Castrol Edge 0W-40; 9,762 mi; 2016 Ford Fiesta ST

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First extended drain on car. Tried the 40 weight just to experiment and probably will stick to a 20 or 30 weight in the future. Might stick with 10k oil changes unless I get the itch to change it out around 5k miles.

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Wear seems to be in line with the the other oils running half the time of this run, except for the Al being much-much better.
 
Originally Posted by Dave1027
Looks like the second sample was the best. Why is it redacted? What was it?


Lab labeled the oil wrong when I did that sample and they have it as PP 5W-20 when it was M1 5W-30
 
Originally Posted by dailydriver
Did you ever actually run the M1 0W-20 in your ST, as in your sig?

(I want to try the EP in that weight for this winter's OCI in mine.)

It's in it now. It's AFE though. I do have 2 jugs of the EP variety that might go in next. I hope the 0w20 works well because even though the 0w40 numbers are good, it felt like it was bogged down compared to a 20 weight. Might just be in my mind, who knows
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That M1 5W30 sheared down. But Castrol stayed exactly at same cst as new after running it double mileage of M1.
IMO, I would stick to that 0W40 or try M1 0W40 FS.
 
Probably did … that's what thicker oils do when they are not needed …
 
The Castrol 0w-40 showed great UOA. To balance against that sluggish feel, try the Castrol Edge 0w-30. Might get same/similar result with slightly thinner oil.
 
There is a member from Cali on the Fiesta ST Forums running this very same oil, and he LOVES it, but then again he is running a much bigger, upgraded and tuned turbo with all of the requisite 'ancillaries', so he may not even notice the sluggishness of which you speak.
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Originally Posted by Gubkin
whats is the engine ?


It is a Ford 1.6 liter, direct injected, intercooled, 10:1 compression ratio, turbo 4 pot, capable of upwards of 22 PSI of boost from the factory.
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Originally Posted by dailydriver
There is a member from Cali on the Fiesta ST Forums running this very same oil, and he LOVES it, but then again he is running a much bigger, upgraded and tuned turbo with all of the requisite 'ancillaries', so he may not even notice the sluggishness of which you speak.
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Could just be all in my mind
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So far there seems to be no difference in gas mileage. I'm usually heavy footed from 2nd gear on though.
 
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