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  1. Spike Strip

    1985 FJ60 failed California smog due to high NOx

    That looks like the correct stuff on the down pipe. All I can guess is if that broken check valve part still threads onto it, then they gave you the wrong valve. Will the check-valve that threads onto the Air-Rail work on the pipe to the exhaust ?
  2. Spike Strip

    1985 FJ60 failed California smog due to high NOx

    The AV8 should have the same thread. If the thread on the down-pipe to the exhaust is different, something has been changed. Pix of what you're working with would help. To answer your PM: I don't have any of them left.
  3. Spike Strip

    1985 FJ60 failed California smog due to high NOx

    Should be the exact same valve. M24 x 2.0 pitch
  4. Spike Strip

    1985 FJ60 failed California smog due to high NOx

    Red Circle: A Check valve. A small one. Also: (realize the manual choke cable over-rides this)
  5. Spike Strip

    1985 FJ60 failed California smog due to high NOx

    @RustyAndDusty Where in CA are you ? As stated high NOx is EGR or associated components. The rest of your numbers look pretty good considering the vac tube mess. Also, on the next test, run the gas tank low and use a few gallons of E85 gas, if available. Will lower NOx.
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