I am waiting for AMC blue metallic engine paint from seymore so I can finish the oil pan, but in the meantime, I figured I'd fix the expansion plug leak above the crank on the back of the motor, and replace my pilot bushing. I'm actually lucky that I pulled all the drivetrain apart to seal and paint everything. without doing that, I would have never found that expansion plug leak and would have taken it as a bad new rear main over and over again.
I washed the block with that gunk gel engine cleaner and when it was dry, I could see brown sealer around the plug, and a moist trail of oil heading for the rear main. I had to tap the sealer with a hammer to break it off of the block. Upon inserting the new plug I pushed one side of the new plug in too far for my liking (thought it may contact the cam (not good), so I pulled the new plug back out and trashed it. Off to Summit for another plug set (only way I can get the one plug I need). The second one went in perfect, I used a thin film of RTV in the plug's hole to help seal against remaining brown sealer bits and scratches I may have missed.
I used the grease pack technique I've seen used on this forum to remove the pilot bushing, and it worked great! The new bushing went in really tight! That'll be fun to remove if I have to later.
I'm looking for a Scout II Dana 300. Drop me a line if you have any leads. Thanks