318 to 340

QuickDart360 said
I think I do. Will run a holley strip dominator single plane, 9.5" FTI 3400-3600 stall converter. Also have a 4200 stall dynamic converter but not in car. 3.91's in rear.

That's about exactly what I had in my 70 cuda vert back in the day. Ran like a scalded dog.