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  1. #1
    evolution
    Guest

    Default Gear drive and Knock sensors

    I was thinking about being loud and installing a Pete Jackson Noisy. Problem is, as you all probably know, the knock sensor. Now, is there a way to just bypass the knock sensor without adverse effects or should I just stick with a double roller or a "Quiet" type gear drive?

    Actually I just want a supercharger sound.

  2. #2
    evolution
    Guest

    Default

    Geeze... no takers? I would have figured someone would have an idea on this!

  3. #3
    Technical Advisor c4c5specialist's Avatar
    Join Date
    May 2001
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    3,738
    Corvette(s)
    Nope, but someday.

    Default

    Hi there,
    Honestly, there are 2 forms of gear drive available for your L83.
    Quiet, and noisy. If you go for the quiet, you will have no problem.
    Noisy only really give problems, if there is excessive lash, and the cam gears slap together, which can happen from time to time.
    Your knock sensors should be torqued to 14 ft lbs, with a little teflon tape, NOT the sealant form.
    Other than that, you should do fine.
    Allthebest, c4c5
    GM World Class Certified Technician.
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  4. #4
    evolution
    Guest

    Default

    Do the quiets have any sort of whine to them?

    Its like I am painting stripes on my cat and calling him a tiger.

  5. #5
    resto75
    Guest

    Default

    I have a gear drive in my 75 and I can't think of any reason anyone would want one. If I ever have to take it apart the gear drive will be the first to go. I hate the whine.

  6. #6
    evolution
    Guest

    Default

    Would Sir enjoy a little cheese with his whine?


    ...actually, I am hoping it will be a detterent to would-be racers. I would rather psyche them all out before I kill my car trying to beat the off the line. After 97k, methinks I will take it easy on her.... till I get my Z06.

  7. #7
    Technical Advisor c4c5specialist's Avatar
    Join Date
    May 2001
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    New Haven, Ct. USA
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    3,738
    Corvette(s)
    Nope, but someday.

    Default

    Hi there,
    Quiets have a little whine, although, not much compared to the loud versions.
    I would check around for someone that has one.
    Allthebest, c4c5

  8. #8
    evolution
    Guest

    Default

    Danke!

  9. #9
    JAKEJR
    Guest

    Default

    Yep, you can install a resistor in the wiring that leads from the sensor to the module on the passenger side engine compartment. The resistor fools the ECM when it does it's self test into thinking that all is well, but will effectively prevent ignition retard; EVEN IF ACTUAL DETONATION IS PRESENT!

    Gotta use this trick carefully because of the potential of engine damage IF your engine actually begins to detonate.

    I did it to mine early last year and verified that it works by running Diacom to monitor knock counts and timing retard.

    I saved the exact resistor specs somewhere on my harddrive so if you want to tread this path, let me know and I'll try to track them down.

    Also read that there is a way to make the knock sensor less sensitive by using a spark module from a different model GM car. Again, I'd have to research which one to use, but I believe it was from a "G" body.

    Hope this helps.

    Jake

  10. #10
    scorp508
    Guest

    Default

    All this work for a little bit of a wannabe supercharger noise?

  11. #11
    evolution
    Guest

    Default

    Originally posted by scorp508
    All this work for a little bit of a wannabe supercharger noise?
    I know! lol

    Well, I do like the non chain stretch aspect of it to.

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