Engine Oil

[dsmreck]

i really like brad penn oil. at the cost of 5 a quart its vety affordable

[Kracka]

10W is fine for winter. 5W always seemed too thin for the 4G63 engines, especially once built with looser tolerances than factory.

[wmrcs]

I run VR1 Full Synthetic 20w-50 in the summer, and I put Amsoil in the tranny.

[dogwhistle]

Driven Racing Oil by Joe Gibbs Racing. BR5 for break-in, HR4 for Summer, and FR20 for Winter. Non-detergent and high zinc/phosphorus. Forced Performance's article on oil is a good read.

http://store.forcedperformance.net/merchant2/graphics/subaru_oil/Forced%20Performance%20Recommendations%20for%20Mot or%20Oil.pdf

[Kracka]

Just like in gasoline, detergent is a good thing for the vast majority of cars & setups.

[dogwhistle]

Just like in gasoline, detergent is a good thing for the vast majority of cars & setups.

Yea true. If I weren't so crazy about how often I change the oil and filter, I probably would run something different.

[Kracka]

GREAT article on engine oil, and break-in oils, if you have the time to read it all!

https://540ratblog.wordpress.com/

[Halon]

Information overload, but good article. Glad to see the very affordable QSUD score high, had plenty of people give me the wtf reaction when I recommend it as an excellent bang for the buck oil. According to this specific test it's actually a substantial bang for the buck. It's become my go-to oil if nothing else is on really good sale. However I wish I would have seen them test the 0w-20/30 version as that's what I typically choose.

Also I may have missed it but would have liked to seen the Motorcraft 5w-20 that is OEM fill for pretty much all fords now.

[asshanson]

Interesting. M1 has a pretty low breakdown temp @ 265. I'm using the Amsoil Dominator which has lower pressure ranking (#38), but good up to 300 degrees. I guess that really only matters if you're doing 20+ minutes at a time on the road course in summer without a good oil cooler. Most cars will never see 265+ oil temps, I think on the vette I saw 270 at the end of my second or third HPDE session on a summer day, pushing the car pretty hard.

I'm thinking the 2.5x price factor for the Amsoil isn't worth it.

[Halon]

https://shop.precisionturbo.net/index.php/oil/motor-oil/hpl-motor-oil-quart.html

In case you need a blown engine to go with your blown turbo :P