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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
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19K
Another 454 Vortec Build Thread - Documenting, Q&A, Help
Today at 11:03 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
T
How To: Ditch EFI and keep TBI PCM for 4L60E Control.
Today at 11:21 AM
tayto
Exhaust
Anything exhaust - from headers cats and pipes to tips.
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1.1K
Messages
13.9K
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1.1K
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13.9K
New Y-pipe and cat for the old girl
Today at 7:46 AM
Tomcat71
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Loping Driving Me Nuts!
Classic-00-Crew
Oct 4, 2014
2
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16
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2K
Oct 10, 2014
Classic-00-Crew
Fuel Spider
Hotwheelbill
Oct 9, 2014
Replies
3
Views
587
Oct 10, 2014
superdave
N
98 cheyenne 5.0 vortec. Best upgrades?
Nef.t
Oct 4, 2014
Replies
4
Views
3K
Oct 10, 2014
Aloicious
Raised y pipe?
smurfcivic
Mar 17, 2013
2
Replies
12
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Oct 10, 2014
hybrid1
L
Contemplaiting ls swap 97 hoe
Luke(MI)
Oct 2, 2014
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2
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640
Oct 10, 2014
hybrid1
97 GMC LS SWAP!!
kyle's sierra
Oct 1, 2014
2
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13
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2K
Oct 10, 2014
hybrid1
Help: Seized A/C Compressor Pulley - Belt Size w/ Bypasser Pulley?
99'Subourbon
Oct 8, 2014
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3
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1K
Oct 9, 2014
SAATR
M
I'm thinking about buying a performance scanner
Mackbuster
Oct 9, 2014
Replies
2
Views
618
Oct 9, 2014
Jrgunn5150
D
very poor idle
dusty400
Oct 8, 2014
Replies
2
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441
Oct 8, 2014
dusty400
D
5.7 vortec serpentine belt
jt1500
Oct 7, 2014
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7
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2K
Oct 8, 2014
jt1500
cold starts?
jt1500
Oct 2, 2014
2
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12
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2K
Oct 8, 2014
1994GMCSierra
T
decisions decisions.....
Tharry91
Oct 7, 2014
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616
Oct 7, 2014
Tharry91
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D
97 Vortec 454 whipple install
Dirtymutt9
Oct 4, 2014
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545
Oct 4, 2014
Dirtymutt9
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1997 K1500 5.7 Vortec will turn over but will not start????
love2heargobble
Oct 3, 2014
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497
Oct 3, 2014
love2heargobble
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tbi-carbed/vortec?
dylanellis
Oct 1, 2014
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876
Oct 2, 2014
polar
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