I have a Greenfield Evolution 3/10.5 which I am refurbishing as a retirement project.
I would like to replace the 10.5 with a 12.5.Is the mounting bolt footprint the same for both engines?Both are flat head engines.
Regards and thanks,Rocky Bob.

Last edited by CyberJack; 20/06/16 03:00 AM. Reason: Topic heading.