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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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19K
Threads
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Another 454 Vortec Build Thread - Documenting, Q&A, Help
Today at 4:43 AM
Bachert24
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
Threads
634
Messages
7.9K
Threads
634
Messages
7.9K
5.7 TBI to 5.3 LM7
Tuesday at 6:36 PM
Schurkey
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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13.9K
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13.9K
New Y-pipe and cat for the old girl
Yesterday at 5:53 PM
L31MaxExpress
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Young guy replacing an engine for the first time; any advice or recommendations?
MountainMan300
Apr 26, 2020
Replies
3
Views
540
Apr 26, 2020
alpinecrick
A
You gotta see this....383 timing chain cover....hole!
Wardi
Jul 12, 2014
2
Replies
14
Views
3K
Jul 13, 2014
TylerZ281500
you gota see this
bowtie-till-i-die
Jan 22, 2012
2
Replies
10
Views
1K
Jan 22, 2012
ndians68
N
Yikes! Compression!
L31MaxExpress
Feb 22, 2021
2
3
Replies
27
Views
4K
Mar 19, 2021
Erik the Awful
S
Yet another mystery problem... 92 K1500
shibbershabber
Jun 10, 2013
2
Replies
10
Views
2K
Jun 12, 2013
///RAGMC
Yet another misfire...
TruckinAin4Sissies
Nov 8, 2011
Replies
6
Views
1K
Dec 11, 2011
TruckinAin4Sissies
Yet another air conditioning thread!
cjmspartans
Jun 10, 2021
2
Replies
10
Views
4K
Jun 10, 2021
cjmspartans
Yes, Another oil pressure thread
SierraVortec
Jul 26, 2014
Replies
2
Views
965
Jul 27, 2014
95chev
Yes, Another "Help Me With My Miss!" Thread.
Horns
Apr 30, 2013
2
3
Replies
26
Views
3K
Jun 17, 2013
badazzbulldog
Yes its an LS but I don't believe it is LS specific
skylark
May 27, 2014
Replies
3
Views
899
May 27, 2014
SAATR
Yellow Spark No Start
Frank Enstein
Sep 27, 2021
2
3
4
Replies
37
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5K
Oct 15, 2021
Frank Enstein
Y pipe on sm465 4x4???
Oldmoby89
Jan 14, 2017
Replies
2
Views
772
Jan 14, 2017
Oldmoby89
Y Pipe Gasket problem
610 4x4
Apr 13, 2021
Replies
1
Views
1K
Apr 13, 2021
Schurkey
Y pipe flange dimensions.
6chevy9
Mar 15, 2010
Replies
0
Views
1K
Mar 15, 2010
6chevy9
F
Y pipe differences
Firewood truck
Mar 30, 2024
Replies
7
Views
463
Apr 5, 2024
Erik the Awful
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