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#833997 - 02/14/07 08:46 AM Valvoline Synpower or Castrol Syntec?
Rob Taggs Offline


Registered: 09/08/04
Posts: 807
Loc: Lansing , Kansas
I'm just getting tired of scouting around for different oils and want to settle with just one for all my vehicles. The weight would be 5w-30 year round, the 0w-30 Castrol Syntec is a hit and miss when looking for it.

So if it were up to you would it be Valvoline Synpower or Castrol Syntec (American Version)?

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#833998 - 02/14/07 09:08 AM Re: Valvoline Synpower or Castrol Syntec? [Re: Rob Taggs]
Merkava_4 Offline


Registered: 01/30/07
Posts: 9169
Loc: Clovis, CA
Which ever one I could get in the 5qt bottle at Walmart. In my town, that would be the Syntec.

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#833999 - 02/14/07 09:12 AM Re: Valvoline Synpower or Castrol Syntec? [Re: Merkava_4]
Bryanccfshr Offline


Registered: 10/09/04
Posts: 5414
Loc: Durango, Co
Tough call. Which is more convenient for you to pick up regularly? If they are equally convenient I would slightly favor the Castrol syntec.
_________________________
Integrity is what we do when no one's looking.

2010 FJ Cruiser
Mobil 1 0w20 10k mile or 1 year WECF OCI's
2012 BMW F30 with the new N20
Tbd

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#834000 - 02/14/07 04:30 PM Re: Valvoline Synpower or Castrol Syntec? [Re: Bryanccfshr]
TallPaul Offline


Registered: 10/22/03
Posts: 12915
Loc: By Detroit
IMO Maxlife Synthetic is better than Synpower.
_________________________
"There is a slight vibration in it that I always attributed to something I can't explain." --Neil Young

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#834001 - 02/14/07 09:14 PM Re: Valvoline Synpower or Castrol Syntec? [Re: TallPaul]
GMZ Offline


Registered: 06/04/06
Posts: 251
Loc: Virginia
Syntec 5W-30 is my fav store brand oil, even over M1. Used it in 3 vehicles now with awesome results.
_________________________
350Z--->T4R--->370Z--->T4R--->TDI--->T4R
2006 Titanium Silver V6 SE 4x4-Sold
2007 Titanium Silver V8 SE 4x4-Wrecked
2008 Galactic Grey V8 SE 4x4-Current

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#834002 - 02/14/07 11:23 PM Re: Valvoline Synpower or Castrol Syntec? [Re: GMZ]
addyguy Offline


Registered: 09/08/05
Posts: 13427
Loc: Canada
In the UOA section, there are some very impressive results with 5W-30 Syntec. I'd go with that. Seems to have a VERY robust add-pac with Moly, Boron, and high Calcium. Also, at only 9.7 cst, it will deliver good fuel economy, and it doesn't seem to shear down much from there.
_________________________
2003 Mazda Tribute LX V-6, 171k miles.
Oil: QS Defy 5W-20; Fram Ultra XG2 filter.

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