8th Gen Engine Performance [Archive] - Chevy Impala Forums

: 8th Gen Engine Performance


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  1. Need help
  2. Bleeding Air from Engin Coolant system and Heater Core
  3. DIY CAI Question
  4. 2007 3.9L Resonator
  5. Direct Hi-Flow Catalytic Converters
  6. Heavy Duty Serpentine Belt (w/SLP)
  7. DYNO TEST REPORT - OVERKILL 80MM TB vs. VMAX
  8. Just for fun
  9. AC and idle issue
  10. 80mm Overkill TB w/ Modified K&N Typhoon Cold Air Intake System (part 2)
  11. Need advice engine shutting off while driving
  12. 80mm Overkill DYNO TESTED (vs. VMAX)
  13. Fuel Injector Cleaning?
  14. 2008 Impala Reduced speed to 107mph
  15. Programmer
  16. Impala Ideas?!
  17. Shudder
  18. 80mm Overkill TB w/ K&N Typhoon Cold Air Intake System
  19. '07 SS (LS4...): DTC C1118 & B2111 definitions???
  20. 3.9 reduced engine power/synonymous clank with acceleration?
  21. 2008 with 3,5 engine code P2127 and P2138
  22. Large Evap Leak
  23. Magnaflow Exhaust
  24. Is the 80mm Overkill TB enough for the LFX 3.6L engine?
  25. Cold start squeal (not the belt...in area of water pump and harmonic balancer)
  26. Another Thread About Spark Plugs
  27. Cams.
  28. Overkill 3900 Product Page Updated
  29. Impala engine light
  30. car wont respond
  31. JacFab 2012-13 Spacers Update
  32. Blowing cold air
  33. SS exhaust questions (go figure)
  34. 3.4 and 3.5 impala
  35. Turbo on my 3.5 lt impala
  36. Vaccum hoses
  37. Hypertech Tuner for LFX (Colorado/Canyon)
  38. charging issues 07 LS
  39. ASI Intake or Plugs and Wires first?
  40. Where did all my oil go?
  41. 2007 afm swap to 2009 engine
  42. Data Logging Trifecta
  43. LS4 Intake Manifolds on Black Friday special!
  44. LFX JacFab - 1/2" Spacer - DYNO TESTED
  45. Tuning and Drivability questions
  46. 3500/3900 V6 Thermostat Info
  47. Overkill 80mm Throttle Body for 2012+ Impala 3.6
  48. OBD2 code P0014
  49. Oil Filter Breather? Really? Anyone out there thinks this works?
  50. 07 Impala LS radiator bleeding valve location.
  51. Another Noisy 3.9
  52. 2007 3.9 2,4 and 6 cylinders dead
  53. Magnaflow Exhaust Sound Clip - Impala 2012-2013 (Limited 14-16) & 9th Gen LFX V6 3.6
  54. Overkill Intake for LFX Impala
  55. LFX JacFab 3/4" Intake Spacer - DYNO TESTED
  56. 2013 LFX Overkill vs. Trifecta Tune
  57. Track Tested - JacFab 3/4" Intake spacer - Part II
  58. Ported upper and lower intake manifolds
  59. E85 in the LFX
  60. ZZP Downpipe
  61. Degree bend on crossover pipe for 2008 3.5 impala
  62. Track Tested - JacFab 3/4" Intake Spacer
  63. Cold air intake for 3.9L?
  64. Has anyone put a cam in their 5.3?
  65. 2016 Pentastar will have sefl-integrated manifold head design (like LFX&LGX)
  66. My2013-dyno power gains sharing
  67. BCM Cause Overheat? P0481
  68. SS radiator petcock
  69. New Intake Spacer for 12-13(14limited) LFX Impalas from JACFAB
  70. **Overkill LS4 Intake Manifold Upgrade**
  71. PCM Failure
  72. 2012-2014 1/8 Mile
  73. Impala 3.6 - Powr-Flo Mass Airflow Sensors
  74. 3.5 to a 3.9 impala conversion
  75. Intake leak
  76. Kraftwerks supercharger on a 3.9 impala
  77. Gauging Interest - 3500/3900 Throttle Body Upgrade
  78. Aluminum pipe with cylinder heads
  79. Whats the best coolant
  80. Bullseye turbo for 3.9 impala
  81. 2006-2009 impala Ss camshaft
  82. Non vvt engines looking for camshaft sensor
  83. Exhaust tip question
  84. 2006-2009 impala ss parts fit a v6 3.9
  85. High Engine Idle
  86. 12-13 Impala K&N owners, favor needed
  87. Unsure......insight needed
  88. PCM flash?
  89. Looking to get a custom camshaft for 2008 impala 3.5
  90. Random misfire rough ide
  91. 2012 Impala ACProblem
  92. 2007 Impala LT Idling Rough
  93. New to impalas have questions
  94. 2006 Impala LT sound by the serpentine belt?
  95. How do i tell what engine is in my 09 Impala?
  96. Engine oil question
  97. engine swap
  98. DOD White Smoke and Oil Consumption
  99. Advanced PC Diagnostic Software
  100. 2006 ss motor mounts
  101. Overkill 3.6 DI Tune/Intake results
  102. 2008 A/C issues?
  103. Ss cool air intake pics?
  104. K&N Typhoon Air Intake
  105. Diablo tune question
  106. LS4 motor swap?
  107. What oils do ya'll use?
  108. Car tuning turbo
  109. Help with exhaust set up...
  110. 08 v6 3500
  111. Is Overkilling the only way to remove speed governor?
  112. 3 inch exhaust
  113. 2008 Impala LT 3.9L
  114. My custom 3" cat back exhaust
  115. My custom 3" cat back exhaust
  116. RPM fluctuation. Problem.
  117. Headers for 3.6 LFX LT
  118. V-max CNC ported throttle body.
  119. anyone tried pypes exhaust?
