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Oil Rec for Street Driven & Track Usage #5166758 07/20/19 09:46 PM
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randomhero439 Offline OP
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Hey all. I drive my AP1 Honda S2000 about 2-3k miles per year on the street. I am competitive in autocross (~10 events) and run a 3-4 track days a year in the car. On track days I typuically see the oil temperatures around 260F, sometimes above 280F. Currently I am running 4qt Mobil 1 0w-40 and 1 qt Mobil 1 15w-50. My oil pressure is just a few PSI below the service manual values at idle and 3,000 RPM at 176F oil temp. I am 33 PSI at idle, specification is 36 PSI. I am 83 PSI at 3,000 RPM, specification is 85 PSI. I obviously have an oil pressure and temperature gauge. The engine has 137k miles on it and many many sessions of track days and autocross. Despite all this, the engine burns very little oil, which is surpising for a F20C that gets a frequent workout and is higher mileage. I race with some of the HART guys (Honda of America Racing Team), and the engineering team recommends Redline oils and run them in all of their cars. I want to hear what BITOG thinks!

What oil and filter do you recommend for this type of application & vehicle?


'08 BMW E92 335xi 6MT, Castrol 0w-40, daily
'10 Mercedes GLK: M1 0w-40, wife's car
'00 S2000: M1 0w-40, summer daily & track car
'08 Corvette Z06: M1EP 5w-30, summer daily & track toy

Re: Oil Rec for Street Driven & Track Usage [Re: randomhero439] #5166767 07/20/19 09:56 PM
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d00df00d Offline
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If I were tracking my car and had access to factory-affiliated people who tracked the same car, I'd follow their recommendations to the letter.


2008 BMW M3 Sedan 6MT
Re: Oil Rec for Street Driven & Track Usage [Re: randomhero439] #5166788 07/20/19 10:22 PM
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CT8 Offline
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Why the 0W-40? Is that for below freezing starts?

Re: Oil Rec for Street Driven & Track Usage [Re: randomhero439] #5166825 07/20/19 11:08 PM
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Marco620 Offline
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I follow Hart and Realtime Honda and they use Redline oil. I use only redline oil


15' Civic 1.8 i-vtec 262,000 mi Redline 5w20, BP Cvt fluid, Archoil9100
Tornado Chaser/Doberman Whisperer
Son of a Navy Corpsman.


Re: Oil Rec for Street Driven & Track Usage [Re: randomhero439] #5166828 07/20/19 11:13 PM
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robertcope Offline
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I use Red Line in my S2000 and NSX (and SC400) for daily+track usage. I would also use Mobil 1 0W-40 comfortably. I've posted a UOA or from my NSX somewhere in here, but the short version is the oil looked fine (not that a UOA is conclusive or perhaps even useful).

Last edited by robertcope; 07/20/19 11:14 PM.
Re: Oil Rec for Street Driven & Track Usage [Re: randomhero439] #5166835 07/20/19 11:21 PM
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GumbyJarvis Offline
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Have a gander at Eneos Racing Street 0w50

Looks like a stout oil when looking over the PDS.

Or, if you can still find it, the Sustina label.


2018 RAM 1500 SLT 5.7L HEMI 19K
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Re: Oil Rec for Street Driven & Track Usage [Re: randomhero439] #5167126 07/21/19 10:40 AM
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A_Harman Offline
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Redline 5w30 has an HTHS of 3.7, and M1 0w40 has HTHS of 3.6. And you are spiking the 0w40 with M1 15w50, which has HTHS of 4.4. As a rough estimate, the HTHS of the blend you are running would be 0.8x3.6 + 0.2x4.4 = 3.76. Honda's viscosity recommendation for the S2000 was 10w30, and it's rare for them to exceed 3.5 HTHS. I think the oil you are running is fine for HTHS, but would be more shear-prone than Redline 5w30.

I think your' on-track oil temperatures of 260-280F are fine, especially since you're running good quality synthetic. I have seen 315F in my Corvette running Redline 5w30, and it's fine.

Last edited by A_Harman; 07/21/19 10:44 AM.

1985 Z51 Corvette track car
2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel
1972 GMC 1500 shortbed project truck
Re: Oil Rec for Street Driven & Track Usage [Re: randomhero439] #5167395 07/21/19 03:37 PM
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MCompact Offline
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I’d be inclined to perform a UOA after 2k miles and see what’s going on.


Mine:
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2009 Cooper Clubman
1999 Wrangler Sahara
1995 318ti Club Sport

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Buy what makes you smile...
Re: Oil Rec for Street Driven & Track Usage [Re: randomhero439] #5167478 07/21/19 05:29 PM
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randomhero439 Offline OP
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Well ironically the HART team had an engine failure in their S2000 today at an event... they were running Redline 30wt race oil. Thrust bearing on the crankshaft is suspected to have grenades.

I got a full track weekend coming up where I’m going to be pushing the car hard. I picked up a 5qt jug of Mobil 1 15w-50 from Walmart. 4.4 HT/HS with bumped up ZDDP. I’ll toss it in and see how it runs. Not changing the oil filter in there is only 1200 miles on it.


