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  1. S

    Safe RPM limit for stock valvetrain?

    Is 6600 safe for an otherwise stock 4.6? I noticed that the dyno sheet for Evolution's custom tune showed that the new, higher power peak occured at 6600 RPM. That seems pretty lofty to me, especially considering that I would hate to try to make a warranty claim if I bent a valve... Any...
  2. S

    Torque management disable.

    Any way to defeat the dreaded torque management without a tune? I just want to wake my car up a bit. I'll never take it to the dragstrip, so I don't need the extra 20 hp. I'd dig the 20 hp, but I don't want to spend $400 for it.
  3. S

    Any forum members in the Twin Cities?

    Let me know. Thanks.
  4. S

    Which mufflers have the least drone?

    Which mufflers best control the drone? Besides the stockers, of course. Gonna order some soon.
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