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LT4 Knock Module

This is a discussion on LT4 Knock Module within the LT1 forums, part of the Vehicle Specific category; What exactly does it do? I will be building my motor pretty soon (forged 355 H/C/I) Worth getting? Any benefits?...

  1. #1
    Rice Killa JwMonE99's Avatar
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    96 Z28 M6

    LT4 Knock Module

    What exactly does it do?
    I will be building my motor pretty soon (forged 355 H/C/I)
    Worth getting? Any benefits?

  2. #2
    Senior Member 5.0THIS's Avatar
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    It is simply a less sensitive knock sensor than the factory LT1 unit. When the car detects knock (via the knock sensor) it retards timing and you lose power. SOmetimes though you can have false knock, which is picked up by the sensor as spark knock, when in fact it is just excess noise from exhaust, valvetrain, etc. The LT4 reduces the amount of false knock picked up. If you're not getting any knock though, the LT4 sensor will do nothing for you.

  3. #3
    Rice Killa JwMonE99's Avatar
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    96 Z28 M6

    How can I tell if im getting a knock?


    300RWHP, 341RWTQ
    1/8 mile 8.32 at 83.97
    1/4 mile 13.049 at 105.24

  4. #4
    Senior Member 5.0THIS's Avatar
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    scan the car

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