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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
98
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100
Replies
999
Views
494K
Mar 28, 2024
pl813239
Sticky
Installing and correctly setting a vortec distributor
Aloicious
Oct 28, 2011
8
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10
Replies
90
Views
200K
Apr 4, 2024
shaneroze
Sticky
How to get Coil per Cylinder and LSx ignition control on a L31 SBC Write up
Aloicious
Jul 28, 2010
5
6
7
Replies
60
Views
82K
Jan 23, 2022
JCribb
Sticky
0411 Pinout Contact for Lextech
Reluctanse
May 12, 2023
2
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12
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8K
Jan 25, 2024
bluex
V
What mods can $1000 do for a 1998 Vortec 5.7?
Vortec Lover
May 9, 2012
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4
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32
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233K
Mar 9, 2013
2000CCSB
The Official Vortec 454 Info thread
BNielsen
Oct 5, 2020
51
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526
Views
184K
Friday at 5:45 PM
rpoL98
R
Free or cheap "mods", with dyno results
VorTecxas
Dec 16, 2012
21
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23
Replies
228
Views
171K
Jan 6, 2014
GMRedline
Electric fan conversion
dirtautoguy
Oct 16, 2015
4
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54
Views
128K
Jun 21, 2016
CeSSar
S
Which GM cam to perfect the L31?
sharpe.trey
Jun 29, 2018
7
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9
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80
Views
127K
Oct 29, 2020
Hipster
Car Gauge Pro can read CMP
Jrgunn5150
Aug 24, 2016
7
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9
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81
Views
110K
Jan 10, 2022
Schurkey
'98 Tahoe 5.7 Vortec runs like crap, backfires in exhaust and intake - need help, pls
Tempritscher
Aug 18, 2013
2
3
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22
Views
98K
Oct 11, 2013
GMstrong
My 454 Rebuild
Spareparts
Jun 5, 2022
91
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93
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921
Views
72K
Oct 30, 2023
BNielsen
S
99 L29 454 build
Scottm
Sep 6, 2021
35
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368
Views
68K
Apr 6, 2024
L31MaxExpress
Vortec 5700 Camshaft upgrade
Parentnoia
Dec 6, 2012
2
3
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21
Views
53K
Dec 10, 2012
heavychevy98
RV Cam?
JonZ71
Sep 1, 2012
8
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10
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91
Views
53K
May 4, 2015
leoman924
L
Deleting cats... Can O2 sensors be fooled?
AirmanSkee
Oct 5, 2013
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34
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51K
Oct 6, 2013
AirmanSkee
Long cranking times
1997chevydriver
Apr 16, 2012
3
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5
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45
Views
51K
Aug 13, 2012
frito-bandito
K
1997 7.4L 454 Vortec Engine K2500 suburban Perfomance advice
kaboom187
Sep 3, 2012
2
Replies
13
Views
51K
Sep 21, 2014
gndd1997
L29 454 Cam upgrade - Towing
cool_as_crap
Nov 15, 2016
Replies
8
Views
49K
Nov 17, 2016
Supercharged111
S
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