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  • GM 3.6L Timing Chain Setup

     Mike updated 3 months ago 1 Member · 1 Post
  • Mike

    Administrator
    April 29, 2021 at 9:19 am

    Ok, the procedure, if you can call of it that, is confusing from GM on timing this engine when installing new chains.

    Here’s what I’ve come up with as a good way to ensure proper timing.

    -Set stage 2 timing, ensuring the cam flats are up on the right bank, and remove the right bank secondary chain and components

    -Set stage 1 timing, ensuring the cam flats are up on the left bank, and remove the primary chain, left secondary chain, and all components.

    ***NOTE*** Do not remove bolts from the guide that is bolted to oil pump. This could damage the oil pump. Simply swap the plastic guide material over from the new guide assembly

    -In stage 1 timing, install a new left secondary chain and components

    -In stage 1 timing, install new primary chain and components

    -Set stage 2 timing and install the right secondary chain

    -Verify ALL links are lining up where they should. Once the engine is spun over it won’t line up again

    -Spin engine over a few times ensuring smooth operation

    ***If you have the cam locking tools***

    -Set stage 1 timing. Cam flats should be up and left bank and diagonal on the right bank. Verify tools fit over both cams

    -Set stage 2 timing. Cam flats should be up on the right bank and diagonal on the left bank. Verify tools fit over both cams

    -Now you can be confident in proper timing

    Job well done!

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