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Thread: Ignition coil specs required - 22RE / 21RC / similar electronic ignition

  1. #1
    MR 18RG Chief Engine Builder The Witzl's Avatar
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    Default Ignition coil specs required - 22RE / 21RC / similar electronic ignition

    I need the specs from the ignition coil on a 22RE or similar engine that has mechanical advance electronic ignition.

    A toyota engine service/repair manual will have these in the ignition section.

    I particular, i need:
    • resistance
    • inductance

    thanks for any help anyone can give.
    ...... butt scratcher?!


  2. #2
    Rest in Peace Conversion King ViPeR_NiPPleX's Avatar
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    Default Re: Ignition coil specs required - 22RE / 21RC / similar electronic ignition

    I'll take my stocko ra60 coil into work tomorrow and get back to ya Not too many people I would imagine have the meter to read inductance.

  3. #3
    Normally Aspirated Domestic Engineer RT104GT's Avatar
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    Default Re: Ignition coil specs required - 22RE / 21RC / similar electronic ignition

    Quote Originally Posted by The Witzl
    I need the specs from the ignition coil on a 22RE or similar engine that has mechanical advance electronic ignition.

    A toyota engine service/repair manual will have these in the ignition section.

    I particular, i need:
    • resistance
    • inductance

    thanks for any help anyone can give.

    hey Wizz..

    2 ohms dc resistance and approx 7 milliHenries PRIMARY . OK

    Do U want secondary readings as well?

    OUCH

    Steve
    1968 RT40S Corona 1600S series II (restore in progress)
    1973 RT104-MQFG 012604 Corona GT JDM (Owned since 1976 242000 km)
    1989 ST185-BLMVZ-0007199 Celica GT4 JDM (unmolested classic 95000 km)
    2012 ZN-6 86GT (shed find 5000 km in 6 years)

  4. #4
    Junior Member Grease Monkey ra65's Avatar
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    Default Re: Ignition coil specs required - 22RE / 21RC / similar electronic ignition

    4ac (as per manual)

    Primary
    0.52 - 0.63

    Secondary
    5500 - 7500

    22re (as per manual)

    Primary
    0.8 - 1.1

    Secondary
    10.7K - 14.5K

  5. #5
    Rest in Peace Conversion King ViPeR_NiPPleX's Avatar
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    Default Re: Ignition coil specs required - 22RE / 21RC / similar electronic ignition

    Quote Originally Posted by RT104GT
    hey Wizz..

    2 ohms dc resistance and approx 7 milliHenries PRIMARY . OK

    Do U want secondary readings as well?

    OUCH

    Steve
    lol, nice Steve

    ...I forgot to take the coil with me to work yesterday

  6. #6
    MR 18RG Chief Engine Builder The Witzl's Avatar
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    Default Re: Ignition coil specs required - 22RE / 21RC / similar electronic ignition

    nah primary readings are good - thanks Steve.

    and thanks everyone for their help.
    ...... butt scratcher?!


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