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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.
24.4K
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9 d ago
24.4K
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Sticky
6.5 Diesel Photo Thread
Snotrockett
Nov 5, 2011
27
28
29
574
329K
5 d ago
by
MC775
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
171K
Apr 2, 2012
by
PrivatePilot
Info:
Sticky
6.5 NEWBIES - **START HERE**
PrivatePilot
Sep 28, 2010
Locked
1
355K
Sep 28, 2010
by
PrivatePilot
Info:
Sticky
Diagnostic Checklist version 2.0 [10-2009]
knkreb
Aug 26, 2005
Locked
1
132K
Aug 26, 2005
by
knkreb
B
Inlet heater hose
butchsmith
4 d ago
6
159
8 h ago
by
butchsmith
Question:
Can I legally tow a van behind my RV? (DOT questions)
jamesg123
6 d ago
9
298
8 h ago
by
jamesg123
J
6.5 Shuttle bus Dust from vents & Start issue
jgeck90
4 d ago
7
166
9 h ago
by
Oregonnovaguy
S
Blower motor wiring
smdk2500
11 h ago
3
75
10 h ago
by
Glagulator
Inj pump not firing
richcher6265
4 d ago
13
207
12 h ago
by
JMJNet
F
Question:
Glow plug relay
fencerman
6 d ago
7
214
16 h ago
by
macdaddyof9
Hard hot start and coolant leak
MC775
7 d ago
12
336
20 h ago
by
JMJNet
P
6.5 Suburban idles badly
phalfhide
4 d ago
4
121
21 h ago
by
JMJNet
Vacuum hose replacement.
JDurks2
3 d ago
10
186
21 h ago
by
JMJNet
9
Question:
‘97 6.5 TD sporadic hard starting and fish biting?
97Blue3500
5 d ago
11
215
1 d ago
by
97Blue3500
R
94 gmc optical sensor plug wiring question two wires are white how do I tell which one goes where?
rude robert
2 d ago
6
113
1 d ago
by
rude robert
Question:
Engine block question for the 2001 Chevy express 3500 6.5 diesel ex-military cube van.
Jimshields
4 d ago
5
133
2 d ago
by
OkDually
6.5 bucking and missing
956.5l
5 d ago
14
241
2 d ago
by
956.5l
Chevy 2500 Detroit No lights or anything on dash when key turned all the way. no starter movement or anything. please help
trentvoisin
6 mo ago
7
570
3 d ago
by
AlaskaBill
S
6.5L Sudden Issue - white smoke, no power, missing
someguy75
4 d ago
5
149
4 d ago
by
someguy75
W
6.5 L lack of power
Wally gordon
5 d ago
5
216
4 d ago
by
Wally gordon
J
Help needed Codes 17 18 35 49 62
Johnnyblazed
5 d ago
3
122
4 d ago
by
OkDually
Question:
Cam to Crank Timing offset
AlaskaBill
5 d ago
0
107
5 d ago
by
AlaskaBill
F
Question:
Rear main seal
fencerman
3 mo ago
7
785
6 d ago
by
fencerman
P
93 6.5 engine noise challenge...
presleyhome
Nov 12, 2020
2
3
4
64
7K
6 d ago
by
Sparkys Tacoma
J
96 gmc vandura 6.5
Jimz9990
9 d ago
16
283
6 d ago
by
Jimz9990
Z
AC on and DTC 36
zeis999
21 d ago
6
383
6 d ago
by
JMJNet
R
94 2500 6.5 td boost sensor "gasket"
rude robert
8 d ago
6
304
6 d ago
by
LinePilot
94 and older 6.5
WhiteCapJR
8 d ago
6
265
6 d ago
by
LinePilot
B
Question:
alternator tach
Bigcreepo
7 d ago
5
215
7 d ago
by
Bigcreepo
T
Question:
Rear differential leaking
TateB
9 d ago
3
270
8 d ago
by
macdaddyof9
Question:
High iron and lead in oil analysis?
lip420
8 d ago
3
207
8 d ago
by
Tommygunner
6.5 K3500 in her natural environment
macdaddyof9
9 d ago
0
212
9 d ago
by
macdaddyof9
B
Question:
motor issue and question on parts
big al33
21 d ago
9
418
9 d ago
by
OkDually
Need some advice
southardjoshua4
12 d ago
3
281
10 d ago
by
JMJNet
What have you done to your 6.5 today?
jeeprocks86
Jul 7, 2009
297
298
299
6K
607K
10 d ago
by
smdk2500
Easy question: Vac Pump going out, how to tell if working or not?
Kgw51gmc
10 d ago
3
180
10 d ago
by
OkDually
Question:
Xotic head studs
Turboturtle6.5
18 d ago
13
595
10 d ago
by
Mikes2019HDDuramax
Question:
P1656 and like no boost
Versoh
11 d ago
12
333
10 d ago
by
Versoh
B
6.5 dies at wot
Bigcreepo
19 d ago
14
517
11 d ago
by
OkDually
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6.5L Diesel Engine
Discuss the 6.5 GM diesel engine & all associated components.
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