REFLECTOR: Thanks

[Tom Cacek]

What engine? 4 or 6?  mt or fixed?  A 4 w/10-1 &EI will play hell on a mt.   Definatly ceramic coat the pistons to start, will help with oil temps.



-----Original Message-----
From: stedmanlou at roadrunner.com
To: Velocity Reflector <reflector at tvbf.org>
Sent: Fri, Jun 21, 2013 4:48 pm
Subject: REFLECTOR: Thanks



Thanks for all who joined the conversation about the Ipad and which 
software for flight planning was best. I have taken the 30 day trial for 
Foreflight and we will see what happens.

I have another subject I would like to bring up about engines. Yesterday, 
while going through my conditional inspection at my local AP shop, we found 
aluminum shavings in the oil filter. With that I elected to pull all four jugs 
to have a look. What we found was wear of one of the piston pins and some 
scoring of the barrel. One was very noticeable the other three were slight. Not 
wanting to take the chance of further damage, I have elected to take them into 
Penn Yan Aero for work. I dropped them off today and Penn Yan said that at least 
one of the pistons would need to be replaced but he thought the jugs would mill 
up OK. Now I have a decision to make. I have always wanted to put in high 
compression pistons to get that additional 20 HP, if that is true. I am told 
that the increased compression will not put any extra stress on the engine. What 
I don?t know is what other concerns I should have before making my decision. 
Would it have any effect on cooling? Do I need to use a different plug? Does the 
higher compression have any effect on starter? Any education from you engine 
guys would be appreciated. Thanks

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