VSP or Castrol Edge. 0w20

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pbm

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If you bought a new car that called for 0w20 and had to choose between these 2 oils...which would it be?

This would be the black bottle Castrol Edge.
 
Honestly?
Either.
Although I do have a car for which 0W-20 is the recommended oil, there are also many more choices.
I like HGMO.
I'd probably otherwise use Mobil 1 Advanced Fuel Economy.
 
Originally Posted By: HKPolice
Castrol is thicker than most other brands.


Castrol Edge 0W-20 is lighter than Valvoline SynPower 0W-20 in every viscosity measurement:

Vis@40: 45.08 / 47.00
Vis@100: 8.65 / 8.80
Visc Idx: 174 / 169

Valvoline's PDS doesn't list HT/HS, but it can't be any lower than Castrol's, which is 2.6, the lowest allowable for a 20 grade.
 
If I had to choose a 0w20 from Walmart's available synthetics it would be AFE 0w20 (Mobil 1). I asked about these particular 2 because I have them already.
 
Originally Posted By: pbm
If I had to choose a 0w20 from Walmart's available synthetics it would be AFE 0w20 (Mobil 1). I asked about these particular 2 because I have them already.



Castrol for winter. Valvoline for spring.
 
Originally Posted By: Hokiefyd
Originally Posted By: HKPolice
Castrol is thicker than most other brands.


Castrol Edge 0W-20 is lighter than Valvoline SynPower 0W-20 in every viscosity measurement:

Vis@40: 45.08 / 47.00
Vis@100: 8.65 / 8.80
Visc Idx: 174 / 169

Valvoline's PDS doesn't list HT/HS, but it can't be any lower than Castrol's, which is 2.6, the lowest allowable for a 20 grade.

Castrol doesn't list it's HTHS viscosity either so we don't know which oil is actually thicker although if their HTHSV were both at 2.60cP then Valvoline would be marginally thicker due to it's lower VI.
The truth is there isn't much between these oil or most OTC 0W-20s and they are all considerably thicker than the OEM 0W-20s from Toyota and Mazda duev to their much higher VI's at 216 and 225 respectively.
 
Both are quality oils that will protect your engine. Neither will allow anything to happen to your engine that the other one would've prevented.

Any reason why you're not considering PP? The only reason I ask is because there's a $10 rebate going on with it which brings it down to an excellent price.
 
Originally Posted By: CATERHAM
Castrol doesn't list it's HTHS viscosity either so we don't know which oil is actually thicker although if their HTHSV were both at 2.60cP then Valvoline would be marginally thicker due to it's lower VI.


Castrol does, and it's 2.6 cP. You have to dig around through their PDS search engine to find a current EDGE PDS. But it's in there.
 
Originally Posted By: Hokiefyd
Originally Posted By: CATERHAM
Castrol doesn't list it's HTHS viscosity either so we don't know which oil is actually thicker although if their HTHSV were both at 2.60cP then Valvoline would be marginally thicker due to it's lower VI.


Castrol does, and it's 2.6 cP. You have to dig around through their PDS search engine to find a current EDGE PDS. But it's in there.


Somewhere in the voa section there is a voa I posted for Valvoline SynPower 0w20 last year. I emailed valvoline and they replied that the HTHS @150 is 2.7

Also, blackstone tested vis @ 100°c at 8.95
 
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Originally Posted By: dustyroads
Somewhere in the voa section there is a voa I posted for Valvoline SynPower 0w20 last year. I emailed valvoline and they replied that the HTHS @150 is 2.7


If that is the case, and if Castrol is correct about EDGE being 2.6 cP, then Castrol is most certainly lighter than the Valvoline. Not by a significant margin...but it's certainly not heavier.
 
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