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Holley Frequently Asked Questions

QUESTION Will the Commander 950 work with my aftermarket ignition?
ANSWER The Commander 950 is compatible with Factory and aftermarket ignitions that produce a coil- or 12 volt square wave tach signal. It can be run with Ford TFI and Late model 7 pin GM HEI for timing control as well as Hall Effect or magnetic pickup crank triggers.
QUESTION Are your injection systems emissions legal?
ANSWER You will need to check local and state emissions regulations. Unfortunately due to the user tuneability of the systems the C.A.R.B. will not issue them an EO#
QUESTION Are any of your systems sequential fire?
ANSWER No, our systems are batch fire.
QUESTION Do you need a laptop to get the engine running?
ANSWER The 2D systems do not require a lap top for engine start up or tuning. All Commander 950 systems will require a lap top PC running windows 95 or higher with a minimum resolution of 600 X 800. The system communicates thru a 9-Pin serial port. If your lap top has USB port only you will need a USB to serial converter.
QUESTION Who do I send my ECU into to have it repaired?
ANSWER Unfortunately we do not offer a repair service for the ECU's. We currently offer replacement ECU assemblies for our current production systems. 2 BBL Analog and 2D replacement Sales # 534-55. Commander 950 ECU replacement Sales # 534-120.
QUESTION Will the Commander 950 work with a wide band O2 sensor?
ANSWER The Commander 950 Pro is compatible with any aftermarket wide band sensor and controller calibrated for a 0-5 volt output. Our part number for the kit is 534-188. If you have a wide band and need the PRO upgrade use Sale # 534-191.
QUESTION Will your system control my factory transmission ABS brakes etc?
ANSWER No, Our EFI systems are designed for engine management only.
QUESTION Will The Commander 950 Work with a Turbo?
ANSWER The Commander 950 is compatible with all types of forced induction up to 3 Bar (29.4 lbs of boost) when used with the proper 2 or 3 bar map sensor. You will need to figure the Injector sizing at a .57 BSFC. If your application requires 6 or 8 low impedance injectors you will need a Auxliary injector driver box. Sales # 534-122.
QUESTION Will the Commander 950 plug into my factory wiring harness?
ANSWER Unfortunately no, All of our systems utilize a stand alone harness.

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