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!
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1.1K
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14.6K
Threads
1.1K
Messages
14.6K
O
Vortec heads on stock TBI 350

LSX + Carb Swaps

This section is for info on LSX or carburetor swaps into the OBS trucks.
Threads
535
Messages
6.4K
Threads
535
Messages
6.4K
TreeGeared
95 k2500 to 6.0l swap

Exhaust

Anything exhaust - from headers cats and pipes to tips.
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1K
Messages
12.1K
Threads
1K
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12.1K
someotherguy
I think my catalitic converter is done
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  • Sticky
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Views
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User_name
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How to Put a Vortec Motor in a TBI Truck
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39K
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Erik the Awful
hatzie
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88-98 Service Manuals
8 9 10
Replies
95
Views
133K
mvfd5111
M
someotherguy
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TBI small block intake gasket replacement (PIC HEAVY)
2 3
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21
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2K
Fatbastard
F
Mike
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The Stupid Engine Questions Thread
189 190 191
Replies
2K
Views
309K
PlayingWithTBI
PlayingWithTBI
Greg
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GMT400 History
23 24 25
Replies
244
Views
296K
HotWheelsBurban
HotWheelsBurban
Ginger
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Intake Gasket Replacement
11 12 13
Replies
124
Views
107K
mary7654
M
Greg
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Maintenance: RPO Code Database & Decoder
2 3 4
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31
Views
43K
mattillac
mattillac
S
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Tune Up Parts Numbers
2 3 4
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37
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60K
Erik the Awful
Erik the Awful
S
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ULTIMATE TBI mods stage 1
26 27 28
Replies
273
Views
304K
PlayingWithTBI
PlayingWithTBI
Hodges87
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How to Replace oil filter adapter gasket & o-ring
4 5 6
Replies
54
Views
148K
Schurkey
Schurkey
Ginger
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Water Pump Relacement
7 8 9
Replies
86
Views
77K
HotWheelsBurban
HotWheelsBurban
88GMCtruck
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Engine Oil Cooler Upgrade: Add 2 quarts! (SAS guys you'll want to see this)
2 3
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25
Views
68K
Cisco
Cisco
D
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The Ultimate 88-98 Performance Toolbox
2 3 4
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33
Views
223K
bhopthewelder
B
monstar_est87
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How to MarkVIII your OBS on a budget..!
15 16 17
Replies
169
Views
137K
duallburb
duallburb
Bighead38
  • Sticky
Putting A Chip In A TBI Truck
18 19 20
Replies
199
Views
264K
PlayingWithTBI
PlayingWithTBI
caw_86
oil cooler lines
2
Replies
15
Views
318
Supercharged111
S
B
Engine wire harness interchange.
Replies
2
Views
1K
Kerryadammackay
K
S
Multiple Ignition Switch Failures
Replies
2
Views
92
Erik the Awful
Erik the Awful
J
Spider Injectors Clogged Completely
2
Replies
17
Views
351
kennythewelder
kennythewelder
D
Vortec cam and EFI
Replies
6
Views
154
Dk47
D
kenh
Oil cooler plumbing and removal
Replies
7
Views
281
GoToGuy
GoToGuy
PlayingWithTBI
My Flat Tappet Cam Wiped Out So I Decided To Go Roller
34 35 36
Replies
353
Views
12K
L31MaxExpress
L31MaxExpress
E
Power steering cooler delete?
2 3
Replies
23
Views
1K
Nad_Yvalhosert
N
CountyLineGarage
Obd 1 scanner options
Replies
5
Views
166
GoToGuy
GoToGuy
HopHead357
Crate GM L31 Pricing
2 3
Replies
23
Views
2K
HopHead357
HopHead357
G
New to me truck. Need help tracking a problem....
Replies
8
Views
225
AuroraGirl
AuroraGirl
D
Advice on 5.7 rebuild and performance upgrades
2
Replies
17
Views
1K
Erik the Awful
Erik the Awful
E
heads and a roller cam
2 3
Replies
25
Views
1K
Gramps
Gramps
bigblackk94chevy
Best way to go
2
Replies
19
Views
545
bigblackk94chevy
bigblackk94chevy
greenz97
Engine backfires and sputters when floored
2 3
Replies
23
Views
571
greenz97
greenz97
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