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Rpm settings

This is a discussion on Rpm settings within the Computer & Tuning forums, part of the LSx Technical Help Section category; I have a 04 a4 and iam wondering how high can i go on the rpm before i start to ...

  1. #1
    Member ledesma54's Avatar
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    Red
    04 GTO

    Rpm settings

    I have a 04 a4 and iam wondering how high can i go on the rpm before i start to lose power and it starts to go down on the power band.

  2. #2
    Junior Member Khaotic's Avatar
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    2000 SS Camaro

    Cam

    About 5200 to 5500 it starts to flatten out. On a stock engine

  3. #3
    Member ledesma54's Avatar
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    04 GTO

    Okay i have Lt headers no cats 1 chamber flows, CAI, 160 Thermi, Ported Throttle Bodie, 3500 Stall, BRM Drag Bags, Free Mods. Right know i have them set at about 6600 is that to high or what.
    Last edited by ledesma54; 07-22-2008 at 06:46 PM.

  4. #4
    Junior Member Khaotic's Avatar
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    Red
    2000 SS Camaro

    Quote Originally Posted by ledesma54 View Post
    Okay i have Lt headers no cats 1 chamber flows, CAI, 160 Thermi, Ported Throttle Bodie, 3500 Stall, BRM Drag Bags, Free Mods. Right know i have them set at about 6600 is that to high or what.
    I would set it at 6100 you want to go about 400 above peak to stay within the powerband, also I would get rid of that 160 thermistat and go back with a 180 nothing less your loosing thermal efficancy.

    Most current OEm systens are thermostatically controlled to about 200 degree F to allow for ideal combustion and emissions. I know you dont have cats but still temps are needed in these engines.

    Typically a 20 degree drop to about 180 degress f nets cooler chamber temps and allows those few extra degrees of spark advance that make more horsepower. EFI systems allow for enrichment and added idle speed based at cold temps.

    Going too cool on the thermostat opening tmeperature can keep many OEM processors in the warm up routine skewing targeted fuel delivery and idle speed.

  5. #5
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    I believe if you look at actual temps they're closer to 170-180 anyhow.

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