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To Tune or Not to Tune?

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  • To Tune or Not to Tune?

    I have been going over this in my head for a while now since I recently purchased my new 2012 5.0. By the way I am new here i'll post some pics and stuff when I get it cleaned up and the weather is nice.

    Anyway, I have been trying to decide what is the safest and most effective way to go. I have read over numerous articles / threads where people talk about the idea that mail order tunes are not 100% the best. They can be a bit unsafe because not one car is the same, but on the other hand they can be a bit too conservative to ensure engine life.

    I bought my car for the long haul. I love mustangs and enjoy every driving moment. This is my second mustang GT but my first ever brand new one. I want this thing to last but to also be a streetable beast as well. I don't plan on going crazy with forced induction or nitrous but I foresee myself doing all the bolt-ons to maximize reliable horse power.

    From what I have researched so far a dyno tune is the way to go. It's the best way to maximize power safely. However, what exactly is safe? Also, if I do a dyno tune is it reversible? If I need warranty work and I re-flash the stock tune is it detectable? My main concern is I have this car financed for 6 years and I want to keep it around for hopefully 10+ or more if I can. I want it to be reliable and I also want to keep my warranty around as long as it is still valid with the car. The safest route obviously would be keep the warranty but if a dyno tune isn't completely crazy and relatively safe I want to explore that option as well.

    Thoughts?

  • #2
    Dyno tune would be best for obvious reasons. Bama tunes have good reviews. Though some people have been having cylinder #8 problems with the coyote.

    A few guys on the S197forums have had warranty claims denied because they were running tunes and there are some FoMoCo guys on that board that found the users were running tunes.

    If you care about the warranty I'd suggest getting happy with the stock HP.
    2004 Suzuki DL650
    1996 Hy-Tek Hurricane 103

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    • #3
      My real ultimate concern is the longevity of the motor.

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      • #4
        ford has a tuner with a drop in filter that won't void your warranty
        07 GT500
        05 SRT10
        88 turbocoupe T-bird
        93 Cobra
        86 coupe
        Ducati 848

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        • #5
          Yup it's on the Ford Racing Parts website. Though IIRC it has to be installed by a dealer to keep the Warranty.
          2004 Suzuki DL650
          1996 Hy-Tek Hurricane 103

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          • #6
            I've had a sct tune on my 2011 since 4,500 mile now has 12k on it w/o any problems.

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            • #7
              2004 Suzuki DL650
              1996 Hy-Tek Hurricane 103

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              • #8
                That's actually not a bad price at all for the Ford tuner but I'd image its a pretty conservative tune. Also curious what Ford would change to flash the computer.

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                • #9
                  Originally posted by Dan12gt View Post
                  I have been going over this in my head for a while now since I recently purchased my new 2012 5.0. By the way I am new here i'll post some pics and stuff when I get it cleaned up and the weather is nice.

                  Anyway, I have been trying to decide what is the safest and most effective way to go. I have read over numerous articles / threads where people talk about the idea that mail order tunes are not 100% the best. They can be a bit unsafe because not one car is the same, but on the other hand they can be a bit too conservative to ensure engine life.

                  I bought my car for the long haul. I love mustangs and enjoy every driving moment. This is my second mustang GT but my first ever brand new one. I want this thing to last but to also be a streetable beast as well. I don't plan on going crazy with forced induction or nitrous but I foresee myself doing all the bolt-ons to maximize reliable horse power.

                  From what I have researched so far a dyno tune is the way to go. It's the best way to maximize power safely. However, what exactly is safe? Also, if I do a dyno tune is it reversible? If I need warranty work and I re-flash the stock tune is it detectable? My main concern is I have this car financed for 6 years and I want to keep it around for hopefully 10+ or more if I can. I want it to be reliable and I also want to keep my warranty around as long as it is still valid with the car. The safest route obviously would be keep the warranty but if a dyno tune isn't completely crazy and relatively safe I want to explore that option as well.

                  Thoughts?
                  you need to check out Ford TSB 11-7-7 before you add any kind of tune.
                  2011 Mustang GT
                  sigpic

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                  • #10
                    No tune here. I will eventually, but I haven't had much problem keeping up with tuned cars on the street. On the highway is a little different though, it's kinda hard for clean driving to make up for ~50rwhp.
                    When the government pays, the government controls.

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                    • #11
                      Buy a replacement computer. Remove your original and put it on the shelf. Tune the replacement.

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                      • #12
                        Originally posted by Snatch Napkin View Post
                        Buy a replacement computer. Remove your original and put it on the shelf. Tune the replacement.
                        the ECM doesn't store mileage and a key count?
                        http://www.truthcontest.com/entries/...iversal-truth/

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                        • #13
                          Originally posted by Cooter View Post
                          the ECM doesn't store mileage and a key count?
                          buy one of those stand alone harness and pcm's for the coyote swaps!

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                          • #14
                            Originally posted by dville_gt View Post
                            buy one of those stand alone harness and pcm's for the coyote swaps!
                            sounds easy... you gonna get a spare cluster too so that the mileage matches the mileage on the ECM?
                            http://www.truthcontest.com/entries/...iversal-truth/

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                            • #15
                              Originally posted by Cooter View Post
                              sounds easy... you gonna get a spare cluster too so that the mileage matches the mileage on the ECM?
                              i was kidding, but you could always just throw in a tach/oil pressure/coolant temp in a plastic cluster and just swap it out if you have to go to warranty!

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