Performance

Engine mods, Chips, Filters, etc.
wheatswake
  • Sticky
the real story on spark plug wires
4 5 6
Replies
50
Views
64K
Charlie207
Charlie207
JennaBear
  • Sticky
Lower thermostats, really needed?
2 3
Replies
26
Views
17K
BlackBearPerf
BlackBearPerf
swathdiver
Useless Information
121 122 123
Replies
1K
Views
90K
swathdiver
swathdiver
S
Sorry if answered, but WHY is my Tahoe more sluggish than older Yukon?
2
Replies
11
Views
381
Joseph Garcia
Joseph Garcia
J
Diablosport i3 worth it just to raise idle
2
Replies
10
Views
673
SNES Avalanche
S
itsbo1313
Long term owners of BlackBear Autocal tunes.
19 20 21
Replies
201
Views
29K
BlackBearPerf
BlackBearPerf
S
Looking for a Tune (Disable AFM and Raise Idle) near Philly
Replies
3
Views
198
d3r3k31
D
S
Is there one place to see the best mods & improvements for Tahoes?
2
Replies
11
Views
567
sniper_x
S
02Z71Raven
Need catalytic converters replaced prior to tune
Replies
9
Views
329
drakon543
drakon543
officedog
2011 Yukon AC Problem
Replies
3
Views
359
swathdiver
swathdiver
Trey Hardy
Best place to find a 6.0/6.2 crate engine?
Replies
6
Views
1K
jmil1974
J
F
Experience with shorty headers?
2
Replies
10
Views
694
jmil1974
J
livingez_123
Keep VVT or delete?
Replies
4
Views
472
mikeyss
mikeyss
M
Vengeance racing tune
Replies
2
Views
835
Meccanoble
M
F
HP Tuners File
2
Replies
15
Views
2K
Just Fishing
Just Fishing
M
BOV - Whistling Dixie - Does your truck make noise?
Replies
0
Views
230
Meccanoble
M
Tahoe_SSV
Recommendations for headers for 2009 chevy tahoe 5.3 4x4
Replies
4
Views
554
m1949
m1949
87carl
Brembo brakes
2 3 4
Replies
37
Views
10K
Mickey_7106
Mickey_7106
Booby1323
EVAP Charcoal Canister Removal Modification
2
Replies
16
Views
14K
petethepug
petethepug
L
Tuning help needed
Replies
2
Views
480
George B
George B
Drwinlied
FI or crate
2 3 4
Replies
35
Views
3K
Geotrash
Geotrash
Mickey_7106
Brake fluid Compatibility
Replies
4
Views
468
Mickey_7106
Mickey_7106
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
249
Ghost10
Ghost10
T
Trinity T-1000 Programmer
Replies
3
Views
437
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
905
Joseph Garcia
Joseph Garcia
C
I/M Readiness -Evap Monitor not Ready
Replies
6
Views
1K
cags
C
B
Cooling fan question.
Replies
6
Views
587
Doubeleive
Doubeleive
P
K and N Air Filter- 2013 Yukon
Replies
4
Views
960
swathdiver
swathdiver
Sandaman
Minor performance mods help.
10 11 12
Replies
115
Views
18K
Sandaman
Sandaman
JGib
5.3L Whipple Install fuel pump suggestions
2
Replies
12
Views
2K
13UpInSmoke
13UpInSmoke
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