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  • Built motor people I have a question

    What kind of oil pressure do you all have?? My mods are in my sig.. When I start the car up it idles at 60-65psi.. When I drive it around it is around 70psi and at W/O throttle its at 80-85psi.. Now the thing I am noticing is that when I drive around and come to a light, with the car sitting idleing at operating temp my oil pressure falls to 45-50psi.. I give it a little gas and it goes to 60-65psi but when the Rpms drop back down to 800rpms it goes back to 45-50 psi.. Is it that I am thinking about my motor being messed up to much, because 50psi is still good oil pressure at a idle or is there something wrong with this picture cause on my stock motor it never went below 60 psi.. I do have a pretty big cam and also a oil pressure booster washer.. [img]graemlins/popcorn.gif[/img]
    Jeff ..
    1998 Firebird.. Built 3.8 with a 125 shot.. 370rwhp,415rwtq.. stock tune!! sold

    2002 WS6 T/A.. Bolt ins..448rwhp
    2009 G8 GT.. Vararam intake, GXP axleback
    1998 Corvette.. Vararam intake, Ti axleback
    http://www.fquick.com/slow-v6

  • #2
    45-50 psi at a warm idle is nothing to be alarmed about. As long as the pressure goes up as soon as the revs start to climb you shouldn't have any trouble.

    - Justin
    <a href=\"http://www.njfboa.org\" target=\"_blank\">New Jersey F-Body Owners Association</a><br />1987 Camaro LT - 400sbc, Aluminum L98\'s w/valve job, Comp XE 274, Q-Junk 750, 3.23 posi, 4.10\'s soon.<br /><br /><a href=\"http://www.njfboa.org/forums/viewforum.php?f=11\" target=\"_blank\">East Coast F-Body Nationals - August 14, 2005</a>

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    • #3
      I think mine is close to those numbers. So I would say it is normal.
      08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
      96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine

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      • #4
        my stock motor is almost identical to those numbers
        1994 white Firebird M5<br />Flowmasters, CAI, 3.73s, LSD, coated pacesetters, eibach pro-kit, bilsteins, hurst shifter, JVC stereo, 18\" C5 vette wheels, Kuhmo Ecsta ASX rubber<br /><br /> <a href=\"http://www.cardomain.com/memberpage/744299\" target=\"_blank\">http://www.cardomain.com/memberpage/744299</a> <br /><br />Coming Soon: Turbo!

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        • #5
          Cool thanks for the replies.. I couldnt remember how my stock motors were so I was kinda getting worried..
          Jeff ..
          1998 Firebird.. Built 3.8 with a 125 shot.. 370rwhp,415rwtq.. stock tune!! sold

          2002 WS6 T/A.. Bolt ins..448rwhp
          2009 G8 GT.. Vararam intake, GXP axleback
          1998 Corvette.. Vararam intake, Ti axleback
          http://www.fquick.com/slow-v6

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          • #6
            Mine was doing the same thing, but I cleaned the pick-up screen when I changed out the oil pan gasket two weeks ago and it pretty much stays up around 70psi, up a little / down a little but doesn't drop that low any more. BUT, 50 still isn't an issue.

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            • #7
              Try 30 PSI at idle and 45 at WOT...

              and still no performance loss...
              1997 Camaro RS W/T-Tops<br />All Stock / 200 HP

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              • #8
                There might not be a performance loss, but is there a premature wear issue going on that you're not aware of. I'd be worried about not enough oil getting to the top of the motor at WOT.

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