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  • what is the best oil grade to use for our cars

    i am using castrol 20W - 50. Is that alright. it is rarely cold in texas.

    [ April 03, 2003: Message edited by: marcus_3050 ]</p>
    1998 Onyx Black Camaro A4 2.75\" Custom Flomaster Catback, Removed Cat, MTI Lid, Jet Power Programmer, K&N air filter, 1LE aluminum driveshaft, maf screen removed.

  • #2
    10w30...20w/50 isnt needed unless its starting to burn oil...plus you'll be giving up a tiny bit of HP cuz its a lot thicker than 10w30
    <b>Black</b> 1998 Pontiac <i>Firebird</i> A-4 swap<br />271.4rwhp/259.4rwtq NA<br />13.30@102.44 <br /><a href=\"http://www.freewebs.com/wickedsix98\" target=\"_blank\">www.freewebs.com/wickedsix98</a>

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    • #3
      5W-30 or 10W-30, no thicker than 10W-40.

      You need nothing more than 10W-30 for all year protection, and yes there is a such thing as too thick and too thin of an oil.
      2002 5-spd NBM Camaro
      Details: www.1lev6.com

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      • #4
        Whoa, I would never use 20-50 unless I burning oil. Just use 10-30. Thats what is recommended for the 3.8.
        1999 Pewter Camaro M5<br />Y87 Performance Package, Sport Appearance Package, Diamond Clears<br />Factory SS Hood, Free Ram Air Mod, Whisper Lid w/ K&N Air Filter<br />CarSound Cat 94009, B&B Tri-Flo w/ Quad Tips<br />BMR SFC, BMR STB, KVR Blank Rotors, Hawk HPS Pads<br />Black Painted Calipers w/ CAMARO Decal, 245/50 Dunlop SP Sport 5000<br />20% Rear 35% Side Tint, Red Reflective Inlays, Invincishield<br /><b>Young girls avert their eyes, weak men tremble, Ford dealers faint.</b>

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        • #5
          WOW! [img]graemlins/omg.gif[/img]

          20-50 is to thick for the tolerences built in the motor.

          I wouldn't vary much from 10w-30 (i.e. 5w-30 or 15w-30) [img]graemlins/thumbsup.gif[/img]
          Zobe

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          • #6
            anybody try Royal Puple yet?
            Canadian made metelicGreen 1995 3.4 M5 FireBird<br />mods:(NEW)--&gt;Jetchip stage 2 ,K&N Cold Air Intake DynoMax ExuastCat back oh yea dont have a cat,Underdrive Pullies,headers<br />Next mods:fuc the v6 and get a Lt1

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            • #7
              yesterday i noticed on the filler cap it says "use 10W-30." why where you using 20-50? any special reasons?
              6s.......under the hood or under the belt, they just dont cut it.

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