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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; roger that, thats why half of nascar uses it....

  1. #21
    NATRALLY ASPIRATED 495 HP TASWEET SS's Avatar
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    pull me over RED
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    roger that, thats why half of nascar uses it.

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    Grand Imperial Wizard Sarge's Avatar
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    OK....Listen up guys....don't get caught up in this 100% synthetic bullshit.
    Todays Conventional SM rated oils are better than many oils that are marketed as "synthetic" anyway. Lets walk through this.
    Mobil1 has changed their basestock. For whatever reason...shortage of PAO ( Katrina) or the bean counters wanted more profit. Fact is the basestock has changed and clearly reflects a GroupIII basestock. Mobil1 also changed their marketing from "100% PAO" to "Includes 100% PAO"...see the difference? I'll get to why that doesn't really matter, outside of being overpriced and disingenuous in a minute....But Mobil1 is a good(not great) oil. Has higher than average wear metals in almost every LS1/LS2 UOA I have ever seen......and also has issue with shearing....that is bad kids because when an oil shears it leaves pressure point ( see rod bearings) with little to no protection=high wear metals in your UOA. I put Mobil1 in the middle of the pack at best.....Royal Purple is a real disappointment. Once again they have a significant shearing problem. Racing 41 sheared to a low 30 weight on me and I have the worse UOA I have ever had. Come to find out RP is having that issue across their product line. I'm not touching that purple stuff until they make some changes and I see it in multiple UOA's.
    Folks what was "best" last year may suck donkey butt this year. These guys change their base stocks and add packs like I change my skivvies. So you must stay up on what is going on....and yes I make the investment and get VOA's done by Terry Dyson himself....so no marketing crap enters into the equation....OK....Pennzoil Platinum/Amsoil hands down the best oils out there. RedLine is not for street driven cars....detergents are almost non existent and sludge is an issue running it on the street for long periods of time. As I mentioned the SM rated conventional are kick butt.....Castrol GTX/Pennzoil ( Yellow Bottle ) and Quaker State are loaded with outstanding add packs and are delivering excellent wear UOA's. Go 5000 miles with any of these in total confidence. I'll get into any specifics about any statements I have made here with anybody....feel free to ask away and I'll do my best to answer you.
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    Grand Imperial Wizard Sarge's Avatar
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    Quote Originally Posted by TASWEET SS View Post
    roger that, thats why half of nascar uses it.
    If you think NASCAR uses the same oil on the shelf at WalMart....pass the bong man
    Trying to say NASCAR uses the same Mobil1 I buy at the store is like saying I get the same experience by watching the Super Bowl on TV rather than being there. Two big differences. NASCAR utilizes a 0-20 weight to qualify that is loaded with ZDDP. In the race they use a 0-30 that is loaded with friction modifiers. You cannot even come close to buying it friend. It is mixed up in the shop. Almost all the teams utilize a entire bottle of Valvoline VSOT in each sump regardless of what host oil they are using.

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    Grand Imperial Wizard Sarge's Avatar
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    I forgot to say why 100 PAO basestock doesnt mean anything in the big picture. GRPIII is a highly refined basestock with very uniform molecular structure. So having a PAO these days doesnt really get you any benefits. It is all about the add packs. So a oil can be GRPIII and have great add packs and kick the hell out of a 100% PAO.
    And for the record...when AMSOIL came out with it's GRPIII product line...at least they had the ethics to tell everybody.....and it is cheaper than the AMSOIL 100% PAO line of products. Mobil1 just went GRPIII and jacked the price up even more. That is lower than whale shit in my book.

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    hey Sarge - i'm glad you are back as i've been waiting for some oil input from you. I've used mobil 1 for the past 2 years but now am switching. Which of the amsoil oils should i use??

    ASL SAE 5W-30 Synthetic Motor Oil
    or
    XLF - XL 5W-30 Synthetic Motor Oil
    or a different version of amsoil- they have so many choices.

    My other option I was considering is penzoil platinum. There is obviously a big price difference between the two companies. Do you think it is worth the extra $$ for the amsoil?

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    Hit me up Sarge....

    Still liking the VP oils?? In a car that sees maybe 4,000 miles a year?

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    Quote Originally Posted by 99blueZ View Post
    hey Sarge - i'm glad you are back as i've been waiting for some oil input from you. I've used mobil 1 for the past 2 years but now am switching. Which of the amsoil oils should i use??

