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In this video, i look into checking over a few things before I go any further with tuning the T.I Performance J3 chip.
I had suspicions on the vacuum reading i was seeing on my recently installed vacuum gauge, so I cross check that with a dedicated vacuum test gauge and also confirm there is no vacuum leaks from hoses, loose bolts etc.
I also check the Throttle Position Sensor voltage is reading within spec, and finally set the base ignition timing back to factory spec so I can set the ignition advance using the spark maps in the 'tune'.
With all these things done, i now know everything is where it should be (apart from the actual cam timing... for now), and I can now carry on with the road tuning when the time comes. More to come in the next video!
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