Holley stumble trouble

Mattax said
Is tis light throttle hiccup cruising at 25, 45, or 65 MPH?

It’s more throttle position dependent than speed dependent. Mostly cruising between 2k-3k while just barely on the throttle. Above 3k is about 60mph and its not there.

Mattax said
Blue cam is already an aggressive pump shot. Hate to be washing down the cylinders chasing more pump shot.

Agreed