- Crazy ass idea...LS4 swap a JDM sedan
- LS4 front accessories
- Found part of timing chain tensioner in oil pan. How urgent is this?
- Mysterious Disconnected Coolant Hose '08 Lacrosse Super
- steering angle sensor or c0710
- Ls 6.2
- Please come check our new website for Black Friday!
- Spark Plugs
- Quick question
- ac compressor bolts
- fuel injector upgrade
- ZZP Rear Sway Bar
- Air compressor
- Gxp E-Brake
- wheel speed sensor harness
- Throttle body vacuum line?
- motor mounts
- 2005 Grand Prix GXP transmission cooler question / problem
- Grand Prix GXP
- GXP Rear Hubs
- Post pics of your ls4 car
- coolant temp sensor
- Random misfire
- Will bad LCA bushings cause an occasional clunk?
- Oil leak and ticking sound problem
- I’m back! 07 gpgxp question - charging system failure
- Can’t get enough of this FWD bastardized V8 car haha
- Belt Tensioner Needed
- 2006 Grand Prix GXP. Problem (Thoughts)
- Ive been contemplating on doing a LS4 swap on the 2009 Chevy Traverse.
- 2008 Impala SS, P0300. P0302. P0420
- Question
- Noisy rockers, seemingly low oil pressure, leaking headgaskets
- 07 GXP radiator fan issues.
- Chevy Impala SS 2006- Rattle in engine middle height.
- transmission codes
- ***LS4 Performance Stickies & FAQ***
- Sad day in MN, Insurance claim?
- Grand Prix GXP front lower control arm info
- looking for pictures of LS4 crank versus Standard 5.3 RWD crank.
- Lower Steering intermediate steering shaft, need install instructions.
- Ls4 charging problem
- Advice Wanted - Transmission 07 GXP
- 08 gp Gxp fan problems
- Guide: How to Install a Transmission Cooler on a 2005-2008 Pontiac Grand Prix GXP
- Water pump manifold
- Oil "consumption" suspicions
- Maintaining an 06 Grand Prix GXP, 201k+ miles, 4th transmission.
- New guy with an LS4 swap project
- Map sensor
- Cooling fans seem weak
- ls4 swap into base GP
- Prevent DIC From Dimming?
- Prepping for LS4 Swap
- LS2 Swapping my 2006 SS Monte Carlo
- LS4 Oil Pressure Issues
- solution to mount LS4 BEHIND drive wheels?
- Intake Swap
- Overheating issues
- 2007 GXP ecm fuse blows when key is turned on
- Ls4
- Rear Brake Backing Plate
- The Check in
- Intake Manifold
- What is the correct ACDELCO coolant temp sensor part number?
- The FWD Challenge!!
- Supporting Engine For Trans Removal
- ABS and traction control delete .
- My 08 Lacrosse Super Cammed
- Block Heater
- Passenger presence occupancy sensor
- Lacrosse Battery tray
- Burnout
- Clicking Sound
- rear brake backing plates
- Just a little vid.....
- 07 Monte Carlo SS exhaust
- Intro and questions about the GP GXP
- ls4 afm delete
- 2006 GXP Roller
- Passenger Radiator Fan
- What 2015+ cars are comparable replacements for Grand Prix GXPs?
- Where to get LS4 TB ON LS1 adapter
- LS4 Accessory Drive & LS3 ??
- Rear brakes and rotors
- tuning LS4
- 1995 LT1 Trans Am Acting strange
- Torque Pro app on IOS
- Impala SS only runs right w/ scanner
- GXP load tire load rating?
- LS4 Oil Pressure Dilemma
- LS4 Oil Pressure Dilemma
- Exhaust
- Battery Tray
- Motor Mount Recommendations!
- Rear drivers side thump
- Grand Prix gxp cut out questions
- Grand Prix GXP front head removal help
- Very low oil pressure on cold starts.
- Grand Prix GXP stock strut replacement?
- LS4 Driving me CRAZY!!!!
- K&N 5.3 Cold Air Trade for 3.8 Cold Air?? Grand prix
- Ws6store/RPMSpeed LS4 parts!!!
- P0521 won't go away.
- AFM took out my LS4
- 4t65 sonnax tcc apply valve
- Wanted 2007 Pontiac Grand Prix GXP
- 06 GXP struts/springs question
- 3rd CV Axle failed In 2 months.
- Dic
- GXP with dual mode NPP exhaust (pics)
- B1516 Battery Current Sensor
- Cam for my GXP? Which one?
- 08 Grand Prix GXP stalling speedo jumping
- 06 GXP transmission rattle in 3rd gear
- Hardened Push Rods?
