Sorry post posting proof-reading:

Frank Stutzman wrote:

The H model came out in '57 with an odd O-470-G (I'm not sure its used in
airframe) that was carbed. The J model came out in '58 with a more common
injected IO-470-C.

Should read:

The H model came out in '57 with an odd O-470-G (I'm not sure its used in
ANOTHER airframe) that was carbed. The J model came out in '58 with a
more common injected IO-470-C.

--
Frank Stutzman
Bonanza N494B "Hula Girl"
Boise, ID