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Oil for Direct Injection Intake Valve Deposits #1404965 03/16/09 01:40 PM
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RI_RS4 Offline OP
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First time I've seen an oil specifically marketed for Direct Injection Intake Valve Deposits.

"This next-generation engineering also offers excellent thermal stability, maximising keep clean engine performance and oxidation resistance under the most severe high temperature dirving conditions and minimises harmful intake valve deposits in direct injection systems (FSI) on VW and Audi gasoline power units."

Havoline Ultra V 5W30

Re: Oil for Direct Injection Intake Valve Deposits [Re: RI_RS4] #1404971 03/16/09 01:44 PM
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rg200amp Offline
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*Looks* like a good oil to try on a rotary.


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Re: Oil for Direct Injection Intake Valve Deposits [Re: RI_RS4] #1404972 03/16/09 01:44 PM
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bepperb Offline
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It's a common problem, and I've seen pictures down the intake runner of engines with relatively low miles and lots of deposits. But yeah, interesting that they'd market this as a solution.

Maybe Halvoline is making a comeback?


2004 Highlander 2.4
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Re: Oil for Direct Injection Intake Valve Deposits [Re: bepperb] #1404977 03/16/09 01:53 PM
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mechtech2 Offline
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I wonder how it would do anything at that location.

Re: Oil for Direct Injection Intake Valve Deposits [Re: mechtech2] #1404982 03/16/09 01:57 PM
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Quest Offline
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I suspect that this oil is more suited for reciprocating engines than rotary(wankel) engines due to the "thermal stability" part (suspect that it may not burn clean).

Q.


"Internet discussion boards act as echo chambers for conspiracy dittoheads" A.Allen
Re: Oil for Direct Injection Intake Valve Deposits [Re: Quest] #1404995 03/16/09 02:05 PM
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buster Offline
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Interesting, thanks.


2019 Frontier Pro 4X - RGT 5w30
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Re: Oil for Direct Injection Intake Valve Deposits [Re: RI_RS4] #1405014 03/16/09 02:20 PM
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saaber1 Offline
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 Originally Posted By: RI_RS4
First time I've seen an oil specifically marketed for Direct Injection Intake Valve Deposits.

"This next-generation engineering also offers excellent thermal stability, maximising keep clean engine performance and oxidation resistance under the most severe high temperature dirving conditions and minimises harmful intake valve deposits in direct injection systems (FSI) on VW and Audi gasoline power units."

Havoline Ultra V 5W30

To be honest, this looks like "just marketing". They are claiming it does everything under the sun. The fact that it is low P and low viscosity scares me away from using it in an FSI engine. Definitely designed for VW specs (low SAPS, HTHS is only 3.54, only 0.04 above minimum vw spec.).

It is great that an oil manufacturer is recognizing the intake deposit issue, but are they recognizing the fuel dilution issue?

Why is TBN only 5.8? Are they using different units than we commonly use? If not, that is a [censored] starting TBN. compare to tbns found on UOAs:


Last edited by saaber1; 03/16/09 02:31 PM.

"when 5W30 is cold, ...the oil is 35 weight (5+30),...20 w 50 starts at 70 and warms up to 50"
- Kyle, auto mechanic & VP Speedline Motorsports, INTL
Re: Oil for Direct Injection Intake Valve Deposits [Re: buster] #1405019 03/16/09 02:23 PM
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ourfamo4 Offline
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So what makes this any different (better) that the other 504/507 oils out there ?






Re: Oil for Direct Injection Intake Valve Deposits [Re: bepperb] #1405021 03/16/09 02:26 PM
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astraelraen Offline
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 Originally Posted By: bepperb
It's a common problem, and I've seen pictures down the intake runner of engines with relatively low miles and lots of deposits. But yeah, interesting that they'd market this as a solution.


Sorta on-topic, but the Mazda MZR turbo DI engine is starting to show this at low miles in some cases.

Its kinda frightening some of the pictures I've seen of cars with 15-30k miles on them and their intake manifolds look like [censored].

Did manufacturers not really do any tests on these engines, I don't really see how they could have not "missed" it in normal testing. Or maybe they just assumed such a small portion of their customers would actually notice.

Re: Oil for Direct Injection Intake Valve Deposits [Re: astraelraen] #1405024 03/16/09 02:30 PM
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bepperb Offline
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Just when seafoam was really no longer necessary in modern engines... along comes DI and intake valve deposits.

Conspiracy?


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Re: Oil for Direct Injection Intake Valve Deposits [Re: saaber1] #1405034 03/16/09 02:43 PM
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saaber1 Offline
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It's more clear this way:


"when 5W30 is cold, ...the oil is 35 weight (5+30),...20 w 50 starts at 70 and warms up to 50"
- Kyle, auto mechanic & VP Speedline Motorsports, INTL
Re: Oil for Direct Injection Intake Valve Deposits [Re: saaber1] #1405050 03/16/09 02:57 PM
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[RT] ProjUltraZ Offline
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so they are marketing low NOACK as minimizing intake valve deposits?

Re: Oil for Direct Injection Intake Valve Deposits [Re: saaber1] #1405054 03/16/09 03:04 PM
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RI_RS4 Offline OP
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Saaber

I agree with you. I'm sure it's just marketing, and will be that this oil performs no better than Castrol Edge or other new 504 oils. What I find interesting is to see the problem acknowledged by an oil company, rather than Audi or VW.

Re: Oil for Direct Injection Intake Valve Deposits [Re: bepperb] #1405057 03/16/09 03:06 PM
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RI_RS4 Offline OP
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 Originally Posted By: bepperb
It's a common problem, and I've seen pictures down the intake runner of engines with relatively low miles and lots of deposits. But yeah, interesting that they'd market this as a solution.

Maybe Halvoline is making a comeback?


Interesting. Some on this forum would say that it's not a problem since it has yet to be acknowledged by any manufacturer of DI engines.

Re: Oil for Direct Injection Intake Valve Deposits [Re: [RT] ProjUltraZ] #1405061 03/16/09 03:14 PM
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Doug Hillary Offline
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Hi,
slightly OT (not DI) excessive valve deposits is by no means a new issue

This is why Techron was developed in the early 1970s (emission controls related). Deposits were around long before that and for many reasons of course. The cures were many!

As an example:

Porsche's TSB No 9207 dated April 17 1992 states:

Concern: Cars operated in certain parts of the US are more prone to carbon formation on the intake valves than in others

General Information: The following engine oils have been tested and found to contribute less to this carbon build-up. Use of one of these oils may prove helpful in cars operated in these areas of the country

Twenty lubricants are listed: Castrol (3), Mobil 1 (2), Pennzoil (1), Quaker State (12), Shell (1), Valvoline (1). Only two lubricants were synthetics!


Regards
Doug
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