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Re: 2018 VW Golf Sportwagen tuned 1.8 TSI K&N 6K OCI LM 5W40 [Re: TiGeo] #5244600 10/19/19 10:06 PM
Joined: Sep 2019
Posts: 183
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Zolton Offline
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Joined: Sep 2019
Posts: 183
My best friend owns a BOSCH Service Center and does work on customer's cup cars. So, from that and my background at the local VAG dealership, my tendency leans towards OE-type service. It is, as was said, my preference. I do like the way Fram air filters seal with that orange foam gasket.

Just worth noting, the 1995 VR6 doesn't suffer from the DI intake valve deposit issues, which plague later engines.

Anyway, the dyno results are something to look froward to.

Widman has plenty of bad UOAs from people monkeying with the air filter. 100x normal wear rates is alarming....

[Linked Image from i.imgur.com]

https://www.widman.biz/English/Analysis/Oil_bath.html

I think about all of the K&N users who never do a UOA, it seems risky. It's not like I am imagining it. I also DNL guys who change their air OE filter excessively. Few seem to appreciate the downsides.

Re: 2018 VW Golf Sportwagen tuned 1.8 TSI K&N 6K OCI LM 5W40 [Re: Zolton] #5244672 10/20/19 04:08 AM
Joined: Nov 2009
Posts: 345
T
TiGeo Offline OP
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T
Joined: Nov 2009
Posts: 345
Originally Posted by Zolton
My best friend owns a BOSCH Service Center and does work on customer's cup cars. So, from that and my background at the local VAG dealership, my tendency leans towards OE-type service. It is, as was said, my preference. I do like the way Fram air filters seal with that orange foam gasket.

Just worth noting, the 1995 VR6 doesn't suffer from the DI intake valve deposit issues, which plague later engines.

Anyway, the dyno results are something to look froward to.

Widman has plenty of bad UOAs from people monkeying with the air filter. 100x normal wear rates is alarming....

[Linked Image from i.imgur.com]

https://www.widman.biz/English/Analysis/Oil_bath.html

I think about all of the K&N users who never do a UOA, it seems risky. It's not like I am imagining it. I also DNL guys who change their air OE filter excessively. Few seem to appreciate the downsides.
Originally Posted by Zolton
My best friend owns a BOSCH Service Center and does work on customer's cup cars. So, from that and my background at the local VAG dealership, my tendency leans towards OE-type service. It is, as was said, my preference. I do like the way Fram air filters seal with that orange foam gasket.

Just worth noting, the 1995 VR6 doesn't suffer from the DI intake valve deposit issues, which plague later engines.

Anyway, the dyno results are something to look froward to.

Widman has plenty of bad UOAs from people monkeying with the air filter. 100x normal wear rates is alarming....

[Linked Image from i.imgur.com]

https://www.widman.biz/English/Analysis/Oil_bath.html

I think about all of the K&N users who never do a UOA, it seems risky. It's not like I am imagining it. I also DNL guys who change their air OE filter excessively. Few seem to appreciate the downsides.


An "oil bath" filter is not the same as a K&N and should not be used for comparison. The downsides of high-flow filters have been way over-played vs. UOAs like mine that show no issues at all and all the people that run them with no drama over years of service. In my car, a high-flow filter (K&N, AFe dry, etc.) when combined with other intake modifications to the OE setup have proven to replicate the noise/power benefits of aftermarket intakes when running performance software. And for that reason, I run one.


2018 VW Atlas SEL 4Motion 3.6 VR6 - Castrol OE 5W40 VW filter
2018 VW GSW S 4Motion 1.8 TSI Unitronic St2 IS20 - LiquiMoly 5W40 VW filter
2013 Ford Focus SE HB 2.0 Ti-VCT - MC syn-blend 5W20 MC filter
Re: 2018 VW Golf Sportwagen tuned 1.8 TSI K&N 6K OCI LM 5W40 [Re: TiGeo] #5250991 10/27/19 05:32 AM
Joined: Nov 2009
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TiGeo Offline OP
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Joined: Nov 2009
Posts: 345
Ok, can someone versed in the UOAs help me with the viscosity numbers? What are they telling me for the 3 oil changes listed? I am running 5W40 for the last 2 and not sure what VW puts in for factory fill.


2018 VW Atlas SEL 4Motion 3.6 VR6 - Castrol OE 5W40 VW filter
2018 VW GSW S 4Motion 1.8 TSI Unitronic St2 IS20 - LiquiMoly 5W40 VW filter
2013 Ford Focus SE HB 2.0 Ti-VCT - MC syn-blend 5W20 MC filter
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