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Holley mac valves vs the holley pro series

3K views 10 replies 9 participants last post by  prost63vette 
#1 ·
Any back to back test results on boost control ?
Thanks
 
#3 ·
As I understand it, the pro series have the ability to move more air quicker. The guy that tunes my car does R&D testing for holley and has worked extensively with them. In my combo (1000hp street car) he said there is no need to change from the standard holley valves I run, but in a max effort, all out combo, they 100% are a better choice.
 
#5 ·
The issue that I have always wondered about is the 100psi/second maximum rate of change? .... would sure be helpful to have that number higher if these solenoids allow more flow and control? It’s not uncommon for me to exceed this limit on a good track? ...
 
#11 ·
Hyperaktive 160lbs setup is clearly the best way to go 8 to 10 time faster than most if not all valves out there and tracks the desired target almost perfectly just my 2 cents 😜
 
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