OK, you got me there . A 193 engine is an unknown (to everybody but me) version of the 103 engine.
I will re-read my note before before posting
I will re-read my note before before posting
I will re-read my note before before posting
I will re-read my note before before posting
I will re-read my note before before posting
I will re-read my note before before posting
I will re-read my note before before posting
I will re-read my note before before posting
I will re-read my note before before posting
I will re-read my note before before posting
JackD