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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
585
345K
1 mo ago
by
DetroitIron
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
176K
Apr 2, 2012
by
PrivatePilot
Info:
Sticky
6.5 NEWBIES - **START HERE**
PrivatePilot
Sep 28, 2010
Locked
1
365K
Sep 28, 2010
by
PrivatePilot
Info:
Sticky
Diagnostic Checklist version 2.0 updated [09-2022]
knkreb
Aug 26, 2005
Locked
1
136K
Aug 26, 2005
by
knkreb
ABS TROUBLE
peziofabietti2010
3 d ago
9
186
a moment ago
by
Glagulator
It's "block heater" time......
KenAsh
7 h ago
2
62
23 m ago
by
OkDually
SSDiesel PCM, impressed!
skylark
23 h ago
0
86
23 h ago
by
skylark
Question:
6.5td still smoking with new injectors
juljohn6.5
26 d ago
14
755
24 h ago
by
Trucker2838
Question:
Mechanical 6.5 - Mystery Misfire
JackieTheK20
1 d ago
1
88
1 d ago
by
Glagulator
Question:
Batteries?
dixiepc
2 d ago
3
141
1 d ago
by
Tommygunner
S
Another 6.5 overheating thread
Sootfoot33
3 d ago
3
157
1 d ago
by
Sootfoot33
M
Info:
6.5 TD Injection pump removal/installation guide with pictures.
MrBeast
Mar 5, 2010
2
3
4
73
150K
1 d ago
by
Glagulator
Wrong filter? Help!
DIRT FIGHTER
2 d ago
4
135
1 d ago
by
56pan
What have you done to your 6.5 today?
jeeprocks86
Jul 7, 2009
300
301
302
6K
630K
2 d ago
by
dieselolds
S
Question:
2005 6.5 hard to start after 1min of starting it it won't rev over 2200RPMn
scooterlemastertowing
5 d ago
3
156
3 d ago
by
skylark
G
What will I need to make it run?
GrouchyOldMan
10 d ago
2
3
40
1K
3 d ago
by
skylark
P
Chev 1997 P30 6.5L PMD location
P30 Pete
5 d ago
16
275
3 d ago
by
JMJNet
3500hd forum
skylark
9 d ago
5
258
3 d ago
by
CB1
Crankshaft pulley recommendations
SnowDrift
4 d ago
1
178
4 d ago
by
FLWHEELIN
D
4" exhaust. more power, better fuel mileage?
dirty mike
11 d ago
7
467
4 d ago
by
TheJoggernot
A
Info:
power steering fluid
alex1234
5 d ago
3
199
4 d ago
by
alex1234
93 6.5, what to do next?
spudman17
8 d ago
12
445
4 d ago
by
JMJNet
My 97 P30 Does Not Start....
lfaulkner29
3 mo ago
4
455
4 d ago
by
lfaulkner29
Question:
Service Manual for 1999 GMC Savana 3500 6.5l diesel
LilYellowBoxTruck
18 d ago
2
309
5 d ago
by
Gerard2000
Question:
Dropped dash, put back together and now does a few odd things.
JDurks2
8 d ago
10
287
5 d ago
by
GrouchyOldMan
G
Old owners wastegate mod... Why did he do it?
GrouchyOldMan
12 d ago
13
390
5 d ago
by
GrouchyOldMan
6.5l starts then dies and wont start again
95 k3500 6.5l
24 d ago
2
3
4
79
2K
5 d ago
by
95 k3500 6.5l
P
Question:
Boost Issue
Parker.ten
5 mo ago
4
475
5 d ago
by
GrouchyOldMan
T
Clutch factory diameter
Trip443
7 d ago
4
201
6 d ago
by
Trip443
Cooling system flow improvements
Texas Diesel Guy
May 2, 2021
2
3
59
5K
6 d ago
by
Twisted Steel Performance
6.5 No Codes/ No power
Gsevans01
1 mo ago
2
32
1K
6 d ago
by
Gsevans01
Inconsistent Boost
MidnightRooster
6 d ago
7
233
6 d ago
by
GrouchyOldMan
Looking to get more heat in the Cab
AaHayes
1 mo ago
2
26
960
6 d ago
by
GrouchyOldMan
Idle woes
JERRYTHETRUCK
8 d ago
2
184
8 d ago
by
JERRYTHETRUCK
C
Cali. Glow plug controller module
Craigsb
8 d ago
3
159
8 d ago
by
OkDually
Coolant Blowing out of Reservoir
Durmax lly fan
21 d ago
16
955
9 d ago
by
Durmax lly fan
Throttle error. Please help
LilYellowBoxTruck
17 d ago
3
339
9 d ago
by
Lonzo56
D
6.5 Tahoes
Diesel2door96
27 d ago
10
632
10 d ago
by
kmagg
Unidentified hose
LilYellowBoxTruck
11 d ago
5
352
10 d ago
by
GrouchyOldMan
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6.5L Diesel Engine
Discuss the 6.5 GM diesel engine & all associated components.
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