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Old 10-15-2017, 05:42 PM
loomdog32 loomdog32 is offline
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Join Date: Oct 2017
Posts: 12
Exclamation Engine Oil Flush - Milkshake after Cracked Heads

Looking for suggestions on what to do with flushing the bottom end of the engine from Milkshake Engine Oil...

Heads and above are currently off.

I've thought about letting it soak in ATF or Marvels Mystery Oil for a day or 2. Then Oil Change using cheapo, 0W-20 conventional oil until no more milkshake. Then put in the long term normal use full synthetic.

I think thats the correct route to take, but need some advice here..
91 Ranger XLT 3.0l v6 Regular Cab
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Old 10-16-2017, 03:15 AM
EaOutlaw1969 EaOutlaw1969 is offline
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Join Date: Jul 2015
Posts: 901
Default Re: Engine Oil Flush - Milkshake after Cracked Heads

In the past when dealing with blown head gaskets and contaminated oil I would remove the drain plug and oil filter ( with the heads still off ), I would fill a new inexpensive oil filter with fresh cheap oil of the correct weight or close to it, then I would just put the drain plug back in, fill the engine with new oil and use a drill to drive the oil pump and run the pump for a few minutes.

After I ran the pump with the fresh oil for a while I would remove the filter and toss it out drain the engine oil and reassemble the engine.

With the engine work complete and new oil and filter in place I would run the engine for 5-10 minutes while monitoring the engine temperature and oil pressure with test gauges in place.

Then I would change the oil and filter again and run the engine for 500 miles or until the oil looks nasty but no longer than 500 miles.

After that I would just keep an eye on the color and feel of the oil to make sure I got all the water out.
2002 Ford Ranger 2 Dr Standard cab 2.3 5 SPD 7.5 373 gears
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