340 Chugging instead of Reving

I even like a curve for a race engine. For what he’s doing he can lock it out about anywhere about 30 and get some kind of direction.

He’s got a really nice distributor.
Yea but you’re a stick guy. :poke:
And if you have a good box you can dial the timing anywhere you want it for power management. I think to eliminate some variables here locking it would be a good test but I’m leaning towards the box being the issue.