I just finished installing the 350 TBI engine back into a 95 chevy k1500. I still need to replace the 4.3 ecm prom and the injectors. Driving the truckin 1st it jerks as you are going down the road. Same in reverse. A friend told me the clutch plate may have a hot spot in it. This is the same clutch plate that had no problems before I put the engine back in. I put in a new slave cylinder to replace the one that was leaking. I haven't did the timing yet as I was waiting for the ecm prom and injectors. The idle is low and will stall but it did that before. I sure don't want to pull the transmission and bell housing now that I have got everything back together and I can't find anything on the internet that says the clutch plate would cause that.