- Warrenty Advise
- Steering issues with 1991 K1500
- 5.7 HEMI or 6.0??
- Good aftermarket muffler?
- 8.1/allison
- A/C robbing power
- How many 8.1 trucks produced?
- 6.0 Aftermarket muffler
- 6.0 cat-back exhaust
- other gassers
- Minimum Usage of 6.0 L
- abs light and brake light on (wifes Yukon)
- 8.1 Engine
- P0756 code
- Stock 8.1 air intake tube on 6.0L - Opinions Please
- 6.2 Gasser
- Help 6.0 Is Running Wierd
- NY/VT Emissions???
- 5.3 2003 chevy z71 truck what is a good chip for a mileage increase.
- advice to wake up my 6.0
- A/C leak on a 2004 Chevy 3500 van
- Manual tranny?
- Service Manual Available
- L98 aluminum heads torque
- 1999 1 ton 454 problems.
- 2004 GMC PU 4 doors
- Noise from exhaust.
- 00 5.3 Transmission Problems
- 5.3 high oil pressure?
- tahoe ---fuel not getting picked up?
- Gasser mpg question 5.6 VS 6.0 mpg?
- Headers?
- 454 conversion to 496 or 502
- 03 1500HD 6.0 tow hookups and mods.
- abs question (sensor corrosion)
- 1/4 Times 2500hd
- 5.7 advice
- air systems for 6.0 vortec
- Coolant blowing out the overflow 6.0
- Best 6.0 gas tuner?
- Why oh Why! Stock Exhaust
- How long does the Vortecs last?
- two batteries
- 8.1 engine
- vortec max
- Difference in HP for 6.0
- 8.1 ????
- New 2007 1500 questions.
- 2001 Suburban ABS/Brake light??
- Max'ed out T-bar damage?
- Camper and trailer towing problem
- Just bought 03 ENVOY
- catalytic converter removal on the 8.1
- Got a custom tune by HP Tuners
- Maf
- opinions on the looks of the 2007 1/2-ton
- something unknown in exhaust
- y pipe
- gas mileage drop with 350
- beat a cummins in a 6.0
- Question About 06 Avalanche
- RPM on 8.1 with Allison 6sp 3.73 Gears
- No AC with "low fuel" light
- Plow package - how to tell?
- Help with 4L60E.
- Tow Haul Mode Use Question
- 5.7 and 6.0 Difference??
- DIC 4wd warning??
- Can anyone find me exhaust??
- diablo sport predator for 6.0
- Custom PCM or Programmer for 8.1 Big Block
- Crankshaft Position Sensor
- 8.1 Spark Plugs
- Do 03's have electrical problems?
- 5.3 trany problems? Can they be fixed?
- Whats faster 1/2 5.3 or 3/4 6.0?
- 05 trailblazer
- Tune Question (Torque Management)
- IT cranks but wont start then...
- CC/SB Flatbed
- Intake for 6.0?
- 96 gmc vortec-ac/heat probs
- 2007 HD Exhaust 6.0 liter
- 5.3 questions please help
- Torque Mngt on 8.1 L
- '88 4.3 not gettting power to fuel pump
- throttle body spacer
- 07 Yukon vs 06 H3
- H3 wheels on 2003 Suburban
- 8.1L Hard start, idles rough when cold
- "Stacking Programs"
- Can you fit 33"s on a.....
- Crank shaft position sensor loaction?
- Trans Temps
- 454 TBI where a 350 TBI was??
- what kind of axles do half tons have
- 2007 Tahoe/Yukon
- When will the 6.0 get the Allison treatment
- 5.7L Vortec getting bad fuel mileage
- Serious 8.1 Question
- serious 8.1 question
- Fuel Filter
- 5.3 questions, problems?
- Gas mileage with a 5.3 with 4'' lift kit?
- Need advice for 5.3 04 Suburban
- 8.1 Tsb
- Waite4me or other gas tuning guys.
- Fuel down the intake only way to start
- 8.1 in 2007
- No Fuel Filter !
- Need a little help with casting numbers.
- Cold start up issue
- Bully Dog Programs
- VIN # for 8.1 + 6.0?
- Trailblazer tsb
- '06 Vortec Max xmsn
- Wait4me hanheld.
- 5.7 intake manifold gasket
- Need help diagnosing 5.3 problem (mis-fire)
- 8.1 no start and shut down at speed
- brand new 4.3 leaking oil...
