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

: 8th Gen Engine Performance


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  1. need help please
  2. 08 3.5 idle issues
  3. bubbles in cooling system
  4. Power Surge Under Heavy Acceleration
  5. Is the overkill tune well worth buying for the 3.5?
  6. 13MY NU5 Vs. NU6 Vs. NT7
  7. Help!!
  8. Spotty temp readings, now check engine light
  9. Need to replace crank seal
  10. 3.5 or 3.9 V6 How do you tell?
  11. Got the Rear Crossover-Tubes Gasket replaced...
  12. Winterized MY13, LT1 out of the SS and Dyno video of Z34 vs the Impala
  13. Moved topic (06 3.9 LT car stuttering)
  14. Diablotune Live Data/Throttle Body Issue
  15. HP, Camaro vs Impala (and Limited)
  16. 08 Impala LT 3.9L Rebuild.
  17. Mace camshafts specs
  18. ESSO Synergy
  19. VIDEO - Dyno Pulls, Sound and Races
  20. DYNO TEST REPORT - GMS 80k Volt Coils
  21. DYNO TEST - MAGNAFLOW CATS VS OEM's - WOW!!!
  22. Temperature gauge.
  23. VIDEO - Magnaflow direct-flow cats
  24. 2012-2013 Impala (14-16 Impala Limited) Magnaflow Direct-Fit Catalytic Specifications
  25. Gauging interest in 3.6 LFX pulleys
  26. Pennzoil Ultra Platinum 10w30 review
  27. I dont know what i have but i need a cai
  28. 8th Gen Acceleration Clips
  29. Lets play a guessing game. Can you guess?
  30. i need help
  31. Overkill 3500 and 3900 Product Updates
  32. Need help
  33. Bleeding Air from Engin Coolant system and Heater Core
  34. DIY CAI Question
  35. 2007 3.9L Resonator
  36. Direct Hi-Flow Catalytic Converters
  37. Heavy Duty Serpentine Belt (w/SLP)
  38. DYNO TEST REPORT - OVERKILL 80MM TB vs. VMAX
  39. Just for fun
  40. AC and idle issue
  41. 80mm Overkill TB w/ Modified K&N Typhoon Cold Air Intake System (part 2)
  42. Need advice engine shutting off while driving
  43. 80mm Overkill DYNO TESTED (vs. VMAX)
  44. Fuel Injector Cleaning?
  45. 2008 Impala Reduced speed to 107mph
  46. Programmer
  47. Impala Ideas?!
  48. Shudder
  49. 80mm Overkill TB w/ K&N Typhoon Cold Air Intake System
  50. '07 SS (LS4...): DTC C1118 & B2111 definitions???
  51. 3.9 reduced engine power/synonymous clank with acceleration?
  52. 2008 with 3,5 engine code P2127 and P2138
  53. Large Evap Leak
  54. Magnaflow Exhaust
  55. Is the 80mm Overkill TB enough for the LFX 3.6L engine?
  56. Cold start squeal (not the belt...in area of water pump and harmonic balancer)
  57. Another Thread About Spark Plugs
  58. Cams.
  59. Overkill 3900 Product Page Updated
  60. Impala engine light
  61. car wont respond
  62. JacFab 2012-13 Spacers Update
  63. Blowing cold air
  64. SS exhaust questions (go figure)
  65. 3.4 and 3.5 impala
  66. Turbo on my 3.5 lt impala
  67. Vaccum hoses
  68. Hypertech Tuner for LFX (Colorado/Canyon)
  69. charging issues 07 LS
  70. ASI Intake or Plugs and Wires first?
  71. Where did all my oil go?
  72. 2007 afm swap to 2009 engine
  73. Data Logging Trifecta
  74. LS4 Intake Manifolds on Black Friday special!
  75. LFX JacFab - 1/2" Spacer - DYNO TESTED
  76. Tuning and Drivability questions
  77. 3500/3900 V6 Thermostat Info
  78. Overkill 80mm Throttle Body for 2012+ Impala 3.6
  79. OBD2 code P0014
  80. Oil Filter Breather? Really? Anyone out there thinks this works?
  81. 07 Impala LS radiator bleeding valve location.
