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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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18.5K
Threads
1.2K
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18.5K
12200411 PCM swap for 1996 to 2000 GMT400 trucks
Today at 6:16 PM
L31MaxExpress
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
Threads
629
Messages
7.8K
Threads
629
Messages
7.8K
J
Carb swapped ‘97 vortec - SUCCESS!!!
Monday at 2:25 PM
jockito
Exhaust
Anything exhaust - from headers cats and pipes to tips.
Threads
1.1K
Messages
13.7K
Threads
1.1K
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13.7K
Long tubes
Yesterday at 11:36 AM
revmatcher
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J
97 Yukon starter issue.
Jeremy1997
Dec 30, 2018
Replies
2
Views
563
Dec 31, 2018
Gramps
Getting ready to replace engine, need opinions please.
Jorge6.5
Sep 8, 2014
2
3
4
Replies
39
Views
7K
Dec 30, 2018
Supercharged111
S
Air intake?
Cheyenne
Jan 18, 2018
6
7
8
Replies
70
Views
27K
Dec 29, 2018
Supercharged111
S
Upgrading glow plug main feed?
Svein
Dec 27, 2018
Replies
2
Views
312
Dec 27, 2018
Svein
'97 C1500 4.3L V6 Oil Dipstick Tube Seal
df2x4
Sep 19, 2018
2
Replies
10
Views
3K
Dec 27, 2018
df2x4
T
Ls swap underway! What to do with old wiring?
TeamMallstarRacing
Jun 2, 2017
Replies
2
Views
3K
Dec 27, 2018
RDF1
whats the best way to make 330ish hp...
Rob C
Dec 4, 2018
6
7
8
Replies
70
Views
12K
Dec 27, 2018
Rob C
O
Heater hose part number
onspeed
Nov 30, 2013
Replies
2
Views
7K
Dec 26, 2018
Bimbo Wrangler
B
No Fuel Trim Readings on SUPER Rich 5.7 Vortec
LoCascio_Inc
Nov 3, 2018
Replies
6
Views
5K
Dec 26, 2018
LoCascio_Inc
how hard is it to swap engines.
Dusnoetos
Dec 18, 2018
2
3
Replies
23
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4K
Dec 25, 2018
Dusnoetos
Exhaust?
Sideburnz
Dec 23, 2018
Replies
6
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2K
Dec 25, 2018
MarkZ28
M
L
Need help on fuel pump harnes
lit549
Dec 18, 2018
Replies
7
Views
8K
Dec 24, 2018
Ken K
M
5.3 headers
matthew lane
Dec 22, 2018
Replies
1
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947
Dec 24, 2018
c1500deathtrap
C
K
Gauge climbs after ten minute radiators cold?
Kv5137kv5137
Dec 23, 2018
Replies
6
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612
Dec 23, 2018
Kv5137kv5137
K
I
91 K2500 stopped trying to crank, worked hours prior? Please help
iNFiNiTY125
Dec 19, 2018
Replies
5
Views
821
Dec 22, 2018
Eveready
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