340 roller engine

ran 12.7 s when i got the car all day long got an edge convertor and put
I have a 69 Dart. All steel, flat hood, i weigh 330. Its 3310 at the line. 8 point mild steel bar, frame connectors.
I have a 360 with very lightly cleaned up eddies, airgap, 950, 260/264 flat tappet, 565 lift, 904, 10 to 1 compression, 5000 flash convertor.
This combo runs typically 11.40’s...
i removed an M1 in favor of the airgap. I shift at 6100. Cam is on a 106, installed at 102.
Its been 11.26 best, at almost 119
BTW, the 11.26 was with a 727, best its been with the 904 is 11.33. I know the convertor mudt be off a little, but i hsve been 1.52 60 foot. It went 1.62 with the 727, but the 11.26...

where do you live in Michigan. I race at 131, but Stanton once in a while too
wayland not far from the track