Thread: 400 vs 455
View Single Post
  #7  
Old 01-29-2024, 11:40 AM
Tom Pugh Tom Pugh is offline
Member
 
Join Date: Jan 2024
Posts: 96
Default

Quote:
Originally Posted by John Milner View Post
Really, if 400 horsepower is the goal, a good running 400 with a set of 67-70 72cc big valve heads and something like a Crower 60916 or 60243 cam would likely get the job done.
what would the static compression ratio be with the 72cc heads? I've seen several sets of 670s and of course the edlebrock and Kaufman heads but I was under the impression these would not be pump gas friendly on a 400.