oil affects spool up ?
#1
BOOSTED Vert
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oil affects spool up ?
I just bought my turbo, it must have less than 20 miles on it. When I first got it spun really nice. THen now that I just removed it I noticed it didnt spin as it did when I just bought it... so I keep playing with it and I glance at my wd 40 can sitting next to it and I apply it directly in the oil inlet. And the turbo no spins like it did before.. There was a huge difference in the force required to spin it and how long it remained spining.. But the car hasnt been turned on for a while so I dont know if its cus it hasnt been ran or just that the thickness of the oil slows the bearing some. wd 40 as obviouse as can be is a million times thinner than engine oil, which is why I ask this question..
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I think you nailed it yourself, the oil is quite a bit thicker when cold, so it tends to require a bit more force to spin. And of course, WD40 is rather thin and, tada, allows the bearings to spin freely without the drag of thick oil. I wouldn't worry about it too much.
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