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Thread: 4AGE Knock Sensor placement

  1. #1
    Member
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    George
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    Default 4AGE Knock Sensor placement

    Hi there; hoping someone can help me out with a query.


    I am planning to re-rebuild my Bluetop / Bigport with high-comp pistons (looking at 12:1 Spool kit).


    I want to run a knock sensor but while my block is a 7-rib (42mm journals) it is an early version and as such does not have a raised boss+tapped hole between bores 2 & 3; which is the standard mount pt for the OEM knock sensor.


    It does however have a raised boss between bores 1 & 2. Would an OEM GZE / AE111 type sensor mounted here give accurate readings?

    I have also heard that more modern screw-through type sensors as-per an SR20 unit may work better in non-std locations due to better microphone. . .

    Comments?

  2. #2
    Noooob
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    Matt
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    Default

    It's easiest to find a 7rib block that supports the knock sensor
    Ae86 Drivingclub - Toyota AE86 Car Club where AE86 | KE70 | Toyota 86 / GT86 | Subaru BRZ | Scion FRS owners

  3. #3
    Veteran LittleRedSpirit's Avatar
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    Default

    Yes maybe look for another block so you can build a bottom end while you keep the car on the road.






  4. #4
    Veteran Jimmee1990's Avatar
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    Default

    Pretty easy to weld a nut to the side of the block prior to boring and honing, I've done so several times in the past if you can't come across a good spare block.

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