View Full Version : LS4 Performance


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  1. Transmission issues...curious question
  2. tourque on android
  3. Tune Advice
  4. Lew tune
  5. Cully's SS - New Pics / Mods
  6. had the fuel injectors cleaned
  7. February LS4 of the month Winner
  8. 19" neproxy crome rims
  9. diablo for a 2005 gxp + fuel filter
  10. Powdercoating Alcoa's?
  11. 2x SSC Springs
  12. XM Radio Cutting Out? Also.....
  13. Just make/relocate a new IAT sensor
  14. CAI intake research
  15. Dash
  16. Minor work today
  17. need help fast!!
  18. Flowmaster 40 Series Cold Start
  19. All Dash Warning Lights on
  20. trans pan compatibility
  21. dedicated forum
  22. '06 Grand Prix GXP RPM Fluctuates
  23. Yes! DoD is gone!
  24. Ipod Install on stock Monsoon System
  25. Stock rim weight
  26. Headlights
  27. Magnaflow exhaust owners!!!
  28. Headlights and Odometer dont work after stereo install
  29. LS4 throttle body
  30. HID Issues!!
  31. P0843 P0700 trans codes
  32. Flowmaster 10 series....
  33. Relocate ECM and TCM?
  34. trans / tire questions
  35. I now have a Batman smoke screen or I'm using a shit-ton of oil
  36. Getting ready for spring.
  37. Rear exhaust manifold idea. Work with me here.. guys.
  38. DiabloSport Predator/Trinity Custom Tuning Available!
  39. cai help please
  40. diablosport trinity???
  41. WOT 1st to 2nd Tranny "Squeak"
  42. cylinder1 misfire. fuel economy (gxp)
  43. Underdrive Pulley?
  44. 275/40 rear tires
  45. Slinging Grease
  46. Question???????
  47. Cartuning Kit Question
  48. GP GXP Braking Issue
  49. crossover pipe wrap
  50. My Fuel Mileage Statistics
  51. Went to the track
  52. Another intake option?
  53. Resistor in key?
  54. February LS4 of the month vote poll
  55. tap shift change up
  56. Anyone tint windows near Lima, Ohio?
  57. converting a non-tap to tap-shift?
  58. Equivalence A/F ratio vs. O2 mv reading
  59. GXP Stock exhaust tip size
  60. GP GXP fog light bulb burnt out
  61. Near-future plans for my car
  62. STS Turbo Kit
  63. Drag Radials/Slicks
  64. lauching??
  65. Check this car out for sale......
  66. Few questions/concerns with the GXP
  67. Projector headlights
  68. Service stability/traction systems!!
  69. transmission
  70. Thought you guys might enjoy
  71. Pic request. Somebody snap a pic of the rear exhaust manifold outlet form.
  72. uh oh...3 days into the honeymoon....tranny slippage?
  73. For those who think a small cam is not the way to go. Look!
  74. MCSS - No Audio Out of Amped Radio
  75. ss emblem on grille
  76. need some hp tuner help
  77. The W-Body FINALLY gets the 6-speed auto from the factory for 2012!
  78. Brakes?
  79. Throttle Bodies...
  80. new GXP owner here....
  81. Diablosport Predator on Flebay
  82. Flipped motor mount
  83. Flip's taillights
  84. auto dim/temp/compass install
  85. Gauge Needles
  86. Warranty Work
  87. gxp rear deck 6x9 aftermarket install
  88. Opinions Needed
  89. Sort of on topic
  90. Debating on future of GXP
  91. is there a reason...
  92. Great deal on Optima Batteries
  93. Is it the battery?
  94. exhaust question
  95. got stuck in snow now cars acting wierd
  96. 7191 predator, with cables, $175 shipped...
  97. 07 GXP Bought last week dead battery
  98. Weight difference between Alcoas and knockoffs?
  99. Shimmy????
  100. Shift Kit
  101. February LS4 of the month
  102. Free fix for whining idler pulley
  103. GXP cam swap question
  104. P-0420
  105. Who's still here? Everyones Leaving :(
  106. Might be departing with the Impala
  107. Thinking about getting a Trailblazer SS
  108. Help...Buzzing noise when wheels spin
  109. gxp badges
  110. Again???
  111. 4t65e drive chain
  112. Traded in the SS
  113. Check out what a local shop is doing around KC....
  114. impala rental
  115. water pump question
  116. Tuning for '07s???
  117. i finally dumped the gxp
  118. NOLA World of Wheels
  119. Hud
  120. Wrecked the car today
  121. Back from the dead thread. LS6 cam. respect this guy, guys!
  122. Need Some Input
  123. water pump head gasket radiator take your pick
  124. repainted the lettering on my engine cover (mini "how to")
  125. Anyone close to JC MO with a tuner
  126. Simple way to disable DoD?
  127. Where is the Engine Block Heater?
  128. 07 Impala SS 4th gear bump
  129. Official post your HIDs thread
  130. 1 Year Free XM:D
  131. Where is Larry???
  132. Transmission question
  133. 87 Octane Tune: Mission Accomplished!