  82. Another Noisy 3.9
  83. 2007 3.9 2,4 and 6 cylinders dead
  84. Magnaflow Exhaust Sound Clip - Impala 2012-2013 (Limited 14-16) & 9th Gen LFX V6 3.6
  85. Overkill Intake for LFX Impala
  86. LFX JacFab 3/4" Intake Spacer - DYNO TESTED
  87. 2013 LFX Overkill vs. Trifecta Tune
  88. Track Tested - JacFab 3/4" Intake spacer - Part II
  89. Ported upper and lower intake manifolds
  90. E85 in the LFX
  91. ZZP Downpipe
  92. Degree bend on crossover pipe for 2008 3.5 impala
  93. Track Tested - JacFab 3/4" Intake Spacer
  94. Cold air intake for 3.9L?
  95. Has anyone put a cam in their 5.3?
  96. 2016 Pentastar will have sefl-integrated manifold head design (like LFX&LGX)
  97. My2013-dyno power gains sharing
  98. BCM Cause Overheat? P0481
  99. SS radiator petcock
  100. New Intake Spacer for 12-13(14limited) LFX Impalas from JACFAB
  101. **Overkill LS4 Intake Manifold Upgrade**
  102. PCM Failure
  103. 2012-2014 1/8 Mile
  104. Impala 3.6 - Powr-Flo Mass Airflow Sensors
  105. 3.5 to a 3.9 impala conversion
  106. Intake leak
  107. Kraftwerks supercharger on a 3.9 impala
  108. Gauging Interest - 3500/3900 Throttle Body Upgrade
  109. Aluminum pipe with cylinder heads
  110. Whats the best coolant
  111. Bullseye turbo for 3.9 impala
  112. 2006-2009 impala Ss camshaft
  113. Non vvt engines looking for camshaft sensor
  114. Exhaust tip question
  115. 2006-2009 impala ss parts fit a v6 3.9
  116. High Engine Idle
  117. 12-13 Impala K&N owners, favor needed
  118. Unsure......insight needed
  119. PCM flash?
  120. Looking to get a custom camshaft for 2008 impala 3.5
  121. Random misfire rough ide
  122. 2012 Impala ACProblem
  123. 2007 Impala LT Idling Rough
  124. New to impalas have questions
  125. 2006 Impala LT sound by the serpentine belt?
  126. How do i tell what engine is in my 09 Impala?
  127. Engine oil question
  128. engine swap
  129. DOD White Smoke and Oil Consumption
  130. Advanced PC Diagnostic Software
  131. 2006 ss motor mounts
  132. Overkill 3.6 DI Tune/Intake results
  133. 2008 A/C issues?
  134. Ss cool air intake pics?
  135. K&N Typhoon Air Intake
  136. Diablo tune question
  137. LS4 motor swap?
  138. What oils do ya'll use?
  139. Car tuning turbo
  140. Help with exhaust set up...
  141. 08 v6 3500
  142. Is Overkilling the only way to remove speed governor?
  143. 3 inch exhaust
  144. 2008 Impala LT 3.9L
  145. My custom 3" cat back exhaust
  146. My custom 3" cat back exhaust
  147. RPM fluctuation. Problem.
  148. Headers for 3.6 LFX LT
  149. V-max CNC ported throttle body.
  150. anyone tried pypes exhaust?
  151. Question intake manifold
  152. URGENT slight knock sound 2011
  153. New mod for the ls4 & lfx/llt engines: Vitesse motorsports throttle controller!!!
  154. 2013 Impala LTZ Exhaust Mod (?)
