I just got my second 68 dart and want to do an engine upgrade. My question to everyone is what engine to do? I would like some feed back. Should I go small block(340 w2 combo), 3rd gem hemi(stroked 6.1L),big block hemi or a r5 p7 engine or p7 xr block. The car is a very solid rustfree cali car. I want to go in the pro touring direction.
