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I did a complete engine rebuild the last time through. The first time through I just threw together some standard size main bearings and rod bearings, which ended up turning and causing oil starvation. This cost me a $137 tow, and another more thorough rebuild, but I now have a LUV running great!
I had another block which I had machined; resurfaced, line-bored, honed to .030" over, and new brass freeze plugs installed. I also installed new pistons, and chrome rings. I didn't get a new timing set, but swapped out between two sets for the best parts, and put in a new tensioner adjuster. The crankshaft from a spare engine was reground, and then when it was all assembled, I used plastigage to check for the oil clearances. The machine work was done by Pacific Auto Machine in Renton, and the engine was assembled on an engine stand in my shop. I used an engine hoist to remove one engine and replace the rebuilt unit, also replacing the throwout bearing, and installing a new clutch and flywheel, as well as all the seals and gaskets throughout.
If you don't be absolutely sure the precision is there, you may be wasting your time. I gambled the first time around, and ended up doing it right the second time around. I wrote a lot about this experience, and you can find it in my threads: "FullaLuv's LUV", and "FullaLuv's Birth of an Engine".
_________________ '78 1.8L 4-speed Fleetside  The only thing more beautiful than a sunset is a sunrise.
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