BEST ENGINE OIL?

Discussion in '94-95 5.0 - Specific' started by EVILSN, Nov 7, 2015.

  1. EVILSN

    EVILSN Active Member

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    What engine oil do you guys run? I currently use valvoline 10w40. Would it be beneficial to switch to a racing oil?


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  2. Addermk2

    Addermk2 Well-Known Member

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    Oil type and weight is highly dependent on power level, driving type, and bearing clearances.

    None of which, have you provided.
     
  3. EVILSN

    EVILSN Active Member

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    Basically .0014 all the way around, 340hp, occasional driver but gets the breath beat out of it.


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  4. ranger56528

    ranger56528 Active Member

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    10-30 valvoline in the motor in the GT now but looking at running synthetic in the motor Im building now,think I'll go Royal Purple 5w-30. 5w due to the fact it will be used during the winter as a back up car and 30 due to the miles on the short block I'm using. Will see what kind of oil usage I'm getting and if it's more then I like ill try a 10-40 syn,better to start thin.
     
  5. g36 monkey

    g36 monkey Moderator Staff SN95 Supporter

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    I did a lot of research and as far as oil "quality" goes, Amsoil seems to come out on top in that category.

    Per the weights, I can't help you so much there.
     
  6. ttocs

    ttocs Legend

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    with how much I had started to put in the car the past few years I drove it that I started doing nothing less then royal purple.
     
  7. CC'S95GT

    CC'S95GT Legend

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    clean oil is the best oil.
    Amsoil, Royal Purpel are both great synhetics. But $$$$$ damn they're pricey. Sure you can go longer between oil changes and recoup some of the cost.
    I use Castrol in all my cars. 95 Mustang- 240,000 miles origional motor, 99 Suburban- 250,000 miles origional motor, 89 toyota- changed the motor at 310,000 miles but not because or a worn out motor. For what ever reason it burnt a vlv and a getting a used freshly rebuilt motor was the same proce as rebuilding my head.
     
  8. Michael Plummer

    Michael Plummer Active Member

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    300,000+ miles and Amsoil 10W30 and don't forget a quality oil filter too.
     
  9. 4.6Stangrage

    4.6Stangrage Member

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    Thinking about using Royal Purple Oil 5w20 Plus Motorcraft filter in my '01 cobra 131k, BBK CAI, Magnaflow catback, MSD coils with a BAMA tune. Sounds solid or should I use a different filter.
     
  10. 96blak54

    96blak54 Legend

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    Sounds solid.