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Thread: Testing the VVT tables on dyno???

  1. #1
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    Testing the VVT tables on dyno???

    What will they help on, I try half the timing table to zero them and truck doing the same power on a stage 2 cam from TSP.

  2. #2
    Senior Tuner SultanHassanMasTuning's Avatar
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    i would zero it would and take a hit then retard
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  3. #3
    Depends on the cam phaser limiter if it is a 0 degree lockout then playing with vvt will not help.
    Log actual intake cam angle.

  4. #4
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    Quote Originally Posted by SultanHassanMasTuning View Post
    i would zero it would and take a hit then retard
    I have never retard it and test it.

  5. #5
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    What will the actual intake cam angle log have to read?

    So If the phaser limiter it’s installed on another degree will it gain power?

  6. #6
    If a zero degree cam phaser ( lockout) is installed the actual intake cam angle will read zero at WOT.

    If you have freedom to play with vvt start with zeros in the table then try to retard 2 degrees at a time until you reach the best airflow.

  7. #7
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    So at zero degrees I won’t see nothing?
    I’ll have to try it, its there a possibility something goes wrong it it’s to much retard on timing playing with the VVT tables?

  8. #8
    They phaser limits the amount of retard. If you installed the phaser limiter kit you are ok, if you didn’t then you can have issues. I played around with it and you will get an error code and go into limp mode if it’s retarded too much.

  9. #9
    Tuner Camaro6's Avatar
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    N/A no VVT down low is best. S/C I found no vvt at all is best for power gains
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