  134. Catless Downpipe + DiabLew Tune = More Power & Better Mileage!
  135. another tranny thread, but i swear its somewhat original
  136. Magnaflow catback without resonator?
  137. It's so damn cold...
  138. The first LS4 of the month Winner
  139. Tighter converter ?
  140. Last minutes to vote
  141. Anybody run 275/40s other than Falkens?
  142. jp and i ran again today
  143. New track times for the SS with vids
  144. Moving on. . . .
  145. Chrome trim removal??
  146. Lew's DiabLew Tune: STILL the Shit!
  147. west coast specialization on the 4t65hd
  148. Tap shift conversion
  149. GTP transmission the same?
  150. factory air filter part#
  151. 06 impala SS - mod help
  152. Anyone repaint their stock calipers on a GXP with a different color???
  153. Blew up dash speaker
  154. My First Car
  155. Tire Pressure Monitors
  156. Got My black DEPO Headlights In...Pics Inside!
  157. Impala compass location
  158. GXP Owners! What is you EQ Set at?
  159. LS4 voting
  160. Dyno Results LS6 intake etc
  161. 6T75 6 speed conversion
  162. intake spacer
  163. LS1 intake installed engine runs but.. Tuning?
  164. Squeaky steering wheel driving me nuts lol, ISS?
  165. Steering Wheel SS Emblem
  166. So, about that N/A build...
  167. Finally got my Impala back with TEP transmission upgrades!
  168. My Addition To My Trunk
  169. dod disable without tuning. temp fix question
  170. Custom Trunk
  171. Got my windows tinted yesterday....
  172. beat the smog checks?
  173. Tuning.
  174. Engine bay cleaning question
  175. Reset tpms
  176. Started wiring up my first amp...
  177. new ss emblem
  178. LS4 of the Month January Vote
  179. 4th dead battery in 4 years... WTF???
  180. g8 wheels on an impala ss
  181. Snow Slide Crash
  182. converter
  183. Free EPDM Serpentine Belt Wear Gauge
  184. exhaust
  185. GP GXP Brakes
  186. gm performance ls6 hot cam
  187. GM Heritage
  188. P0420 Code
  189. SuperCharging??
  190. LS4 Harmonic Balancer
  191. Power Steering problem
  192. DOD When Motor is Cold
  193. GXP vs. Snow
  194. Remote Start Question
  195. anyone here from CT or MA area
  196. Filter question
  197. Opinions Please - GXP Door Sill Plates
  198. MCSS Amp Wiring
  199. GXP Problems...:/
  200. oil catch cans
  201. P0521
  202. Couple of vids from my run at the track last night
  203. so i was browsing ebay and...
  204. Engine is apart, houston we have a problem
  205. There it goes!!!
  206. Inferno Hood
  207. Yet Another GXP Tire Question(s)
  208. Call GM and the NHTSA to Get Action on our Transmission Problems: Details Inside!
  209. Installed TV in GXP now dash hums?
  210. re: Heated Seat failure
  211. Trans Fluid change?
  212. keeping steering wheel controls w/ aftermarket radio
  213. SIMPLE: Can I put a cam in with DOD lifters and just turn DOD off and be fine?
  214. bulbs for tinted tails
  215. DiabloSport Trinity T-1000 Tuner / Dashboard Monitor??
  216. Have a question for you all?
  217. Rocker Panel needed...Where can I get one?
  218. 2006 GXP naturally aspirated build
  219. CAM and DOD
  220. Rim options
  221. Inquired GM Regarding Transmission
  222. HELP, smog reff says I need a stock air filter box?
  223. Tire size
  224. Transmission Magnet thread
  225. 04 gxp
  226. Looking for winter wheels (GXP)
  227. I'm on a 1320 Video!
  228. Speakers Rattling Door Panels
  229. Im baaaack!
  230. Electric Cutout where to place it?
  231. 1.8 roller rockers
  232. Valve Spring Seat Pressure...Someone Clarify Plz
  233. Headrest monitors...Anyone have them???
  234. LS4 Transmission Problem Thread (4T65-HD); Current Total Inside
  235. g8 officially coming back as a chevy
  236. Trans Questions.
  237. lucky mee.. check this out..
  238. A newbie has joined your ranks
  239. Need help wiring speakers
  240. Difference in engines
  241. sell stock alcoas?
  242. 06 monte carlo firewall location
  243. I hate cops
  244. Weird sound on my gxp wen i turn into my driveway
  245. Center Consol
  246. Possibly making the Jump
  247. Happy New Year!!!
  248. Fwi lean code
  249. You know you wannnnnnnnnnnnt it.
  250. Your Interior Combo