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Of interesting note I achieved better fuel economy on PUP 5W-30 than MC 5W-20 under very similar driving conditions on a known stretch of highway. I was expecting to loose a small amount due to drag losses of 30 weight over 20 weight. Apparently the additive package in PUP 5W-30 reduces friction...

Can you give me a link? I'd love to add that to my massive collection of data and gain even further understanding of how viscosity affects wear rates under load. So your saying thinner oils provide slightly better wear on average, but also have a lower failure threshold correct? We know for a...

They are but according to an article from Lake Speed Jr. of Driven, what happens with the car just behind the lead car is the oil temps spike to 280F~300F because the trailing cars are not getting much air flow. Many of them run the entire race or nearly the entire race at those temperatures...

@ BMacIL, here's the FP FL820 filter spec sheet from Ford Performance. Cheers. Filter media in the FL820 is 283 square inches...FL-500S, while a great filter, is only 150 sq inches. Nearly double. FL-500S is rated at 95% eff. at 30 microns, FL820 is rated for 99% at 20 microns. It also has the...

Agreed, at least on the high load / high temp side of things. There are two areas that generally cause wear 1. Cold start and cold engine driving conditions which is where most passenger cars experience wear, like short trips to work or down the road to the grocery store, aka mundane stuff and...

Are you running the FL-500S or did you ever switch to the FP FL820? And your running 5W-30 correct? I switched to the FL820 because of the 20 micron filtration efficiency rating and nearly 2x the filter media area alone. Wear is directly related to contaminant particle size and concentration...

RedLine has some really good base oil, it's just super expensive like Driven and Amsoil. I think Penzoil's Pure Plus GTL base oil is a far better value for the money. There are formula cars revving out to 12,000 rpm on a twin turbo V6 that use off the shelf PUP 0W-40, literally the same product...

BTW, my 2016 PP GT had the BBQ Tick (mild) since I got it, even on MC 5W-20. After adding TriboTEX I wasn't able to hear the BBQ tick when starting from a stop. But unlike others, mine has never done it when just freely revving the engine in neutral, mine only did it when starting from a stop at...

I found similar information regarding lower viscosity vs. wear, but those tests were all focused on typical passenger car applications as that has been primary driver for lower viscosity oil applications, fuel economy improvements and cold start / cold operation wear. I highly suspect that...

That's some good oil. But holy crap is it pricey.

Also wanted to add one last note, if your loosing kinematic viscosity at 100C due to permanent shear, your loosing HTHS viscosity or protective film strength, permanently. So the oil will be even thinner under high heat conditions than it was when it was new. So if your 50 weight looses 30% of...

BTW Ford - Penske - Shell - Penzoil team won the 2018 Drivers and Manufacturers titles: http://www.espn.com/jayski/cup/2018/story/_/id/25316182/ford-wins-drivers-manufacturers-titles Driver is Joey Logano...

In closing this adventure that started out with a Power Pack 2 and some lowering springs on a 2016 Mustang GT I got after trading in my 2016 Mustang Ecoboost I had prior, I've learned an immense amount about bearing design, cam phasors, lash adjusters, drag losses vs. film strength, spring...

Just for kicks and giggles, a little information from the shop manual on the 2.3L Ecoboost GDI that calls for 5W-30 for street at 5W-50 for track (2018+'s). None of the 2015-2017's, weather GT, Ecoboost or V6 (no discontinued for 2018+) call for alternate oil viscosity for track nor mention...

Also, not sure if I provided this info on this particular thread before, but here it is, since oil viscosity is so hotly debated, a summary of information I have verified to be ACCURATE and true. Gerotor Oil Pumps - used in the Coyote 5.0L and just about every other piston engine. It is a type...

Why not run an air duct under it? Cut out a channel in the hood liner, then use some thin aluminum sheet metal (thick flashing material) and some vhb tape and nestle the air duct in the cutout channel in the hood liner (so it doesn't stick out more. Maybe make the duct about 3/8" tall and the...

For 2018-2019 MY Mustang GT's the owners manual specifically states 5W-30 is also acceptable (lists it as the "trac spec oil viscosity"). So you could run PUP 5W-20 or PUP 5W-30. I would avoid M1 unless you go with their Extended Performance which has a high percentage of PAO base oil. M1 EP is...

Yes, but the thicker you go, the higher the drag losses and the greater the peak pressure loads in the bearing. Higher viscosity oils do generate thicker films even in the same clearance range (reference Substech articles), however the films are not as spread out within the bearing shell itself...

Case in point, Braski's 2015 Performance Pack GT 6spd Manual (aka Project Midnight) ran a best time of 11.85 with only the following modifications: Power Pack 2, Cat Back Exhaust, Full IRS upgrades (for wheel hop), FP Axles (to handle high RPM drag launches) and a set of Big / Littles. The best...

That and I think they were not expecting Chevy to throw in an LT1 in the 6th gen Camaro SS, otherwise I think they might have tried to go DI on the 2nd gen 5.0 instead of waiting for the 3rd generation. The 2010 to 2015 Camaro's, the Mustang's main competitor, used the LS3 that at it's peak made...