Its currently in storage while I work up from the ground on my K10. I sold that Blazer tub to someone who took a real beating on something that someone hid all the rust on and passed off as a good unit.
My 78 had a functional unit in it and I think it was from Harwood. For my other project I picked up one from summit that 2” functional. https://www.summitracing.com/parts/KPT-0851-038
I’ve been doing a c10-k10 conversion. I found a Blazer frame for the axles and some parts and bought the rest from eBay/LMC/ORD. A frame swap may have been easier but I was given the base C10 so figured I would roll with it. You can do the front end without even taking the body off the frame...
I have a motor from a 84 sitting in my shop floor with that same thing on the valve cover. Unfortunately none of the wiring is still in place so no idea what was hooked to it.
I am converting a C10 frame to K10 and looking at pics of my old frame that I sold long before I got this frame to convert it looks like the rear cab mount is below the frame rail a smidge where the C10 mount is even with it. It looks like about 1.5-2" difference. I may have to custom cut a...
You would use the bushing set for the 73-80 frames. They have simple round holes on the frame mounts. On the 81-87 they are round holes with flat sides.