Performance Tuning

Forum to discuss all things related to adding performance tunes to the Ford Fiesta ST.
BoostBumps
  • Poll
  • Sticky
POLL: What Tune are you using on your Fiesta ST?
11 12 13 14 15
Replies
293
Views
138,135
R
rallytaff
R
  • Sticky
Virtual Dyno Results Thread
12 13 14 15 16
Replies
316
Views
152,146
J
Jason@dizzytuning
frankiefiesta
  • Sticky
The ULTIMATE Dyno / V-Dyno Thread
2 3 4
Replies
61
Views
58,096
TyphoonFiST
TyphoonFiST
BoostBumps
  • Sticky
COBB AccessPort FAQ and Info Thread
Replies
15
Views
19,956
wroughtirony
wroughtirony
koozy
  • Sticky
Running FiST with E85 Blends - Discussion Thread
12 13 14 15 16
Replies
308
Views
139,207
Frisk
Frisk
R
California Smog and Stratified Tune
Replies
3
Views
800
R
RBYM
R
Dizzy Tuning Questions
Replies
11
Views
898
Grsemky
Grsemky
dyn085
Self-Tuning to ease the boredom.
2 3 4 5
Replies
88
Views
36,830
Grsemky
Grsemky
Ryry01
Data logs stage 2 fiesta st180
Replies
0
Views
455
Ryry01
Ryry01
G
Sacramento area ford tuner?
Replies
2
Views
1,617
S
smalltraveler
Tim_021
Custom engine build tune suggestions.
Replies
4
Views
1,774
Tim_021
Tim_021
Karl038
Upgraded engine mounts yay or nay and also springs versus coilovers?
Replies
9
Views
1,903
Scootny
Scootny
F
Aftermarket radiator Temperatures
Replies
6
Views
1,210
Capri to ST
Capri to ST
D
PumaSpeed Stage 3 vs Airtec Stage 3 Induction Kits
Replies
4
Views
2,516
XR650R
XR650R
Ganjie
Just added a 2jr intake
Replies
0
Views
575
Ganjie
Ganjie
AmosJ
Spark Plugs - Which is best?
Replies
6
Views
4,009
TyphoonFiST
TyphoonFiST
M
Stage 2 questions, what do i need?
Replies
13
Views
8,909
TyphoonFiST
TyphoonFiST
S
Boost flactuates at high rpm
Replies
3
Views
1,242
TyphoonFiST
TyphoonFiST
Stkid93
Air density correction factor vs power.
Replies
9
Views
2,448
W
Williamad33
C
High misfire count with no symptoms
Replies
0
Views
521
C
cometboyz
Benji85
Engine mount confusion
Replies
1
Views
873
WolfDampf
WolfDampf
TyphoonFiST
False knock....where to look?
2 3
Replies
51
Views
16,444
J
J031k
Plisky
Trying to diagnose excessive negative corrections
Replies
15
Views
2,728
B
babydiego
Yelbom15
Data Logging in Heat
Replies
1
Views
989
Dialcaliper
Dialcaliper
M
Trs stage 1
Replies
1
Views
1,016
M-Sport fan
M-Sport fan
T
Engine cutting off when accelerating hard.
Replies
17
Views
11,974
C
Cyraith
TemecFist
Please delete
Replies
8
Views
2,471
Intuit
Intuit
rotation_nation
Mountune 93 Tune - Remarkably Impressive (Data Inside w/Comparisons to Other Tunes)
2
Replies
39
Views
6,714
Jaytsvet
Jaytsvet
Stkid93
Daily driving hybrid/s280 turbo fists
Replies
19
Views
4,798
Zeille
Zeille
H
Pro tune
Replies
0
Views
647
H
HatedST
Grey42
Am i screwed completely or is there hope with my AP
Replies
4
Views
1,468
XR650R
XR650R
ConnorFist18
Fiesta st boost
Replies
10
Views
2,719
STRemy
STRemy
C
Tune HP Differences
Replies
1
Views
1,176
dhminer
dhminer
Knightwind
Remap done by Autotune!
Replies
1
Views
1,273
WolfDampf
WolfDampf
Jadar
How Necessary is a Rear Motor Mount?
2 3 4
Replies
68
Views
30,886
D
dailowill
S
2017 FieSTa Stock accessport?
Replies
1
Views
842
D
dailowill
pixelzombie
How many of you switch to an 87 octane tune during the winter months?
Replies
9
Views
2,607
Intuit
Intuit
F
Can I run Cobb Stage 1 while completely stock?
Replies
6
Views
4,819
Cneu
Cneu
B
COBB Tuning Help
Replies
5
Views
6,856
dhminer
dhminer
T
TS IWG on S 280
Replies
6
Views
1,585
ron@whoosh
ron@whoosh
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