years I’ve been involved with the US Air Force either active duty or as a weekend warrior crewing the F-16. In the military, someone is always getting written up for not wiping down struts, using contaminated rag, or not enough hydraulic fluid. I went back to school while working full time in 2008 and graduated from The University of Arizona in 2013 with a degree in Civil Engineering and to help pay for school, I came up with the idea of producing a product to clean aircraft landing gear struts now called Strutwipe. Currently I’m a Certification Engineer supporting TC efforts, certifying STCs and PMAs through the LA ACO. I am also a FAA DMIR designee so if anyone would like to ask me a question on manufacturing and maintenance, please feel free to inquire. There has been one thing that has eluded me and that’s earning my pilot license, which I plan on starting on my 50th birthday in September! Checkout my web site Strutwipe to learn why, “It’s better than a rag!”

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Thanks for the information. Just a quick question or two. Did you list all the parts on a 337 and include a sketch or diagram of the new placement before you actually went to FSDO to start the approval process? And if so, can you share the parts list with me as I am going to go out to Wentworth (they on my home field) and look for all the necessary arts minus the lines. I sure appreciate it as I have often thought about the oil leak problem myself. The plane starts its annual end of august so it would be great timing if I can get it done. Plus with the new AD for oil lines again the timing is perfect.
Thanks so much.

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Here's what i sent to the FSDO. I had new type D oil lines made up at acft spruce...you could also order the oil lines for a PA28-161 and they would work. All other parts (baffles and oil cooler mount) were Piper parts that are from a Warrior (PA28-161). I used my original oil cooler with 90 degree fittings and it worked OK.

Let me know how it works for you.

Marc

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I meant to say PowerFlow. Dang Smart Phone.

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I also installed a powerful and would appreciate any information you might want to share with regard to relocation, line location and mostly rerouted air cooling ducts.
I'm at . I am also an A&P and work with numerous IA's.

Thank much.
Lydell

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Yes I have. Both upper and lower on my 140.

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