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IGN-1A Race Coil

$67.00

In stock (can be backordered)

Description

Looking for a high powered ignition system? The IGN-1A Race Coil is designed to put out 103 mJ per spark, with a longer spark duration (2.9 ms) than what you’d see with a capacitive discharge.

IGN-1A Race Coils feature a built-in 19 amp IGBT ignitor and can be driven with any 5 volt logic level output and can be fired sequentially or every crank revolution (wasted spark/ coil per plug).  Maximum recommended duty cycle is 40%.

Plugs are sold separately.  We offer either a 4 foot long flying lead pigtail or a pin and connector kit.    

Connector pinout:

A – Ignition signal from ECU
B – Logic ground, connect to ECU ground
C – Spark wire ground, connect to cylinder head
D – Power ground, connect to battery negative
E – 12 volt power

The coil dwell starts when a 5 volt signal is applied to pin A and the coil fires when the voltage drops to zero. The signal is similar to an LSx coil, although it does need a bit more current to trigger.

Coil specs:

Minimum voltage output (no load, at recommended dwell): 40,000 volts
Output energy: 103 mJ
Spark duration: 2.9 ms
Primary resistance: 0.5 ohms (not directly measurable)
Primary inductance: 4.8 mH (not directly measurable)
Secondary resistance: 8,500 ohms
Secondary inductance: 22.5 H
Turns ratio: 71.1
Maximum current: 19 amps
Maximum battery voltage: 17 volts
Nominal dwell: 3.0 ms

IGN-1A Race Coils are very solid, robust coils that will do well for you if dwell is set up correctly. Excessive dwell or duty cycle may cause meltdown.  As with any race coil, the manufacturer does not provide a warranty.

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What is the pinout for this coil?

  • Here is the connector pinout:

A – Ignition signal from ECU
B – Logic ground, connect to ECU sensor ground
C – Spark wire ground, connect to cylinder head
D – Power ground, connect to battery negative
E – 12 volt power

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