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Quick Oil Priming Video

Car Guy Bill

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kr_1315

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The engine doesn't differentiate between the starter rotating the oil pump, or the combustion cycle.
 
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Car Guy Bill

Car Guy Bill

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The engine doesn't differentiate between the starter rotating the oil pump, or the combustion cycle.
Spinning the engine via the starter motor avoids turbo spool-up because there is no combustion. Furthermore, the absence of a combustion cycle greatly minimizes the load on the crank and rod bearings
 

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Ducati1098

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Spinning the engine via the starter motor avoids turbo spool-up because there is no combustion. Furthermore, the absence of a combustion cycle greatly minimizes the load on the crank and rod bearings
Crank, rod, cam, turbo bearings.. none of that is dry after an oil change.

Simply starting the engine after an oil change is absolutely no different than cold starting it in the morning after the engine has been off for hours.
Do people that use this also “prime” their engine every morning? I’m honestly curious.

Just starting the engine will build not only more oil pressure, but also much quicker than clear flood mode.

If there was any validity that this somehow helped or caused less damage, it wouldn’t be called clear flood mode. It would be called engine oil prime mode or something, but that’s not what it was programmed for.
 

McRightclick

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Crank, rod, cam, turbo bearings.. none of that is dry after an oil change.

Simply starting the engine after an oil change is absolutely no different than cold starting it in the morning after the engine has been off for hours.
Do people that use this also “prime” their engine every morning? I’m honestly curious.

Just starting the engine will build not only more oil pressure, but also much quicker than clear flood mode.

If there was any validity that this somehow helped or caused less damage, it wouldn’t be called clear flood mode. It would be called engine oil prime mode or something, but that’s not what it was programmed for.
After an oil change the filter is empty and it takes a few extra seconds to fill with oil before pressure can build; over on BITOG some folks logged their oil pressure readouts on startups and there is a noticeable delay in time to get to full oil pressure between a normal start and an empty filter. I think there was also an LSJr video on the topic with some pressure traces too.

Probably not going to hurt anything if you don't use it, but I would for peace of mind.
 

BillyB

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Does your FD use this alt to re-start after an oil change...I asked mine after Apr 2026 change and the response was...whaaaaattt ???
 

Ducati1098

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After an oil change the filter is empty and it takes a few extra seconds to fill with oil before pressure can build; over on BITOG some folks logged their oil pressure readouts on startups and there is a noticeable delay in time to get to full oil pressure between a normal start and an empty filter. I think there was also an LSJr video on the topic with some pressure traces too.

Probably not going to hurt anything if you don't use it, but I would for peace of mind.
There’s still residual oil on everything. Whether the filter is dry or not.

There’s probably millions of oil changes done every day without “priming” the oil and yet never any issues, that’s all I’m saying.
 

HotdogThud

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This is completely unnecessary for oil changes. But if it makes people feel all warm and fuzzy doing it, more power to you 🤷‍♂️
Indeed. Better advice would be to let the engine 'rest' for about 30 seconds before shutting it off if you've been running it hard or it's particularly hot out, to cycle cooler oil into the turbo and prevent coking.
 

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Umichigan1

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There’s still residual oil on everything. Whether the filter is dry or not.

There’s probably millions of oil changes done every day without “priming” the oil and yet never any issues, that’s all I’m saying.
No, no, no! This priming idea is totally legit. Everyday I do this as I prepare to go to work in my 1918 Model T (its black and the T stands for turbo). I expect to get another hundred years out of this baby!
 

BillyB

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Let's agree to disagree here...or not. Choose your side...Boris the Animal or Agent J ???
 

MilesTeg

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Neither this nor filling the oil filter matter -- probably. But, it's trivial to do one or the other, so I do it.
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