- 6.0 turbo
- fuel pumps 5.3
- fuel pump 5.3
- Looking at an 06 8.1
- 6.0 Spark Knock
- 2007 Yukon Denali XL
- Stacks on a gasser?
- Back up Camera
- Crank sensors and reluctor wheels....
- Dmax overheating info (talking about 8.1)
- Vendors
- Half ton forums?
- Steel Heads on my 2002 8.1???
- old 454 BBC
- Check engine light when towing.
- Any way to tell?
- EFI for 6.0
- Need help
- '03 Yukon- rocks in rear rims??
- exhaust questions for 6.0
- Difference in 2500 vs 2500HD
- Oil Pressure on 8.1
- Tune for 6.0?
- 8.1L Heavy Towing Q's
- Other GM sites for Gassers
- AAM 8.1/Allison,ratio
- 8.1 Tuning options
- Rottella in a GAS engine?????
- 2000 ( or 2001 ) olds bravada AWD question
- Biggest impovements on an 5.3?
- fuel line buzz? whats going on?
- 367HP 6.0 in all cab config.??
- Engine Block Heater
- My New 496 Emblems!!!!
- Anti Freeze smell/
- Buying a new Gasser..........................
- Funky Idle
- Best way to drain coolant- 8100
- 6 speed big block
- No Heat
- I need stuff for my 6.0 2004. chevy 2500hd
- Help me track down clunk in driveline
- 6.0 HP/TQ Ratings
- 2002 Tahoe Problems
- Fouled plugs at 85K miles!!
- Bully Dog Power Pup #43590
- Water pump
- 8.1L Dyno#
- removing cats on 8.1?
- Transmission Temp
- Tuners and milage
- 8.1L stumble and rough idle
- 5.3 Displacement on Demand
- 4.3 fuel pump
- new car
- Saw the new Silverado yesterday...
- Timing belt replacement on 3.4
- 8.1 engine parts
- spark knock
- Advice please.
- ignition question
- 8.1 tailpipe residue
- '99 454 7.4L Whipple
- 97 S-10 4x4 5 spd, any thing to look for???
- 6.0 hp needed
- Crank Position Sensor (CKP)
- IAC 5.7 idle too low
- Security light
- pre oilers?
- Effects of removing cat converter on 03 5.3 GMC?
- Trans problem - ideas?
- Edge products
- 8.1 not starting
- 2004 Denali 6.0 programmer
- 8.1 'chip' or 'tune' for better mileage?
- Mileage-Pulling vs Not Pulling
- oil use
- Speedometer Stuck
- WTF? Cooling issue
- 8.1 Production Numbers
- Timing a 5.7
- SES Light on 2001 Tahoe
- A/c
- Oil Pressure Guage Strange Readings
- Active Fuel Managment Questions
- 88 chevy won't start
- 99 6.0 2500hd?
- 1990 Idle Adjust Questions
- Cold Start Chirping
- 03 tranny pan
- GMC 8.1/Allison 4x4 question
- 4.10 or 3.73
- '92 S-10 4.3 problems
- Recommends for plugs & wires?
- obd141 code
- 1996 350 vortec ecm problems
- how tuff is my tranny
- Searching for a Suburban 2500 (and maybe Yukon XL Denali)
- 8.1L Lo-Mid range Headers
- Are there any other 1500HD owners?
- Question Regarding 2 tanks
- brakes
- E-fans come stock on a 07 classic 5.3???
- 1992 5.7 occasional stalling????
- 900 series rear axle question
- popping noise in floor board
- mods for 6.0 2500
- 8.1 or duramax.
- Express Gauge Pods.
- looking for tech info with 427 or 366 chevy gas engine, distributor problems
- Fast 6.0
- 6.0 mods
- Volt Gauge Screwy
- miss on 5 and 7
- Fuel gauge
- 5.3 programer ?
- "Reduced Engine Power" message????
- Exhaust Brake
- Howling at light throttle application or coasting
- HELP!!!!! 97 K2500 4x4 Sub Breaks
- Automatic Locks
- Power upgrades...
- "California Emissions" - technically what's the difference??
- 1981 5.0 problems
- Which config. GMT900 will be the fastest???
- Service engine light came on
- 6.2 Gas
- 04 Envoy headlights don't work
- 6.0 Help