Pulled and cleaned the oil pan, it had a bunch of gasketing on it. Found that 4 oil pan bolts went m.i.a. , probably shook loose. No chunks in the pan sans some non magnetic gasket maker.
2 things were noticed- Thinking that #2 was the straw to #1
1. chunks of crap in water passages of the head impeding water flow. I flushed the block- but never took off the head to clean it out
2. thermostat blanking sleeve was turned so the head passage had no hole facing it. May have been bumped when changing out the gasket. I drilled smaller holes next to the original blanking holes so there will not be that problem again.
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| So heres the head, cylinder 4 looks like it was warm. Note the clogged water ports. |
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| Heres with old head gasket, note gasket sealer... |
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| Heres the block itself, lots of gasket. |
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| Stamping on the pistons. Cant distinguish if overbored or not |
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After polishing w the nylon wheel the pistons got shiny!
pointing to new water ports with the drill bit
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Cylinder 4 appears to have a different piston in it. May be the lumpy idle.
I took the liberty of drilling 3 more small holes on the non exhaust side of the deck where the blanked areas were to keep this from happening again.. hopefully
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So on to the rocker shaft and arms and bushings.
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