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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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What tuning do you guys run?
Thatfordguy
Jan 12, 2017
Replies
6
Views
6K
Jan 13, 2017
boredandstroked
B
What to look at, for fixing lopey idle and running rich?
HotWheelsBurban
Apr 23, 2024
2
Replies
17
Views
725
Thursday at 8:48 PM
Sean Buick 76
L
What size bolt fits holes in rear of L31 Vortec heads?
L31 Vortec swap
Mar 28, 2015
Replies
3
Views
2K
Mar 31, 2015
SixSpeedSS
S
what rpms is a stock vortec 350 good for?
shownshine55
Apr 13, 2013
Replies
4
Views
6K
Apr 14, 2013
shownshine55
S
K
what octane gas?
k_pro1992
Mar 24, 2013
Replies
7
Views
5K
Apr 22, 2013
SkyHighColorado
V
What mods can $1000 do for a 1998 Vortec 5.7?
Vortec Lover
May 9, 2012
2
3
4
Replies
32
Views
234K
Mar 9, 2013
2000CCSB
R
What length push rods will I need if I have a 525 lift cam and 1.6 rocker arms
Rckybobby26
Dec 11, 2021
Replies
7
Views
4K
Dec 25, 2021
Schurkey
R
What in tank fuel pump should I use in 5.3 ls swap
Rlnban81
Jul 19, 2020
Replies
5
Views
9K
Jul 26, 2020
L31MaxExpress
What heads come on the GM Vortec crate engine
BOTTLEDZ28
Jul 22, 2018
Replies
3
Views
2K
Jul 23, 2018
884x4310ci
8
What goes into De-Californifying our trucks?
99'Subourbon
Feb 21, 2014
2
3
Replies
22
Views
5K
Feb 24, 2014
magimerlin
What exactly are these for?
OnxyTheK3500
Jul 11, 2023
Replies
1
Views
538
Jul 11, 2023
Nad_Yvalhosert
N
what else for performance
nortex
Dec 27, 2012
2
3
Replies
22
Views
4K
Feb 5, 2013
silverado13
H
What cam for single cab 2WDshortbed with new L31R
homeslice
Oct 12, 2018
3
4
5
Replies
41
Views
21K
Jul 11, 2020
Brandon97
B
J
What all goes into an EGR delete?
jarede525
Dec 7, 2013
2
3
Replies
25
Views
11K
Dec 26, 2013
brockstar15
B
M
Wet plugs one bank 1997 5.0L
michael hurd
Aug 6, 2012
Replies
4
Views
1K
Aug 7, 2012
JonZ71
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