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PostPosted: June 12, 2017, 12:17 pm 
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Joined: July 24, 2008, 9:18 pm
Posts: 224
I have a good motor that I am getting ready to install. I do not want to rebuild it, as it is a good motor. But I do want to flush the oil system as a preventative measure since it has been sitting and dirt, dust, or whatever could easily found it's way in areas I do not want it. Heads and block are still assembled and complete.

Not sure how I would go about this without causing damage... Any ideas?

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PostPosted: June 12, 2017, 1:21 pm 
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Joined: December 27, 2005, 8:13 pm
Posts: 787
Flushing oil and spin the oil pump with a drill (if possible). Otherwise, you'd have to pull plugs and rotate the crankshaft long enough to let the flushing oil scrub crud.

Why not run it with flushing oil in the car?


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PostPosted: June 12, 2017, 4:10 pm 
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Joined: June 8, 2010, 8:02 pm
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Location: White Rock, BC, Canada
Realistically, what is in the motor is in the motor. Without taking it apart he only thing you can do is change the oil and rely on the filter to do it's job. If you are concerned, fire up up and let it idle for a minute or two and change the oil/filter again. If the intake/valve covers are off you can pour some oil in there to flush some junk into the pan where you can drain it.
Cheers.

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PostPosted: June 14, 2017, 7:52 pm 
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I would recommend taking off and inspecting the oil pan. It will give you a good idea of the overall health of the engine. You may notice debris in there or contaminated oil (that has contacted water). If either are severe you may want to flush the oil a couple of times. If everything looks clean I would not worry about it, run the car for a few hours and then do an oil change.

The engine oil, coolant and air are all basically in sealed compartments so as long as nothing get into opening it should be ok.

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