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2004 Subaru STI Track Car; Liqui Moly 5w-40 #5155997 07/09/19 07:28 PM
Joined: Jul 2019
Posts: 1
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stlwrx Offline OP
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Joined: Jul 2019
Posts: 1
Hello

What do you all make of this oil analysis and the lead content? This is a dedicated track car running e85. This car is ran, very, very hard most times. It's a closed deck ej205 2.14L stroker build. All forged internals (rods, pistons, bearings, crank etc,) It had a hard break-in on the dyno as it is raced every few weekends. This particular sample was from a 500-mile oil change - as in 500 miles from when the new forged motor was installed. It has about 12, 1-minute HPDE laps on it as well as some dyno pulls and spirited driving. I'm running Liquid Molly 5w-40 (6 qts - larger capacity due to the oil cooler). Blackstone seems to think it could be lead from normal break-in and such.


Capture.PNG
Last edited by dnewton3; 07/10/19 05:14 AM. Reason: updated title
Re: 2004 Subaru STI Track Car [Re: stlwrx] #5156014 07/09/19 07:43 PM
Joined: Jul 2010
Posts: 1,272
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3311 Offline
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I think you have a winner with the 0w-40! I would continue to use it. You have evidence to back up its performance.

Dont worry about the other thread noise. Just an eco warrior thinner is better remnant.


04 2500hd 6.0 278k/1k Pen HM 5w30 10w40 mix XG3675 VML ATF Dex
03 C7500 Dmax7.8l 134k ST 15w40,M1ATF Dex
06 2500hd 6.0 220k ? 5w30 ST DexVI PGL
Re: 2004 Subaru STI Track Car [Re: 3311] #5156035 07/09/19 08:05 PM
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gathermewool Offline
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One data point means nothing. The oil looks fine and the wear metals don't tell much of a story.

Originally Posted by 3311
I think you have a winner with the 0w-40! I would continue to use it. You have evidence to back up its performance.

Dont worry about the other thread noise. Just an eco warrior thinner is better remnant.



What in the heck are you talking about? He's not running 0W-40; thread noise - you're the first post! Not a SINGLE person will tell this dude to run a thinner oil in a stroked EJ20!


14 Forester XT Touring FA20DIT (Cobb Stage 1)
Castrol Magnatec 5W-30 D1G2 + FU filter (72,320mi, 8/24/19)
15 Legacy Premium FB25
Magnatec 5W-20 + FU filter (47,300mi, 5/11/19)
Re: 2004 Subaru STI Track Car [Re: gathermewool] #5156051 07/09/19 08:21 PM
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3311 Offline
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Ur right, I dont know what happend?

Was in the Toyota 0w40 thread and my post showed up in this thread which I never viewed.
What the heck BITOG.
Carry on!

Last edited by 3311; 07/09/19 08:23 PM.

04 2500hd 6.0 278k/1k Pen HM 5w30 10w40 mix XG3675 VML ATF Dex
03 C7500 Dmax7.8l 134k ST 15w40,M1ATF Dex
06 2500hd 6.0 220k ? 5w30 ST DexVI PGL
Re: 2004 Subaru STI Track Car [Re: stlwrx] #5156164 07/09/19 10:09 PM
Joined: Aug 2010
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benjy Offline
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you need to know your oil pressure + temperatures to be sure your using a correct oil while tracking. check out savagegeese,com vid oil the fine print, lots of good vids from pros.

Re: 2004 Subaru STI Track Car [Re: stlwrx] #5156360 07/10/19 05:00 AM
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Linctex Offline
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Originally Posted by stlwrx
This particular sample was from a 500-mile oil change - as in 500 miles from when the new forged motor was installed.


I'd say that is DARN GOOD wear numbers from a "fresh" rebuild!


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: 2004 Subaru STI Track Car [Re: stlwrx] #5159337 07/13/19 08:32 AM
Joined: Aug 2003
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bluesubie Offline
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Yeah, very good uoa on a new build but it’s hard to read too much into it. As long as your oil pressure is fine this oil is probably a good choice.

A few guys over on IWSTI.com are using Dyson Analysis for uoa’s and I would consider using Dyson in your case as well. Quite pricey but you get what you pay for. He has many years of experience looking at Subaru uoa’s and is able to make recommendations when things don’t look right. Wow, that sounds like an ad and I’ve never even used Dyson myself. Just have a look over on IWSTI and there are some older threads here as well.


'20 Subaru Outback Onyx Edition XT | FF Idemitsu 0W-20
'04 Subaru Forester 2.5XT | Edge 0W-40
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