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Old 10-27-2016, 09:08 PM
petehowell's Avatar
petehowell petehowell is offline
Join Date: Jan 2005
Location: MN
Posts: 2,297
Default 1700 Hours

Just completed the 1700 hr oil change with compression check and borescope pics of the exhaust valves. - Thanks to Alex P for letting me try out his new scope!

Oil filter media and screen were examined and were clean

Compression check with cold cylinders

Cylinder 1 79/80

Cylinder 2 76/80

Cylinder 3 78/80

Cylinder 4 78/80

I run 80-90% mogas and almost always LOP. The #1 Exahaust valve was replaced 100hrs ago.

This unit leaks a lot of hot air......

Amateur Plane - RV-9A N789PH - 2450+ Hrs
Amateur Radio - KD0CVN
Doggies Delivered - 25+
St. Paul, MN

Last edited by petehowell : 10-27-2016 at 10:29 PM.
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Old 10-27-2016, 09:33 PM
erich weaver's Avatar
erich weaver erich weaver is offline
Join Date: Aug 2006
Location: santa barbara, CA
Posts: 1,754

Wow, those look clean as a whistle.

Suggestion to moderators:
A decent borescope is now very affordable and many of us have one now. What do you think of starting a sticky: "Show Me Your Exhaust Valves" so we can accumulate a good mass of these pictures in one place and compare our own to everyone else's just like we do for instrument panels etc. Good idea?

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Old 10-28-2016, 05:39 AM
Weasel's Avatar
Weasel Weasel is offline
Join Date: Dec 2012
Location: Brooksville, MS
Posts: 750

Nice Pete. 1700hrs of good times
RV-4 715hr Sold
RV-10 "School Bus" - +1700hr counting
RV-10 N7631T 820hr Sold
RV-8 700+hr
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Old 10-30-2016, 09:01 PM
Darin Watson Darin Watson is offline
Join Date: May 2011
Location: Calgary, AB
Posts: 185

Nice photos, what are the details of your scope?
C-GULF RV-7 located in Calgary, AB
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Old 10-31-2016, 07:38 AM
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AlexPeterson AlexPeterson is offline
Join Date: Sep 2005
Location: Ottertail, MN
Posts: 2,458

Originally Posted by Darin Watson View Post
Nice photos, what are the details of your scope?
Vividia Ablescope VA-400 USB Rigid Borescope Endoscope with 180 Degree Articulating 8.5mm Diameter Probe

Pete took all my fun away of being the first to use it for scoping valves... I learned of this scope from a thread on VAF a while back, don't recall whom to credit though...
Alex Peterson
RV6A N66AP 1750+ hours
KADC, Wadena, MN
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Old 10-31-2016, 12:23 PM
Low Pass's Avatar
Low Pass Low Pass is offline
Join Date: May 2006
Location: Houston
Posts: 2,121
Default 1700 hrs

Very impressive! I generally limit my oil changes to 30-40 hrs.

Seriously, those are some clean valves!! The ones with pics that link properly.

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Old 10-31-2016, 08:20 PM
rockwoodrv9 rockwoodrv9 is offline
Join Date: Dec 2011
Location: Meridian ID, Aspen CO, Okemos MI
Posts: 2,856

Pete, the story to me is you have 1700 hours. Thats great. What a fun 1700!
Williamston MI
O-320 D2A
Flying N376E
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Old 10-31-2016, 08:52 PM
David-aviator David-aviator is offline
Join Date: Feb 2005
Location: Chesterfield, Missouri
Posts: 4,514

Congrats Pete. You are doing something right.
RV-12 Build Helper
RV-7A...Sold #70374
The RV-8...Sold #83261
I'm in, dues paid 2019 This place is worth it!
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