°Update° did a transmission filter and fluid replacement as well as replaced the modulator today and checked all vacuum lines and did a visual inspection the flex plate without removing the transmission or anything and everything looked fine. Found a small vacuum leak and repaired it ( truck...
It has a NP203 with the part-time conversion kit. Thought about rebuilding it back to full-time but I think I will have to go back to the slug hubs.
Anyway, I have not pulled the cover yet but am planning on spending some time under it tomorrow so I will do that. Think it might have something...
Little info first. Bought this 1979 K5 Blazer as a toy about year ago. It has a 350 with Dart Iron Eagle heads, quadrajet carb, 350turbo tranny with a NP 203 transfer case with the part-time conversion sitting on 36's and a 4" lift. It had some engine issues ( a lifter needed replaced general...