im going to be buying a used x3 tuner for my cobra. i have basic bolt ons. cai, ported tb, 1/2 intake spacer, u/d pulleys, o/r x and a 3" catback. just wondering if i should be expection a decent gain. also, since im buying it used do i have to pay to get the custom tunes?
you feel a difference when you installed your custom tune?
- Thread starter devin_svt
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Unless the tunes are for your computer code you'll need to buy new tunes.
Most handhelds come with "canned" tunes. However, since our motors can add/remove timing on their own with the knock sensors, there's not a lot of power to be had on a relatively stock engine with a "canned" tune. You may see 5hp-10hp if you can consistently get 93 octane. That's about it. Same goes for custom tuning at that modification level. A good tuner might get better driveability out of your car, but likely won't get more power.
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