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Street and Track
Engine Performance + Maintenance
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LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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9
5.7 vs 5.3 mpg increase
92yukon
Feb 1, 2016
Replies
5
Views
17K
Feb 4, 2016
GMRedline
5.7 TBI to 5.3 LM7
D-Day
Feb 26, 2024
Replies
9
Views
780
Apr 30, 2024
Schurkey
5.7 carb or 5.3
Chad
Oct 17, 2011
2
3
Replies
22
Views
7K
Jul 29, 2013
ls>lt
L
5.3L swap wiring help needed
scott_williams2
Dec 12, 2020
Replies
3
Views
5K
Dec 12, 2020
stutaeng
2
5.3L Swap into 92 Silverado 5 speed
24c3
Dec 6, 2012
Replies
3
Views
14K
Dec 27, 2012
TylerZ281500
5.3L flywheel l setup?
SixPointTwo
Oct 5, 2015
Replies
4
Views
2K
Oct 10, 2015
skylark
A
5.3 swapped OBS fueling issues possibly wiring related HELP
AaronP
Sep 6, 2019
2
Replies
11
Views
2K
Oct 24, 2019
AaronP
A
5.3 swap question
350chevy719
Aug 24, 2015
Replies
7
Views
2K
Nov 20, 2015
K30burb
K
5.3 swap into an '89
'89/'92Chevy/GMC
Apr 24, 2010
2
Replies
15
Views
21K
Oct 16, 2010
sammygroundzero
S
5.3 swap into 92 2500
squeaky3
Mar 3, 2017
Replies
6
Views
3K
Mar 21, 2017
Bob L
5.3 swap into 88 scsb
Works4truckparts88
Jan 1, 2021
Replies
4
Views
3K
Jan 30, 2021
tlenzi
T
J
5.3 Swap crank but no start, Urgent
Jackslaw64
Jan 6, 2023
2
3
Replies
29
Views
3K
Jan 11, 2023
Jackslaw64
J
8
5.3 or 6.0????
88gmt400
Jan 22, 2014
Replies
5
Views
1K
Jan 23, 2014
LOWnEASY
L
5.3 or 6.0 swap questions
92GMC
May 24, 2011
Replies
2
Views
2K
May 24, 2011
97_chevy
S
5.3 no spark passenger bank
sync
Aug 1, 2021
Replies
7
Views
7K
Oct 2, 2021
sync
S
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