What engine oil type 318 cui.

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    Author Topic: What engine oil type 318 cui.  (Read 11088 times)

    Offline Danishmopar

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    What engine oil type 318 cui.
    « on: July 27, 2010 - 02:38:29 AM »
    Hi Guys.

    What type of engine oile do you guys have on your engines.

    I´m running 15/40 on a ´´70 318

    Thanks  :cheers:

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    Offline Chryco Psycho

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    Re: What engine oil type 318 cui.
    « Reply #1 on: July 27, 2010 - 04:48:23 AM »
    you need an oil that is NOT rated SM so it has enough ZDDP to keep the cam alive
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    Offline hooD

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    Re: What engine oil type 318 cui.
    « Reply #2 on: July 27, 2010 - 04:48:47 AM »
    Well, I have been using this stuff for dozens of years.

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    Offline Danishmopar

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    Re: What engine oil type 318 cui.
    « Reply #3 on: July 27, 2010 - 06:12:07 AM »


    Thanks Guys.

    I will get me some 20/50 oil maybe with some Oil stabilizer with zddp.

     
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    Offline 1970 RT Challenger 1970

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    Re: What engine oil type 318 cui.
    « Reply #4 on: July 27, 2010 - 01:03:10 PM »
    How many ppm (parts per million) phosporus and zinc do you need in your engine oil for a 440 Big Block for street use, and which Mobil 1 Synthetic is the right one to use?

    From the pdf chart, for Mobil 1 10W30 Synthetic it lists phosphorus at 800 ppm and zinc at 900 ppm.

    At the bottom of the pdf chart - racing oils - For race only and not recommended for street use, it is listed as phosphorus 1750 ppm and zinc 1850 ppm.


    http://www.mobiloil.com/USA-English/MotorOil/Car_Care/AskMobil/Motor_Oil_Street_Legal_Drag_Car.aspx

    http://www.mobiloil.com/USA-English/MotorOil/Files/Mobil_1_Product_Guide.pdf

    15W50 (1200 ppm Phosphorus, 1300 ppm Zinc)

    http://www.mobiloil.com/USA-English/MotorOil/Car_Care/AskMobil/Motor_Oil_for_Cars_with_Hydraulic_Lifters.aspx
    « Last Edit: July 31, 2010 - 02:35:31 AM by 1970 RT Challenger 1970 »
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    Offline Strawdawg

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    Re: What engine oil type 318 cui.
    « Reply #5 on: July 27, 2010 - 02:29:47 PM »
    Lighter weight oils (10-30, etc) are now reduced in zinc and phosphorous content.  That leaves you with heavier oils and racing oils for the most part.  As stated above, stay away from SM rated oils.

    If you look at the Mobil 1 chart, you will notice that the 15-50 is okay for a street engine.  Most legit experts seem to believe that 12-13 ppm is what it takes for reasonable spring rates on a flat tappet cam.  High spring rates for big cams probably need more.

    Somewhere around 18 ppm, one begins to be in danger of pitting from the zddp according to some engineers and oil should be changed very frequently...which one would do on a race engine, anyway.

    If you do a little research, you will find there are quite a few oils on the market these days with sufficient content to avoid the need for supplements.

    Valvoline Racing, Brad Penn green, Joe Gibbs racing, Castrol for classics, Mobil 1 15-50, Royal Purple racing, and a number of others fit the bill.  A little research will show you which ones are okay and which are lacking amongst the brands

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    Offline 1970 RT Challenger 1970

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    Re: What engine oil type 318 cui.
    « Reply #6 on: July 27, 2010 - 03:08:31 PM »
    What about GM EOS (Engine Oil Supplement) as an additive?
    Will that work?

    http://www.turbobuick.com/forums/general-turbo-buick-tech/180776-gm-engine-oil-supplement-eos-question-2.html

    That old EOS part number 1052367 has been replaced by #88862586. Same old formula as the old stuff. Still plenty of Zinc in there to keep your cam happy.
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    Offline Danishmopar

