What Does Clocking a Turbo Mean?

You may be familiar with the term, but not necessarily the process. This video not only shows what clocking a turbo means, it also shows how to do it.

It’s a simple process really, but it is critical to the longevity of your turbo. If you skip this step, damage to the turbo can result.

I strongly recommend you wait to perform this procedure after you’ve got the engine mounted in the vehicle. That way you’re sure to have it positioned correctly.

No matter what, I hope you enjoy the video. Good luck!

Additional info links

What is a Turbo: https://en.wikipedia.org/wiki/Turbocharger

Clocking a Turbo: http://www.on3performance.com/tag/how-to-clock-a-turbocharger/

What is a Turbo Timer: https://en.wikipedia.org/wiki/Turbo_timer

My turbo kit: http://www.on3performance.com/shop/1987-93-mustang-gtcobra-5-0-foxbody-turbo-system/

The #FairmontProject playlist: https://www.youtube.com/watch?v=L22GsHQi7tU&list=PLSzhQ6St-ov2nxWVKCeU14Vt7JJ_QSZvs

The best place for answers to your automotive questions: http://www.ericthecarguy.com

Check out the ETCG Blog for the latest info: https://www.ericthecarguy.com/blog

Camera: Brian Kast

Thanks for watching!

Discussion about this video: https://www.ericthecarguy.com/kunena/18-The-EricTheCarGuy-Video-Forum/67500-what-does-clocking-a-turbo-mean

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Stay Dirty


Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information.  EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video.  Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result.  Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy.


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38 thoughts on “What Does Clocking a Turbo Mean?

  1. You also want little to no crankcase pressure, or the oil will drain even slower and sometimes come out behind the compressor wheel into the intake tract.

  2. HI again Erick, I wonder if you can help me, My question is: I have a Honda Civic 1999 1.6 lts EX, Please can you tell me where is located the ECU or ECM of this car. Thanks Ernesto

  3. Hey Eric! Nice video..! Can we have air in the oil lines and how we get this out if the return line is from below? (I mean that: the air is lighter from the oil and the turbo maybe have a big bouble in it) Sorry for my english…..

  4. Hey Eric do you have any plans of taking this beast on the track this spring and seeing what she can do? That is one video we are all dying to see.

  5. Hey Eric, are you running a oil cooler on this setup? if so can you send me some pics of how you set yours up? Thank you love these videos their helping alot of people out!

  6. Thanks for the video Eric.
    Generally the consensus regarding allowing a turbo to 'wind-down' is to drive out of or at low levels of boost (this is not subjective, low is 1-4psi) for the last 5-10 minutes of your journey as idling is more detrimental than running at low load. With that being said, in the real world it makes very little difference, but when speaking of best practice it's best practice to speak of the best practice (:D) and not the second best.

  7. Hi Eric Love your vids. As always I don't know anything but this, just something on my mind. First I agree with all you say on your video. I got thinking about this and wonder if the oil coming in the turbo have the oil pump pressure? If this is the case won't that pressure coming in push the oil out? Again I believe the what you did it is the way to go but just thinking out loud.

  8. After eight years with a turbo diesel I have either ran wasy the last mile or two untill a stop or let her idle for a few minutes after arrival. I have had no turbo problems.

  9. Another good reason to idle to cool down is the fact that if you immediately shut down a hot turbo, the oil has a tendency to boil due to the extreme turbo temp. Heavy duty diesels such as Caterpillar, Cummins and Detroit recommend it.

  10. Isn't their a device that will circulate the oil (a type of pump) after you turn the engine off? Have you ever thought about that kind of device?

  11. I have no experience from this but from listening to other people… they don't recommend using the filter you have on your turbo because the glue can come loose from heat and the turbo can suck the cap in and destroy the intake fan. Enjoy your videos. Been watching for a few years. Keep up the expert advice.

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