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#1621130 - 10/05/09 12:58 PM Castrol GTX Good? Bad?
RamAir5 Offline


Registered: 04/17/09
Posts: 91
Loc: Virginia
Ive been reading many posts here and elsewhere about GTX. Many state its have lost GM approval. Some say they got it back. Some say its great, some say its awful. Any information on the current status of GTX? I'm contemplating moving back to conventional oil strictly because of economics. Its alot cheaper.

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#1621133 - 10/05/09 01:04 PM Re: Castrol GTX Good? Bad? [Re: RamAir5]
addyguy Offline


Registered: 09/08/05
Posts: 13429
Loc: Canada
It's one of the best conventional oils going. Stays in grade very, very well. Use it w/o worry if you can get a good price on it....
_________________________
2003 Mazda Tribute LX V-6, 172k miles.
Oil: QS Defy 5W-20; Fram Ultra XG2 filter.

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#1621139 - 10/05/09 01:08 PM Re: Castrol GTX Good? Bad? [Re: RamAir5]
d00df00d Offline


Registered: 10/20/05
Posts: 9237
Loc: PA
If it meets the specs listed in your owner's manual, go ahead and use it.
_________________________
2011 Mazda RX-8 R3
Castrol GTX 5w-20

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#1621157 - 10/05/09 01:25 PM Re: Castrol GTX Good? Bad? [Re: d00df00d]
FastSUV Offline


Registered: 01/18/09
Posts: 1081
Loc: oklahoma
I moved back to conventional oil myself...I went with Pennzoil...but before my 8yr stent on Mobil-1, I was a 9yr user of GTX...I'd say the mail reson I did not go back to GTX is because partly this board has me convinced that Pennzoil is the best and the other reason is that GTX is one of the most expensive conventioanl oils.

IS GTX better than Pennzoil? I am not sure, but I had good luck with GTX when I did use it before...I'd still be using it except for the convincing arguments that Pennzoil seems to be the best conventional oil...thx Johnny LOL
_________________________
'01 Jeep GC 4.0L - 110k (current setup is 6k OCI w/ 10w30 Rotella T5)
'98 Jeep 5.9 Limited - 183k (current setup is 5k/or 1yr OCI w/ 10w30 Rotella T5)

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#1621164 - 10/05/09 01:35 PM Re: Castrol GTX Good? Bad? [Re: RamAir5]
ryan2022 Offline


Registered: 06/05/06
Posts: 1208
Loc: Calgary
GTX is a great oil, and has been for years.

I dont think even the Castrol haters would tell you GTX is a bad oil!
_________________________
2008 BMW X3 3.0si Castrol Edge 5w40
2006 Pontiac Vibe base Motomaster Synthetic 5w30
2006 Nissan Murano SE Pennzoil platinum 5w30

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#1621170 - 10/05/09 01:44 PM Re: Castrol GTX Good? Bad? [Re: ryan2022]
Nickdfresh Offline


Registered: 03/15/06
Posts: 3524
Loc: Buffalo, NY
It will sieze up your engine instantly.























Just kidding. GTX is a very good oil. Which GM spec's did it lose? I thought it still met the GM6094?

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#1621172 - 10/05/09 01:54 PM Re: Castrol GTX Good? Bad? [Re: Nickdfresh]
buster Offline


Registered: 11/16/02
Posts: 29205
Loc: NJ
Good oil, and I'm not a Castrol fan. grin
_________________________
2014 Mazda 3 S GT AT - OE oil
2003 Forester XS 5spd - M1 0w40

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#1621218 - 10/05/09 02:44 PM Re: Castrol GTX Good? Bad? [Re: buster]
EPHIOS Offline


Registered: 03/14/09
Posts: 66
Loc: Nevada
Castrol GTX is a great oil. I have been using it for a year with my 2004 Hyundai Elantra, with SuperTech oil filter. Works great together!
_________________________
***2009 Scion xB***
Pennzoil Platinum 5W-20
Purolator PureOne/Toyota OEM (Denso)

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#1621225 - 10/05/09 02:48 PM Re: Castrol GTX Good? Bad? [Re: EPHIOS]
wavinwayne Offline


Registered: 01/06/05
Posts: 7519
Loc: North Alabama
The only reason I wouldn't use GTX is because it costs (a bit) more than other oils that will work as well.
_________________________
Silence is golden, but duct tape is silver.

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#1621297 - 10/05/09 03:48 PM Re: Castrol GTX Good? Bad? [Re: buster]
Tortured_Soul Offline


Registered: 04/13/09
Posts: 155
Loc: St. Louis Park, MN
Originally Posted By: buster
Good oil, and I'm not a Castrol fan. grin

2cents
_________________________
2006 KIA Spectra5
Mobil Special 5W-30
NAPA Silver filter

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#1621306 - 10/05/09 03:56 PM Re: Castrol GTX Good? Bad? [Re: Tortured_Soul]
chastn Offline


Registered: 08/09/09
Posts: 31
Loc: South Carolina
A co-worker of mine has run it for years in his 94 Saturn. The odometer stopped working about 8 years ago at 180000 miles or so. He drives out and back to work about 80 miles a day. He must be coming close to 350,000 miles at least on that thing. He has never had the engine opened. Castrol GTX must have something going for it.

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#1621309 - 10/05/09 03:57 PM Re: Castrol GTX Good? Bad? [Re: chastn]
elwaylite Offline


Registered: 06/09/04
Posts: 488
Loc: Theodore Al
Great oil.
_________________________
07 Hyundai Sonata 2.4L/75k miles/Redline 0W20/Mobil Filter
09 Scion xB 2.4L/18k miles/Redline 0w20/Mobil Filter

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#1621310 - 10/05/09 03:58 PM Re: Castrol GTX Good? Bad? [Re: elwaylite]
StevieC Offline


Registered: 08/21/08
Posts: 14339
Loc: Niagara Falls, ON, CA (near)
Great oil... Too much for it though... Pennzoil is the same protection at a really great price. wink
_________________________
'06 Hyundai Sante Fe - 330K KM's
Current Oil: RLI 0w30 (Ask me why)

Don't be part of the Sheeple, check frequently for wool over your eyes. wink

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#1621312 - 10/05/09 03:59 PM Re: Castrol GTX Good? Bad? [Re: StevieC]
OVERKILL Offline


Registered: 04/28/08
Posts: 26520
Loc: Ontario, Canada
Originally Posted By: StevieC
Great oil... Too much for it though... Pennzoil is the same protection at a really great price. wink



He posts again!!!!
_________________________
Network Engineer
02 Expedition
01 BMW ///M5
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#1621317 - 10/05/09 04:03 PM Re: Castrol GTX Good? Bad? [Re: OVERKILL]
StevieC Offline


Registered: 08/21/08
Posts: 14339
Loc: Niagara Falls, ON, CA (near)
Yes I'm back... I will take the licks for it...

It was the overwhelming response by e-mail and PM of my apparent fan-base that brought me back.

_________________________
'06 Hyundai Sante Fe - 330K KM's
Current Oil: RLI 0w30 (Ask me why)

Don't be part of the Sheeple, check frequently for wool over your eyes. wink

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