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Old 07-12-2011, 00:18   #31
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Originally Posted by Kettlewell
Wait a minute--weren't you finding that all the oil in the crankcase was gone after running hard for a few hours? Nothing showing on the dipstick. Where was it going? Or maybe I have missed part of this story somewhere.
First oil was coming from the base of the dipstick but I replaced an o ring and it stopped. Then it started leaking from the injection pump cover where the shaft from the shut off is. Replaced that o ring (remove crankshaft pulley, remove water pump">raw water pump, $20 gasket, remove injection pump) sheesh...still leaking. Did that a second time as it was suggested the shaft was worn.... Still leaking...
Awaiting valve cover gasket From opposite coast.
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Old 07-12-2011, 00:23   #32
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Originally Posted by Jesse
Progress update?
Awaiting gaskets from the east coast (I'm in the pacific). Spoke with TAD mechanic who had a pair of take out engines of the same type. He can't find breathers on either of them. They have 6 k hours on them and he will sell me one for $4k.
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Old 07-12-2011, 00:24   #33
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Originally Posted by brakauskas
I have some of the same problems with blow by in the intake but I am also registering high oil pressure. I have a lot of leaks at both crankcase seals that I will also be replacing. I have a chance to replace the high oil pressure relief valve so hopefully that is my fix. I have a Perkins 4-108 and every mechanic I talk to tells me to just live with it. They say Perkins are oilers.
Let me know how the relief valve effects your pressure problem.
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Old 07-12-2011, 20:00   #34
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Will not have an answer for you till spring boat is laid up for the winter.
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