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    Re: What engine oil type 318 cui.
    « Reply #7 on: July 27, 2010 - 04:02:24 PM »
    VALVOLINE VR-1 RACING MOTOR OIL
    Valvoline VR-1 Racing Motor Oil is a family of race-proven lubricants formulated to provide high load carrying characteristics, minimum foaming and maximum resistance to thermal degradation. Exclusive chemistry reduces internal friction and enhances power output under extreme service conditions. Valvoline VR-1 Racing Motor Oil is recommended for engines burning gasoline and full or partial alcohol fuels in track and street service. Valvoline VR-1 Racing Motor Oil is for use in any car, light truck, van, or SUV where API “SM” is recommended(see proper viscosity grade below).
    Valvoline VR-1 Racing Motor Oil is not recommended for use in wet clutches( use Valvoline 4-Stroke Motorcycle Oil).
    The Valvoline VR-1 Racing Motor Oil
    • The #1 selling Racing Oil of all time and race track proven.
    • Protects against high-temperature deposits for a cleaner engine.
    • ZDDP additive provides tough anti-wear protection.
    • Enhanced with fricition modifier to improve horsepower.
    • Formulated with enhanced anti-foam system.
    Approvals/Performance Levels
    Viscosity Grade/Other
    API SM/SL/SJ- - - - - - 20W-50
    API SH
    10W-30 20W-50
    API CD
    10W-30 20W-50
    Test
    10W-30
    20W-50
    Vis @ 100°C (cSt)
    11.5
    20.5
    Vis @ 40°C (cSt)
    77.0
    181.8
    Viscosity Index
    143
    132
    Spec Gravity @ 60°F
    0.8722
    0.888
    Density (lbs/gal)
    7.27
    7.39
    Total Base No.
    8
    8
    Flash COC (°C)
    212
    248
    Pour Point (°C)
    -33
    -24
    CCS cP (°C)
    6200(-25C)
    8000(-15C)
    MRV TP-1 cP (°C)
    20,000(-30C)
    27,000(-20C)
    Noack % off @ 250C
    <15
    <15
    Sulfated Ash
    1
    1
    Zinc/Phosphorus
    0.14/0.13
    0.14/0.13
    Calcium
    0.191
    0.191
    Sodium
    0.049
    0.049
    .
    « Last Edit: July 27, 2010 - 04:06:15 PM by Danishmopar »
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    Offline Danishmopar

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    Re: What engine oil type 318 cui.
    « Reply #8 on: July 27, 2010 - 04:04:44 PM »

    Hi guys

    Thanks for a good debat.

    It looks like at valvoline VR1 has all the stuff in the oil.
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    Offline Strawdawg

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    Re: What engine oil type 318 cui.
    « Reply #9 on: July 27, 2010 - 05:18:16 PM »
    Quote from: 1970 RT Challenger 1970 on July 27, 2010 - 03:08:31 PM
    What about GM EOS (Engine Oil Supplement) as an additive?
    Will that work?

    http://www.turbobuick.com/forums/general-turbo-buick-tech/180776-gm-engine-oil-supplement-eos-question-2.html

    That old EOS part number 1052367 has been replaced by #88862586. Same old formula as the old stuff. Still plenty of Zinc in there to keep your cam happy.


    If you would rather buy a supplement than an oil that has enuf...you can do so...

    One thing about buying an oil that is formulated by the company is that the additive package is balanced so that the detergents and the zddp work together thru out the life of the oil.

    Lotsa people figure that if a little is good, more must be better, and dump in EOS or one of the other supplements....certainly, if you wish to use an oil that is low on zddp, and you have a flat tappet cam, you are going to be better off by doing so.
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    Offline 1970 RT Challenger 1970

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    Re: What engine oil type 318 cui.
    « Reply #10 on: August 03, 2010 - 07:22:29 PM »
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    Offline greenzeppelin

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    Re: What engine oil type 318 cui.
    « Reply #11 on: August 04, 2010 - 01:53:54 AM »
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    Offline Chryco Psycho

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    Re: What engine oil type 318 cui.
    « Reply #12 on: August 04, 2010 - 11:04:57 AM »
     I have no experience with the Penn 20-50w but check the label if it is SL it should be fine if it is SM it will not have enough ZDDP , oil with Zddp or an additive will work , as I said before most racing oils have a lower detergent level & are designed to be changed more often , exactly how often I am not sure
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    Offline 1970 RT Challenger 1970

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    Re: What engine oil type 318 cui.
    « Reply #13 on: August 11, 2010 - 07:27:30 PM »
    I pulled the cork from the 440 oilpan, and put in Mobil 1 15W50 Synthetic Oil. Couldn't find any of the other brands of oil locally, or even the zddp additives, as no one knew what I was talking about! Some of the parts counter guys said, we have people ask for it occasionally but we don't sell it.
    Even some of the mechanics seem quite vague and don't know about it.


    http://www.mobiloil.com/USA-English/MotorOil/Files/Mobil_1_Product_Guide.pdf

    15W50 (1200 ppm Phosphorus, 1300 ppm Zinc)



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    Offline Chryco Psycho

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    Re: What engine oil type 318 cui.
    « Reply #14 on: August 12, 2010 - 03:58:13 AM »
    the info I have sates 1500-1600 PPM is minimum for flat tappet engines
     not sure how much protection EOS adds
    Comp cams has a break in additive recommended for continual use
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