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EA81 Lifter Question

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#1 r0t0r



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Posted 07 May 2013 - 09:07 PM

I've got a worked ea81 in a Jodel D18 ultralight. It was done up to sub4 (NZ aircraft conversion) to about 110hp. Inclucing cam, fuel injjection (Wolf) etc etc.


I havent worked on engines for quite some time and just have a question on the lifters - whether they are hydraulic or not, and if they need clearances.


When the valve is closed I can push the rocker on the rod side and the push rod goes in - I can feel a little pressure as it  goes in and its definitely not solid. These are hydraulic lifters????


If so, can I adjust them by slowly taking any slack out and then continuing for another 3/4 turn as in other motors? Or do I need a clearance on them ??



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