Michael - I have just fitted a PV50 to a 914 and I think there is very
little difference. The control unit fits onto the two bolt holes on top of the
engine block and I found it necessary to raise the coolant filler and extend
one of the hoses. I then made a protective aluminium shield to bolt over the
top of the controller so that the coolant filler sits on this. It has a rubber
pad on the lower side, presumably for this very purpose.
When I next go to my aircraft I will take a photo to send to you.
Good luck Patrick
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