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

: 8th Gen Engine Performance


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  1. Transmission
  2. Overkill
  3. Dynomax 19363
  4. Half-Mile / Race the Runway 2017
  5. Blackstone Engine Oil Analysis
  6. Idol issue
  7. Throttle body
  8. 08 lt 3.9 rod knock
  9. Torque Pro
  10. need help please
  11. 08 3.5 idle issues
  12. bubbles in cooling system
  13. Power Surge Under Heavy Acceleration
  14. Is the overkill tune well worth buying for the 3.5?
  15. 13MY NU5 Vs. NU6 Vs. NT7
  16. Help!!
  17. Spotty temp readings, now check engine light
  18. Need to replace crank seal
  19. 3.5 or 3.9 V6 How do you tell?
  20. Got the Rear Crossover-Tubes Gasket replaced...
  21. Winterized MY13, LT1 out of the SS and Dyno video of Z34 vs the Impala
  22. Moved topic (06 3.9 LT car stuttering)
  23. Diablotune Live Data/Throttle Body Issue
  24. HP, Camaro vs Impala (and Limited)
  25. 08 Impala LT 3.9L Rebuild.
  26. Mace camshafts specs
  27. ESSO Synergy
  28. VIDEO - Dyno Pulls, Sound and Races
  29. DYNO TEST REPORT - GMS 80k Volt Coils
  30. DYNO TEST - MAGNAFLOW CATS VS OEM's - WOW!!!
  31. Temperature gauge.
  32. VIDEO - Magnaflow direct-flow cats
  33. 2012-2013 Impala (14-16 Impala Limited) Magnaflow Direct-Fit Catalytic Specifications
  34. Gauging interest in 3.6 LFX pulleys
  35. Pennzoil Ultra Platinum 10w30 review
  36. I dont know what i have but i need a cai
  37. 8th Gen Acceleration Clips
  38. Lets play a guessing game. Can you guess?
  39. i need help
  40. Overkill 3500 and 3900 Product Updates
  41. Need help
  42. Bleeding Air from Engin Coolant system and Heater Core
  43. DIY CAI Question
  44. 2007 3.9L Resonator
  45. Direct Hi-Flow Catalytic Converters
  46. Heavy Duty Serpentine Belt (w/SLP)
  47. DYNO TEST REPORT - OVERKILL 80MM TB vs. VMAX
  48. Just for fun
  49. AC and idle issue
  50. 80mm Overkill TB w/ Modified K&N Typhoon Cold Air Intake System (part 2)
  51. Need advice engine shutting off while driving
  52. 80mm Overkill DYNO TESTED (vs. VMAX)
  53. Fuel Injector Cleaning?
  54. 2008 Impala Reduced speed to 107mph
  55. Programmer
  56. Impala Ideas?!
  57. Shudder
  58. 80mm Overkill TB w/ K&N Typhoon Cold Air Intake System
  59. '07 SS (LS4...): DTC C1118 & B2111 definitions???
  60. 3.9 reduced engine power/synonymous clank with acceleration?
  61. 2008 with 3,5 engine code P2127 and P2138
  62. Large Evap Leak
  63. Magnaflow Exhaust
  64. Is the 80mm Overkill TB enough for the LFX 3.6L engine?
  65. Cold start squeal (not the belt...in area of water pump and harmonic balancer)
  66. Another Thread About Spark Plugs
  67. Cams.
  68. Overkill 3900 Product Page Updated
  69. Impala engine light
  70. car wont respond
  71. JacFab 2012-13 Spacers Update
  72. Blowing cold air
  73. SS exhaust questions (go figure)
  74. 3.4 and 3.5 impala
  75. Turbo on my 3.5 lt impala
  76. Vaccum hoses
  77. Hypertech Tuner for LFX (Colorado/Canyon)
  78. charging issues 07 LS
  79. ASI Intake or Plugs and Wires first?
  80. Where did all my oil go?
  81. 2007 afm swap to 2009 engine
  82. Data Logging Trifecta
  83. LS4 Intake Manifolds on Black Friday special!
  84. LFX JacFab - 1/2" Spacer - DYNO TESTED
  85. Tuning and Drivability questions
  86. 3500/3900 V6 Thermostat Info
  87. Overkill 80mm Throttle Body for 2012+ Impala 3.6
  88. OBD2 code P0014
  89. Oil Filter Breather? Really? Anyone out there thinks this works?
  90. 07 Impala LS radiator bleeding valve location.
