View Full Version : LS4 Performance
- gxp brake replacement
- dod delete help!!!!
- Cylinder head flow numbers
- GXP weather stripping?
- while the transmission is out
- Could be a new GXP owner tomorrow, need some advice.
- USB port
- abs, traction control...
- looking for a quiet performance muffler
- Decisions decisions....
- Is Your Shifter Stuck in Park
- Help with hid install!!!
- Sea Foam Trans Tune
- HELP! Grand Prix GXP engine problem!
- trans coming out again
- Torque Specifications
- replacing the timing chain with a c5R
- Broken Dash & Mangled Radio/Nav Unit
- Bye Bye GXP
- Detroit area LS4 specialist
- want to buy a gmr 1in chain
- 240sx/LS4 swap
- Strut bar brace bracket
- cut some cool key chains on the laser
- 06 SS Impala Question
- Seatbelt not fully retracting
- Upgrades
- questions about LS4 engine
- Meet the GXP's replacement...GXP for sale lol
- roller rockers from vinci
- LS6 Intake Manifold-Help
- Finally Finished my A Pillar with wideband and boost gauge
- 305 35 18 on the ss at track runs 11.9
- Brakes
- DashHawk Replace Cable/OBD II Monitors
- Thermostat
- Plugs and wires for 2006 gxp
- questions on hp tuners
- dealer malarkey?
- should i replace my oil pump while doing the cam
- Do these cars eat batteries?
- Battery going dead?
- heads up display
- 2005 Gxp with 2007 motor
- strut mount question
- sqeak around turns
- HUD lense replacement
- Wheel spacers Witch ones
- So is there any struts that we can buy for the gxp that will just drop in
- maf
- removing rear seats?
- programmer
- bad vehicle speed sensor
- wtb non dod rockers, ls7 lifters and lifter buckets
- Turbo Impala SS For sale
- huge power steering leak
- Bilstein blue b6 strut boots
- Monsoon 6x9 replacements?
- ls4 for sale
- GP GXP Surging...DoD issues?
- Coil spring upgrade
- LS4 mileage
- ls1 cam swap
- Gxp key fob
- OBX header review and issues.
- Input seal leaking after 2000 miles
- 2793.10
- My mpd hood!
- Transmission Time!
- New To Tuning - Questions and Suggestions
- How much can you widen factory Impala SS rims?
- Trans or TC?
- those with TEP trans-
- trans cooler
- trailing arm upgrade
- Coilovers monte carlo SS
- remote programming
- TC lockup questions
- BMR suspension
- Limited Slip
- downpipe
- MPD Hood + Don Rome Strut Tower bars
- LS4 HP Tune repository
- OBX headers & TruBendz 3" Stainless Catback tubing kit w/Jones Stainless Mufflers
- As always I need some help
- lookin at a SS impala
- Transmission cooling line leak
- Need DoD Tuned Out. Located in Ohio
- 07 GXP Turbo for sale - testing the waters...
- Traded Imp SS, selling the DR strut tower braces w/ brackets
- I installed my shift kit
- I wanted a 2011+ V Coupe so bad...instead...biting the bullet...
- LS4 Wiring - VSS
- GXP Boltons+tune Dyno results
- Exhaust
- changing battery
- LS2 or LS7 MAF sensor
- The LS4 for beginners: a primer
- Sensa-Trac Struts
- L76 Cam in the LS4
- Can someone explain Fast92 Intakes?
- LS2/LS3 valley cover for dod delete
- ls4 swap in saturn aura?
- non adjustable rocker arms. will these work?
- any interest on splitting poly upper mounts?
- Stiff springers in all 4 corners?
- intake
- Suspension Mega Thread- All Performance and OEM related threads here
- new 2006 ss owner
- Attack of the Mysterious Thunk
- GXP trunk is leaking water like crazy!!
- Need some help - 06 monte carlo SS Several request
- Hello im new to the family
- Nos ls4
- Buick Lacrosse Super - Broken tensioner bolt!!!!!!!!
- HP tuner / gear ratio / 3.29
- 110 leaded gas is my car ruined?
- Anyone try Rhoads Lifters recently?
- Max cam lift with STOCK lifters?
- 2008 gxp misfire
- 2007 Impala SS Engine Removal procedures?
