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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15.8K
Threads
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C
My 454 Rebuild

LSX + Carb Swaps

This section is for info on LSX or carburetor swaps into the OBS trucks.
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562
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6.7K
Threads
562
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6.7K
M
95 chevy k1500 5.7l - 5.3l ls transmission/ transfer case question

Exhaust

Anything exhaust - from headers cats and pipes to tips.
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12.3K
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1K
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E
What headers should i use?i have a gmc k3500 7.4l 4x4.
studigggs
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Erik the Awful
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mary7654
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Greg
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Maintenance: RPO Code Database & Decoder
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mattillac
S
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4 5 6
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54
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86
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Engine Oil Cooler Upgrade: Add 2 quarts! (SAS guys you'll want to see this)
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25
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How to MarkVIII your OBS on a budget..!
15 16 17
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169
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duallburb
Bighead38
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Putting A Chip In A TBI Truck
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PlayingWithTBI
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marshallsmith27
Time to replace my compressor
2 3
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26
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425
marshallsmith27
marshallsmith27
meir
need help with the motor mounts.
Replies
2
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63
Schurkey
Schurkey
J
Better gas mileage and performance.
10 11 12
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119
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3K
L31MaxExpress
L31MaxExpress
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4.3L to ?? swap.
29 30 31
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304
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Schurkey
M
EVAP Canister removal
2
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16
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182
Schurkey
Schurkey
Caman96
Dash Command ???’s
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38
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601
Caman96
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Mathies
89 electrical
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15
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167
Schurkey
Schurkey
J
What spark plugs and wires?
2 3
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23
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425
Schurkey
Schurkey
B
1990 tbi ecm shorting
2 3
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20
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2K
Schurkey
Schurkey
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Cylinder Heads
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3
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171
Greggor55
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any4xx
BIZARRE end to the hunting/stumbling idle issue on my ‘95.
3 4 5
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41
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700
L31MaxExpress
L31MaxExpress
S
blinking A/C temp selector
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3
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91
stephen p luce
S
J
Electrical
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3
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120
Jbaer
J
df2x4
'97 K1500 Suburban 5.7L Starter Choices
5 6 7
Replies
64
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5K
hilly101111111
hilly101111111
Figuarus
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2
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11
Views
410
Schurkey
Schurkey
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