Monday, August 17, 2009

Progress...

I spoke with the mechanic today. 70L is in the process of being worked on. All of the cylinders are now off the engine and new cylinders have been ordered and should arrive on Wednesday. We agreed today to use new hydraulic flow-matched lifters (there are 12 of them in the engine). So far, so good. :-)


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2 comments:

  1. AnonymousAugust 18, 2009 at 9:41 PM

    Brian-
    There are 12 of them and they are not flow matched. they are leak rate tested. as the engine heats up the cylinders expand and thus the hydraulic lifters must pump up or expand to make up for the increased distance between the cam follower and the rocker arm. as you reduce power, and enter downwind for landing the engine experiences sudden cooling, the cylinders contract, and as such the the lifters must be able to contract (or leak down) at an optimum rate. mike peoria

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  2. BrianAugust 18, 2009 at 9:44 PM

    Thanks, Mike!

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