- would you buy a 2006 impala ss
- ordering cam, what all do i need
- ls4 in sts
- inake manifold
- heater problem
- Spherical bearing upper mounts.
- Eliminating DoD - specific questions
- cam and bolt ons
- LS4 internals. Few questions for LS4 owners
- W-Body 4T80e swap
- Handling problem
- Will a gxp trans work in a impala?
- Another TRANNY bites the dust 144,xxx
- 'Catch-All' thread for LS4 upgrades?
- GXP Window Noise
- saving up to get the monte ss with the ls4
- Gxp rotors on SS impala
- New recall for Grand Prix's
- Evap smoke machine
- LS4 front wheelers
- Impala SS Light tapping engine sound?
- need help!!
- zzp aluminum trans pan
- LS4 swap oil pans
- My Impression of AutoEngenuity
- Traded in the Monte
- 1.8 roller rocker, tune
- Curious about these Transmission
- 06 Impala SS no heat
- the new guy
- Forged pistons and rods?
- stock axles
- Newbie. Looking for help with exhaust mod on my 06 Impala SS
- Former LS4 owner/WTS Nitto drag radials
- 10-25% under drive balancer interest?
- Bilstein Shocks - Unavailable
- Rear poly mount - need input!
- Drag slicks
- Intercooler + Trans cooler
- Heads, Cam, and Edelbrock Pro Flo XL intake
- Accel Coil packs for sale
- traction control help!
- brembo or wilwood caliper upgrade
- need help with harmonic balancer
- Spyder Lights
- New CO GXP owner
- gear ratio hp tuner
- Ultimate LS4 Buildup ??? You tell me.
- a/c delete
- Meth injection issue Misfires
- 06 Impala SS Tranny and Half Shafts
- quick cam question
- Some decent track times
- Cam sensor
- Grand Prix GXP
- GXP muffler which one??
- need 30 people for gauge pod group buy who's In?
- ls2 cam
- gauge pods
- Brembo Calipers ?
- Ghost Cam
- turbo install progress
- Monte Carlo SS with Cartuning kit at Flint, MI Back to the Bricks
- Brother broke Glovebox Handle!
- any tips on swapping out the rear window motor/regulator?
- Turbo parts all ceramic coated :)
- Shifting Question
- Anybody snap their front sway bar???
- oil pan gasket
- Stock intake porting
- Transmission finally out
- engine support location
- Made a couple dyno pulls today
- Intake swap ?
- What times do u guys think the turbo will get me?
- Turbo Time
- Question about ls6 intake swap
- About to begin LS4 swap on my 06 Monte, have a few questions about its performance?
- Sport Edition F11 Wheels 18"
- Spark Plug Life
- Camshaft for a o6' SS Monte Carlo
- whats it worth?
- LS4 Intake and Exhaust Modification
- Nice burnout
- knock sensor location
- Transmission as always
- **need help finding parts**
- In the market for a new cam
- Removing transmission next week , need some parts
- 06 gxp vs cammed 95 mustang 5.0
- noise and temp on 2006 grand prix gxp
- Check out these Louvers
- Abs And Traction light
- different resonator
- drag radials
- Is this the right wire set?
- trans filter problems
- Question about this purchase...
- Tep Transmission
- brake pads
- some cam info
- What would you do turbo or firebird
- m/t street comp uhp
- difficulty of replacing lifters?
- Engine Removal ?
- For Sale Noah series California Car Cover for 00-12 Impalas BRAND NEW
- BIG BRAKE KIT SS lines, 14" Camaro Brembo's, C6 rears, GXP knuckels, pad, rotors $500
- r.r whats needed
- First time out with the Impala SS
- Turbocharging VS LS4 Swap on '06 Monte Carlo 3.9?
- weird trans issue
- Tach output?
- Is my caliper getting stuck?
- Cruise Control??
- Plug wire installation?
- Consensus on GXP rear camber
- More issues with this GXP. rear speaker issue
- running rich after new intake
- p0455
- Whats the in and out line of our transmission?
- Help! Transmission hose blew off radiator and lost all trans fluid
- catch canwith ls6 intake
- dod solenoids
- Replacing engine / transmission mounts
- Headers
- does my 08 GXP have a glove box light?
- GXP jack points?
- Squeaking (Schreeching) in reverse
- Speedometer jumps then car dies