View Single Post
  #11  
Old 10-29-2025, 07:18 PM
unruhjonny's Avatar
unruhjonny unruhjonny is offline
Ultimate Warrior
 
Join Date: May 2004
Location: Calgary, AB, Canada
Posts: 6,835
Default

Quote:
Originally Posted by SD455DJ View Post
...
You don’t need to over-cam these engines to make good power.
I am incline to believe that this is where most go overboard...

Also, you (Dennis) pay particularly close attention to compression;
That calculated 8.75:1 compression is a bump from stock - those had a factory rating of 8:1 or something like that...

When I posted last night I was trying to recall which was the 067HL cam - thanks for sharing that!

__________________
1970 Formula 400
Carousel Red paint on Black standard interior
A no-engine, no-transmission, no-wheel option car.
Quite likely one of few '70 Muncie three speed Formula 400's left.


1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing)
2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs)
The Following User Says Thank You to unruhjonny For This Useful Post: