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I'm new here, please be gentle

This is a discussion on I'm new here, please be gentle within the New Member Introductions forums, part of the Site Feedback / Administrative Requests category; Hello All, I'm in the final (I hope) stages of a L33 swap into a 2000 Mazda Miata. I'm in ...

  1. #1
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    I'm new here, please be gentle

    Hello All,
    I'm in the final (I hope) stages of a L33 swap into a 2000 Mazda Miata.

    I'm in my 50's and I have been working on my own cars since before I owned one. My Dad didn't love when I worked on his. I had a short stint as a professional mechanic. I'm in the process of learning HPTuners in order to be able to troubleshoot this project.
    Pretty much everything is installed. I working on the final details of the wiring, like speedo and tach. They are evading me so far.
    the biggest challenge I've run into is that it was running, but after working under the dash to get some chassis systems squared away it won't start. The spark is weirdly weak and erratic.
    I have check ground paths and reinforced the engine to body to battery grounds.
    some specifics:
    OEM GM computer using HPTuners. VATTS (sp?) is disabled.
    stock truck coils, stock throttle body and new stock injectors (using LS6 fuel rail) with a Dorman 615-900 intake.
    PCM has been bench tuned to run.
    F-body LS T-56 into a GETRAG 3.42

    I'm baffled. I'm open to any suggestions.
    Thanks
    Attached Thumbnails Attached Thumbnails img_1144-1-.jpg  

  2. #2
    Super Moderator pajeff02's Avatar
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    Black & Blue
    '02 WS.6 / '07 Suburban

    Check the plug wires -- remove and reinstall each wire. You should hear/feel two (2) distinct "clicks" at the coil pack and one (1) distinct "click" at the plug. I agree that you could have a ground issue -- there are a couple of ground connections on a stock engine/harness that you may simply be missing and that a direct engine to chassis ground connection will not cure.

  3. #3
    She Moderator KahanaReef's Avatar
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    Arctic White
    2000 Camaro Z28

    Welcome to site!

  4. #4
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    Thanks for the reply

    Quote Originally Posted by pajeff02 View Post
    Check the plug wires -- remove and reinstall each wire. You should hear/feel two (2) distinct "clicks" at the coil pack and one (1) distinct "click" at the plug. I agree that you could have a ground issue -- there are a couple of ground connections on a stock engine/harness that you may simply be missing and that a direct engine to chassis ground connection will not cure.
    Thank you for the information and for the welcome(s) to the group.
    I'll check the plug wires. I haven't deliberately paid attention to that.

    I'll report back if that is the problem. Wouldn't that be simple!

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