A Holley Carb as 2 power valves? A primary & a secondary?
If on a cammed motor with but 8lbs of manifold vacuum, would the new 4.5 Power Valve be installed on the primary side?
When would the secondary-side Power valve be changed?
Sheesh! :drunk:
If on a cammed motor with but 8lbs of manifold vacuum, would the new 4.5 Power Valve be installed on the primary side?
When would the secondary-side Power valve be changed?
Sheesh! :drunk: