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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!
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L31 Extreme Budget Build
Today at 4:09 PM
L31MaxExpress
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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644
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Welp, got a doner.
Monday at 7:51 PM
skylark
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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Weird Black Soot in my Exhaust
27 minutes ago
L31MaxExpress
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EGR delete
flyboy1294
Sep 10, 2011
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4
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62K
Sep 21, 2011
Chris
Windstar Electric Fan Install
am92
Jun 6, 2012
6
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8
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77
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62K
Nov 14, 2021
Traveling man
T
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Are TBI 350’s just this sluggish?
BradHSo
Aug 27, 2020
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9
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62K
Sep 29, 2020
PlayingWithTBI
Unhooking TBI Engine Wiring Harness
davbell22602
Apr 5, 2011
2
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10
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62K
Apr 6, 2011
dirtridinz71
8.1 Swap?
98Murray
Aug 7, 2015
3
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43
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Apr 19, 2021
618 Syndicate
Poll
Low buck TBI truck Cams
66NovaSS
Feb 27, 2020
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8
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61K
Apr 5, 2020
66NovaSS
Best cold air intake for 350 TBI
95Escahoe
Feb 4, 2013
4
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6
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Mar 13, 2013
1993-Sierra-Z71
M
Timing advance is extremely retarded on 96 5.7 vortec
Mason Cramer
Jul 8, 2017
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7
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61K
Jul 13, 2017
redfishsc
Cam upgrade for 1997 Vortec 5.7 L31 with 210k
97K1500Silverado
Dec 4, 2020
2
3
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Apr 2, 2022
JeremyNH
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are there two coolant temp sensors on 98 vortec 5.7?
munly
Jul 23, 2014
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57K
Jul 23, 2014
98_k1500
9
how to bypass the security
98vortec
Oct 17, 2017
2
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Sep 9, 2023
OnxyTheK3500
Removing Charcoal Canister
93SierraWT
Jul 12, 2011
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Feb 20, 2017
nathank23
Check Gauges Light
Justjoshiny
Oct 2, 2013
2
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Jan 4, 2021
xXDatJustHappenedXx
Has anyone done a CSFI to MPFI conversion
NathanY
Jul 20, 2011
2
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15
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56K
Jul 26, 2011
MOBS
R
FiTech EFI for 350 TBI/Vortec
RickardEriksson
Nov 30, 2016
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55K
Jul 24, 2019
Derick
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