Given that the EA81 makes best power around 4800 rpm, direct drive
probably not
a real good idea, a reduction of about 2:1 brings prop rpm down and a
good belt or
gear drive will also take the thrust saving the engine bearings
considerable loading.
I've got an EA81 turbo with NSI cam, Ellison EFS-3A, and a 2:1 belt
drive - runs great,
accelerates like a sports car when the turbo spools up. Though at
present, I'm saving
up for a new prop due to nose gear strut collapse.
On 12/25/19 9:44 PM, Max Power via KRnet wrote:
EA81 Subaru thrust bearing wear https://imgur.com/gallery/DooQjEm
.................
It is set up as direct drive and the prop should be putting pressure on the
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