[Naumoff]

The 385's was designed to replace the FEs.
The 385 was developed out of a decade of racing with FEs.
That being said. I don't know the answer to your question.
Anyone running a 429. If I remember right it had a shorter stroke than the 427FE and a larger bore.
I drove a friends 70 Torino Cobra stock 429 auto and 3.25 gears and compared to my 63 1/2 Galaxie with a stock 427FE auto and 3.50 gears it seemed slow. One day he drove my Galaxie to School while I was working on his car and said my car was faster. We never raced them to see which car was faster but I think he was scared.