318 Engine stumble
Around 15-1700 rpm.....huge stumble
When I get pst it the power is there
In neutral
Slowly raising gas......stumble occurs like a surge. Starting about 15-1700
And doesn't go away
Vac at idle is 19
Timing 8°
318 1976 stock and original everything
Holley 600 vac sec
1968 points distributor