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 Didn't go as planned 
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MMT Member

Joined: Mon Jul 02, 2012 7:07 am
Posts: 15
Post Didn't go as planned
I wanted to share my experience from tonight.. I set aside a few minutes to check the valve lash and do a little routine maintenance. As usual I use a pencil to check for the piston at 1/4" below TDC. Dropped the pencil in and spun the prop a few strokes. I noticed something funny and I guess the pencil got in a bind and snapped in half down in the cylinder. Has anybody ever had this happen before?

That was at 5:00 this afternoon. Needless to say several busted knuckles and a case of beer later everything was ripped down and now I'm back up and running!

I wanted to share this as a token of gratitude to folks on this forum. I am a rookie mechanic and referred to many posts on here for torque specs and tips.

Thanks MMT


Fri Jun 23, 2017 9:11 pm
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MMT Super Elite Member

Joined: Fri Dec 18, 2009 8:10 pm
Posts: 16915
Location: Rowlett, TX
Post Re: Didn't go as planned
Lesson learned; dont stick a pencil in your cylinders again.

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Fri Jun 23, 2017 9:20 pm
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MMT Sponsor

Joined: Fri Jan 10, 2014 1:16 pm
Posts: 2107
Location: Gladewater TX
Post Re: Didn't go as planned
Lol, when setting the valves, spin the engine in its normal rotation. Watch the valve open then close and slowly give engine another 1/4 turn. Set that valve then repeat for other valves. Once your done roll it through its rotation again and recheck .Another fellow called me a while back and broke a pencil off. No need to know where the piston is to set the valves :D


Fri Jun 23, 2017 9:22 pm
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