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Engine Performance + Maintenance
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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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Sticky
12200411 PCM swap for 1996 to 2000 GMT400 trucks
Lextech
Mar 9, 2012
104
105
106
Replies
1K
Views
573K
Friday at 11:44 AM
Sideburnz
Sticky
The Official Vortec 454 Info thread
BNielsen
Oct 5, 2020
57
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59
Replies
585
Views
257K
May 3, 2025
K2500 454
K
Sticky
0411 Pinout Contact for Lextech
Reluctanse
May 12, 2023
2
Replies
18
Views
18K
Apr 7, 2025
BeXtreme
B
Sticky
How to get Coil per Cylinder and LSx ignition control on a L31 SBC Write up
Aloicious
Jul 28, 2010
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7
Replies
61
Views
91K
Dec 31, 2024
Misterman
Sticky
Installing and correctly setting a vortec distributor
Aloicious
Oct 28, 2011
8
9
10
Replies
90
Views
226K
Apr 4, 2024
shaneroze
Computer after trans swap
Deuce95
Today at 9:13 AM
Replies
1
Views
64
Today at 10:59 AM
Komet
Dual Plane MPFI Manifold
L31MaxExpress
Apr 26, 2024
2
Replies
12
Views
3K
Today at 5:18 AM
L31MaxExpress
S
Metal timing chain cover for 5.7 vortec? I can't find one that offers a port for the crankshaft positioning sensor.
skhorton1
May 11, 2025
Replies
8
Views
401
Saturday at 7:29 PM
jaywestfall
Tuner Options
Brawndo_99
May 6, 2025
2
Replies
10
Views
438
Saturday at 2:10 PM
Burban Driver
Vacuum diagram 350 Vortex
Feral peasant
Jan 2, 2025
Replies
4
Views
727
Friday at 11:13 PM
99xcss4
T
99 Tahoe 2 dr L31 383 build
TahoeHD
Apr 2, 2025
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4
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37
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2K
Wednesday at 11:51 AM
TahoeHD
T
Breaking up at high RPM
WW14
Wednesday at 2:03 AM
Replies
3
Views
165
Wednesday at 9:38 AM
WW14
383 24x, Indmar Manifold, DBW and Cam Swap
L31MaxExpress
Mar 6, 2025
6
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8
Replies
74
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4K
Tuesday at 2:32 PM
L31MaxExpress
Vortec 8.1 valves in L29 head?
92Raiderburban
May 12, 2025
Replies
1
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147
May 12, 2025
rebelyell
R
M
'97 Express 383 Marine intake
marcgyver77
May 6, 2025
2
Replies
11
Views
493
May 12, 2025
L31MaxExpress
‘97 C1500 0411 tuning beginner
97SWBCHEVY
May 10, 2025
Replies
0
Views
105
May 10, 2025
97SWBCHEVY
‘97 C1500 0411 swap EFI Live or HP Tuners?
97SWBCHEVY
May 10, 2025
Replies
0
Views
92
May 10, 2025
97SWBCHEVY
Performance Gains
Safuez
Dec 4, 2024
2
3
4
Replies
35
Views
3K
May 10, 2025
Safuez
Free or cheap "mods", with dyno results
VorTecxas
Dec 16, 2012
21
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23
Replies
229
Views
183K
May 8, 2025
OBSbean57
7.4 Vortec LS Style filter/regulator swap how to.
Jrgunn5150
May 7, 2025
Replies
1
Views
102
May 7, 2025
Jrgunn5150
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