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Which oil?

This is a discussion on Which oil? within the GTO forums, part of the Vehicle Specific category; Do you guys use synthetic or conventional oil, getting ready to change mine and wondering which is better....

  1. #1
    Junior Member meeler52's Avatar
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    Torrid Red
    2004 Pontiac GTO

    Which oil?

    Do you guys use synthetic or conventional oil, getting ready to change mine and wondering which is better.

  2. #2
    Smooth Operator 98LSGUN's Avatar
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    Black
    1998 Camaro SS Vert M6

    Synthetic. Royal Purple all around

  3. #3
    Smooth Operator 98LSGUN's Avatar
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    BTW welcome to the board

  4. #4
    Super Sporting It Chevypowr's Avatar
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    Mobil 1 5W-30, cheaper than royal purple and felt the same if not more of a differrence. I used royal purple first, then switched to mobile. I have 100,000 miles on my SS actually just broke 100 yesterday, never granny shift, see the red daily. Still OG head gasket, no smoke out the exhaust, feels like it's running stronger now than when i got it 50,000 miles ago.
    Borla XR-1 energy bushings UMI B&M Spohn suspension techniques eibach edelbroc K&N Richmond Eaton F.A.S.T FlashTuner NGK MSD SLP J&M - I owe it all to my mentor- my dad.

  5. #5
    Grand Imperial Wizard Sarge's Avatar
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    Nobody can answer your question until you answer some questions.
    What kind of driving do you do? Short trips/long trips...highway/around town what?...break it down into percentages of a average week driving for yourself.
    Where do you live? What kid of oil change intervals are you after if any.....is 3 months or 3 thousand miles going to be your target or are you after 6 month 6000 mile oil change intervals....what modifications you got? In warranty I assume.....is money an issue? In other words....if a oil change cost you $100 3-4 times a year is that a big deal versus say $50 bucks 3-4 times a year? And one question I can answer for damn sure real quick....in the proper application synthetics and Dino's are both fine oils for your ride man....lets understand your oil "image" first....

  6. #6
    Super Sporting It Chevypowr's Avatar
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    Right-on, he said it!

  7. #7
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    My GTO just rolled 3,500 miles. I had the dealership change it at 1,000 miles w/ regular oil. Then I just changed it again w/ regular oil at 3,000. I am going to change it again around 4,500 w/ either Mobil 1 or Royal Purple. I have always had Mobil 1 in all my other cars, but though I would try Royal Purple. Also I have always switched right to synthetic, but I am taking a different approach on the goat!
    2008 Lincoln MKZ - AWD
    2008 Pontiac G8 GT - Wifes car
    2006 Pontiac Grand Prix GXP - Sold
    2004 Pontiac GTO M6 - Sold

  8. #8
    Grand Imperial Wizard Sarge's Avatar
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    Yup...nothing to good for your GTO.....
    Royal Purple 5-30 11.0cSt @100c
    Mobil 1 5-30 10 cSt @100c
    Amsoil 5-30 11.6 cSt @100c

  9. #9
    Super Sporting It Chevypowr's Avatar
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    I also always ran mobile 1 and I thought I would try the royal purple and wasn't that pleased with it. But everyones got their own opinions. Maybe it will work out for you, it seams to have worked for many.

  10. #10
    Grand Imperial Wizard Sarge's Avatar
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    I'm not a Royal Purple fan.....better oils for the LS1 out there for a helluva lot less money IMHO.

  11. #11
    Super Sporting It Chevypowr's Avatar
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    Right-on

  12. #12
    Smooth Operator 98LSGUN's Avatar
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    How much are you all finding Royal Purple for? I'm paying 4.95 Qt when the Mobil One is going for 5 - 6 bucks a Qt. Where are you shopping???

  13. #13
    Super Sporting It Chevypowr's Avatar
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    I get mobil 1 in the 5 qt. jug for like $24 I think from Wal-mart. Royal Purple in my area is on average $6.50

  14. #14
    Grand Imperial Wizard Sarge's Avatar
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    They sell it at NAPA here for like $7 bucks a quart....that is just crazy.....

  15. #15
    Super Sporting It Chevypowr's Avatar
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    yeah thats absurd

  16. #16
    Smooth Operator 98LSGUN's Avatar
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    That is crazy. What do you use Sarge?

  17. #17
    Grand Imperial Wizard Sarge's Avatar
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    Well I aint stock so dont try this at home
    5 quarts Shell Rotella 15-40 2 quarts Amsoil 15-40 and 15 oz of Valvoline Syn Treatment ( Moly and Boron)...when I was stock ( or close to it)...Amsoil 0-30 or Amsoil 10-40....

  18. #18
    Smooth Operator 98LSGUN's Avatar
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    dayum your car is thirsty...

  19. #19
    Alcohol Injected PaganEgyptian's Avatar
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    I like running middle ground, I use Semi-Synthetic Mobil 5W20 (6 qts), more durable than Dino but cheaper than full synthetics. In my old little 4 cylinder, I ran Rotella 15W40 during summertime, Its a really tough oil compared to Mobil Delo 15W40 will isnt near the quality Shell is.

  20. #20
    Grand Imperial Wizard Sarge's Avatar
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    Semi Syn means it has less that 5% synthetics in it...why not just Dino man?

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