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Old 02-24-2018, 08:09 PM   #15
Stephen12ZL1


 
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I “clean” mine at VIR a few times a year...
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Old 02-24-2018, 08:18 PM   #16
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I “clean” mine at VIR a few times a year...


Haha!


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Old 02-25-2018, 06:41 AM   #17
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Just swapped out my TB for a ported one, with 5k on the car I found no evidence of oil in the TB or the blower intake for that matter. I wouldn't say the choking issue isn't real but will commend Chevy for adding the clean side separator.
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Old 02-25-2018, 10:03 AM   #18
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Here is a before and after at 20k miles. Dyno done before the cleaning, and dyno done immediately after:


http://i1083.photobucket.com/albums/...psudzvlz5x.jpg


The surprising part of the coking issue is this owner, even though he is an Aerospace Engineer and very in touch with his cars, he did not think he had lost any performance in that 20k miles until after the cleaning, and then it was very noticeable. Why? The loss is very gradual, yet the regain in power is sudden.


And look at the blower, we have yet to see one not saturated in oil:







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Old 02-25-2018, 12:20 PM   #19
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What year was this?
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Old 09-11-2018, 11:53 AM   #20
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Whats the cost to clean out the carbon build up?
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Old 09-11-2018, 12:28 PM   #21
Pollock
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I would say have the intake cleaned every 30K miles. So that means for me I will have a new car before that.

You can also spend hours disassembling the top half of the motor to lift the blower and install a catch can that will only prolong the inevitable problem.

Catch cans do not catch 100% of the oil.
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Old 09-11-2018, 01:23 PM   #22
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Add methanol! Keeps valve clean and provides a cooling/octane benefit!
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Old 09-11-2018, 01:53 PM   #23
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Add methanol! Keeps valve clean and provides a cooling/octane benefit!
You might be on to something. How long does the meth tank last?
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Old 09-11-2018, 01:53 PM   #24
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Al's Answer

Well, it’s been a busy summer, getting ready for the refreshed Camaro for 2019, Camarofest, and all the other Camaro shows that we wait for all winter. I admit I am way late on this one, so my apologies on behalf of myself and the Camaro team on this installment of “Ask Al”.

Here was the topic for this round, having to do with oil selection for tracking your Camaro:

Can you expand on the recommended engine oils for track / competitive driving in the Camaro?

• Mobil 1® 15W-50 engine oil appears as a secondary choice for the ZL1 while appearing as the only choice for the ZL1 1LE?
• Some folks would like to regularly use Dexos2™ 0W-40 or 5W-40 oils on the street - any advice/suggestions?
• There is a NEW oil…Mobil 1 0W-40 ESP that is Dexos2-approved. How does that mix into this discussion?

The LT1 and LT4 engines are factory filled with 0W-40 Dexos2 oil. The 0W-40 Dexos2 engine oil is approved for both track and street use with the LT1 and LT4 (ZL1 only, not ZL1 1LE) engines. This is straight out of the owner’s manual.

For the ZL1 1LE, 15W-50 is the required track oil due to the increased lateral acceleration capability of the vehicle. It has enough of a grip capacity increase above all the other models that the added protection from 15W-50 is needed. The thicker 50 weight viscosity helps with oil pan drawdown when the oil gets hot on the track and reduces risk of pressure dropouts. For the ZL1, 15w-50 will add protection but is not required, as the 0w-40 was tested and provides adequate protection in a track environment.

Since Mobil 1 15w50 is not Dexos-certified, it is not recommended for long-term street driving use. Follow the Owner’s Manual and switch back to the 0W-40 Dexos-certified oil after your track session is over and you are back to street use.
With regard to the new Mobil 1 0W-40 ESP Dexos 2 oil, it is an acceptable oil for both the street and track, for the SS, SS 1LE, and the ZL1 due to having less aeration. However, it is not recommended for tracking your ZL1 1LE.


https://www.camaro6.com/forums/showthread.php?t=535476

Try looking under the "Ask Al" section.
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Old 09-11-2018, 03:51 PM   #25
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Quote:
Originally Posted by Elite Engineering View Post
Here is a before and after at 20k miles. Dyno done before the cleaning, and dyno done immediately after:


http://i1083.photobucket.com/albums/...psudzvlz5x.jpg


The surprising part of the coking issue is this owner, even though he is an Aerospace Engineer and very in touch with his cars, he did not think he had lost any performance in that 20k miles until after the cleaning, and then it was very noticeable. Why? The loss is very gradual, yet the regain in power is sudden.


And look at the blower, we have yet to see one not saturated in oil:







I'll volunteer and be "that guy", but this example doesn't scream out to me that oil is saturated everywhere? I see a small puddle at the bottom left corner and some on the top but the rest looks pretty dry?
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Old 09-11-2018, 04:34 PM   #26
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Adding a catch can definitely voids your warranty?
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Old 09-11-2018, 05:06 PM   #27
Pollock
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Adding a catch can definitely voids your warranty?
It has for a few people. Do a search.
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Old 09-11-2018, 05:09 PM   #28
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It has for a few people. Do a search.

Do a thorough search. In a nutshell, NO.
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