Performance

Engine mods, Chips, Filters, etc.
JennaBear
  • Sticky
Lower thermostats, really needed?
2 3
Replies
26
Views
17K
BlackBearPerf
BlackBearPerf
wheatswake
  • Sticky
the real story on spark plug wires
3 4 5
Replies
43
Views
63K
avalonandl
avalonandl
Drwinlied
FI or crate
2 3 4
Replies
31
Views
2K
Drwinlied
Drwinlied
F
HP Tuners File
Replies
5
Views
353
Geotrash
Geotrash
Trey Hardy
Best place to find a 6.0/6.2 crate engine?
Replies
3
Views
384
Trey Hardy
Trey Hardy
Mickey_7106
Brake fluid Compatibility
Replies
4
Views
213
Mickey_7106
Mickey_7106
swathdiver
Useless Information
116 117 118
Replies
1K
Views
81K
George B
George B
F
Going to do Heads/ Cam. Looking for Cylinder Head CNC Shop
2
Replies
11
Views
1K
Foggy
F
Ghost10
18 Tahoe 5.3 glasspack size ?
Replies
0
Views
105
Ghost10
Ghost10
itsbo1313
Long term owners of BlackBear Autocal tunes.
18 19 20
Replies
199
Views
26K
Rocket Man
Rocket Man
T
Trinity T-1000 Programmer
Replies
3
Views
272
tights24
T
U
P0420 and p0430 after dod , performance parts and tune
Replies
8
Views
1K
MrBishop
M
CyberDude4819
Oil Catch Can Install, Wrong Line? What is this?
Replies
7
Views
521
Joseph Garcia
Joseph Garcia
C
I/M Readiness -Evap Monitor not Ready
Replies
6
Views
390
cags
C
B
Cooling fan question.
Replies
6
Views
388
Doubeleive
Doubeleive
P
K and N Air Filter- 2013 Yukon
Replies
4
Views
526
swathdiver
swathdiver
Sandaman
Minor performance mods help.
10 11 12
Replies
115
Views
16K
Sandaman
Sandaman
JGib
5.3L Whipple Install fuel pump suggestions
2
Replies
12
Views
2K
13UpInSmoke
13UpInSmoke
LEAVERDTC
New here, Just picked up a 2010 Yukon Denali 6.2 AWD
Replies
6
Views
1K
13UpInSmoke
13UpInSmoke
R
5.3L cylinder deactivation
Replies
4
Views
1K
CaptainAmerica1
CaptainAmerica1
I
Pad and rotor upgrade? Whats the go to?
2 3
Replies
22
Views
4K
Doubeleive
Doubeleive
Dustin Jackson
Black Bear Tune Features
Replies
1
Views
1K
Joseph Garcia
Joseph Garcia
pun2310
Performance on a 2007 GMC Yukon Denali
2 3 4
Replies
36
Views
3K
ivin74
ivin74
Mickey_7106
Exhaust tip recommendation / ideas / Pic request
Replies
3
Views
1K
GreyStone
G
AmunRoo
6.2L Intake Manifold
Replies
5
Views
921
THarber
THarber
the_tool_man
Black Bear Tune Review
2 3
Replies
20
Views
9K
Joseph Garcia
Joseph Garcia
46and2008Denali
DIY Resonator delete 6.2? Tips?
Replies
4
Views
2K
Denaliz
Denaliz
Booby1323
EVAP Charcoal Canister Removal Modification
2
Replies
15
Views
11K
THarber
THarber
PeteCT
Planning to buy Supercharger for 07 5.3, need an advice
2
Replies
19
Views
3K
Rocket Man
Rocket Man
LanceD
E85
17 18 19
Replies
189
Views
28K
Fless
Fless
87carl
Brembo brakes
2 3 4
Replies
36
Views
8K
91RS
9
Brooklyndenali
Looking to do some engine work on my 2007 Tahoe.
Replies
4
Views
1K
Geotrash
Geotrash
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