Recent content by ZZ4X4

Yeah, the compression seemed very good to me so I found it odd that the oil could get past the rings into the combustion chamber. But I guess they put the oil wiper ring there for a reason. I'll check on crankcase pressure again but didn't notice anything blowing out of the breather. I'm in...

Thanks for the advice. I'll report back next week after I get the motor out.

Ok thanks. Makes perfect sense. I was trying to get off easy by just slapping in some new rings and valve seals. Looks like if I'm pulling the motor again I should bite the bullet and have it machine honed or even bored .010? over. Then buy some new pistons with the correct rings.

Thanks jamesmartin, I hadn't considered that the wrong pistons may be installed -- but I shouldn't be surprised since everything else on the truck seems to be a hodgepodge of shady repairs. One of the pistons does look newer than the others so someone has definitely been in the engine before me...

Hi All, I have a 79 Series III with a 19J 2.5 Turbo Diesel engine that I took from my 83 109 Santana. The engine was hard to start, running very roughly, and burning oil in distinctive puffs before I pulled it from the 109. I completely disassembled the engine and noted a compromised head...