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
1.4K
Messages
21.6K
Threads
1.4K
Messages
21.6K
L31MaxExpress
383 24x, Indmar Manifold, DBW and Cam Swap

LSX + Carb Swaps

This section is for info on LSX or carburetor swaps into the OBS trucks.
Threads
701
Messages
8.7K
Threads
701
Messages
8.7K
TylerZ281500
TBI to carb conversion?

Exhaust

Anything exhaust - from headers cats and pipes to tips.
Threads
1.2K
Messages
15.1K
Threads
1.2K
Messages
15.1K
L31MaxExpress
True Dual Exhaust
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154
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Engine Oil Cooler Upgrade: Add 2 quarts! (SAS guys you'll want to see this)
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Tune Up Parts Numbers
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Erik the Awful
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I cannot find this valve cover hose anywhere!
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21
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340
Caman96
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C3500 7.4 vortec weird idle problem
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zdangerh
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27
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10
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Ls swapp oil pan issues
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5
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92
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Alternator /PS Bracket
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6
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Deancr11
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Cylinder 8 exhaust glowing orange
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101
GoToGuy
GoToGuy
Mullet man
Crank no start 1994 K1500 5.7 TBI Automatic 700r4
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11
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324
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1988 454 tbi cylinder heads/engine questions ??
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DieselTech
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Leaking oil cooler line
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AuroraGirl
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Vortec in A 1995 C2500 Issues
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157
prfixer
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1988 k3500 454: valve cover question/advice?
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22
Views
644
DieselTech
D
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Loss of voltage while driving.
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16
Views
398
joog
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shidychevy
Please help, I'm losing hope for my truck, not starting/running
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28
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Road Trip
Road Trip
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