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          Mon, 12 Mar 2001 09:37:18 -0500
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Date: Mon, 12 Mar 2001 09:46:32 -0500
To: lancair.list@olsusa.com
From: Marvin Kaye <marvkaye@olsusa.com>
Subject: High compression pistons on an IO320
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Posted on behalf of "Gerard  J.  Cerchio" <gjpc@circlesoft.com>:

Hi All,

I have the opportunity to trick out my engine a bit being it's in for prop 
strike teardown -(.

I have 8.51 pistons currently and am thinking of 9.51 or even 101's.  I 
figure there must be a down side to increasing compression that high.  If 
it is only that I commit to 100LL I could live with that.  But is it 
possible to blow the jugs clean off? Hurt the valves? etc...

Gerard Cerchio
LNC2 N333EX

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