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Old 07-11-2017, 03:21 PM
sf3543 sf3543 is offline
Join Date: Jan 2005
Location: San Antonio, TX
Posts: 900
Default Dipstick tube too long!

I am finally to the point where I am getting ready to fit the cowling and I have put off getting a shorter dipstick tube, assuming it wouldn't be a problem. Well, not so.
I currently have the AEL 12790, which is a little over 10" and an extension, AEL 22780, which about 2 1/4 ". Even with the extension removed, it is still a little over 10", which is too long.
Anybody have any information on a shorter tube? (Maybe PN 75761 but I can't find anything on it.)
So, looking for a shorter tube, around 8" or so.
If you have one to trade or sell, or any information on one, please let me know.
Steve Formhals
RV6, RV8 (2), RV12 & RV3 about 2/3 done.
A&P, Tech Counselor & Flight Advisor
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Old 07-11-2017, 03:41 PM
Rv3Dave Rv3Dave is offline
Join Date: Jul 2016
Location: Florida
Posts: 29

Steve, I had the exact same problem. Oil tube that came with the O320 was too long. Called my engine shop and they exchanged it for a shorter tube and dip stick. The one I am using has PN 75735 on it and it is 6 1/4" from the flange to the top. Don't have a PN for the dipstick.

Hope this helps
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Old 07-11-2017, 04:16 PM
Tom Martin Tom Martin is offline
Join Date: Jan 2005
Location: Ontario, Canada
Posts: 1,366

Cut the two inches from the Centre of the tube and glass it back together. You can remove the dipstick rod from the cap and cut two inches from it as well. A bit of work but cheap!,
Tom Martin RV1 pilot 4.6hours!
CPL & IFR rated
EVO F1 Rocket 1000 hours,
2010 SARL Rocket 100 race, average speed of 238.6 knots/274.6mph
RV4, RV7, RV10, two HRIIs and five F1 Rockets
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St.Thomas, Ontario Canada, CYQS
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Old 07-11-2017, 04:36 PM
sf3543 sf3543 is offline
Join Date: Jan 2005
Location: San Antonio, TX
Posts: 900

Thanks guys!
Steve Formhals
RV6, RV8 (2), RV12 & RV3 about 2/3 done.
A&P, Tech Counselor & Flight Advisor
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Old 07-11-2017, 08:14 PM
William William is online now
Join Date: Nov 2006
Location: Sarasota,Florida
Posts: 391

I would be interested in purchasing the 10" oil tube and stick. I've got the shorter one on my RV6A and could really use a longer one. Perhaps we could trade?

RV6A flying as of November 8, 2016. N717WK
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Old 07-18-2017, 07:01 PM
Pat Falley Pat Falley is offline
Join Date: Jun 2013
Location: Encinitas, CA
Posts: 19

For my RV4, I had to cut the 10" version down a little. The glue joint isn't holding up well (1500 hrs on it now). Aircraft Spruce has the 6.3 version (their part 07-13447), I'm thinking about using it with the short extension. Anyone know where can I get the extension?

A/S also has 10" ones. If you search, they call the tube "Lycoming tube-oil level gauge" , go figure.
Pat Falley
RV-4 - flying (bought)
SNJ-5 - ground up restoration, almost done.
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Old 07-19-2017, 11:07 AM
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Raymo Raymo is offline
Join Date: Nov 2014
Location: Richmond Hill, GA (KLHW)
Posts: 1,669

Originally Posted by Pat Falley View Post
Anyone know where can I get the extension?
I have one of these available.

ACS part: 75761 LYCOMING EXTENSION-OIL FILLER (4.47 LONG) 07-13453

RV-7A - Slider - N495KL - First flt 27 Jan 17
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Last edited by Raymo : 07-19-2017 at 11:09 AM.
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