  91. Another Noisy 3.9
  92. 2007 3.9 2,4 and 6 cylinders dead
  93. Magnaflow Exhaust Sound Clip - Impala 2012-2013 (Limited 14-16) & 9th Gen LFX V6 3.6
  94. Overkill Intake for LFX Impala
  95. LFX JacFab 3/4" Intake Spacer - DYNO TESTED
  96. 2013 LFX Overkill vs. Trifecta Tune
  97. Track Tested - JacFab 3/4" Intake spacer - Part II
  98. Ported upper and lower intake manifolds
  99. E85 in the LFX
  100. ZZP Downpipe
  101. Degree bend on crossover pipe for 2008 3.5 impala
  102. Track Tested - JacFab 3/4" Intake Spacer
  103. Cold air intake for 3.9L?
  104. Has anyone put a cam in their 5.3?
  105. 2016 Pentastar will have sefl-integrated manifold head design (like LFX&LGX)
  106. My2013-dyno power gains sharing
  107. BCM Cause Overheat? P0481
  108. SS radiator petcock
  109. New Intake Spacer for 12-13(14limited) LFX Impalas from JACFAB
  110. **Overkill LS4 Intake Manifold Upgrade**
  111. PCM Failure
  112. 2012-2014 1/8 Mile
  113. Impala 3.6 - Powr-Flo Mass Airflow Sensors
  114. 3.5 to a 3.9 impala conversion
  115. Intake leak
  116. Kraftwerks supercharger on a 3.9 impala
  117. Gauging Interest - 3500/3900 Throttle Body Upgrade
  118. Aluminum pipe with cylinder heads
  119. Whats the best coolant
  120. Bullseye turbo for 3.9 impala
  121. 2006-2009 impala Ss camshaft
  122. Non vvt engines looking for camshaft sensor
  123. Exhaust tip question
  124. 2006-2009 impala ss parts fit a v6 3.9
  125. High Engine Idle
  126. 12-13 Impala K&N owners, favor needed
  127. Unsure......insight needed
  128. PCM flash?
  129. Looking to get a custom camshaft for 2008 impala 3.5
  130. Random misfire rough ide
  131. 2012 Impala ACProblem
  132. 2007 Impala LT Idling Rough
  133. New to impalas have questions
  134. 2006 Impala LT sound by the serpentine belt?
  135. How do i tell what engine is in my 09 Impala?
  136. Engine oil question
  137. engine swap
  138. DOD White Smoke and Oil Consumption
  139. Advanced PC Diagnostic Software
  140. 2006 ss motor mounts
  141. Overkill 3.6 DI Tune/Intake results
  142. 2008 A/C issues?
  143. Ss cool air intake pics?
  144. K&N Typhoon Air Intake
  145. Diablo tune question
  146. LS4 motor swap?
  147. What oils do ya'll use?
  148. Car tuning turbo
  149. Help with exhaust set up...
  150. 08 v6 3500
  151. Is Overkilling the only way to remove speed governor?
  152. 3 inch exhaust
  153. 2008 Impala LT 3.9L
  154. My custom 3" cat back exhaust
  155. My custom 3" cat back exhaust
  156. RPM fluctuation. Problem.
  157. Headers for 3.6 LFX LT
  158. V-max CNC ported throttle body.
  159. anyone tried pypes exhaust?
  160. Question intake manifold
  161. URGENT slight knock sound 2011
  162. New mod for the ls4 & lfx/llt engines: Vitesse motorsports throttle controller!!!
  163. 2013 Impala LTZ Exhaust Mod (?)
  164. Cold Air Intake Option for the W Body Impalas
  165. # 1 & # 7 Plugs tips covered with oil
  166. remote start
  167. Injectors
  168. disable all this crap?!?!?!?
  169. 2000 impala maf sensor issie
  170. excessive oil consumption?
  171. overkill trans tune
  172. More Performance?
  173. 2012-2013 LFX Impalas... we have an underdrive pulley!
  174. Where can I get my PCM tuned for my impala?
  175. Engine swap
  176. porting 12-13 3.6 LFX "down pipes"
  177. Ls6 intake swap
  178. 300WHP project, help & insight needed...
  179. Where's Overkill?
  180. Battery dead - can cause theft deterent system to reset ?
  181. Gas mileage and my 2012 LT
  182. air intake hose where can I get 1
  183. Engine Options
  184. 2012 impala performance mods
  185. 2012 impala lt exhaust
  186. Dod 2006 ss
  187. Dash Message
  188. engine light came on
  189. Throttle body or Throttle sensor
  190. RX Performance CNC Spiral Ported Throttle Body
  191. MSD Wire #
  192. 2006 3.5, chasing an oil leak. Suggestions?
  193. Tach Not Working - 08 3.5L
  194. Coolant Leak 2006 5.3L SS
  195. 2012 Magnaflow exhaust installed & comparison pics to stock exhaust
  196. Checked intake and trans fluid today
  197. Easy way to firm up the stock dog bone mount.
  198. 2008 EGR Valve Location
  199. RevX Ported Throttle Body
  200. The Many Spark Tables of the E39??????
  201. sounds like a candy wrapper in my tailpipe
  202. Best Fuel and Octane to use
  203. Front end grinding noise
  204. SLP grand prix exhaust fitment
  205. The coldest intake around
  206. Calling 2012-13 Overkill Tunes
  207. 2013 LTZ 3.6 First Gas Mileage Check
  208. ls4 throttle body size
  209. 09 ss
  210. 2012 impala ltz rims
  211. 07 SS got hot
  212. turbo 2012 3.6 impala
  213. Cold air intakes
  214. Overkill update
  215. issue with overkill tune on 2012 impala
  216. timing chain issues 2013?
  217. 2012 impala upgrades
  218. overkill tune
  219. overkill ecm install
  220. 06 low rpm, low oil pressure message
  221. 07 impala ss cam
  222. I have a 2008 impala Lt model
  223. Need help with timing reluctor wheels
  224. Some Upgrade Questions..
  225. NOS?
  226. Aeroforce HP TQ numbers
  227. 2007 3.9 Multiple codes
  228. Cat back exhaust on 2012 LS
  229. Lacking power
  230. Delete the cat question
  231. Overkill Tune?
  232. fender well intake 2012 impala lt
  233. fender well intake issue
  234. swap 2012 impala pcm for 2012 camaro pcm
  235. Oil change on 3.6L
  236. Totally disable all traction control?
  237. Lighting
  238. air injection Block off plates for lfx
  239. Hack cam phasing through tuning?
  240. evap normal pressure
  241. "Occasional " Tune
  242. Tune
  243. Why does other GM 3.5 equiped vehicles have more HP than the Impala?
  244. ticking rocker! damn
  245. Is 2012-13 3.6L Whistle on Intake covered by 5yr/100K Powertrain warranty?
  246. slight hesitation
  247. Question about throttle on 2012
  248. Does the 3.6L LFX engine have an oil pressure sensor?
  249. Need help tuning 06 3.9 liter
  250. 3.9 2008 actual coolant temp