'08 BMW E92 335xi 6MT, Castrol 0w-40, daily
'10 Mercedes GLK: M1 0w-40, wife's car
'00 S2000: M1 0w-40, summer daily & track car
'08 Corvette Z06: M1EP 5w-30, summer daily & track toy

Re: Oil Rec for Street Driven & Track Usage [Re: randomhero439] #5167507 07/21/19 06:11 PM
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4WD Online Confused
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Boss runs that in a 5.8L Trinity based Super Snake …

Re: Oil Rec for Street Driven & Track Usage [Re: randomhero439] #5167612 07/21/19 08:31 PM
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DV0993 Offline
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Wow! Following, also an s2000 owner.

Maybe you should try a good quality 10w40? I think 15w50 is too thick.

Look at redline 10w40, motul chrono 300v, penrite racing.

Re: Oil Rec for Street Driven & Track Usage [Re: DV0993] #5168131 07/22/19 02:12 PM
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burla Offline
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Originally Posted by DV0993

Look at redline 10w40, motul chrono 300v, penrite racing.


Yup, this but dont be afraid of 5w30 redline either, and we also found out that 5w40 redline would be a great way to go as opposed to 0w40 or 10w40. cSt on 5w40 is actually better (higher) then 10w40 but you give up zero in noack and hths. The working theory developed by some guys running the 6.4 hemi's is that redline uses a different base oil for the 5 winter rated oils, same holds true for their 30 weights, even better hths when compared their 5w30 to their 10w30. So the entire use a 10 or 15 rated oil for better protection, doesn't hold true with this particular brand, and it goes way beyond the stat sheet but into uoa's and peronal experiences of many guys that have no horse in the race. Overwhelmingly they are chosing 5 winter rated redline against any other formula in that brand.

But all 3 of these oils are good choice, don't get much better then those. If you are track racing I'd also be doing uoa's anyhow if you are then driving it on the street.

Re: Oil Rec for Street Driven & Track Usage [Re: burla] #5168169 07/22/19 02:48 PM
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randomhero439 Offline OP
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Originally Posted by burla
Originally Posted by DV0993

Look at redline 10w40, motul chrono 300v, penrite racing.


Yup, this but dont be afraid of 5w30 redline either, and we also found out that 5w40 redline would be a great way to go as opposed to 0w40 or 10w40. cSt on 5w40 is actually better (higher) then 10w40 but you give up zero in noack and hths. The working theory developed by some guys running the 6.4 hemi's is that redline uses a different base oil for the 5 winter rated oils, same holds true for their 30 weights, even better hths when compared their 5w30 to their 10w30. So the entire use a 10 or 15 rated oil for better protection, doesn't hold true with this particular brand, and it goes way beyond the stat sheet but into uoa's and peronal experiences of many guys that have no horse in the race. Overwhelmingly they are chosing 5 winter rated redline against any other formula in that brand.

But all 3 of these oils are good choice, don't get much better then those. If you are track racing I'd also be doing uoa's anyhow if you are then driving it on the street.


Redline 5w-40 was my first choice actually, the cost scared me away though, at least this oil change. I tried 5w-30 and the pressure was just slightly lower than what I have now. Makes sense since the HTHS values are close. I’ll have the pressure values of the 15w-5 tonight. Then probably try the Redline 5w-40 at the end of the season before winter storage.


'08 BMW E92 335xi 6MT, Castrol 0w-40, daily
'10 Mercedes GLK: M1 0w-40, wife's car
'00 S2000: M1 0w-40, summer daily & track car
'08 Corvette Z06: M1EP 5w-30, summer daily & track toy

Re: Oil Rec for Street Driven & Track Usage [Re: randomhero439] #5168220 07/22/19 03:44 PM
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burla Offline
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I'd look into Nick @ gotexhaust for pricing, it's like drop ship and he sells it so cheap I can't say. He doesn't post prices they are so low, so PM him and inquire if you wish. Usually free ship with 1/2 decent order, I dunno make it a huned or so. There is nobody that everyday price is cheaper, much lower then posted on redline's site. Everyone on the hemi forum uses this guy and posts their satisfaction. Just clarify that you want and only will order the high performance, the only times there have been issues were when people assumed redline only has one lineup, they have 3 plus in many lineups. He still made those right, but just to clarify high performance blue label not the new junk.

Last edited by burla; 07/22/19 03:48 PM.
Re: Oil Rec for Street Driven & Track Usage [Re: randomhero439] #5168401 07/22/19 07:48 PM
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vinu_neuro Offline
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Hi, nice to see your post. I bought your Accord in 2014. It went to southern illinois last year.

It's pretty rare for an F20c to not burn substantial amount of oil so you've already found a winner. Considering M1 0W-40 is one of the most developed oils in the world and has endurance racing pedigree, I'd continue using it with the 15W-50 without giving it another thought.


2008 Acura TL
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