View Single Post
  #3  
Old 05-27-2025, 09:51 AM
PontiacHO PontiacHO is offline
Senior Chief
 
Join Date: Apr 2024
Location: Raleigh, NC
Posts: 467
Default

Quote:
Originally Posted by steve25 View Post
Basically the 067 cam had 7 more degrees of exh duration and 1 degree less in overlap, and both had the same .406 valve lift.
So the 067 hung in there a little better above 4500 rpm with the stock exh manifolds.
Seems like the 066 is better for a street 350 in my opinion.

The Following User Says Thank You to PontiacHO For This Useful Post: