422 robin engine blew up on 8/28/07

[ernemats]

I have a 422 with about 1200 hours on it ,7 years old Robin 22 hp. I just use regular motor oil 10-30 weight and change oil and filter every 60 to 80 hours. I have never had any problems with the engine to date.

 

[Barryh]

I have a 422 with about 1200 hours on it ,7 years old Robin 22 hp. I just use regular motor oil 10-30 weight and change oil and filter every 60 to 80 hours. I have never had any problems with the engine to date.

That's good news and nice to hear.