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Redline users - GDI Engines #5421392 05/05/20 07:26 AM
Joined: Nov 2002
Posts: 33,285
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buster Offline OP
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Joined: Nov 2002
Posts: 33,285
Just curious who has used Redline in a GDI engine long term and whether you've inspected the valves?

Oil is chemistry and chemistry can be complex. There are different approaches for different engines and needs. Redline's stance on LSPI is that they don't have issues with it with their high performance RL chemistry due to the esters and higher levels of moly which help fight LSPI. Oils like Driven formulated a DI line which is mPAO/III/POE and has a lot of moly, but they dropped the high levels of Ca and replaced with Mg. Amsoil is more secretive and is likely using PAO/V (some have suggested 10-15% POE) but is also using a modern Mg/Ca combo.


2020 - Mazda CX-30 - Mobil 1 EP 0w20
2019 - Subaru Impreza - Dealer Oil
Re: Redline users - GDI Engines [Re: buster] #5421579 05/05/20 11:45 AM
Joined: Nov 2004
Posts: 408
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Strjock81 Offline
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Joined: Nov 2004
Posts: 408
HPL is kind of in the same boat philosophically speaking and has tens of thousands of GDI fleet vehicles running their HDEO for extreme intervals without any problems with LSPI or valves coking or exhaust after treatment issues.

I am taking the Pepsi challenge in my GDI 6.2 Yukon not only with a non dexos 1g2 0w-20 but with a 5W-30 HDEO from HPL at their suggestion. It’s out of warranty so no worries there.

Last edited by Strjock81; 05/05/20 11:46 AM.

2016 White Town and Country Touring
2015 White Yukon XL Denali
2014 White Ram 2500 CCSB 4x4 Cummins Bighorn
Re: Redline users - GDI Engines [Re: buster] #5421602 05/05/20 12:04 PM
Joined: Nov 2002
Posts: 33,285
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buster Offline OP
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Joined: Nov 2002
Posts: 33,285
I'm going with HPL 0w20 as well. Great company and oil. thumbsup


2020 - Mazda CX-30 - Mobil 1 EP 0w20
2019 - Subaru Impreza - Dealer Oil
Re: Redline users - GDI Engines [Re: buster] #5421619 05/05/20 12:20 PM
Joined: Aug 2010
Posts: 2,300
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benjy Offline
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Joined: Aug 2010
Posts: 2,300
since Scams oil went tight lipped i quit using it. no DI vehicles for me but my 300 hp 2001 TT with a 4.25 sump gets redlines 15-50! as it uses some but less than others

Re: Redline users - GDI Engines [Re: buster] #5421821 05/05/20 04:30 PM
Joined: Sep 2018
Posts: 394
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Direct_Rejection Offline
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Joined: Sep 2018
Posts: 394
Going HPL likewise.
Try to change my mind.
Just need to marinate on the SP changeover for a few days.
It sounds like these guys are dialed in.
Have mercy.
Look at that TBN.


2019 Lexus UX 250h F-Sport
HPL HD 0W16 SL
@ 52k miles




Re: Redline users - GDI Engines [Re: Direct_Rejection] #5421833 05/05/20 04:41 PM
Joined: Nov 2002
Posts: 33,285
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buster Offline OP
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Joined: Nov 2002
Posts: 33,285
Originally Posted by Direct_Rejection
Going HPL likewise.
Try to change my mind.
Just need to marinate on the SP changeover for a few days.
It sounds like these guys are dialed in.
Have mercy.
Look at that TBN.


Go with HPL. cheers


2020 - Mazda CX-30 - Mobil 1 EP 0w20
2019 - Subaru Impreza - Dealer Oil
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