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View Full Version : LS4 Performance


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  1. help with replacing antifreeze/coolant
  2. Redline Oil the competition for Royal Purple
  3. West coast GXP prices...
  4. Wheels I'm looking at anyones thoughts?
  5. I hate animals/roadkill!
  6. Had A Little Fun Getting My A$$ Kicked
  7. Hogan DP
  8. Shady? Could I get some support here from the people I've sold/bought products from?
  9. Speaker demensions
  10. Popping My Cherry At The Track
  11. How about roll call
  12. Happy 4th of July
  13. Good place to install exahusts?
  14. July 4th Clear Bra Special
  15. what's next
  16. Insurance
  17. Finally Found a Car
  18. service recall
  19. Inside of car is stinky
  20. led tailights question
  21. LS4 on TH350
  22. GXP engine light
  23. Exhaust hanger(rubber band)
  24. rockers???
  25. Help Mods
  26. When I fiirst got the SS
  27. Heat soaked maf/iat sensor
  28. Shorter Dogbones
  29. WTB: Diablo Tuner 2006 Impala SS
  30. Working on Eleanor
  31. MAF sensor position question....
  32. FS: 2006+ Monte Carlo SS front spoiler/valence - $200 obo
  33. Hawk HPS Street Brake Pads
  34. a few things for sale
  35. Rotor question and if so anyone need a good used backup set of rotors
  36. Cat and mouse with a 5 series
  37. Everyone loves a parade.....
  38. need help
  39. Anyone know where the VSS Wire is?
  40. Question about Nitrous and other parts?
  41. For those who want Headers and new intake...
  42. 14.6...really????
  43. LS4 production numbers?
  44. We need to brainstorm...Trans. heat...
  45. how fast is a Monte ss?
  46. 160* or 180* t-stat
  47. Battery issue w 2008 GXP (still)
  48. Homemade Headers
  49. Whats the best Muffler?
  50. another exhaust question
  51. Widest Tires on Stock rims?
  52. Alternative intake setup?
  53. Labor for spring install with camber bolts
  54. Another wheel question....
  55. Killed a Vette this weekend!
  56. Interior noise
  57. buying brakes ?????
  58. Muffler Suggestions
  59. Project: GXP-TN2O (R)eserved has BEGUN!!!
  60. Funny song
  61. GXP meaning
  62. Spark Plugs
  63. I'm Back
  64. Bored..so I Made a new video
  65. When your New Girlfriend Meets your Ex....
  66. Turbo project and more..
  67. Diablo Sport Programmer for sale
  68. Farewell to LS4
  69. O2 sensor question (how many)
  70. Any Top Gear fans here?
  71. Check Engine Light.... Automatic Starter?
  72. Happy Fathers Day
  73. Back to the Track!
  74. The emblem I want on my GXP
  75. What do i need to supercharge my 3800
  76. what kind of oil should i use for the summer
  77. GXP Wheel Repair
  78. 2010 NO more LS4
  79. LS4 Cam ?
  80. SO...I thought I had a lifter going south...tap tap tap tap..but..
  81. GXP Trade in value
  82. Hope I didn't screw up!
  83. e-cutout installed
  84. GXPs with factory wheels that need tires check this thread out and save a few $$$
  85. DIY intake
  86. The Carlo Crusader Pics
  87. my burnout
  88. Hogan DownPipe Rear Flange
  89. new rotors, pads, and painted calipers
  90. Have sold the 2007 Impala SS
  91. Entered my GXP in a burnout contest today
  92. wheel question
  93. Billet Grille Problem!
  94. Service Brake Assist over DIC???
  95. 2006 Impala SS Mufflers-Flowmaster
  96. Urgent help needed
  97. Summer Oil
  98. Wideband for sale
  99. Lowering question
  100. Will 04 Comp G rims fit my 08 Grand Prix GXP ?
  101. god awful fuel economy grand prix gxp
  102. the root of our Mod problems
  103. need some help
  104. how high should i set my revs
  105. Those of You Who Have Poly Dog Bone Mounts
  106. different remote range problem
  107. I had the brakes done and there is vibration
  108. **Garage cleaning**
  109. 3 questions from a newbie
  110. 2007 Impala SS
  111. new to site
  112. Hi from Iraq
  113. FS Cold Air Inductions intake
  114. Track Day
  115. Cold Start / Tranny Question
  116. Performance Parts I think this platform needs
  117. Heat Soak Reduction w/ nitrous.
  118. Few track vids...
  119. Smooth Intake Bellow
  120. 27th All G.M. Car/Truck Show & Swap Meet
  121. I lost to an 350Z
  122. LS4 exhaust manifolds WTB
  123. Removed my fan belt
  124. Heat soak Reduction Kit sensor location?
  125. **Sold car= parts to sell!!**
  126. Random Dents--08 Lacrosse Super
  127. I Need To Figure Out How To Work On My Engine
  128. think i can end heat soak with this idea
  129. new pics of my Grand Prix GXP
  130. Stupid Question on a Catless DP
  131. In car view from my racecar.
  132. Need some people to get tuned for a group tuning and dyno
  133. Vibration
  134. BuffaLOW...SS
  135. Best mods for top end?
  136. Play in the wheels, is it normal?
  137. I'm a post whore sorry! Car weighs 3580 without driver
  138. Will a 16 or 17" wheel fit the GXP?
  139. Been a while but I'm back!
  140. Oil Bearing Tests...
  141. My Car Went To The Dyno
  142. tires goodyear question
  143. ls4 oil problem?
