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Engine flush 61,000 miles result #5436369 05/23/20 03:26 AM
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IMSA_Racing_Fan Offline OP
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As posted in the oil change thread. I'm a believer in engine flushing at regular intervals, keeps the sludge away and frees up carbon deposits. May even clean the PCV system. Used only 1/2 the quart bottle to top off dipstick, idled for 15 minutes, drained hot. With the 15W40 the oil pressure gauge is noticably higher at idle, just below 50 indicated.
Also removed and cleaned the throttle body, added Techton to fuel tank.
2012 CTS 3.0 61,000 miles
Tip: spray clean, dry, then grease the oil canister threads, oil fill cap, and drain plug.

IMG_20200523_021634.jpgIMG_20200523_023907.jpg
Re: Engine flush 61,000 miles result [Re: IMSA_Racing_Fan] #5436373 05/23/20 03:36 AM
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dishdude Offline
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I think the only thing that got flushed was your wallet.


2018 Challenger SRT 392 PUP 0w-40 Wix 57899XP
2018 GTI M1 Euro 0w-40 Wix WL10024
2019 Tiguan Castrol Edge Pro 0w-20
Re: Engine flush 61,000 miles result [Re: dishdude] #5436374 05/23/20 03:38 AM
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IMSA_Racing_Fan Offline OP
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That is less than 2,000 miles and that dark.

Re: Engine flush 61,000 miles result [Re: dishdude] #5436375 05/23/20 03:59 AM
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IMSA_Racing_Fan Offline OP
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Why are you using 0W in Arizona?

Re: Engine flush 61,000 miles result [Re: IMSA_Racing_Fan] #5436379 05/23/20 04:25 AM
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Lubener Offline
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If an engine needs to be flushed at 61k, it was either neglected or a poor quality oil used. Also, I am not going to dillute my oil with a thin chemical cleaner and take a chance of damaging a bearing. A buddy seized his engine when he did a flush and an oil passage got blocked feeding a bearing. Never had a need to do a flush of an engine.

Last edited by Lubener; 05/23/20 04:47 AM.

The "thinking" man's friend.
Re: Engine flush 61,000 miles result [Re: dishdude] #5436380 05/23/20 04:27 AM
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PimTac Offline
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Originally Posted by dishdude
I think the only thing that got flushed was your wallet.

This.


2017 Mazda CX5
Mobil 1 Annual Protection 0w20
Roki OEM filter.
Re: Engine flush 61,000 miles result [Re: IMSA_Racing_Fan] #5436408 05/23/20 05:56 AM
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pbm Offline
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I also don't see the need for 'flushing' a properly maintained engine. If I was going to flush a neglected engine
I'd use a gentle cleaner like Auto-RX which works over the entire OCI.


'Journalism is Dead'
Re: Engine flush 61,000 miles result [Re: IMSA_Racing_Fan] #5436411 05/23/20 05:59 AM
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adamsoil Offline
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They all need to be flushed. Haters going to hate. Nearly every pro mechanic in NZ and Australia engine flush every service. Where are all the negative stories? 1000s of cars everyday. How do you clean turbo lines and filters? Ive never heard a bad story in real life only on the internet.

Re: Engine flush 61,000 miles result [Re: IMSA_Racing_Fan] #5436412 05/23/20 06:05 AM
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Astro14 Offline
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“All need to be flushed” is quite a claim.

I’ve had valve covers and sumps off engines with over 100,000 miles and they were quite clean.

So, they didn’t need to be flushed.

Neglected engines, perhaps, could benefit, but a decently maintained engine doesn’t need flushing.


32 Packard 15W40
01 Volvo V70 T5 0W30 AMSOIL SS
02 Volvo V70 T5 0W30 Edge
02 Volvo V70 XC 0W40 Edge
05 MB S600 0W40 M1
16 Tundra 1794 5W30 Pennzoil Ultra
Re: Engine flush 61,000 miles result [Re: PimTac] #5436414 05/23/20 06:07 AM
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js1956 Offline
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Manual for 2012 CTS recommends 5W-30 (in extreme cold 0W-30) every 7,500 miles. Nowhere it's says to perform engine flush on regular basis.
Where did this idea came from? Solvents can do far more damage to your engine than any good they claim. If you want to understand performance of the oil in your CTS whether you can run it further or less why don't you send a sample to Blackstone Labs and go from there.


2015 VW Golf Mk7 2dr HB Man 1.8 TSI S

Re: Engine flush 61,000 miles result [Re: js1956] #5436418 05/23/20 06:14 AM
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adamsoil Offline
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Originally Posted by js1956
Manual for 2012 CTS recommends 5W-30 (in extreme cold 0W-30) every 7,500 miles. Nowhere it's says to perform engine flush on regular basis.
Where did this idea came from? Solvents can do far more damage to your engine than any good they claim. If you want to understand performance of the oil in your CTS whether you can run it further or less why don't you send a sample to Blackstone Labs and go from there.


The oil manafacturers came up with it. They know what happens to oil in the engine. They have done the most testing, do we not consider thier recommendations...

Re: Engine flush 61,000 miles result [Re: IMSA_Racing_Fan] #5436423 05/23/20 06:25 AM
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mattd Online Content
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Engines don’t require “flushing” when they’re maintained properly. It’s when they are neglected that it may be an option. There are other things I’d use other than that “motor flush”.


2007 Ford F-350 4x4 6.0 PSD

ASE Master, L1, L2
Re: Engine flush 61,000 miles result [Re: IMSA_Racing_Fan] #5436426 05/23/20 06:30 AM
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sloinker Offline
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Just run an oil with some margin of esters in it and that will keep it clean. I imagine most all oils have some detergents in the add pack that do the same thing. I once did a flush with kerosene/transmission fluid and 30 weight non detergent motor oil on an engine that had been sitting so long the oil was like grease. Worked well for what I was trying to achieve.


'16 Tiguan TSI Vaico 5W40
'15 VW Golf TDI Red Line 5W30 Euro
'15 VW Golf Sportwagen TDI M1 ESP 5W30
'14 Dodge Grand Caravan 3.6 Valvoline 5W20 Semi Synthetic
'64 Plymouth Fury440 Pending
Re: Engine flush 61,000 miles result [Re: IMSA_Racing_Fan] #5436431 05/23/20 06:35 AM
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krismoriah72 Offline
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If i had a 1955 Chevy that hadnt been driven in 20 years but still started and ran i would use that engine flush.


If i had a modern car and just wanted to flush to sleep better at night i would use Rislone... it cleans with Esters.

Re: Engine flush 61,000 miles result [Re: adamsoil] #5436434 05/23/20 06:37 AM
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ABN_CBT_ENGR Offline
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Originally Posted by adamsoil
The oil manafacturers came up with it. They know what happens to oil in the engine. They have done the most testing, do we not consider thier recommendations...

Can you please provide reference to these oil manufacturers and their studies/reports?

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