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

: 8th Gen Engine Performance


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  1. Help!!
  2. Spotty temp readings, now check engine light
  3. Need to replace crank seal
  4. 3.5 or 3.9 V6 How do you tell?
  5. Got the Rear Crossover-Tubes Gasket replaced...
  6. Winterized MY13, LT1 out of the SS and Dyno video of Z34 vs the Impala
  7. Moved topic (06 3.9 LT car stuttering)
  8. Diablotune Live Data/Throttle Body Issue
  9. HP, Camaro vs Impala (and Limited)
  10. 08 Impala LT 3.9L Rebuild.
  11. Mace camshafts specs
  12. ESSO Synergy
  13. VIDEO - Dyno Pulls, Sound and Races
  14. DYNO TEST REPORT - GMS 80k Volt Coils
  15. DYNO TEST - MAGNAFLOW CATS VS OEM's - WOW!!!
  16. Temperature gauge.
  17. VIDEO - Magnaflow direct-flow cats
  18. 2012-2013 Impala (14-16 Impala Limited) Magnaflow Direct-Fit Catalytic Specifications
  19. Gauging interest in 3.6 LFX pulleys
  20. Pennzoil Ultra Platinum 10w30 review
  21. I dont know what i have but i need a cai
  22. 8th Gen Acceleration Clips
  23. Lets play a guessing game. Can you guess?
  24. i need help
  25. Overkill 3500 and 3900 Product Updates
  26. Need help
  27. Bleeding Air from Engin Coolant system and Heater Core
  28. DIY CAI Question
  29. 2007 3.9L Resonator
  30. Direct Hi-Flow Catalytic Converters
  31. Heavy Duty Serpentine Belt (w/SLP)
  32. DYNO TEST REPORT - OVERKILL 80MM TB vs. VMAX
  33. Just for fun
  34. AC and idle issue
  35. 80mm Overkill TB w/ Modified K&N Typhoon Cold Air Intake System (part 2)
  36. Need advice engine shutting off while driving
  37. 80mm Overkill DYNO TESTED (vs. VMAX)
  38. Fuel Injector Cleaning?
  39. 2008 Impala Reduced speed to 107mph
  40. Programmer
  41. Impala Ideas?!
  42. Shudder
  43. 80mm Overkill TB w/ K&N Typhoon Cold Air Intake System
  44. '07 SS (LS4...): DTC C1118 & B2111 definitions???
  45. 3.9 reduced engine power/synonymous clank with acceleration?
  46. 2008 with 3,5 engine code P2127 and P2138
  47. Large Evap Leak
  48. Magnaflow Exhaust
  49. Is the 80mm Overkill TB enough for the LFX 3.6L engine?
  50. Cold start squeal (not the belt...in area of water pump and harmonic balancer)
  51. Another Thread About Spark Plugs
  52. Cams.
  53. Overkill 3900 Product Page Updated
  54. Impala engine light
  55. car wont respond
  56. JacFab 2012-13 Spacers Update
  57. Blowing cold air
  58. SS exhaust questions (go figure)
  59. 3.4 and 3.5 impala
  60. Turbo on my 3.5 lt impala
  61. Vaccum hoses
  62. Hypertech Tuner for LFX (Colorado/Canyon)
  63. charging issues 07 LS
  64. ASI Intake or Plugs and Wires first?
  65. Where did all my oil go?
  66. 2007 afm swap to 2009 engine
  67. Data Logging Trifecta
  68. LS4 Intake Manifolds on Black Friday special!
  69. LFX JacFab - 1/2" Spacer - DYNO TESTED
  70. Tuning and Drivability questions
  71. 3500/3900 V6 Thermostat Info
  72. Overkill 80mm Throttle Body for 2012+ Impala 3.6
  73. OBD2 code P0014
  74. Oil Filter Breather? Really? Anyone out there thinks this works?
  75. 07 Impala LS radiator bleeding valve location.
