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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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99 L29 454 build
Today at 1:12 AM
L31MaxExpress
LSX + Carb Swaps
This section is for info on LSX or carburetor swaps into the OBS trucks.
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634
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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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New Y-pipe and cat for the old girl
Yesterday at 5:53 PM
L31MaxExpress
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Gas Mileage
Nick88
Monday at 12:40 PM
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131
Monday at 12:40 PM
Nick88
V
Hello my cheyenne 97 idle rough and accelerate poorly. At idle it sound like it as a cam in it.
vanec
Monday at 11:33 AM
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55
Monday at 11:33 AM
vanec
V
K
#1 cylinder damage from exhaust valve question
kyrios Eustace
Monday at 11:04 AM
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5
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141
Tuesday at 10:22 AM
kyrios Eustace
K
J
1990 c1500 Engine Upgrade Questions?
JGM350
Monday at 8:47 AM
2
3
Replies
24
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443
Monday at 1:45 PM
Scooterwrench
383 Build
BigIron002
Sunday at 7:07 PM
2
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18
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495
Tuesday at 11:27 PM
BigIron002
S
1993 5.7 TBI injectors spray intermittently at start up
Stu925
Sunday at 4:33 PM
2
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10
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251
Tuesday at 5:08 PM
Stu925
S
C
Holley tbi
CRider
Sunday at 2:28 PM
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9
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217
Sunday at 11:31 PM
Schurkey
M
Building a stroker motor
Moofus02
Sunday at 12:45 PM
2
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19
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616
Monday at 6:36 PM
rebelyell
R
89 k1500 gets warm only on the highway
Nopainnogain445
Sunday at 12:03 PM
2
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19
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377
Monday at 10:23 PM
Sean Buick 76
M
What is a good o2 crosscount number for a 1994 350 tbi
man-a-fre
Sunday at 9:07 AM
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2
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118
Monday at 1:49 PM
man-a-fre
M
3
Gas flow
338Lapua
Saturday at 3:52 PM
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1
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98
Saturday at 10:28 PM
Schurkey
'93 K3500, 454 TBI, poor drivability
Idaho83815
Saturday at 3:09 PM
2
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22
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579
Yesterday at 12:34 AM
Idaho83815
A
Fuel tank strap issues
alreadyded
Saturday at 2:51 PM
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8
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219
Sunday at 12:42 AM
alreadyded
A
4
7.4 swap c1500 tight on the passenger side
454C1500
Saturday at 1:43 PM
2
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10
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461
Monday at 6:30 AM
618 Syndicate
Cold start squeal
vince72
Saturday at 12:44 PM
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4
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142
Saturday at 2:39 PM
movietvet
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