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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
100
101
102
Replies
1K
Views
506K
Tuesday at 12:50 PM
BeXtreme
B
Sticky
Installing and correctly setting a vortec distributor
Aloicious
Oct 28, 2011
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9
10
Replies
90
Views
205K
Apr 4, 2024
shaneroze
Sticky
0411 Pinout Contact for Lextech
Reluctanse
May 12, 2023
2
Replies
12
Views
9K
Jan 25, 2024
bluex
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
60
Views
83K
Jan 23, 2022
JCribb
97 5.7 vortec
best97obs
Aug 28, 2023
4
5
6
Replies
54
Views
11K
Today at 12:29 AM
duallburb
S
99 L29 454 build
Scottm
Sep 6, 2021
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41
Replies
407
Views
75K
Yesterday at 2:11 PM
L31MaxExpress
9
Speedo recalibration
96greenmachine
Friday at 12:40 PM
Replies
5
Views
176
Saturday at 10:38 PM
df2x4
Another 454 Vortec Build Thread - Documenting, Q&A, Help
Bachert24
Apr 19, 2024
10
11
12
Replies
111
Views
6K
Friday at 10:34 PM
Bachert24
L
96 GMC Sierra 2500, 5.7 to 5.7 swap, wont stay running.
Levi32104
Wednesday at 10:10 AM
Replies
1
Views
114
Friday at 2:41 PM
Moofus02
M
9
K1500 5.7 Tuning Help
98SilveradoK1500
Tuesday at 6:37 AM
Replies
4
Views
220
Friday at 1:52 PM
L31MaxExpress
What is this fuse for? comes off of the positive terminal and has a wire going to the alternator.
VictoryRed
Thursday at 10:25 PM
Replies
5
Views
213
Friday at 12:17 PM
BeXtreme
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M
Converting L29 to cop like L21 L18
Moofus02
May 29, 2024
Replies
9
Views
491
Tuesday at 12:17 PM
BeXtreme
B
L31 Extreme Budget Build
L31MaxExpress
Dec 28, 2022
60
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62
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612
Views
44K
Jun 3, 2024
L31MaxExpress
S
Quick P1345 question
stikxs
Jun 3, 2024
Replies
1
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72
Jun 3, 2024
Erik the Awful
P
Time for catalytic converters, or not
pontyackker
Jun 2, 2024
Replies
2
Views
155
Jun 3, 2024
GoToGuy
J
Marine intake up for grabs. (Free to good home.)
Jake_Caulley
May 27, 2024
Replies
7
Views
586
Jun 3, 2024
L31MaxExpress
C
Do I have to use same ECM with same spider injectors
Cambows
May 31, 2024
Replies
7
Views
275
Jun 2, 2024
Schurkey
T
Cam Setup For L31 350 Vortec
TStowell
Feb 1, 2024
4
5
6
Replies
58
Views
5K
Jun 2, 2024
TStowell
T
surging idle when in gear and stopped
zachary A makoff
May 14, 2024
Replies
2
Views
312
Jun 2, 2024
Sabinoerc
S
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