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Fiesta ST Forums
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Transmission & Drivetrain
Forum to discuss all things related to racing clutches, limited slip differentials and all other related drive-train performance.
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R
Sticky
LSD Installation Thread
rodmoe
Apr 26, 2014
5
6
7
8
9
Replies
168
Views
174,387
Apr 9, 2026
sluggyjunx
B
Sticky
Heat Shield PSA
Bizzareo
May 1, 2017
Replies
6
Views
15,748
Aug 6, 2024
Tim_021
R
Sticky
Boomba Racing Shifter Bracket Bushings Install.
rodmoe
Sep 3, 2014
Replies
19
Views
24,899
E
Sep 23, 2022
esp_martin
Sticky
VIDEO: Why your FiST really needs that Rear Motor Mount Upgrade
BlueBomber
Jul 7, 2014
2
3
Replies
42
Views
50,283
Apr 29, 2021
jmrtsus
Sticky
Welcome to the new Fiesta ST Transmission & Drivetrain forum
MKVIIST
Apr 16, 2014
Replies
2
Views
11,014
Apr 16, 2014
MKVIIST
Axle Bracket Bolt Part #
SneakyBobinson
Feb 24, 2025
Replies
8
Views
2,053
K
Yesterday at 10:17 AM
K-Rimes
Clutch pickup point changed?
TheStig
Dec 27, 2016
Replies
13
Views
13,887
F
Thursday at 5:39 PM
Fist2017
B
200,000 car. New RRm lots of noise. Normal??
Blkstripes
Jun 8, 2026
Replies
5
Views
729
Jun 19, 2026
Intuit
Installing a limited slip differential.
maverick1
Jun 13, 2026
Replies
3
Views
510
Jun 19, 2026
Stubborn Approach
Rebuilding the Transmission in my 2014 FiST
sluggyjunx
Nov 16, 2019
Replies
18
Views
13,279
Jun 8, 2026
Capri to ST
P
Strange hook on rear axle
Pandadoo
Apr 28, 2026
2
Replies
23
Views
2,890
Jun 5, 2026
Fusion Works
S
Active Exhaust Actuator issues
Sharky23666
Jun 3, 2026
Replies
1
Views
387
Jun 4, 2026
Toddcam09
L
Are you able to tell if you have an uprated differential through the side of the gearbox
ledzz1000
May 29, 2026
Replies
0
Views
321
L
May 29, 2026
ledzz1000
K
RMM...old COBB vs Powerflex
kaminari
May 21, 2026
Replies
1
Views
632
S
May 21, 2026
Switchback
BG Syncro Shift II changed spec?
foodtruck
Aug 27, 2025
Replies
6
Views
2,399
B
May 7, 2026
BodegaBay
B
Need help WTF
BKS fist
Apr 20, 2026
Replies
1
Views
984
B
Apr 20, 2026
BKS fist
E
Any Ideas on this knocking noise?
Efiesta89
Apr 11, 2026
Replies
17
Views
2,227
E
Apr 17, 2026
Efiesta89
R
Welp didn’t plan on a flywheel when doing the slave
responsibledriver9001
Apr 12, 2026
Replies
3
Views
860
Apr 15, 2026
dhminer
6th gear randomly shifting back between 5th and 6th gear, manual, mk7
Dream Making
Apr 12, 2026
Replies
9
Views
1,277
S
Apr 14, 2026
SteveS
M
Shift issue
Mono
Apr 10, 2026
Replies
3
Views
709
Apr 10, 2026
Grsemky
L
Does my vehicle have a quaife lsd?
ledzz128
Mar 28, 2026
Replies
3
Views
1,089
M
Apr 7, 2026
madhatter
S
Transmission whine?
ST91
Jun 1, 2023
2
Replies
20
Views
8,623
R
Mar 4, 2026
RNOVRIT
P
LSD Questions
Phippy
Oct 17, 2025
2
Replies
31
Views
7,209
Dec 15, 2025
foodtruck
A
SACHS performance clutch option
atlantaM3
Dec 3, 2025
Replies
1
Views
1,352
Dec 3, 2025
ron@whoosh
G
DIY Transmission Mount Insert
gargamel
Nov 25, 2025
Replies
5
Views
1,686
S
Nov 27, 2025
Snrub
ANNOUNCEMENT: The new MFactory VTB LSD
MFactory
Feb 28, 2024
2
3
Replies
48
Views
17,616
Oct 26, 2025
MFactory
P
Clutch Slave Cylinder question
Phippy
Oct 22, 2025
Replies
7
Views
1,870
Oct 23, 2025
TyphoonFiST
G
finally shifts almost as well as my Honda
grey fist
Sep 5, 2021
Replies
19
Views
6,138
G
Oct 22, 2025
grey fist
Microscopic issue that causes a big difference
Blk fiesta st
Oct 19, 2025
Replies
1
Views
893
Oct 19, 2025
Intuit
Clutch to Floor
JAMADOR
Oct 7, 2025
2
Replies
36
Views
5,095
Oct 10, 2025
WolfDampf
installing Colby Transmission soon. Any suggestions with what else to consider?
ronmcdon
Jul 6, 2025
2
3
Replies
43
Views
9,260
Oct 9, 2025
ronmcdon
M
Clutch lower hose hard to install
Markdav
Oct 2, 2025
Replies
3
Views
1,122
Oct 4, 2025
WolfDampf
Anyone on here running whoosh single mass flywheel?
WolfDampf
Sep 3, 2025
2
Replies
28
Views
6,596
Oct 2, 2025
Grsemky
AWR Mount - Reviews?
blongo804
Sep 7, 2017
Replies
16
Views
12,734
F
Sep 26, 2025
Flavio501
Shift linkage experts please weigh in
unspankable
Sep 22, 2025
Replies
4
Views
1,651
Sep 23, 2025
unspankable
E
Shift cable clip broken off, Ford says buy a whole new assembly.
ElliottSith
Feb 3, 2023
Replies
4
Views
10,063
R
Sep 15, 2025
rallytaff
S
What are the best motor mounts to pair with the COBB RMM
Stewwy
Sep 6, 2025
Replies
1
Views
1,184
Sep 7, 2025
WolfDampf
P
PSA - bad diff shims from Ford
pdksk
Aug 28, 2025
Replies
0
Views
975
P
Aug 28, 2025
pdksk
C
RMM blues. CPE rear motor mount availability 3-4 months out
Chaski
Aug 13, 2025
Replies
16
Views
3,242
R
Aug 26, 2025
rallytaff
T
Input shaft snapped/rubbed through on thrust washer after rebuild
ThatMilwaukeeFanboy
Aug 25, 2025
Replies
1
Views
980
T
Aug 25, 2025
ThatMilwaukeeFanboy
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