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#4630258 - 01/10/18 10:22 AM Castrol cocktail - Your thoughts on this mix???
CastroPenzoHavoMobil1 Offline


Registered: 04/05/05
Posts: 17
Loc: Fort Worth
I recently purchased lots of Castrol Edge High Mileage 10w-40 at the recent Autozone clearance. ($2/quart)
I also have in stash some Castrol Magnatec 5w-20 from another store's "rollback".

For my 2007 Volvo V70, the owner's manual calls for 5w-40 when temps exceed 86 degrees F, so the 10w-40 Edge should be good for my Texas Summers.

For my Texas "Winters" I'm going to run 3.5 quarts of the 10w-40 Edge mixed with 2.5 quarts of the 5w-20 Magnatec. In my estimation this should give me about 12cSt at 100 degrees Celsius, or essentially an "8w-30" oil. I'll go with a 7500 mile maximum OCI.

Thoughts or concerns on this Castrol cocktail?
_________________________
07 Volvo V70
06 Honda Odyssey
02 Toyota Camry

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#4630261 - 01/10/18 10:28 AM Re: Castrol cocktail - Your thoughts on this mix??? [Re: CastroPenzoHavoMobil1]
thorromig Offline


Registered: 03/22/12
Posts: 804
Loc: BerksCounty/Pa.
I like it!!! wink
_________________________
00 Dodge Ram 5.2L 4x4 Edge 10W30 FU (91K)
08 Acura TL Type S 3.5L PUPP 5W20 FU (101K)
17 Jetta TSI SE 1.4L Turbo - Edge 0W40 FU (Hers) (4K)

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#4630326 - 01/10/18 11:12 AM Re: Castrol cocktail - Your thoughts on this mix??? [Re: thorromig]
Kira Offline


Registered: 08/19/10
Posts: 5238
Loc: Champlain/Hudson Valley
You have my car! Turbo or non? Mine's a base model.
I use Mobil1 0W-40 all year round but I like the sound of your mix (a completely unknowing therefore irresponsible thing to say)

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#4630328 - 01/10/18 11:14 AM Re: Castrol cocktail - Your thoughts on this mix??? [Re: CastroPenzoHavoMobil1]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 11970
Loc: N.H, U.S.A.
Every time I put MORE than 1/2 qt 20grade into a 30 the oil becomes too thin and engine tries to commit suicide.
I would NOT recommend you do this blend.

But sure try it. Listen for the knock knock knock.

There is no such thing as 8W; its Either 5w or 10w.
W is not a "weight" ( actual term is: GRADE ) its a margined category.
You are either IN or OUT
I find the adition of lighter grade oils to act non linearly. They go thin FAST - -well at least the HTHS does buy the way the mechanical engine knock (ie:RAP) is pronounced so quickly.
_________________________
2014 Nissan Rogue S CVT, OC#9 41392mi-QSUD10W30 + M110A CHAMP Filter; 2017 Subaru Crosstrek CVT OC#2 ?? mi-SOA/Idemitsu 0w20 + SOA Filter

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#4630337 - 01/10/18 11:18 AM Re: Castrol cocktail - Your thoughts on this mix??? [Re: CastroPenzoHavoMobil1]
PimTac Offline


Registered: 03/04/17
Posts: 4285
Loc: Soviet State of Washington
Itís your vehicle. Good luck
_________________________
2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter


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#4630347 - 01/10/18 11:21 AM Re: Castrol cocktail - Your thoughts on this mix??? [Re: CastroPenzoHavoMobil1]
rooflessVW Offline


Registered: 12/24/11
Posts: 4046
Loc: North Carolina
Run the 10W-40 year round in your Volvo.

Find something else to do with the 5W-20.
_________________________
"Zed's dead baby, Zed's dead."

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#4630372 - 01/10/18 11:39 AM Re: Castrol cocktail - Your thoughts on this mix??? [Re: ARCOgraphite]
CastroPenzoHavoMobil1 Offline


Registered: 04/05/05
Posts: 17
Loc: Fort Worth
Originally Posted By: ARCOgraphite
Every time I put MORE than 1/2 qt 20grade into a 30 the oil becomes too thin and engine tries to commit suicide.

There is no such thing as 8W; its Either 5w or 10w.
W is not a "weight" ( actual term is: GRADE ) its a margined category.
You are either IN or OUT
I find the adition of lighter grade oils to act non linearly. They go thin FAST - -well at least the HTHS does buy the way the mechanical engine knock (ie:RAP) is pronounced so quickly.


ARCOgraphite,
I'm not wanting to mix 20w with 30w for this application. I'm considering mixing 20w with 40w to make a 30w.
Yes, I know there is no such a thing as a 8w-30 grade, that's why I put this fictitious grade in quotes. Technically, it would probably be a heavier 5w-30. And, yes, W does not stand for Weight - it stands for Winter.
I'm curious to know what you mean by "lighter grade oils to act non-linearly"?
Thanks very much for your input.
_________________________
07 Volvo V70
06 Honda Odyssey
02 Toyota Camry

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#4630403 - 01/10/18 12:00 PM Re: Castrol cocktail - Your thoughts on this mix??? [Re: Kira]
CastroPenzoHavoMobil1 Offline


Registered: 04/05/05
Posts: 17
Loc: Fort Worth
Originally Posted By: Kira
You have my car! Turbo or non? Mine's a base model.
I use Mobil1 0W-40 all year round but I like the sound of your mix (a completely unknowing therefore irresponsible thing to say)


Hey Kira,

I have the naturally aspirated 2.4L 5 cylinder in my V70. I've only owned the car for 6 months, but I like it so far. =)

Are you in New York? I'm not totally sure where Champlain/Hudson Valley is. If so, do you ever feel like that 0w-40 M1 is too thick at operating temp during your coldest months? I ask because I know the owner's manual calls for 5w-30 if temps are under 86 degrees F.