  144. ALL GM Carlisle Anyone???
  145. rear tire problem
  146. Got to meet a member
  147. tranny issue with 07 impala ss
  148. Question about putting new brakes on.
  149. Aux input jack
  150. SSC Lowering Springs going on Sunday, but...
  151. Need brakes??? Buy your brakes here http://www.notasponsor.com/
  152. extremly strange dealer problem help!
  153. Someday the back of the GXP will look like this
  154. how much will stickier tires affect performance
  155. Tunning #'s please
  156. A couple clean pics and the cutout
  157. Photoshoot: Mr. Burns all clean and tinted!
  158. 08 GXP mods
  159. Chime in those timing/tune #'s on na
  160. McGwires paste gold class wax-the best
  161. E.t. of BONE STOCK 06 Impala SS
  162. Memorial Day
  163. Rubber Motor Mount
  164. So here is what i have come up with????
  165. Anyone interested in my set of Hoosier 245/35/18 tires pics excellent condition
  166. Doing some massive work to my car.
  167. Royal Purple soon to be in my car (see video on first page)
  168. New Rockers for our cars...
  169. My New Tires.
  170. Diablosport, sent this to Mike and I'm still waiting. Read this guys
  171. Power Steering Fluid
  172. doing a lot of work to my car and need some help asap
  173. Help!!wet shot ls4 owners chime in please
  174. Tire Goo
  175. 2005 GXP cars read this Superchips has made support for our cars (getting test file)
  176. Head
  177. Blown tranny?
  178. IAT Temperatures
  179. Help with mufflers
  180. New member with question...
  181. Mpg
  182. SERIOUS READERS LONG!!(N2O/NA-TECH) #7 Plug FRIED!!!
  183. Question about head lights
  184. FS: Monte Carlo SS LOW MILES, CLEAN
  185. 2007 Grand Prix GXP 31k North Central PA
  186. Mechanical O2 simulator works! So far....
  187. Finally!! After 3weeks!!!
  188. MAF and Predator BRAND NEW
  189. First race in the new race car (circle track)
  190. 2006 impala ss preformance mods
  191. Electric Cutout
  192. Another Intake lol
  193. Turning Under radio opening to switch panel
  194. Happy my day at the track!
  195. DynoStorm. Check this out
  196. 2002 Monte Carlo SS Woes
  197. What is a good web site for parts?
  198. Ran 2007 Mustang cobra
  199. Is CAI ripping me off??
  200. lowering my gxp
  201. Black GXP rims
  202. Side Skirts (Rocker Panel Molding)
  203. Straight Pipes
  204. Hogan DP ?
  205. Tire opions.
  206. Will this fast 78mm intake manifold work?
  207. Cutout placement problems
  208. Electrical Gremlin?
  209. Battery issue w 2008 GXP
  210. Drag wheels/radials...specs? Where?
  211. Some Car Mods i have been working on.
  212. FS: 06 MC SS Stereo
  213. Hood protector - reinstalled
  214. LS4 Physical Dimensions
  215. Couple pics
  216. Cigarette burns :(
  217. .83 g's accel
  218. Warranty
  219. The final cam question...maybe
  220. cams on jegs
  221. 2006 impala ss
  222. trifecta custom performance
  223. Tire Dilemma
  224. Nos on a 3.8 series 2?
  225. Selling LS4 Badge
  226. Participated in a parade today...
  227. Maf??
  228. why is the top end so bad? Will tune make it better?
  229. Selling some GXP stuff.
  230. It's here!
  231. Broken valve stem/TPMS
  232. has anyone supercharged the gxp?
  233. **Diablo tuner for sale!!**
  234. lets talk weight reduction...
  235. Getting rims and tires...want some feedback
  236. window tint
  237. Radio Porblem
  238. Bye Bye Impala SS
  239. Build Sheet / RPO Sticker
  240. Track Night
  241. Drag radials
  242. Stock Stall Speed ?
  243. Anyone willing to share a tune?
  244. Does anyone have a tuner on there LS4?
  245. Need tuning suggestions
  246. DEI exhaust wrap
  247. k+n intake
  248. Strut Tower Braces - Front Fitment Issue
  249. Auto start problems?????
  250. SSC Springs - get'em while they're hot!