The bigger the motor the more duration it will accomadate before the cam gets "lumpy". If you put a 220 deg @050 cam into a 292 it'll be relatively smooth, take the same can and put it in a 194 and it'll be really lumpy.

Smaller motor have less volume to fill whcih takes less time to occur.

51 GMC 4.2 turbo
Can't solved today's problems using the same technology/thinking that created them