Castrol Edge Sport 10W60
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Changed the oil this week. I've been running in all my older cars with this stuff and been very satisfied. Decided to try it in my '91 GT and is great, it runs smoother and the oil pressure never falls under 3bar mark (hot engine, fan running). Anyone tried it? In States it's called Castrol TWS 10W60 I think...as I remember it was recommended for BMW M5 with the V8 5liter engine.
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I bought the Mobil 1 5W-40 turbo diesel at O' Reilly Autoparts. It was a good deal more expensive than the Mobil 1 15W 50 I was gettng at Wallyworld previously.
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I dumped in Castrol Syntec 20w-50 in mine. It's claimed to be specifically formulated for older engines...
“Today's engines face different demands than those of yesteryear. Now classic car owners who are particular about what they put in their vintage vehicles can receive modern wear protection from a high–zinc formula specially engineered for classic engines.”
“Today's engines face different demands than those of yesteryear. Now classic car owners who are particular about what they put in their vintage vehicles can receive modern wear protection from a high–zinc formula specially engineered for classic engines.”
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Walmart has low, low prices because they sit heavily on their suppliers. And the suppliers can, will, and do in some cases supply Walmart with a lower-cost product. You just have to figure out why it is lower cost.
Though, I'm personally not worried about buying Mobil 1 oil from Wallyworld.
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Anyone sent WallyWhirled Mobil 1 out for oil testing? ![ducking](https://rennlist.com/forums/graemlins/icon107.gif)
Last time I went there I got 2 big jugs of M1 10W-40 high mileage (least offensive oil weight they had) and 2 small plastic crates (milk crates). Hoping those are of decent quality.
Just shook me head as I walked by the shelves of Mobil 1 0W-20 and 5W-30.
Think they strapped weights to the bottles so they didn't float off the shelves.
Surprised they hadn't made 0W-15 yet to help certain domestic manufacturer and their 100,000 mile fill cars get bedder mileage.
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Last time I went there I got 2 big jugs of M1 10W-40 high mileage (least offensive oil weight they had) and 2 small plastic crates (milk crates). Hoping those are of decent quality.
Just shook me head as I walked by the shelves of Mobil 1 0W-20 and 5W-30.
Think they strapped weights to the bottles so they didn't float off the shelves.
Surprised they hadn't made 0W-15 yet to help certain domestic manufacturer and their 100,000 mile fill cars get bedder mileage.
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I commute daily with my heavily modified Scirocco G60 (1.9liter 8valve SC/250HP). Two years ago I melted two rod bearings using the much apraised M1 5W50 tri-synth. The usual hot oil temps were 115-120 degC. After switching to Castrol 10W60 some things became obvious: the car made definitely more HP (dyno), it ran aprox. 10degC cooler (oil temp), the mileage got better, the oil consumption was less and... I beat the pants off any pre '2005 Carrera any time. Of course I wouldn't use this oil in a 2009 Toyota Prius for instance...
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Just reading the SAE weight on the tin is not the whole story. For a more informed decision you need to find out the actual viscosities of the oil at certain temps. with a Multigrade oil it is possible for it to meet the specs of say 10W40 and also 10W50.
I use Penrite 10W70 in the 88SE and 90GT - 3 Bar hot idle pressure. Needless to say they could sell it as a 10W50 as it meets the specs for that also. More importantly when I bought my current stock of it (another couple of oil changes) it had in excess of 1300ppm Zinc.
I use Penrite 10W70 in the 88SE and 90GT - 3 Bar hot idle pressure. Needless to say they could sell it as a 10W50 as it meets the specs for that also. More importantly when I bought my current stock of it (another couple of oil changes) it had in excess of 1300ppm Zinc.
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I like the HTHS numbers.
Tho sometimes trying to dig that number out of the spec sheets can be a real trail.
Mobil don't even put the numbers in the same place in their different oil offerings.
Tho sometimes trying to dig that number out of the spec sheets can be a real trail.
Mobil don't even put the numbers in the same place in their different oil offerings.
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Use M1 15-50 from Wally World all the time, it's the red label stuff that has the higher ZDDP levels that is recommended on our cars. (read it on rennlist, it must be true). I did the comparison when our local WM was out of it and none of the parts stores (autozone, o-really, pepboyz) had it.
I did send out an oil sample to Black Stone using a boutique and one with M1 15-50, can't find the numbers anywhere though. Grrr. There wasn't much of a difference with both oils having 8k on them.
I did send out an oil sample to Black Stone using a boutique and one with M1 15-50, can't find the numbers anywhere though. Grrr. There wasn't much of a difference with both oils having 8k on them.