  120. Question intake manifold
  121. URGENT slight knock sound 2011
  122. New mod for the ls4 & lfx/llt engines: Vitesse motorsports throttle controller!!!
  123. 2013 Impala LTZ Exhaust Mod (?)
  124. Cold Air Intake Option for the W Body Impalas
  125. # 1 & # 7 Plugs tips covered with oil
  126. remote start
  127. Injectors
  128. disable all this crap?!?!?!?
  129. 2000 impala maf sensor issie
  130. excessive oil consumption?
  131. overkill trans tune
  132. More Performance?
  133. 2012-2013 LFX Impalas... we have an underdrive pulley!
  134. Where can I get my PCM tuned for my impala?
  135. Engine swap
  136. porting 12-13 3.6 LFX "down pipes"
  137. Ls6 intake swap
  138. 300WHP project, help & insight needed...
  139. Where's Overkill?
  140. Battery dead - can cause theft deterent system to reset ?
  141. Gas mileage and my 2012 LT
  142. air intake hose where can I get 1
  143. Engine Options
  144. 2012 impala performance mods
  145. 2012 impala lt exhaust
  146. Dod 2006 ss
  147. Dash Message
  148. engine light came on
  149. Throttle body or Throttle sensor
  150. RX Performance CNC Spiral Ported Throttle Body
  151. MSD Wire #
  152. 2006 3.5, chasing an oil leak. Suggestions?
  153. Tach Not Working - 08 3.5L
  154. Coolant Leak 2006 5.3L SS
  155. 2012 Magnaflow exhaust installed & comparison pics to stock exhaust
  156. Checked intake and trans fluid today
  157. Easy way to firm up the stock dog bone mount.
  158. 2008 EGR Valve Location
  159. RevX Ported Throttle Body
  160. The Many Spark Tables of the E39??????
  161. sounds like a candy wrapper in my tailpipe
  162. Best Fuel and Octane to use
  163. Front end grinding noise
  164. SLP grand prix exhaust fitment
  165. The coldest intake around
  166. Calling 2012-13 Overkill Tunes
  167. 2013 LTZ 3.6 First Gas Mileage Check
  168. ls4 throttle body size
  169. 09 ss
  170. 2012 impala ltz rims
  171. 07 SS got hot
  172. turbo 2012 3.6 impala
  173. Cold air intakes
  174. Overkill update
  175. issue with overkill tune on 2012 impala
  176. timing chain issues 2013?
  177. 2012 impala upgrades
  178. overkill tune
  179. overkill ecm install
  180. 06 low rpm, low oil pressure message
  181. 07 impala ss cam
  182. I have a 2008 impala Lt model
  183. Need help with timing reluctor wheels
  184. Some Upgrade Questions..
  185. NOS?
  186. Aeroforce HP TQ numbers
  187. 2007 3.9 Multiple codes
  188. Cat back exhaust on 2012 LS
  189. Lacking power
  190. Delete the cat question
  191. Overkill Tune?
  192. fender well intake 2012 impala lt
  193. fender well intake issue
  194. swap 2012 impala pcm for 2012 camaro pcm
  195. Oil change on 3.6L
  196. Totally disable all traction control?
  197. Lighting
  198. air injection Block off plates for lfx
  199. Hack cam phasing through tuning?
  200. evap normal pressure
  201. "Occasional " Tune
  202. Tune
  203. Why does other GM 3.5 equiped vehicles have more HP than the Impala?
  204. ticking rocker! damn
  205. Is 2012-13 3.6L Whistle on Intake covered by 5yr/100K Powertrain warranty?
  206. slight hesitation
  207. Question about throttle on 2012
  208. Does the 3.6L LFX engine have an oil pressure sensor?
  209. Need help tuning 06 3.9 liter
  210. 3.9 2008 actual coolant temp
  211. 2007 3.9 9c1 oil filter adapter question
  212. 07 ss general knowledge
  213. 2009 lt 3.5 upgrades
  214. lets get a 2012 intake made take a look
  215. Magnaflow for 2013&2012
  216. Number guys what kind of horsepower an torque from up grades
  217. Want more power in my 2012
  218. Dtc p0121
  219. Power steering pouring
  220. Got a Lew tune!
  221. Replacing fuel level sensor
  222. oil filter adapter leak 2007 3.9
  223. Painted valve covers, need camaro manifold.
  224. STS turbo on 3.9 with 4psi
  225. 800hp 2007 Monte SS
  226. intake manifold?
  227. motor mount selection
  228. 2013 HID Wiring Help
  229. dog gone misfire
  230. Turbo
  231. 3.6 rejects CAI?
  232. 2008 3.9L LZG Engine tear-off oddities!
  233. Exhaust noon: Cutouts?
  234. 02 sensors
  235. Holy crap Oilman!!
  236. Need help with overkill 3.6 key relearn process
  237. Chev 5.3L AFM (DOD) Issues
  238. jet mass air flow sensor
  239. Upgrading Alternator
  240. 07 PC1 oil cooler delete
  241. Oil Catch Can 2013 Impala
  242. HELP! I'm looking at a couple of simple upgrades..
  243. 3.5 performance? (i know im sorry)
  244. Co2 intake cooler from summit
  245. induction noise 2012 3.6 LFX
  246. Overkilled Motorsports Ftmfw
  247. Stroking the 3.5
  248. help! 2006 misfire
  249. Manually cleaning the LLT & LFX intake valves
  250. Need for perfomance chip for a 2007 SS Impala