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6.5/6.2 High Performance Engine Modifications
High Performance Turbocharger and Engine Related Modifications Discussion Forum - Specific To The GM 6.2 & 6.5 Diesel Engine.
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Sticky
6.5 Diesel Photo Thread
Snotrockett
Nov 5, 2011
28
29
30
598
388K
Oct 24, 2023
by
Diesel2door96
Info:
Sticky
The 6.5L FAQ's... The Master List of Information and 6.5 Answers
knkreb
Nov 27, 2005
Locked
16
2M
Jul 15, 2015
by
Freddyack
Sticky
Rolling Coal & The 6.5
PrivatePilot
Sep 12, 2010
Locked
2
34
184K
Apr 2, 2012
by
PrivatePilot
Info:
Sticky
6.5 NEWBIES - **START HERE**
PrivatePilot
Sep 28, 2010
Locked
1
384K
Sep 28, 2010
by
PrivatePilot
Info:
Sticky
Diagnostic Checklist version 2.0 updated [09-2022]
knkreb
Aug 26, 2005
Locked
1
142K
Aug 26, 2005
by
knkreb
S
Calling all 6.5 guys!
Silverado 2500 6.5
6d ago
25
481
2h ago
by
Tommygunner
Question:
Used heads worth anything?
mjyankov
6h ago
0
47
6h ago
by
mjyankov
93 GMC 6.5L Turbodiesel - Crack at motor mount
AppalachianMountainFarmer
4d ago
7
129
6h ago
by
mjyankov
J
94 6.5 relearn
Jack-of-all-trades
1d ago
3
80
7h ago
by
Jack-of-all-trades
S
Good source for marine 6.5 parts?
Silverado 2500 6.5
3d ago
6
145
14h ago
by
Twisted Steel Performance
'95 K2500HD engine project
SnowDrift
Mar 18, 2023
2
3
4
88
9K
1d ago
by
SnowDrift
Question:
Extremely hard starting + white smoke when cold
Dannyk11135
Oct 9, 2023
69
3K
1d ago
by
Dannyk11135
G
Grouchy's engine build thread
GrouchyOldMan
Jan 15, 2024
2
3
4
111
4K
1d ago
by
GrouchyOldMan
C
Identify this part please
cgfitch
3d ago
8
157
2d ago
by
OkDually
J
1993 6.5 turbo foot pedal no response
jdealer55
3d ago
5
135
2d ago
by
57diesel
B
Slow die over Weeks, now wont go
bdoid
Mar 8, 2024
15
213
2d ago
by
bdoid
J
Question:
Harmonic ballancer bolt
jrsavoie
3d ago
2
136
2d ago
by
GrouchyOldMan
D
Heath Diesel Harm Balancer
Dwarf Paladin
Feb 3, 2024
10
1K
3d ago
by
jrsavoie
What have you done to your 6.5 today?
jeeprocks86
Jul 7, 2009
186
187
188
6K
716K
3d ago
by
blackmanta
H
Question:
1993 6.5 cam shaft sensor issues
Harlan Harris
6d ago
6
133
3d ago
by
56pan
C
Glow Plug Controller Issue
cgfitch
Mar 5, 2024
23
711
3d ago
by
cgfitch
1993 GMC K3500 6.5L - Running warm/hot w/ blue smoke
AppalachianMountainFarmer
Mar 4, 2024
23
649
4d ago
by
56pan
Fan Shroud compatibility between engines
AppalachianMountainFarmer
6d ago
2
99
4d ago
by
82Kbody
O
6.5TD engine pop
Ottis
Jan 30, 2024
2
43
2K
4d ago
by
Ottis
T
7.4 4l80e to 6.5 and nv4500
TX_Aero
Feb 28, 2024
20
524
5d ago
by
TX_Aero
Cool The Beast! I have an idea that might help, anybody interested in a 6.5L fan spacer?
scasanova
May 30, 2020
14
6K
5d ago
by
youbetcha67
6.5TD help in El Paso?
Pressureangle
5d ago
5
115
5d ago
by
OkDually
C
Cant change radio volume
cgfitch
Mar 11, 2024
3
106
5d ago
by
cgfitch
NOW what do I do??? BROKEN CRANK in a 6.5 turbo
mmamajor
Mar 7, 2024
13
607
6d ago
by
DieselAmateur
R
Question:
94 2500 6.5 td oil pressure sensor.
rude robert
6d ago
5
136
6d ago
by
vstech
C
Question:
1993 Bucket Seat Armrest Removal. Hard to Move!
cgfitch
Mar 6, 2024
1
97
Mar 12, 2024
by
GrouchyOldMan
S
Question:
1999 Chevy Tahoe complete engine rebuild
sborgw
Mar 8, 2024
9
294
Mar 9, 2024
by
The GettysBurb
C
Question:
NV4500 5 speed Transmission slips out of 5th gear
cgfitch
Mar 8, 2024
7
304
Mar 9, 2024
by
cgfitch
D
Casting number help!
Dw1679
Mar 9, 2024
2
168
Mar 9, 2024
by
Dw1679
N
1993 K3500 6.5L Turbo intermittent no RPM input to PCM
N7IFJ
Dec 20, 2023
8
640
Mar 8, 2024
by
OkDually
C
6.5 cab firewall for clutch question
cariboo4x4
Mar 6, 2024
3
127
Mar 7, 2024
by
57diesel
A
Question:
DB2 information needed
Aftermath_54
Mar 6, 2024
1
148
Mar 7, 2024
by
DieselAmateur
P
Question:
Wiring Harness Issue
pjmia96
Mar 6, 2024
3
151
Mar 6, 2024
by
pjmia96
Question:
Fishbiting
Alex6.5TB
Mar 5, 2024
7
289
Mar 6, 2024
by
57diesel
5
Question:
Locking the belt tensioner on a 96+?
57diesel
Mar 5, 2024
0
91
Mar 5, 2024
by
57diesel
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6.5L Diesel Engine
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Discuss the 6.5 GM diesel engine & all associated components.
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