Vacuum Spring Problem?

Hmm, Yes it all adds up. Thanks for all your information. I'm going to do some spring changes first off (after I pick up that new holley spring changer adapter) Just to let ya know, I was also told I don't have the nicest setup as far as engine matching go's....(and I thought it wasn't bad) ask questions, live and learn :book:

1. My intake is the older performer (streetmaster) single plenum...bad for torque and overall performance for these days standards. (get rid of it)
2. Due to the rebuild and good compression, headers, crossover I was also informed to go for a 340 cam "or in that area", that more lift would run much better with the 3:91 gears.
3. Maybe a "little" port job at the same time to max airflow. And last, perhaps a little more converter stall.

I was informed this would more then likely be the way to go to max this little 273 engine I then should carry out the information that you guys suggested for added tuning and it would make me a very happy camper. Would you agree?