Thanks!
_________________________
07 Volvo V70
06 Honda Odyssey
02 Toyota Camry

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#4630408 - 01/10/18 12:02 PM Re: Castrol cocktail - Your thoughts on this mix??? [Re: CastroPenzoHavoMobil1]
Artem Offline


Registered: 10/30/10
Posts: 5117
Loc: Florida
Oh come on, you can blend whatever the "F" you want. Make it 8w30, 7w30 or 9w30 if you want. Just because oil manufacturers all agreed to a standard 5w, 10, etc, doesn't mean you can't blend a 2w18 at home if you want. What a stupid thing to say in regards to blending viscosities. duh
_________________________
2014 Mazda 3 Hatch 2.0L & 6spd - Idemitsu 0w20 Synthetic @ $0.75 a quart.

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#4630414 - 01/10/18 12:07 PM Re: Castrol cocktail - Your thoughts on this mix??? [Re: CastroPenzoHavoMobil1]
Artem Offline


Registered: 10/30/10
Posts: 5117
Loc: Florida
To answer your original question... I'm not sure how those "magnetic" oil properties in the Magnatec Castrol will blend with the plain ol' Castrol high mileage synth to work together. "Technically" if both SN, they should work fine, like the label on both bottles suggest (you can mix safely) but who really knows???

If it's an old Beater Volvo, I'd do it but because, who gives a hoot if she blows? LOL
_________________________
2014 Mazda 3 Hatch 2.0L & 6spd - Idemitsu 0w20 Synthetic @ $0.75 a quart.

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#4630446 - 01/10/18 12:40 PM Re: Castrol cocktail - Your thoughts on this mix??? [Re: Artem]
kschachn Online   content


Registered: 12/26/05
Posts: 9397
Loc: Upper Midwest
Originally Posted By: Artem
Oh come on, you can blend whatever the "F" you want. Make it 8w30, 7w30 or 9w30 if you want. Just because oil manufacturers all agreed to a standard 5w, 10, etc, doesn't mean you can't blend a 2w18 at home if you want. What a stupid thing to say in regards to blending viscosities. duh

This question brings out a lot of stupid responses, apparently.
_________________________
1994 BMW 530i, 227K
1996 Honda Accord, 262K
1999 Toyota Sienna, 394K
2000 Toyota ECHO, 267K

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#4630453 - 01/10/18 12:47 PM Re: Castrol cocktail - Your thoughts on this mix??? [Re: kschachn]
SatinSilver Offline


Registered: 01/24/08
Posts: 10161
Loc: OH
I did a blend recently. A little over half a qt. of MMO, over half qt. of Valvoline SynPower 20w50 and two qts. of Napa 5w30 conventional. I had this stuff sitting around so good to have it used. Not used in any of my car's but on an 05 Camry with 183k miles. It had 12k miles on it's current oci of generic bulk oil from a tire store. The SynPower had a nice, light color to it but was thick as molasses since it was being poured in at 9 degrees. Poured it in using a small funnel and took what seemed like forever for it to drain down. smile

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#4630474 - 01/10/18 01:06 PM Re: Castrol cocktail - Your thoughts on this mix??? [Re: SatinSilver]
Kira Offline


Registered: 08/19/10
Posts: 5238
Loc: Champlain/Hudson Valley
To C-P-H-M1 (the OP),
I'm 12 miles west of NYC at the moment.
The location in my signature reflects that I go up both sides of the Hudson (to Albany) then continue north to Ticonderoga, NY and Burlington, VT often.

It's a long, broad corridor but accurately represents how far I'd go for a set of tires....or cheap oil.

I put my '07 "back on the road" about 8 months ago. It now has 80,600 miles on it.
The operational feature of M1 0W-40 I read here is that its "40" more closely resembles a "30". In contrast, Castrol's 0W-30 European Formula is markedly thicker; closer to a "40" at temperature.

The car seems to like it. My highway mileage is 27-28.

I'm coming up on an oil change. I plan on using Mobil1 0W-40 again and using nothing but the same if any top-offs are required. Then, at 7,000 miles ( 500 miles BEFORE the same factory recommended OCI you're using) I'm going to have an oil analysis done.

The original owner didn't put 70K on it in 10 years. I bet the car did a lot of idling so I wanted to use an oil known for cleaning. Again, hearsay on BITOG is Gospel....or something like it.

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#4630522 - 01/10/18 01:40 PM Re: Castrol cocktail - Your thoughts on this mix??? [Re: CastroPenzoHavoMobil1]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
I am going to take the same Castrol Edge High Mileage 10w-40 at the recent Autozone clearance. ($2/quart) and mix it 50/50 with the cheapest Harvest King 0w-20 or 5W-20 and run it in my F150. ($12 for a 5 quart jug)
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"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4630594 - 01/10/18 02:34 PM Re: Castrol cocktail - Your thoughts on this mix??? [Re: Linctex]
car51 Offline


Registered: 03/12/15
Posts: 10256
Loc: Southwest PA
Originally Posted By: Linctex
I am going to take the same Castrol Edge High Mileage 10w-40 at the recent Autozone clearance. ($2/quart) and mix it 50/50 with the cheapest Harvest King 0w-20 or 5W-20 and run it in my F150. ($12 for a 5 quart jug)



AMEN! I got 10w40 EDGE hm and GTX ULTRA CLEAN 5w20 mixed 50/50%. Going in next OCI smile
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2009 Toyota Camry LE

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