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Thread: Learn Table Verses RPM

  1. #1

    Default Learn Table Verses RPM

    Hello. I have a situation hoping, I can explain it. I'm using a Holley multi-port EFI with a Dominator ECU. After returning for a short drive, I hook up my laptop, scroll to fuel tables to check the Learning which it did. The problem I'm confused with is I only spin the engine RPM to 2500 and below. However, in the Learn it shows it Learned up to 3700 RPM? Is this right or do something need to be adjusted so Learn match engine RPM? My initial timing is set to 25°, which is spot on. Any suggestion would be appreciated.

  2. #2
    Join Date
    Dec 2009


    The Learn function self-tunes (to the Target Air/Fuel Ratio Table via Closed Loop) in a floating 3x3 cell (9 block) pattern. So yes, it's possible you'll get some Learned cells around your datalogged values. (Although that's a lot of RPM variance.)
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

  3. #3
    Join Date
    Nov 2014
    Ont. Canada


    What's his RPM scale in the affected area? Having a tight scale or a wide scale will affect things.

  4. #4


    Agreed, there's probably big jumps in the RPM scaling around there.

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