I have been planning on a new converter anyway, I guess the time to change it will be when I install The source heads since the exhaust will be out of the way.
The heads swap and converter change will put a smile on your face and likely get you to your goals. Your plan seems perfect to me
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight 418 BPE factory replacement headed stroker, 565 lift solid cam Best so far, low 10.30’s 1/4 1.41 best 60 foot 6.56 at 104.17
