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Ford F150 Forum - Community of Ford Truck Fans
Late Model F150s
Engine / Drivetrain Talk
6 Cylinder Engines
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Sub-Forums:
6 Cylinder Engines
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3.5L EcoBoost Engine
Discuss the 3.5L EcoBoost engine.
2017 3.5L EB Oil Preference
by
3gdwrench
May 7, 2026
01:30 AM
322
2,703
3.7L
Discuss the new 3.7L V6.
Fuel Injector R&R
by
ErikH
Jun 18, 2024
11:41 AM
26
167
4.2L
Discuss the tried and true 4.2L.
4.2 Takes 6 Quarts But Shows...
by
retmotor
Oct 26, 2025
09:01 PM
284
1,501
2.7L EcoBoost Engine
Am I dreaming?! 30 MPG+...
by
rantruth
May 21, 2026
12:54 AM
35
170
3.0L Power Stroke Diesel Engine
Another newbie question...
by
Texas Confederate
Sep 13, 2025
08:14 PM
17
97
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4.9L and transmission combos:
Red4.9L
on Mar 5, 2012
Apr 5, 2012
11:21 PM
by
thelastf100
1
4,997
cammed v6
golliwong
on Mar 28, 2012
Apr 5, 2012
06:17 PM
by
cubapnea
2
1,997
Oil Pan Removal 83 F-100
HeyMike
on Mar 6, 2012
Apr 5, 2012
01:56 PM
by
thelastf100
1
2,637
truck won't start all the time
rtread7
on Mar 22, 2012
Mar 22, 2012
12:49 PM
by
rtread7
0
1,178
still need help
northwestern
on Mar 17, 2012
Mar 18, 2012
09:49 AM
by
Good old Bill
2
862
swap 4.2 with 3.5tt
bates37355
on Mar 18, 2012
Mar 18, 2012
04:53 AM
by
bates37355
0
1,166
Loose rocker arms?
BC9177
on Mar 11, 2012
Mar 11, 2012
09:44 PM
by
BC9177
0
1,897
Rough idle/start when engine is hot
cvsting
on Jan 31, 2012
Mar 11, 2012
07:41 PM
by
cvsting
1
2,838
Hard to put in gear
Fordman4713
on Mar 6, 2012
Mar 11, 2012
01:13 PM
by
Fordman4713
3
1,579
Hydraulic valve clearance adjustment-4.9L engine
BC9177
on Feb 28, 2012
Mar 10, 2012
05:40 PM
by
BC9177
2
7,855
slant 6?
77-F150
on Mar 5, 2012
Mar 10, 2012
08:38 AM
by
Tote-M-Pole
1
2,163
stalls on reverse and lower foward gears any ideas? 4 codes
Devastator87
on Feb 11, 2012
Feb 26, 2012
07:16 PM
by
Devastator87
3
1,913
jet performance module 4.9
wwerner
on Feb 25, 2012
Feb 25, 2012
05:17 PM
by
wwerner
0
1,450
Rough Ride
paulbattard
on Feb 16, 2012
Feb 24, 2012
07:36 AM
by
redmanrr
5
1,384
loss of back pressure with aftermarket exhaust on 300 6???
wwerner
on Feb 5, 2012
Feb 21, 2012
08:27 PM
by
SuzukiRider
5
2,737
EDIS on a FI'd 300?
HeliMike
on Feb 18, 2012
Feb 20, 2012
09:04 AM
by
Tote-M-Pole
2
2,955
engine bogs down while driving
Franken150
on Feb 19, 2012
Feb 20, 2012
08:55 AM
by
Tote-M-Pole
1
1,780
Denso Iridium spark plugs for the v6's
papa tiger
on Feb 13, 2012
Feb 15, 2012
03:13 PM
by
papa tiger
1
4,612
Help so i can get back to work!
CMP
on Feb 6, 2012
Feb 13, 2012
04:10 PM
by
88 F150 300 6
1
847
4 bent pushrods/rotor pointing way off???
