When I bought this truck, I was pleasantly surprised that the engine, a stock 4200cc Toyota 2F straight-six, actually appeared to have been properly mantained! I found very good compression and great oil pressure with only a smidgen of oil consumption between oil changes (one per year). I did some minor maintenance to keep things in order but have driven the truck without problems for over five years. Nevertheless, restoring Myota without giving the engine a once-over would just be wrong. At least that's what I thought.
Since beginning this restore, the engine had been resting on my home-made mount tucked away in the corner of my workshop while I contemplated my next step. The budget was always tight and the engine ran perfectly fine, so I really hadn't been able to make up my mind what to do with it. I kept it dry and lubed and waited for a sign from God. Well, that never happened, so I eventually decided to do a rebuild-lite.
After removing and sending out the head, I began stripping the block. First, clean (scrape) the old head gasket remains, then clean the deposits from the piston crowns and the surface of the block. Yuk.
Then remove the side cover (cool huh?) and clean the residue as best I could. Very carefully I removed each lifter, one-by-one, cleaning and re-installing (lots of lube). All remnants of the gaskets were shaved away and vacuumed.
Next steps: Remove the oil pan and replace all seals and gaskets. Stay tuned!
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