Engine & Performance

Discuss Engine mods, Chips, Filters, etc. here.
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Rough Idle
5 6 7
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65
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131K
steelnewfie
S
stamp11127
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Crank and cam timing
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0
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3K
stamp11127
stamp11127
L
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TSB's lookup
2
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15
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29K
grantpa
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stamp11127
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DIY Smoke Machine
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0
Views
6K
stamp11127
stamp11127
boiler71
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Lightning Supercharger Swap in an '04 Expy write-up
5 6 7
Replies
68
Views
63K
dairyair302
D
R
O2 Sensor Heater Issue All 4 Bad at Once?
2
Replies
19
Views
16K
Logan97
L
A
Broke bolt for coil pack?
2
Replies
17
Views
34K
Hamfisted
Hamfisted
A
bad gas mileage on my expedition
2
Replies
12
Views
17K
rashaunny
R
donl
Electric Fan Install
2
Replies
13
Views
6K
donl
donl
22AMGgt55
HP Increaae, Dramatically.. Chips, larger turbos?? Proven solutions
2
Replies
11
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2K
JasonH
JasonH
J
Garrett Turbos
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6
Views
2K
Silver-Bullet-Bus
S
R
2018 Expedition Platinum Engine Air Filter
Replies
1
Views
550
Tiger Bob
T
J
P0401 HELP
Replies
0
Views
249
jrhoden13
J
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2019 Ford Expedition 3.5L ecoboost ..Any must have upgrades?
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1
Views
1K
JasonH
JasonH
R
Need Help: What is this part on my engine?
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3
Views
348
Ronpurdue
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GDIMammothTank
Procharging the 5.4
Replies
5
Views
1K
kep5niner
kep5niner
mattback
King Ranch - 2020 Exped! How do I get the little extra.
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6
Views
2K
BP 09
B
M
Quick Disconnect Help
Replies
6
Views
701
Montana-TN
M
B
Gearhead newest revisions
Replies
7
Views
2K
BP 09
B
Saundersbronco
P0012 P0016 codes
Replies
1
Views
2K
Rjbeyer
R
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