Engine Performance + Maintenance

If it's under the hood, its in here.

96+ Vortec Performance + Computer Swaps

If you want to do the 0411 PCM swap or have a 1996+ Vortec motor this is your forum!
Threads
934
Messages
11.7K
Threads
934
Messages
11.7K
Frank Enstein
Finally got around to doing the thing.

LSX + Carb Swaps

This section is for info on LSX or carburetor swaps into the OBS trucks.
Threads
463
Messages
5.8K
Threads
463
Messages
5.8K
T
anyone use a 04 escalade for a LQ9 swap into a 98 k1500?

Exhaust

Anything exhaust - from headers cats and pipes to tips.
Threads
931
Messages
11K
Threads
931
Messages
11K
S
Flowmaster cat back?
Mike
  • Sticky
The Stupid Engine Questions Thread
170 171 172
Replies
2K
Views
252K
Frank Enstein
Frank Enstein
S
  • Sticky
ULTIMATE TBI mods stage 1
25 26 27
Replies
266
Views
272K
eran tomer
E
hatzie
  • Sticky
88-95 Service Manuals
4 5 6
Replies
59
Views
70K
96TahoeDoug
96TahoeDoug
Mike
  • Sticky
LS Swapping and Performance FAQ
2
Replies
12
Views
29K
kenh
kenh
Ginger
  • Sticky
Water Pump Relacement
7 8 9
Replies
86
Views
68K
HotWheelsBurban
HotWheelsBurban
88GMCtruck
  • Sticky
Engine Oil Cooler Upgrade: Add 2 quarts! (SAS guys you'll want to see this)
2 3
Replies
25
Views
63K
Cisco
Cisco
Ginger
  • Sticky
Intake Gasket Replacement
11 12 13
Replies
123
Views
94K
Pinger
Pinger
D
  • Sticky
The Ultimate 88-98 Performance Toolbox
2 3 4
Replies
33
Views
191K
bhopthewelder
B
monstar_est87
  • Sticky
How to MarkVIII your OBS on a budget..!
15 16 17
Replies
169
Views
128K
duallburb
duallburb
Hodges87
  • Sticky
How to Replace oil filter adapter gasket & o-ring
4 5 6
Replies
52
Views
138K
HotWheelsBurban
HotWheelsBurban
Greg
  • Sticky
GMT400 History
22 23 24
Replies
233
Views
263K
Erik the Awful
Erik the Awful
Bighead38
  • Sticky
Putting A Chip In A TBI Truck
18 19 20
Replies
199
Views
233K
PlayingWithTBI
PlayingWithTBI
Greg
  • Sticky
Maintenance: RPO Code Database & Decoder
2 3
Replies
23
Views
37K
dAT OBS
dAT OBS
S
  • Sticky
Tune Up Parts Numbers
2 3 4
Replies
34
Views
54K
Donald Mitchell
Donald Mitchell
E
5,7 tbi roller rockers
Replies
3
Views
76
Frank Enstein
Frank Enstein
W
Best Coil For 1997 7.4L Vortec?
Replies
4
Views
23
wirlybird
W
N
New to me 2000 K2500 missing at idle, occasional stalls
3 4 5
Replies
40
Views
1K
Nicman201
N
R
1 wire to 3 wire O2 Sensor
2 3 4
Replies
30
Views
779
CrustyJunker
CrustyJunker
J
98 5.7 chevy suburban k1500 weird hissing from intake area and fuel pump runs constantly
Replies
7
Views
167
92Landyacht
92Landyacht
92Landyacht
Possible replacement for Hot Fuel Module
2 3
Replies
22
Views
834
92Landyacht
92Landyacht
W
1997 K3500 454 Vortec Tune Up Parts Advice.
2 3 4
Replies
35
Views
924
Kens1990K2500
Kens1990K2500
T
Code 35?
Replies
4
Views
83
Schurkey
Schurkey
T
Tuning for e-fan conversion?
3 4 5
Replies
40
Views
870
Schurkey
Schurkey
JimFixes
I added Sta-Bil and the engine started knocking. Uh Oh...
2 3 4
Replies
38
Views
2K
JimFixes
JimFixes
1952Chevy
Possible Rod Knock
2 3
Replies
24
Views
2K
1952Chevy
1952Chevy
M
Aluminum radiator install 99 gmc 7.4l
Replies
9
Views
254
dozerpilot
dozerpilot
volfan72
Newbie without access to classifieds
Replies
7
Views
272
kennythewelder
kennythewelder
DTrain
HT383E into a K3500
4 5 6
Replies
50
Views
18K
Schurkey
Schurkey
E
Fuel pump
Replies
9
Views
306
Schurkey
Schurkey
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