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Castrol 5W50 #5195075 08/23/19 11:29 PM
Joined: Dec 2017
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Snagglefoot Offline OP
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Saw this at Canadian Tire today. Has anyone seen a UOA on it? With a 45 “point spread”, you would think some folks might think it would be prone to shearing down. But does it. For the Bitog Thickies. Enjoy.

379750CF-E6B9-4A85-A274-B37790990A79.jpeg

If you want the job done right......do it yourself.
Re: Castrol 5W50 [Re: Snagglefoot] #5195100 08/24/19 12:09 AM
Joined: Jul 2005
Posts: 12,275
dave1251 Offline
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Posts: 12,275
It shears not a surprise.


make the inside of your engine oil cap white.
don't use.
Re: Castrol 5W50 [Re: Snagglefoot] #5195108 08/24/19 12:46 AM
Joined: Dec 2006
Posts: 20,313
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aquariuscsm Online Content
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I used the old Syntec version 5W50 in my 300ZX. It was always rare as hen's teeth here. I'v never seen it in the jugs before,only quarts.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 5W20

Re: Castrol 5W50 [Re: Snagglefoot] #5195113 08/24/19 01:04 AM
Joined: Jul 2017
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OilUzer Offline
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Thickies informed me that they like the 50, however they are concerned about high amount of vm!

Re: Castrol 5W50 [Re: Snagglefoot] #5195115 08/24/19 01:08 AM
Joined: Jan 2017
Posts: 428
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newbe46 Offline
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I'm running this on my M3 at moment, only 6000 KM into this OCI. I know this is out of the 10W-60 that BWM calls for and I took that risk. Maybe it is okay maybe not.

In the interest of science, I will do a Blackstone at the end of this OCI. Stay tune.

Re: Castrol 5W50 [Re: newbe46] #5195117 08/24/19 01:24 AM
Joined: Jul 2015
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SR5 Offline
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Originally Posted by newbe46
I'm running this on my M3 at moment, only 6000 KM into this OCI. I know this is out of the 10W-60 that BWM calls for and I took that risk. Maybe it is okay maybe not.

In the interest of science, I will do a Blackstone at the end of this OCI. Stay tune.


I would be very interested to see that UOA especially if you had another UOA of Edge 10W60 from the same car to compare it to.

Back in the day I was a big Castrol Edge 10W60 user, it was called Castrol R back then. I graduated from mineral 20W50 to synthetic 10W60 and I thought it was the ducks nuts (good). Now days I would go for a narrower viscosity spread like M1 15W50.


---------------------------------------------------------------------------------
Castrol Edge 10W30 A5/B5 + Wesfil-Cooper Z154
Re: Castrol 5W50 [Re: Snagglefoot] #5195118 08/24/19 01:37 AM
Joined: Jun 2005
Posts: 13,231
bdcardinal Offline
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The real gem is trying to find the 5W50 Supercar for the Ford GT. I put my Motorcraft bulk oil vendor who also is a Castrol vendor to try and get some for my Mustang. Ford won't send it to me because my work isn't a Ford GT servicing dealer.


2014 Ford Mustang GT Track Pack
1995 Ford Mustang GT

Ford/Mazda Parts Counter
NRA Benefactor Member
Opinions expressed are my own.
Re: Castrol 5W50 [Re: Snagglefoot] #5195169 08/24/19 06:56 AM
Joined: Oct 2015
Posts: 3,138
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FordCapriDriver Offline
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We have Mobil 1 5W-50 in Europe, meets Porsche A40 among many other specs.
I have a friend who uses it in his Escort RS Turbo which is tuned to around 230Hp, the Turbo glows red hot after a good thrashing, it seems to hold up quite well.


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Shell Rimula R4X 15W-40 HDEO

Re: Castrol 5W50 [Re: FordCapriDriver] #5195184 08/24/19 07:26 AM
Joined: Dec 2011
Posts: 6,584
rooflessVW Offline
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Originally Posted by FordCapriDriver
We have Mobil 1 5W-50 in Europe, meets Porsche A40 among many other specs.
I have a friend who uses it in his Escort RS Turbo which is tuned to around 230Hp, the Turbo glows red hot after a good thrashing, it seems to hold up quite well.

