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I recently strapped the test Fiesta down for some more testing of the Fiesta Flash Tune. Since adding more hardware, that now classifies us as “Stage 2”, it was only right to get some comparison runs! All vehicle modifications are listed at the bottom of this post.
For the first comparison, I wanted to see what kind of gains the Dizzy Tuning Stage 2 Flash Tune has over the Cobb OTS Stage 2 Tune. The results are very similar to our Stage 1 test results. Most of the power (roughly 25whp) is gained between 3,000-5,000 RPM, and then gains turn minimal in the upper revs. This was expected with the small frame of the stock turbo.
Our next comparison was with the Cobb OTS Stage 3 Tune. A full exhaust is recommended by Cobb, but I have been reading a lot on social media of guys running this map, and not having the full exhaust. So I wanted to see what kind of gains can be had (if any), and how a vehicle without the recommended full exhaust responded. From the data gathered (and this could be a separate topic to discuss in the future), there were more negative corrections than I would have liked to see. So only two pulls were made. I strongly urge anyone running the OTS Stage 3 Tune (without a full exhaust), to consider going back to the OTS Stage 2 map. Or purchase a Stage 2 Dizzy Flash Tune and get even more power than your OTS Stage 3!
All in all, the Fiesta Flash Tune puts down some consistent reliable power, and gains can be expected through the whole rev range. I’m very happy to see that my time and effort put into developing this tune, is giving back some solid data to back it up!
Test vehicle:
2016 Fiesta ST
Cobb drop in filter
Mishimoto induction hose
NGK 6510 spark plugs
Depo FMIC
Cobb charge pipes
Symposer delete
For the first comparison, I wanted to see what kind of gains the Dizzy Tuning Stage 2 Flash Tune has over the Cobb OTS Stage 2 Tune. The results are very similar to our Stage 1 test results. Most of the power (roughly 25whp) is gained between 3,000-5,000 RPM, and then gains turn minimal in the upper revs. This was expected with the small frame of the stock turbo.
Our next comparison was with the Cobb OTS Stage 3 Tune. A full exhaust is recommended by Cobb, but I have been reading a lot on social media of guys running this map, and not having the full exhaust. So I wanted to see what kind of gains can be had (if any), and how a vehicle without the recommended full exhaust responded. From the data gathered (and this could be a separate topic to discuss in the future), there were more negative corrections than I would have liked to see. So only two pulls were made. I strongly urge anyone running the OTS Stage 3 Tune (without a full exhaust), to consider going back to the OTS Stage 2 map. Or purchase a Stage 2 Dizzy Flash Tune and get even more power than your OTS Stage 3!
All in all, the Fiesta Flash Tune puts down some consistent reliable power, and gains can be expected through the whole rev range. I’m very happy to see that my time and effort put into developing this tune, is giving back some solid data to back it up!
Test vehicle:
2016 Fiesta ST
Cobb drop in filter
Mishimoto induction hose
NGK 6510 spark plugs
Depo FMIC
Cobb charge pipes
Symposer delete
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