    ASL SAE 5W-30 Synthetic Motor Oil
    or
    XLF - XL 5W-30 Synthetic Motor Oil
    or a different version of amsoil- they have so many choices.

    My other option I was considering is penzoil platinum. There is obviously a big price difference between the two companies. Do you think it is worth the extra $$ for the amsoil?
    Pennzoil 10-30 is what you want. ASL is what you want. Unless your highly modified and running FI or Laughing Gas...Pennzoil is an equal. Go Amsoil if the above comes into play....fuel dilution you need the beefier add pack Amsoil has....

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    Quote Originally Posted by Mr. Luos View Post
    Hit me up Sarge....

    Still liking the VP oils?? In a car that sees maybe 4,000 miles a year?
    Hell yes. VP is good stuff at a bargain man.

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    DAMN IT!!! Sarge why did you leave? I just put Royal Purple in my car and now you say Pennzoil

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    Quote Originally Posted by sandman22 View Post
    DAMN IT!!! Sarge why did you leave? I just put Royal Purple in my car and now you say Pennzoil
    Sarge i think you owe him a few quarts lol

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    I did my best to semi-inform while Sarge was gone....
    Although no one believed me.


    Sarge...
    Which oil now??? Looks like VP changed it up a bit. I am on a fresh change now and have 6 more quarts of the 5w-30 for the next change.
    http://www.vpracingfuels.com/vp_02_oils.html#synthetic

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    Quote Originally Posted by Mr. Luos View Post
    I did my best to semi-inform while Sarge was gone....
    Although no one believed me.


    Sarge...
    Which oil now??? Looks like VP changed it up a bit. I am on a fresh change now and have 6 more quarts of the 5w-30 for the next change.
    http://www.vpracingfuels.com/vp_02_oils.html#synthetic
    Yeah I saw that....use up what you got and go Pennzoil Platinum 10-30.

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    Quote Originally Posted by sandman22 View Post
    DAMN IT!!! Sarge why did you leave? I just put Royal Purple in my car and now you say Pennzoil
    LOL....use it up and change her over......

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    Quote Originally Posted by Sarge View Post
    Yeah I saw that....use up what you got and go Pennzoil Platinum 10-30.
    10w30? That would make my car have a knocking noise for a few seconds upon startup(Mobil 1). Will I have the same problem with this 10w30?

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    hey whats up sandman, aka ABBY here, i cant stop laughing from that little dude hitting his head on that wall, ha, ha, damnit sarge, so whats the deal, amsoil or pensoil platnum, i think im going with amsoil, arent they kind the godfather of synthic oil, whats sarge say?

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    Quote Originally Posted by sandman22 View Post
    10w30? That would make my car have a knocking noise for a few seconds upon startup(Mobil 1). Will I have the same problem with this 10w30?
    I just switched from mobil1 5w30 to pennzoil 10w30 and I think the "slap" sound is reduced IMO.

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    all of the ls1,that i know of make that tapping noise, almost sounds like lifter taping, i dont know why they make that noise, when i first got my car back in 2002, i thought there was something wrong.

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    I agree with the noise. When I used 10w30 it would make it, but with 5w30 it does not.

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    Quote Originally Posted by sandman22 View Post
    10w30? That would make my car have a knocking noise for a few seconds upon startup(Mobil 1). Will I have the same problem with this 10w30?
    Your probably hearing Piston slap. No PP has a thicker film characteristics than Mobil1.

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    Quote Originally Posted by TASWEET SS View Post
    hey whats up sandman, aka ABBY here, i cant stop laughing from that little dude hitting his head on that wall, ha, ha, damnit sarge, so whats the deal, amsoil or pensoil platnum, i think im going with amsoil, arent they kind the godfather of synthic oil, whats sarge say?
    Hey man....yeah Amsoil is a great company. I think their marketing/distribution sucks donkey balls....but damn good oil.....I recommend paying the $20 bucks and getting the preferred customer pricing (same as dealer) about 20%-25% off retail cost. So Amsoil is cheaper than Mobil1 with the preferred customer....but seriously this Pennzoil Platinum is some damn good stuff....Advanced Auto just had a buy one get one free...and will have it again in June on all Pennzoil Platinum....hell at $2.75 per quart it cannot be beat.....but Amsoil is some seriously great fricking oil.....
    https://www.amsoil.com/AmsoilLogin/PreferredApp.aspx

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