1.77" intake valves EFFECT on idle VACUUM?

[BLACKHAWK38]

HOW will bigger intake valves affect the IDLE engine vacuum with NO other changes, ie, cam, rockers, lifters, stay the same, just bigger intakes,

WiLL Idle vacuum DECREASE?

INCREASE?

STAY THE SAME?


REGARDS

 

[VadersV6]

Vacuum may drop a tiny amount, if at all. I wouldnt sweat it.