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Old 08-07-2009, 05:41 PM   #3 (permalink)
widman
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Today we ran the compression check. Obviously we couldn’t run it hot as the engine doesn’t run, and on the right bank the adapter they made was too long to fit.
The left bank gave me 280 psi on the first try, and after adding some oil to the cylinders we ended up with between 380 and 500 psi (depending on how much oil).
I found out that the 3rd mechanic that worked on it used gasoline to start it when it still had fuel line/injector problems, and it started and died each time. So I’m thinking that the gasoline dried out any oil on the walls and rings, causing things to stick in the year or so it has set (very humid climate).
So right now I’ve filled the cylinders to the brim with 5W-30 to try to penetrate whatever might be sticking, figuring tomorrow we can push out the extra with the starter and try again.
We are running various electrical tests tonight anyway just to make sure.
Any other thoughts?
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