  155. Cold Air Intake Option for the W Body Impalas
  156. # 1 & # 7 Plugs tips covered with oil
  157. remote start
  158. Injectors
  159. disable all this crap?!?!?!?
  160. 2000 impala maf sensor issie
  161. excessive oil consumption?
  162. overkill trans tune
  163. More Performance?
  164. 2012-2013 LFX Impalas... we have an underdrive pulley!
  165. Where can I get my PCM tuned for my impala?
  166. Engine swap
  167. porting 12-13 3.6 LFX "down pipes"
  168. Ls6 intake swap
  169. 300WHP project, help & insight needed...
  170. Where's Overkill?
  171. Battery dead - can cause theft deterent system to reset ?
  172. Gas mileage and my 2012 LT
  173. air intake hose where can I get 1
  174. Engine Options
  175. 2012 impala performance mods
  176. 2012 impala lt exhaust
  177. Dod 2006 ss
  178. Dash Message
  179. engine light came on
  180. Throttle body or Throttle sensor
  181. RX Performance CNC Spiral Ported Throttle Body
  182. MSD Wire #
  183. 2006 3.5, chasing an oil leak. Suggestions?
  184. Tach Not Working - 08 3.5L
  185. Coolant Leak 2006 5.3L SS
  186. 2012 Magnaflow exhaust installed & comparison pics to stock exhaust
  187. Checked intake and trans fluid today
  188. Easy way to firm up the stock dog bone mount.
  189. 2008 EGR Valve Location
  190. RevX Ported Throttle Body
  191. The Many Spark Tables of the E39??????
  192. sounds like a candy wrapper in my tailpipe
  193. Best Fuel and Octane to use
  194. Front end grinding noise
  195. SLP grand prix exhaust fitment
  196. The coldest intake around
  197. Calling 2012-13 Overkill Tunes
  198. 2013 LTZ 3.6 First Gas Mileage Check
  199. ls4 throttle body size
  200. 09 ss
  201. 2012 impala ltz rims
  202. 07 SS got hot
  203. turbo 2012 3.6 impala
  204. Cold air intakes
  205. Overkill update
  206. issue with overkill tune on 2012 impala
  207. timing chain issues 2013?
  208. 2012 impala upgrades
  209. overkill tune
  210. overkill ecm install
  211. 06 low rpm, low oil pressure message
  212. 07 impala ss cam
  213. I have a 2008 impala Lt model
  214. Need help with timing reluctor wheels
  215. Some Upgrade Questions..
  216. NOS?
  217. Aeroforce HP TQ numbers
  218. 2007 3.9 Multiple codes
  219. Cat back exhaust on 2012 LS
  220. Lacking power
  221. Delete the cat question
  222. Overkill Tune?
  223. fender well intake 2012 impala lt
  224. fender well intake issue
  225. swap 2012 impala pcm for 2012 camaro pcm
  226. Oil change on 3.6L
  227. Totally disable all traction control?
  228. Lighting
  229. air injection Block off plates for lfx
  230. Hack cam phasing through tuning?
  231. evap normal pressure
  232. "Occasional " Tune
  233. Tune
  234. Why does other GM 3.5 equiped vehicles have more HP than the Impala?
  235. ticking rocker! damn
  236. Is 2012-13 3.6L Whistle on Intake covered by 5yr/100K Powertrain warranty?
  237. slight hesitation
  238. Question about throttle on 2012
  239. Does the 3.6L LFX engine have an oil pressure sensor?
  240. Need help tuning 06 3.9 liter
  241. 3.9 2008 actual coolant temp
  242. 2007 3.9 9c1 oil filter adapter question
  243. 07 ss general knowledge
  244. 2009 lt 3.5 upgrades
  245. lets get a 2012 intake made take a look
  246. Magnaflow for 2013&2012
  247. Number guys what kind of horsepower an torque from up grades
  248. Want more power in my 2012
  249. Dtc p0121
  250. Power steering pouring