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Thread: Rough idle and hard to start Blown Alky Pro CDI 600.

  1. #1
    Join Date
    Aug 2017

    Default Rough idle and hard to start Blown Alky Pro CDI 600.

    Engine wants to surge at idle, and is hard to start. Kills plugs #1 & #2 on 2-Step after one second. Not sure what I'm missing. Thanks, Jim
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  2. #2
    Join Date
    Dec 2009


    Quote Originally Posted by outlaw68 View Post
    Engine wants to surge at idle... (EFI Idle Tuning Notes)

    ...and is hard to start.
    If you take the time to study this, you'll be a startup tuning expert, and read the "TIP" in post #6: (Good Starting Advice Thread - Especially posts #2, #4 & #6.)

    Kills plugs #1 & #2 on 2-Step after one second.
    Holley EFI goes into Open Loop (no Learning) during the 2-Step Rev Limiter activation, so ensure the Base Fuel Table is well tuned in that area.
    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, 232°-244° duration/.623" lift/114° LSA camshaft, 11.8:1 comp, TFS R-Series FTI ported intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 200A 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/3000 RPM converter, FPP aluminum driveshaft, FPP 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 MT tires.

  3. #3
    Join Date
    Aug 2017


    This is not an EFI.

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