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Message
Another option you may consider is to throw together a cheap six
port or 84-85 four port and fly it until you have several flying hrs on it
and all systems are functioning perfect and then install the big buck four port
on it and then you will have a new engine that has not gone through the torture
of sorting out all the cooling problems in the early days and that way you will
also have a spare sitting there on the hanger floor in case you need it.
Mornin
Ken,
I can't
see swapping back and forth between 4-port and 6-port, because the intake
ports don't match up. I also don't see any significant risk to the new
engine as far as cooling problems go. After all, what did in my last
engine was a sudden event, that happened long after I figured everything
was reliable. I would have installed the good engine by that point,
and ruined it anyway. I think most of my serious teething pains are over,
though I still don't quite trust the evap cores for
water.
The spare
engine idea has some merit though. If I had a good turbo core, I could
install a 9.4 rotating assembly that I have, and end up with a functional
spare. I probably wouldn't bother porting it, since it would only be
a backup. This idea will go into the hopper to help sort out the
best use of parts between the current engine repair, single rotor, and spare
engine.
Thanks,
Rusty
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