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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1.2K
Messages
17.3K
Threads
1.2K
Messages
17.3K
HawkDsl
New to gm stuff

LSX + Carb Swaps

This section is for info on LSX or carburetor swaps into the OBS trucks.
Threads
596
Messages
7.3K
Threads
596
Messages
7.3K
RDF1
Johns custom wiring
  • RDF1

Exhaust

Anything exhaust - from headers cats and pipes to tips.
Threads
1.1K
Messages
13K
Threads
1.1K
Messages
13K
spong Bob
Header mufflers
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  • Sticky
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Replies
197
Views
18K
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RichLo
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  • Sticky
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Erik the Awful
Scooterwrench
  • Sticky
Let's get connected!!!
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Replies
58
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Scooterwrench
someotherguy
  • Sticky
TBI small block intake gasket replacement (PIC HEAVY)
2 3 4
Replies
36
Views
8K
NMNorsse
N
Erik the Awful
  • Sticky
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Replies
72
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58K
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monstar_est87
  • Sticky
How to MarkVIII your OBS on a budget..!
16 17 18
Replies
171
Views
142K
Casey916
Casey916
88GMCtruck
  • Sticky
Engine Oil Cooler Upgrade: Add 2 quarts! (SAS guys you'll want to see this)
2 3
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26
Views
71K
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hatzie
  • Sticky
88-98 Service Manuals
9 10 11
Replies
106
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Zelda
Z
Bighead38
  • Sticky
Putting A Chip In A TBI Truck
19 20 21
Replies
202
Views
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mwilliams55555
mwilliams55555
Greg
  • Sticky
Maintenance: RPO Code Database & Decoder
2 3 4
Replies
33
Views
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  • Sticky
How to Replace oil filter adapter gasket & o-ring
4 5 6
Replies
55
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Illbedipped
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D
  • Sticky
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jpcedotal
Greg
  • Sticky
GMT400 History
23 24 25
Replies
245
Views
314K
Will Fuller
W
Ginger
  • Sticky
Intake Gasket Replacement
11 12 13
Replies
124
Views
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mary7654
M
S
  • Sticky
Tune Up Parts Numbers
2 3 4
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37
Views
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Erik the Awful
S
  • Sticky
ULTIMATE TBI mods stage 1
26 27 28
Replies
273
Views
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PlayingWithTBI
Ginger
  • Sticky
Water Pump Relacement
7 8 9
Replies
86
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82K
HotWheelsBurban
HotWheelsBurban
S
93 Yukon Lugs trying to go from 4th gear lockup to 3rd
Replies
4
Views
44
PWC Repair
PWC Repair
S
Engine knocks when ambient temps around freezing or below
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0
Views
22
sneakingfart
S
97silverdoe
Problem with temperature gauge
2
Replies
10
Views
204
JeremyNH
J
GMCBurb99
Cam advice
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6
Views
129
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df2x4
'97 C1500 Power Steering Parts Selection (EVO Delete)
2
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12
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181
df2x4
df2x4
A
94 Yukon 350 Idle issues and Loss of power.
2 3 4
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34
Views
1K
Schurkey
Schurkey
Z
Full throttle problem
2
Replies
11
Views
343
ZSC-114
Z
P
Question about 7.4l Oil Filter
Replies
8
Views
152
fisher
F
Jksconny
Hesitation completey at a loss
2 3 4
Replies
34
Views
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Russ B
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FullBlowncustoms
1989 C1500, EGR, Headers Question
9 10 11
Replies
109
Views
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Radiator shroud hardware?
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Replies
15
Views
327
GoToGuy
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giaguaro
Power steering fluid suggestion
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Replies
18
Views
480
someotherguy
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fancyTBI
TBI Rebuild Services
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16
Views
741
classman
C
giaguaro
error 45 "LOW AIR" 1989 350 tbi
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13
Views
278
Pinger
Pinger
M
Strange white smoke exhaust
2
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15
Views
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Schurkey
Schurkey
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