Hi Ty, I remember doing an engine swap with a 1451 ATCO I restored, with the one from etal, the engine might be quite OK...you've got a carby from VM, Just swap the engine over complete after a good clean-up and check over, and see how it goes.
Please do not PM me asking for support. Please post your questions in the appropriate forums, as the replies it may receive may help all members, not just the individual member. Kindest Regards, Darryl