Mobil 1 or Castrol Syntec?

Mobil 1 or Castrol Syntec

  • Mobil 1

    Votes: 11 84.6%
  • Castrol Snytec

    Votes: 2 15.4%

  • Total voters
    13
  • Poll closed .

Beelzebubba

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I prefer Mobil 1


BUT

Castrol Syntec is about $2.00 less per 5 qt container at Wal-Mart.

Pennzoil Platinum Synthetic is about a dollar less than that. :what:

So guess what I'm running in the turbo.
 


Evan.

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** moved to engine tech.. I guess :what:
 

toneekay

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im a mobile fan here.
 


Beelzebubba

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Technically, Castrol Syntec is not a real synthetic like Mobil 1. A Group IV PAO (polyalphaolefin) Castol Syntec is widely regarded as a Hydroisomerized Group III .

Group III has some advantages and some disadvantages over Group IV PAO. More slight disadvantages though.

Castrol's claim that using Syntec does allow more horsepower production over a longer period seems to be substantiated....but that's not saying much. All the Group IIIs can make that claim. But is a .00124 hp gain really worth it?

I think they are both good oils. Mobil 1 of course is superior but since I maintain my change interval, I really don't think I would get a substantially greater engine life out of it.

Hell, regular Catrol GTX and MobilClean 5000 are fine oils on their own.
 

ShinsenTuner

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Castol GTX Synthetic here... it's alright. I've used Mobil 1 and other brands, I just get whatever is available and priced for me at the time. If not, I will just bring it to my friends shop and get it done for like 12 bucks, :lol:
 

05

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ive used mobil 1, royal purple, Q-power, penzoil platinum, castrol syn power... it all seems the same to me but i always just stuck with mobil 1
 

bizoneoeh

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I use nothing but mobil 1 full synthetic and my oil changes are pricey.....
 

Sammo115

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out of the 2 thats on topic ...id rather go with Mobil 1 for daily driving

but if i were to compete in anything id go with royal purple.
 

Kaotic_Zeus

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mobil1 hands down. It is TRUE FULL SYNTHETIC.

Unless we're talking about the German Castrol Full synthetic then, that's probably even better than mobil1 but who knows, can't even find that stuff around here can you.
 


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