  76. Another Noisy 3.9
  77. 2007 3.9 2,4 and 6 cylinders dead
  78. Magnaflow Exhaust Sound Clip - Impala 2012-2013 (Limited 14-16) & 9th Gen LFX V6 3.6
  79. Overkill Intake for LFX Impala
  80. LFX JacFab 3/4" Intake Spacer - DYNO TESTED
  81. 2013 LFX Overkill vs. Trifecta Tune
  82. Track Tested - JacFab 3/4" Intake spacer - Part II
  83. Ported upper and lower intake manifolds
  84. E85 in the LFX
  85. ZZP Downpipe
  86. Degree bend on crossover pipe for 2008 3.5 impala
  87. Track Tested - JacFab 3/4" Intake Spacer
  88. Cold air intake for 3.9L?
  89. Has anyone put a cam in their 5.3?
  90. 2016 Pentastar will have sefl-integrated manifold head design (like LFX&LGX)
  91. My2013-dyno power gains sharing
  92. BCM Cause Overheat? P0481
  93. SS radiator petcock
  94. New Intake Spacer for 12-13(14limited) LFX Impalas from JACFAB
  95. **Overkill LS4 Intake Manifold Upgrade**
  96. PCM Failure
  97. 2012-2014 1/8 Mile
  98. Impala 3.6 - Powr-Flo Mass Airflow Sensors
  99. 3.5 to a 3.9 impala conversion
  100. Intake leak
  101. Kraftwerks supercharger on a 3.9 impala
  102. Gauging Interest - 3500/3900 Throttle Body Upgrade
  103. Aluminum pipe with cylinder heads
  104. Whats the best coolant
  105. Bullseye turbo for 3.9 impala
  106. 2006-2009 impala Ss camshaft
  107. Non vvt engines looking for camshaft sensor
  108. Exhaust tip question
  109. 2006-2009 impala ss parts fit a v6 3.9
  110. High Engine Idle
  111. 12-13 Impala K&N owners, favor needed
  112. Unsure......insight needed
  113. PCM flash?
  114. Looking to get a custom camshaft for 2008 impala 3.5
  115. Random misfire rough ide
  116. 2012 Impala ACProblem
  117. 2007 Impala LT Idling Rough
  118. New to impalas have questions
  119. 2006 Impala LT sound by the serpentine belt?
  120. How do i tell what engine is in my 09 Impala?
  121. Engine oil question
  122. engine swap
  123. DOD White Smoke and Oil Consumption
  124. Advanced PC Diagnostic Software
  125. 2006 ss motor mounts
  126. Overkill 3.6 DI Tune/Intake results
  127. 2008 A/C issues?
  128. Ss cool air intake pics?
  129. K&N Typhoon Air Intake
  130. Diablo tune question
  131. LS4 motor swap?
  132. What oils do ya'll use?
  133. Car tuning turbo
  134. Help with exhaust set up...
  135. 08 v6 3500
  136. Is Overkilling the only way to remove speed governor?
  137. 3 inch exhaust
  138. 2008 Impala LT 3.9L
  139. My custom 3" cat back exhaust
  140. My custom 3" cat back exhaust
  141. RPM fluctuation. Problem.
  142. Headers for 3.6 LFX LT
  143. V-max CNC ported throttle body.
  144. anyone tried pypes exhaust?
  145. Question intake manifold
  146. URGENT slight knock sound 2011
  147. New mod for the ls4 & lfx/llt engines: Vitesse motorsports throttle controller!!!
  148. 2013 Impala LTZ Exhaust Mod (?)
  149. Cold Air Intake Option for the W Body Impalas
  150. # 1 & # 7 Plugs tips covered with oil
  151. remote start
  152. Injectors
  153. disable all this crap?!?!?!?
  154. 2000 impala maf sensor issie
  155. excessive oil consumption?
