rotation

It’s been a while since I posted and I’m getting ready for a trip out to Colorado so I’ll be around a lot these next few weeks. Anywho the PO had broken the 4wd linkage before I bought it and wore the front 2 tires down quite a bit. The rear ones seem fine and I would like to get some opinions...

I'm trying to pull my OPDA out to install the new Crown model. I've achieved TDC, have held it in place with the pin from the new OPDA, but when I try to lift the OPDA out, it rotates counter clockwise, and impacts the engine, preventing it from being fully extracted. I don't understand why it...