Tom-D
Taxi to Parking
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Tom-D
There are certain early O-300 to avoid, those with crankshafts that are not availabe anymore. I can't remember all the specifics hopefullt Tom-D will chime in.
Really nothing there to worry about, there is a STC to used O-300-D cranks in the C-145/0-300-A but we seldom need one, but the prop must be changed to fit the crank flange of the -D crank
If you really need an IFR aircraft I would not advise any that do not have a vac pump.
The C-145 and the 0-300-A can be converted to use the 0-300-D accessory case and the off set starter and the vac pump. That requires a 337 field approval.
on any 170/early 172 that normally uses the 145/0-300-A can be up graded to the 0-300-D with little problems.
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