Timmernator
on Sep 15, 2010
Feb 6, 2012
10:15 PM
by
90F150XLTBilly
5
2,099
Need some help
VAstangin06
on Jun 14, 2011
Feb 6, 2012
08:00 PM
by
VAstangin06
2
1,005
Testing fuel pressure
familytruxter
on Feb 4, 2012
Feb 5, 2012
08:41 AM
by
Good old Bill
1
2,544
jumping and shaking
bass2catch
on Nov 16, 2011
Feb 1, 2012
05:11 PM
by
bass2catch
6
1,343
Whats the difference in the headers from 89 to a 92 300-6
wwerner
on Jan 31, 2012
Feb 1, 2012
12:17 AM
by
papa tiger
1
1,260
fuel pressure check ?
bass2catch
on Jan 25, 2012
Jan 25, 2012
11:56 AM
by
bass2catch
0
1,269
PLEASE HELP Engine sputters and stalls PLEASE HELP
(
1
2
)
4x4Countryboy
on Jun 7, 2010
Jan 24, 2012
11:49 AM
by
TexasTurkey
10
25,767
Moved
ecoboost Airaid intake popping noise
ecoboost_2011
on Dec 13, 2011
-
-
-
f150 3.7 engine
buckcop
on Jan 13, 2012
Jan 14, 2012
07:46 AM
by
boggin_bronco95
3
1,415
93 F-150 4.9 idle too high
yardratt2007
on Dec 13, 2011
Jan 11, 2012
03:01 PM
by
yardratt2007
3
2,811
bully dog shift kit
wwerner
on Oct 18, 2011
Jan 10, 2012
09:05 PM
by
SICKS NINE
1
1,046
4.9 wont start
kevan89
on Jan 8, 2012
Jan 9, 2012
02:21 PM
by
dr_bowtie
1
1,052
Question guys- girls!
brucej171
on Dec 21, 2011
Jan 8, 2012
12:28 PM
by
papa tiger
4
1,051
cat and muffler question
truckerjim
on Dec 28, 2011
Jan 7, 2012
09:20 AM
by
papa tiger
3
1,051
94 f150 wont run past -20
oleblueford94
on Jan 3, 2012
Jan 7, 2012
09:07 AM
by
papa tiger
1
907
Need Help Troubleshooting 4.2 to 3.8 swap in 97 F150
mustang679699
on Jan 2, 2012
Jan 3, 2012
10:19 AM
by
papa tiger
3
1,932
4.9 cylinder head rebuild question. . .
car054
on Jan 2, 2012
Jan 3, 2012
08:56 AM
by
car054
3
1,566
freeze plug leak???
cantkilla
on Dec 28, 2011
Dec 28, 2011
04:50 PM
by
cantkilla
3
4,076
1976 4.9 Wont start on its own
jlab1977
on Dec 18, 2011
Dec 23, 2011
10:31 PM
by
speedyham
3
2,799
4.9 I6 cylinder head rebuild question. . .
car054
on Dec 20, 2011
Dec 20, 2011
11:12 PM
by
Preston121068
1
1,355
4.2 to 4.6 swap
dgrant35
on Dec 19, 2011
Dec 19, 2011
04:55 PM
by
dgrant35
0
1,499
Lost of power
F-150-kid
on Dec 16, 2011
Dec 18, 2011
08:28 AM
by
Tote-M-Pole
1
920
93 F-150 300ci I6 4.9 wont start
fordalltheway01
on Dec 17, 2011
Dec 17, 2011
11:19 AM
by
transmaster
1
3,692
Please read!!!!!
(
1
2
)
brucej171
on Dec 14, 2011
Dec 14, 2011
11:09 PM
by
transmaster
10
3,378
I KNOW ITS NOT ABOUT A f150, but i NEED help!!. (still about Ford):)
thunderbirdsucks95
on Nov 30, 2010
Dec 13, 2011
08:00 PM
by
KedwinH
6
1,351
EGR Delete Should i do it???
4x4Countryboy
on Aug 24, 2010
Dec 13, 2011
07:20 PM
by
KedwinH
6
45,459
Is a 300 6 a good engine to build up
wwerner
on Oct 13, 2011
Dec 13, 2011
07:09 PM
by
KedwinH
3
2,072
burning coolant
I own 2
on Dec 13, 2011
Dec 13, 2011
02:51 PM
by
I own 2
0
2,042
1996 300 6cyl help
bryantja
on Feb 19, 2011
Dec 13, 2011
11:35 AM
by
rednekwizard
2
1,339
4.2 bored out for 4.9
earnett
on Dec 12, 2011
Dec 12, 2011
06:40 PM
by
dmbfan128
1
1,354
4.9l Spark Plug Advice
TurboSalsa
on Dec 4, 2011
Dec 11, 2011
07:52 PM
by
rikard
1
17,081
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