I have a stock 72 #3790010 350ci bottom end, im going to be using an edelbrock performer cam idle-5500. TH350 stage 2 shift kit, 2000stall. i have the #3790010 block #39889881 1.72int/1.5exh heads factory 165hp Combo 8.2.1 compression, also have a set of 1990 TBI cast Iron heads 1.94int/1.5exh swirl heads, witch heads would perform better?

 

I would sell those and buy GM performance Vortec heads and use vortec adapter plate on V carb manifold. GM Vorted are about $500 pair + ship..

 

i have the L05 heads on my s10 and i like the torque.