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mobil 1 or royal purple?

This is a discussion on mobil 1 or royal purple? within the General Help forums, part of the LSx Technical Help Section category; My SS has had mobil 1 in it since birth lol, i went to the local pepboys and saw they ...

  1. #1
    Member SLP02SS's Avatar
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    mobil 1 or royal purple?

    My SS has had mobil 1 in it since birth lol, i went to the local pepboys and saw they carry royal purple now, before i had to go to summit or pace performance...well anywyas its only 70 cents more a quart than mobil 1 now because they raised mobil 1 to 6.29 a qt. royal purple is 6.99 a qt.

    so should i change to royal p or stay with mobil 1??

    02 som SS #4818 m6 all SLP options, cme, lt's, ory, e-cutout, lowered(slammed), Pro 5.0, 4:10s, boltons, 19" CCW 505A'S, 365rwhp 379ftlbs
    07 silverstone TBSS matching SS hood, cai, exhaust, HP tuners, DJM/Beltech, DAILY DRIVER

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    Slow'er'Ass Mr. Luos's Avatar
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    Neither.
    Both are WAY too expensive. Mobil 1 isn't even fully synthetic anymore.


    That new Pennzoil Platinum is supposed to be a great synthetic.

  3. #3
    NATRALLY ASPIRATED 495 HP TASWEET SS's Avatar
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    pull me over RED
    2002 camaro SS

    stay with mobile one, and they still sell 5w 30, fully synthic, that new 5k mile shit is conventual oil by mobile 1, i get mine at auto zone aka abby

  4. #4
    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by TASWEET SS View Post
    stay with mobile one, and they still sell 5w 30, fully synthic, that new 5k mile shit is conventual oil by mobile 1, i get mine at auto zone aka abby
    Mobil 1 is NOT fully synthetic anymore.

  5. #5
    NATRALLY ASPIRATED 495 HP TASWEET SS's Avatar
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    pull me over RED
    2002 camaro SS

    bullshit what makes you say that

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    Slow'er'Ass Mr. Luos's Avatar
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    The fact that they use a Basestock III now instead of the synthetic basestock IV.

    Mobil 1 is still a GREAT oil. Just not worth the asking price. Should be more like $2.50-$3 a quart instead of $6+ a quart.

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    NATRALLY ASPIRATED 495 HP TASWEET SS's Avatar
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    pull me over RED
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    they claim nascar uses it, who knows, i usually stick to one oil in my ss, i dont change up, old school i guess, i dont let my oil get dirty, clean, clean, always had mobile 1,talking about cost,rp xtreme is $12 something a qt, its all over priced

  8. #8
    Slow'er'Ass Mr. Luos's Avatar
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    I use VP synthetics.
    $55 bucks for a 12 quart case shipped.

    Daily driver will get the rest of the Mobil 1 I have sitting around.


    Dirty oil is a good thing.
    Means it is working. Dirty doesn't mean it needs changed.

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    mobil 1. thats what the manual says.

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    Member LS1SSZ28's Avatar
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    What are all the remaming FULLY SYNTHETIC oils left ?

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    Retired NOT tired SteveC's Avatar
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    Royal Purple and Redline are pure synthetics.

    I use Royal Purple 10W-30, I live in a very warm climate.

    SteveC

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    Member LS1SSZ28's Avatar
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    is castrols fully synthetic oil really full sythetic?

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    Member svt_eater's Avatar
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    I've been using Royal Purple since my first oil change. I'm sticking with it, but that's personal preference. I trust it. Go with what you trust...that's why there are so many oils out there...something for everyone.

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    Member SLP02SS's Avatar
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    thanx guys, well ive been using mobil 1 but was thinking about changing to rp because i plan to switch everything over, i already have the gear oil in the rear end. but didnt know if id like it and didnt wanna have to switch back and forth like abby said so its either switch or stay with m1.

    is anyone running rp in there t56 or autos?

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    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by SLP02SS View Post
    is anyone running rp in there t56 or autos?
    My T56 gets the best non-synthetic. I think it was Castrol ATF.

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    Amsoil

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    Senior Member rajiv1998's Avatar
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    the guy i bought the car from did run synthetic. But since i got it, im running mobil 1

  18. #18
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    I just switched from only mobil1 to pennzoil platinum, $19 for the 5 quart bottle. Go read "oil junkie" 20+ pages and see the bad rap mobil1 gets for shearing after heat-up. Sarge is the true oil junkie.

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    Member svt_eater's Avatar
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    Quote Originally Posted by SLP02SS View Post
    thanx guys, well ive been using mobil 1 but was thinking about changing to rp because i plan to switch everything over, i already have the gear oil in the rear end. but didnt know if id like it and didnt wanna have to switch back and forth like abby said so its either switch or stay with m1.

    is anyone running rp in there t56 or autos?
    I have RP in my tranny, rear, and motor. I have been happy with it so far. I had some tranny noise before I started using RP, so I'm not necessarily happy with the factory tranny fluid anyway. I have a T56.

    Hopefully I can get the tranny fixed soon, but I suspect it won't be that cheap...I think it's my input shaft bearing...yay me! I am hoping to do a new clutch/flywheel combo as well. We'll see how it all works out, but I plan to stick with RP either way.

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    I have heard that Mobil ! has gone back to what can be classified as fully synthetic - then again the FTC has changed the definition for what you can or can not call synthetic.

    Be interesting to write a few people and try for a definitive answer.

    I have no problem with Mobil 1, it's a good oil base with good detergent additives. Castrol and Valvoline are also good oils.

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