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Adjusting the Secondaries

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  • Adjusting the Secondaries

    If you find yourself struggling to achieve an IAC Position of 2% at hot idle (I did) you may need to adjust your secondaries. The secondary adjustment screw is under the MAP sensor. The head faces the windshield of the car and requires a small slotted screwdriver. The more I tinker with my Terminator the better it's running!

  • #2
    http://forums.holley.com/showthread....6237#post36237 (Additional Information)

    Adjust them so they're equally open the same, and perform another TPS Autoset. Then make your final idle speed RPM adjustment with the idle speed screw (see link below). Repeat this process a 2nd time if the final idle speed RPM adjustment (with the idle speed screw) differentiates the front & rear throttle blade opening too much (from equal). A slight variation doesn't affect engine driveability. Turn the idle speed screw like a carburetor: http://forums.holley.com/showthread....ents-Read-This (Initial Checks & Adjustments - Read Step #3)
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, forged steel crankshaft & H-beam rods, forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/.623" lift/114° LSA camshaft, TFS R-Series FTI Comp Ported intake, BBK 80mm throttle body, Holley Dominator MPFI & DIS, Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes dual 2.5" exhaust, off-road X-pipe, shorty headers, Earl's -6AN fuel system plumbing, Walbro 255 LPH in-tank pump & Pro-M -6AN hanger, S&W subframe connectors, BMR upper & lower torque box reinforcements, LenTech Strip Terminator wide-ratio Ford AOD, 10" 3000 RPM C6 billet converter, B&M Hammer shifter, Stifflers transmission crossmember & driveshaft safety loop, 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 M/T Street Comp tires.

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