- LS4 fuel rails/injectors
- P2138 code with traction control service light!
- LS4 1 7/8 Long Tube Headers?
- What brand(quality) when buying lca’s
- New Member
- click sound then it cranks?
- How to remove d o d
- LS4 Engine Rebuild ideas
- Need help with 2005 GP GXP
- I’m back!
- TB adapter for LS6 Intake Swap
- Spring Retainers for PAC1218
- Shortblocks
- abs module
- code C0050-5A
- A/C install Question
- Factory auto start not working
- pillar trim
- C/V axle
- Need Help forgot something
- 2006 Grand Prix GXP vacuum line damaged
- MMS Tubular Rear Cradle
- E85 flex fuel kit and Poly urethane Mounts
- Grand Prix GXP locked in park and won't start.
- 06 Monte Carlo ss headers
- LS4 Reluctor wheel issues (crankshaft)
- Grand Prix GDP questions
- Oil Catch Can for GXP LS4 instal
- best programmer
- Stalling while driving
- New LS4 Owner
- knock sensor
- Another Cyl 1 misfire thread...but this time with a promise of a report back...
- LS4 Rebuild for '08 Impala
- Wiring diagram for DOD
- Can a 3.8 be replaced with an Ls4!
- DOD Defeat Question
- crashed white gxp black fender stripes MN
- Identify these parts?
- Grand Prix GXP preventive maintenance tips
- LS4 Upgrades
- 2006 GXP parts on 2008 Lacrosse Super
- GXP Exhaust
- Aftermarket Intake Options
- Vent Visors - What to use?
- Failing ECM???
- GXP parts manual?
- Headers
- Low beams
- Tensioner issue
- GXP rear calipers and rotors
- LS4 Oil Pressure
- Transmission Tempurature
- Pulled the Trigger on a GXP
- Addco 639
- Spyder CCFL headlights
- Collapsed Lifter
- Ambient temperature sensor problems
- Latest and greatest battery
- Drag Radials for Impala/Monte Wheels
- Minnesota Car show
- gas tank siphon
- Hud Display
- 2004 chevy monte carlo ls
- 2005 GP GXP LS4 Oil Pressure pigtail wire colors
- Electrical gremlins on my Monte
- LS4 Thrown Rod - Options/Routes to take
- which spark plugs
- GXP hesitating
- Door locks
- 4T65e Trans-go Kit
- Charging issue - 07MCSS
- eBay GXP item find
- 06 07 monte ss TB schematic
- Chevy TB wiring schematics
- I can't make anymore TB adaptors
- A/C off to Protect Engine . . .
- DOD Delete
- Ngk tr55
- 2007 monte now hesitates.
- intermittent charging issue.
- 2008 GXP left me stranded...got any suggestions?
- Transmission cooler fittings
- Charging system failure
- How to change the water pump on a LS4-5.3L V8 engine in a Monte Carlo SS 2006
- Bell Housing bolts and transmission mounting brace bolts
- HELP! Total loss of throttle!
- Too late?
- take me to school.. 2007 ls4 / 5.3l car
- non adjustable rocker arms and EOIC
- 2007 monte carlo SS mas senor?
- transmission
- 2008 GXP, engine and transmission R&R
- Cold Air Intake
- Ls4 engine swap
- Tighten gas cap help
- Front wheel bearings please help!
- Intake Camshaft position sensor
- Donor Tranny or rebuild?
- 5-114 bolt pattern 5.59 backspace 42mm offset
- P0449 Code - Evap Issue
- 3.6L to V8 Swap in 2005 LaCrosse?
- Winshield Cowl
- Anyone swapping long blocks on these?
- Suspension updates
- transmission swap from an older donor
- Ls4 engine swap
- Weather stripping
- Tpms
- Transmission rebuild
- Help with wideband selection
- Caliper bolts torque specs??
- Weird Misfire Issue
- A little update since ive have neglecteced to post here in awhile
- Will a Lq9 cam fit in the ls4
- Is this right?
- Anyone with an Impala running 8's in the front and 7's in the rear?
- Used Turbo Kit, Anyone?
- P1682 code
- 08 gxp grand prix oil pressure code
- Transmission oil cooler
- Strut options now?
- Installing a transmission cooler for a 2006 Impala SS
- GXP Emblem Placement
- ZZP rear sway bay
- 2003 Monte Carlo BCM not going to sleep
- 235/249 lift on ls4?
- 06 GXP-Reduced Engine Power/Turns off Traction Control
- cam for ls4
- Grand Prix Forums.Net
- LTFT After Header Install
- Any Used Parts for SALE for LS4
- Intake swap by shop
- Assistance needed