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Questions regarding SCT Eliminator Chip and SF3/X3

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Old 01-19-2012, 01:12 PM   #1
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Vehicle: 1999 GT
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Default Questions regarding SCT Eliminator Chip and SF3/X3

Hey all, I currently drive a 1999 GT with some mods. Ive been dying to get a tuner for the car but had a few questions before I go ordering.

My car currently has an off-road x pipe, and catback, and a set of wider tires. Now the previous owner had the car tuned out at Collingdale Performance, the shift points were firmed up, and had CEL's shut off etc etc but wasnt tuned for true performance basically.

My question is, if I buy a handheld tuner or chip, will it interfere with my current tune or will it just override it with the custom one I order?

And finally, my biggest question is, whats the difference between the SCT 4-Bank Eliminator Chip and the SF3/X3 besides the fact that the SF3 is an actual handheld device? Will I have that much more benefit with the SF3 over the chip? Are the tunes and power gains identical?

Any help deciding on one of the two or answers to my other questions would be greatly appreciated. Thanks in advance!
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Old 01-19-2012, 01:43 PM   #2
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Vehicle: 06 Mustang GT and 04 Mustang V6
Location: Ohio
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A new tune will override your current tune you have on the car. I can't say much for the 4 Bank Eliminator as I haven't used that one but I've used the SCT X3/SF3 tuners extensively, both on my cars and friends.

The biggest difference between the two though is the SF3 unit will upload by being plugged into your OBII port and uploading the tune, but then once it's uploaded, you unplug it. The flip chip stays installed and I "think" has to be soldered into place? I could be wrong on that.

And the SCT flip chip and X3 is merely the METHOD of how a tune is uploaded to your car, how well the car runs is entirely dependant on who WRITES the tune that's uploaded.

Trust that helps, let me know any questions and I'll see if I can help. :-)
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Old 01-20-2012, 06:04 PM   #3
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Vehicle: 1999 GT
Location: Philadelphia, PA
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Thanks a lot for such a quick reply! Sorry I've been busy I haven't had much time yesterday to reply, but you just about cleared up all of my questions! Very much appreciated man.

As far as the SCT Chip, can anyone confirm its install? Does it actually need to be soldered to the ECU or is it basically plug and play?
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