The Webra 120 and the Thunder Tiger 120 are both great engines. They are not bored-out 108s. And a 140 is not a bored-out 120. The TT 120 is actually about a 127, and I think my two of them out pull my two Webras. But I like them all. I do run all four with Perry Pumps and fuel tanks on the CG.

Clair