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  1. 08-26-2011, 02:30 PM #1
    cballweg
    cballweg is offline
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    Red
    1999 Ram Air Trans Am

    Which melling oil pump?10% or 18% more pressure than stock

    I was just wondering which higher pressure oil pump I should use.Both of these have either 10% or 18% over stock LS1.Doing a cam change and i heard I should change oil pump.Thanks
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  2. 08-29-2011, 04:15 PM #2
    BlackSS1
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    Black
    2001 Camaro SS Vert

    More is more with oil pressure...go 18% unless it is cost prohibitive. I used a ported LS6 pump with great results. You should definately replace during the swap since you have to remove it to change the timing chain anyways.
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  3. 08-30-2011, 08:35 AM #3
    DANZ 2002 WS6
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    SILVER
    2002 TRANS AM WS6

    you could as so just port the stock ls1 pump for better flow as well. that will save $
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  4. 08-30-2011, 09:51 AM #4
    SMWS6TA
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    Navy Blue Metallic
    98 T/A w/ mods, 00 FBVert

    98 & 99 oil pumps were know to have issues with the LS1.

    Recommend getting at least LS6 pump. Port & polish is better, Melling is best.
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  5. 09-07-2011, 08:46 AM #5
    camarodude48
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    2001 Z28 Camaro

    just picked up a ls6 oil pump up for my 6.0l build from Texas speed its right for the $$
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