  156. overkill trans tune
  157. More Performance?
  158. 2012-2013 LFX Impalas... we have an underdrive pulley!
  159. Where can I get my PCM tuned for my impala?
  160. Engine swap
  161. porting 12-13 3.6 LFX "down pipes"
  162. Ls6 intake swap
  163. 300WHP project, help & insight needed...
  164. Where's Overkill?
  165. Battery dead - can cause theft deterent system to reset ?
  166. Gas mileage and my 2012 LT
  167. air intake hose where can I get 1
  168. Engine Options
  169. 2012 impala performance mods
  170. 2012 impala lt exhaust
  171. Dod 2006 ss
  172. Dash Message
  173. engine light came on
  174. Throttle body or Throttle sensor
  175. RX Performance CNC Spiral Ported Throttle Body
  176. MSD Wire #
  177. 2006 3.5, chasing an oil leak. Suggestions?
  178. Tach Not Working - 08 3.5L
  179. Coolant Leak 2006 5.3L SS
  180. 2012 Magnaflow exhaust installed & comparison pics to stock exhaust
  181. Checked intake and trans fluid today
  182. Easy way to firm up the stock dog bone mount.
  183. 2008 EGR Valve Location
  184. RevX Ported Throttle Body
  185. The Many Spark Tables of the E39??????
  186. sounds like a candy wrapper in my tailpipe
  187. Best Fuel and Octane to use
  188. Front end grinding noise
  189. SLP grand prix exhaust fitment
  190. The coldest intake around
  191. Calling 2012-13 Overkill Tunes
  192. 2013 LTZ 3.6 First Gas Mileage Check
  193. ls4 throttle body size
  194. 09 ss
  195. 2012 impala ltz rims
  196. 07 SS got hot
  197. turbo 2012 3.6 impala
  198. Cold air intakes
  199. Overkill update
  200. issue with overkill tune on 2012 impala
  201. timing chain issues 2013?
  202. 2012 impala upgrades
  203. overkill tune
  204. overkill ecm install
  205. 06 low rpm, low oil pressure message
  206. 07 impala ss cam
  207. I have a 2008 impala Lt model
  208. Need help with timing reluctor wheels
  209. Some Upgrade Questions..
  210. NOS?
  211. Aeroforce HP TQ numbers
  212. 2007 3.9 Multiple codes
  213. Cat back exhaust on 2012 LS
  214. Lacking power
  215. Delete the cat question
  216. Overkill Tune?
  217. fender well intake 2012 impala lt
  218. fender well intake issue
  219. swap 2012 impala pcm for 2012 camaro pcm
  220. Oil change on 3.6L
  221. Totally disable all traction control?
  222. Lighting
  223. air injection Block off plates for lfx
  224. Hack cam phasing through tuning?
  225. evap normal pressure
  226. "Occasional " Tune
  227. Tune
  228. Why does other GM 3.5 equiped vehicles have more HP than the Impala?
  229. ticking rocker! damn
  230. Is 2012-13 3.6L Whistle on Intake covered by 5yr/100K Powertrain warranty?
  231. slight hesitation
  232. Question about throttle on 2012
  233. Does the 3.6L LFX engine have an oil pressure sensor?
  234. Need help tuning 06 3.9 liter
  235. 3.9 2008 actual coolant temp
  236. 2007 3.9 9c1 oil filter adapter question
  237. 07 ss general knowledge
  238. 2009 lt 3.5 upgrades
  239. lets get a 2012 intake made take a look
  240. Magnaflow for 2013&2012
  241. Number guys what kind of horsepower an torque from up grades
  242. Want more power in my 2012
  243. Dtc p0121
  244. Power steering pouring
  245. Got a Lew tune!
  246. Replacing fuel level sensor
  247. oil filter adapter leak 2007 3.9
  248. Painted valve covers, need camaro manifold.
  249. STS turbo on 3.9 with 4psi
  250. 800hp 2007 Monte SS