Pete KE9OA wrote:
I did remove the 1k swamping resistor from the primary of the 1st 455kHz
I.F. transformer. Gain came up quite a bit, so the radio sounds more like a
651S-1 or a 75A-4.

Considering you're not getting any overloading on any band, why do you
suppose they put it there in the first place? I can only think of
reducing primary Q, which doesn't seem terribly worthwhile.