View Poll Results: which oil weight do you use

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  • 0w / 30

    17 5.74%
  • 5w/ 30

    129 43.58%
  • 10w/30

    129 43.58%
  • other please add

    21 7.09%
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which oil weight do you use

This is a discussion on which oil weight do you use within the General Help forums, part of the LSx Technical Help Section category; all syntetic...

  1. #1
    Senior Member greatwhiteZ28's Avatar
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    which oil weight do you use

    all syntetic

  2. #2
    Yo Da Lin The Valley..... astyles's Avatar
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    2001

    5/30 pennsoil syn

  3. #3
    no more 4th gen secondgearscratch's Avatar
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    Pewter
    2000 z28

    used 5w30 mobil 1

    now using 10w30 penzoil platinum.

    pp ftw!

  4. #4
    I lika da Chevy's LETHALxLS1's Avatar
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    Conventional valvoline 10-40

  5. #5
    Don't Listen to Me NE98LS1's Avatar
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    well apparently i'm now using 5w-20 (synth blend), thanks to my garage guy today. however, i think after doing some reading today i'm gonna go back to 5-30 synth blend

  6. #6
    Senior Member 35thAnniZ28's Avatar
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    eating bulldog
    son of biscuit

    mobil 1 synth

  7. #7
    Member Ryanater's Avatar
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    1998 WS6, 1969 Camaro

    Quote Originally Posted by secondgearscratch View Post
    used 5w30 mobil 1

    now using 10w30 penzoil platinum.

    pp ftw!
    NOOOOOOOOOOOOOOOOOO!!!!!!!!!!!!!! Never use Penzoil. NEVER! believe me. I pull apart engines for a living and everytime we get a penzoil motor it is all gunked up. It's really bad, trust me. obviously if you change you oil every 3,000 miles it won't be to bad, but still, don't do penzoil.

    I use amsoil. It $7.99 a quart but I have heard it is the best.

  8. #8
    Driving like i stole it!! dafizzman1's Avatar
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    Quote Originally Posted by Ryanater View Post
    NOOOOOOOOOOOOOOOOOO!!!!!!!!!!!!!! Never use Penzoil. NEVER! believe me. I pull apart engines for a living and everytime we get a penzoil motor it is all gunked up. It's really bad, trust me. obviously if you change you oil every 3,000 miles it won't be to bad, but still, don't do penzoil.

    I use amsoil. It $7.99 a quart but I have heard it is the best.


    lol....i run a jiffy lube....


    amsoil here too...10w-40.... rear main seal leak....ooo boy another thing to fix...


    mobil seens to thin out too much under extreme circumstances...(my driving!!)

  9. #9
    Member Ryanater's Avatar
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    1998 WS6, 1969 Camaro

    Quote Originally Posted by dafizzman1 View Post
    lol....i run a jiffy lube....


    amsoil here too...10w-40.... rear main seal leak....ooo boy another thing to fix...


    mobil seens to thin out too much under extreme circumstances...(my driving!!)
    Put penzoil in the engine and that rear main seal leak will seal right up. Seriously though.

  10. #10
    Driving like i stole it!! dafizzman1's Avatar
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    Quote Originally Posted by Ryanater View Post
    Put penzoil in the engine and that rear main seal leak will seal right up. Seriously though.
    clutch soon. so i can wait.... not the right thread but i get mixed reviews on different companies. i ws gonna do the whole thing( flywheel, clutch, slave).
    any suggestions on who to go with??


    p.s. remember now. 24/7 i drive it like i stole it!!!lol

  11. #11
    Slow'er'Ass Mr. Luos's Avatar
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    Oil doesn't not cause sludge.



    I run Pennzoil Platinum 10w-30.
    Currently there is VP racing oil in the Trans Am, but it will be switching over soon.

  12. #12
    I lika da Chevy's LETHALxLS1's Avatar
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    Not changing oil often enough causes sludge. IMHO

  13. #13
    Slow'er'Ass Mr. Luos's Avatar
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    Correct.

    But that isn't the oil doing it. It is improper maintenance.

  14. #14
    Grand Imperial Wizard Sarge's Avatar
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    Quote Originally Posted by Ryanater View Post
    NOOOOOOOOOOOOOOOOOO!!!!!!!!!!!!!! Never use Penzoil. NEVER! believe me. I pull apart engines for a living and everytime we get a penzoil motor it is all gunked up. It's really bad, trust me. obviously if you change you oil every 3,000 miles it won't be to bad, but still, don't do penzoil.

    I use amsoil. It $7.99 a quart but I have heard it is the best.
    So I should just throw out years of analytical data and lab work and trust some 19 year old kid? Oil doesn't cause sludge son. Improper maintenance/PCV malfunctions/shitty OCI's cause sludge. I will put Pennzoil Platinum up against Amsoil any old day of the week. We will base this contest on a wide variety of UOA's and go from there. Game? Amd why are you paying that for Amsoil son? I pay significantly less....try the prefered customer program and get it for under $5 per quart.

  15. #15
    lmpounded SandmanWs7's Avatar
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    Sarge is the oil junkie here. He has his oil tested and then retested. I think I will stick with what Sarge (and years of testing) says than a 19 year old.

  16. #16
    Member Ryanater's Avatar
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    Quote Originally Posted by Sarge View Post
    So I should just throw out years of analytical data and lab work and trust some 19 year old kid?
    Yes! j/k

    It's up to you. I just have had nightmares about cleaning Penzoil cylinder heads. We would usually hot tank those things 3-4 times before they were "clean". It's not really sludge either, it gets really hard almost like carbon.

    All though I agree if you change your oil every 3,000 miles you will be fine. Penzoil just seems to sludge up really bad if you don't change your oil often. Much worse than other types of oil. This is just my opinion and I am not claiming to know everything. I am sure most of you guys know more about these engines than I ever will, I am just throwing my opinion out there.

  17. #17
    Member BKHgto04's Avatar
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    10-30 castrol syntec

  18. #18
    old timer blue02Z's Avatar
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    Quote Originally Posted by Sarge View Post
    I pay significantly less....try the prefered customer program and get it for under $5 per quart.
    hey Sarge, how do you get it that cheap, i am a perferred customer and it still runs $7.65

  19. #19
    I lika da Chevy's LETHALxLS1's Avatar
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  20. #20
    Something Diabolical... chuckie669's Avatar
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    2000 C5 Torch Red

    I've been using Royal Purple 10W-30 for almost the past year. I'm not sure it's worth the money.

    I've had my car about a year now, and was trying to find a way to clean up some of the deposits that seemed to have built up from the previous owner.

    Next Change I think I'm gonna Auto-RX then switch to PP.

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