John Thompson wrote in message ...
Corky,
I think one of the biggest roadblocks in autoconversions is the lack of
"cookbooks". Instructions that cover things like that "stud stretching"
tip, why you might want to use this camshaft, or replace this part or
other, lifter bearing replacement, etc. and where to get them.

SNIP

John

Amen to that, but what scares me about auto conversions is the that
the design parameters for the auto engine are based on 25-30% constant
power at hiway cruise.
The reliability of the engine in automotive use is therefore not a
meaningful indication of fitness for flight.
Even with the engine blueprinted and a beefed up cooling system and
oil cooler added, when you run that engine at constant 75-80% power in
an aircraft you are likely to have 'hot spots` in there somewhere
which can play hell with reliability.
Do a lot of base testing Corky, and good luck to ya.