Mobil 1 FS X2 5W-50 is available in the US as well and looks to be a very stout oil.


"Zed's dead baby, Zed's dead."
Re: Castrol 5W50 [Re: bdcardinal] #5195189 08/24/19 07:46 AM
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Audios Offline
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Originally Posted by bdcardinal
The real gem is trying to find the 5W50 Supercar for the Ford GT. I put my Motorcraft bulk oil vendor who also is a Castrol vendor to try and get some for my Mustang. Ford won't send it to me because my work isn't a Ford GT servicing dealer.


WorldPac stocks it and a ton of Motorcraft stuff. 110 for 12 pack, lists for 144.


2002 VW Golf TDI-T5 10/30
2007 Mercedes GL320 CDI- M1 0/30 ESP
2005 BMW M3 BMW Twin Power 10/60
2003 BMW M5-Fuchs 5/40
1998 BMW M3/4/5 Fuchs 5/40
Re: Castrol 5W50 [Re: rooflessVW] #5195359 08/24/19 12:12 PM
Joined: Jul 2013
Posts: 1,313
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splinter Offline
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Originally Posted by rooflessVW
Originally Posted by FordCapriDriver
We have Mobil 1 5W-50 in Europe, meets Porsche A40 among many other specs.
I have a friend who uses it in his Escort RS Turbo which is tuned to around 230Hp, the Turbo glows red hot after a good thrashing, it seems to hold up quite well.

Mobil 1 FS X2 5W-50 is available in the US as well and looks to be a very stout oil.
Curiously its only current marque approvals are A40 and MB's older 229.3 for Yanks.
Good enough for the sumps of mine, though.

https://mobiloil.com/~/media/amer/us/pvl/files/pdfs/mobil-1-oil-product-specs-guide.pdf


Snagglefoot kindly forgive the threadjack!


PUP 0W-40
Total Quartz 5W-40
M1 5W-50


Re: Castrol 5W50 [Re: Snagglefoot] #5195662 08/24/19 06:41 PM
Joined: Dec 2013
Posts: 2,713
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Red91 Offline
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In stock at my local Napa in qt bottles. I have no idea if it shears significantly or not.


05 Chevy Impala
3.4 V6
Pit crew QS 10/30
Re: Castrol 5W50 [Re: bdcardinal] #5195670 08/24/19 07:01 PM
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kstanf150 Offline
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Originally Posted by bdcardinal
The real gem is trying to find the 5W50 Supercar for the Ford GT. I put my Motorcraft bulk oil vendor who also is a Castrol vendor to try and get some for my Mustang. Ford won't send it to me because my work isn't a Ford GT servicing dealer.


Amazon has it by the case for $120

Re: Castrol 5W50 [Re: kstanf150] #5195828 08/24/19 11:07 PM
Joined: Jun 2005
Posts: 13,231
bdcardinal Offline
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Originally Posted by kstanf150
Originally Posted by bdcardinal
The real gem is trying to find the 5W50 Supercar for the Ford GT. I put my Motorcraft bulk oil vendor who also is a Castrol vendor to try and get some for my Mustang. Ford won't send it to me because my work isn't a Ford GT servicing dealer.


Amazon has it by the case for $120


They show 10W60 but not 5W50.


2014 Ford Mustang GT Track Pack
1995 Ford Mustang GT

Ford/Mazda Parts Counter
NRA Benefactor Member
Opinions expressed are my own.
Re: Castrol 5W50 [Re: Snagglefoot] #5195889 08/25/19 02:39 AM
Joined: Feb 2003
Posts: 6,525
BlueOvalFitter Offline
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I wonder how my Essex 4.2 V6 (2007 F-150) would like it? shrug


"One Filter, One OCI!"
2007 F150, 4.2 V6
Havoline HM 5W20, MC FL-400S
"One Box, One OCI!"
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