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  1. Here's a good first thread - HP Tuners supporting the EcoTec and TwinCam!
  2. earlier ecotec ECU vs newer ecotec ECU
  3. Engine Management
  4. HP VS Megasquirt
  5. Any HP users here?
  6. Screw it! I'm doing it!
  7. Difference between 02' & 03' PCM
  8. hp tuners hookup
  9. Any experience on an 06 with an egr?
  10. Management for the L61 Automatic Cobalt
  11. Warning: Trouble getting the Reflash WITHOUT a supercharger kit (Please Read!)
  12. Good news for the Cobalt/Ion 2.2 Owners
  13. Copying one PCMs programming to another
  14. Check this out
  15. Split-Second Fuel/Timing Controller
  16. Megasquirt or HPT on Hahn Turbo Ecotec
  17. HP Tuners question
  18. Saab ecu
  19. Buyable Boost ECU's
  20. Anybody use HPT on the 4t45e yet?
  21. *OFFICIAL* 2006 Chevrolet Cobalt 2.2L ECU Pinout
  22. Reflash w/out supercharger
  23. HP Tuners and it's availablity
  24. Need More Fuel For The Turbo
  25. Anyone tried out the Zeitronix Zt-2
  26. Question about HP Tuners on the J-bodies w/Boost
  27. SAFC ?'s
  28. Who wants to play with my ECU
  29. Fuel Question
  30. General Tuning Questions
  31. Greddy E-Manage
  32. 2.0 Supercharged Stage Reflash Update?
  33. What can the Delta 2.2 guys do for tuning?
  34. some Hp Tuning basics I found
  35. Change in Compression
  36. Hahn Portfueler
  37. What determines idle rpm?
  38. Fuel Pressure Regulators
  39. Why is twin charging so difficult?
  40. Ecotec engine management summary
  41. HPTuners will turn U'r brain 2 swiss cheese!
  42. Anyone have any information on the DFMUs?
  43. Question about widebands
  44. What kind of MAF do the deltas have?
  45. Jbody Walbro Fuel Pump Kit P/N & Site?
  46. lost
  47. HP tuners and Calibrating speedo with new tires
  48. Advantages of widebands?
  49. dhp scan
  50. Calculating PPM For new tires
  51. Wiring diagrams
  52. 2.2L (E16) Forsaken by HPTuners again
  53. We Need Your Vote
  54. A wierd question about Fuel Pressure Regulators with FMUs
  55. Jet performance comp upgrade?
  56. Nelson Performance Tuning?
  57. AFR with bolt ons
  58. Mega squirt???? what it has
  59. All ECOTEC PCM Diagrams (Hosted & Zip Format)
  60. SAFC2 on 2.2L (e16a) ECM
  61. differences in L61 ECMs?
  62. When to run richer between vacuum and boost
  63. Questions about injectors, spark plugs, and tuning
  64. 2002 J-body PCM wiring
  65. hpt and boost
  66. Fuel Pump Rating for L61s
  67. Possible Fuel System FAQ
  68. Fuel System 101 FAQ
  69. Narrowband install questions
  70. Will I need a reflash ?
  71. Fuel injectors!
  72. sketchy question
  73. new tuning option soon
  74. stock ecotec tuning
  75. Anybody Using Standalone's????
  76. 2.2L programing
  77. HP tuner questions..
  78. MSD DashHawk ordered!
  79. Changing Injectors
  80. Will HPT ever be useable on the reflashed supercharged 2.2L Ecotecs?
  81. Marine Based EFI
  82. Best Twin Charged Tuning Method
  83. Innovative or AEM wideband?
  84. HPTuners now supports the L-series
  85. ECm question
  86. Stand Alone ECU anyone?
  87. SCT tune
  88. Looking turbo tune to work off of.
  89. Tuning newly boosted eco.
  90. trouble code help
  91. ANNOUNCEMENT: 2.2 Tuning. Please read
  92. AEM universal engine management
  93. E85 VS. Gasoline
  94. Looking to see if this exists
  95. 2005 LSJ ECU on a 2004 S/C L61
  96. Comparing Stage 1 & Stage 2 Reflashes
  97. Remember Airtonics?? (SC 2.2L Guys Read)
  98. noob hpt question
  99. Diablo Sport tuning is offical!!
  100. 2.2L L61 Ecotec J-Body Tuning Solutions
  101. O2 Sensor Clamping with Closed Loop systems
  102. Bcm
  103. Wideband Kit??
  104. using HPT to reflash a PCM for my L61 swap
  105. Engine running, hp tuners questions
  106. HpT question?
  107. Wideband wont Read on HPT
  108. ECM part numbers
  109. Hpt
  110. Governor????
  111. Engine Loading
  112. Lean on takeoff
  113. Ecotec Megasquirt Information
  114. Short Term F.T. And other HPT Q's
  115. Reflash question......
  116. Ok another Reflash inquiry......
  117. Will be buying HPTuners in a few weeks
  118. fake 2bar map problems
  119. How does the comptuer determine load?
  120. HPT Help...
  121. L61 ve LSJ Crank Position Sensor
  122. L61 Crank Reluctor Dimensions
  123. Tuning Diffrences
  124. Aaight guys, the built sunfire is having some issues HELP
  125. Is it bad?
  126. Willing to pay for someone to tune!
  127. supergarger reflash for hpt?
  128. Aem F/ic
  129. Pic Request: 5th Injector
  130. What can the e16 guys do for tuning?
  131. Ecotec turbo tuning help
  132. o2 sensor issue and HPT
  133. looking for hptuning shop near gulf coast
  134. HPtuners question
  135. hp tuners
  136. Lets talk Data logging everyone needs to read!
  137. 2007 cobalt 2.2 ecu/ tuning computer/chip?
  138. 2.2 Tuning - Where you should be
  139. e37 tuning
  140. Ebay speed chips.....
  141. Notice to all 2007 L61 owners
  142. Breakin up BAD in high rpms HELP ME!!!
  143. GM Reflashed ecm on stock car
  144. Jet Chip??
  145. HP tuners
  146. my fuel problem and AFRs
  147. Now i got everything in, time to tune!?? help!!
  148. Return fuel system
  149. 60's flowmatched injectors
  150. Autometer and HP Tuners
  151. Weird lean idle and cruise.
  152. Changing ECU's, Should there be a problem?
  153. 2.4 LE5 Tuning FAQ
  154. ECM search for the 2002 L61
  155. Stock Stage II Tune 2006
  156. give me your hptuners file now!
  157. DashDAQ - scanner, GPS, touchscreen... gauges!
  158. Knock retard
  159. Hp Tuners Vs. Gm Performance
  160. AEM To HPTUNERS Install?
  161. LNF tune
  162. Almost tunned!?
  163. hpt and fmu
  164. FMU Recoliberation question??
  165. I did a return-style fuel system
  166. Info on fuel pumps I found out
  167. 2.2 L61 ecu mods?
  168. MSD Inline pumps dont like hi-pressure
  169. Bar Sensors? Tunning Ideas?
  170. ecm problem
  171. CEL Question
  172. Ecotec into a sandrail
  173. Learning HPT
  174. anti-theft...
  175. How much timing??
  176. 2.2l in s -10 Hating j body BCM
  177. E16a and E67 Tuning In Beta Test
  178. 10 and 30 min passlock re-learn
  179. I want to standalone it...(I think)
  180. Just got this so I can start to tune.
  181. BCM pin/plug diagram
  182. inline resistor to take place of bcm/key
  183. nubie needing help with 06 cobalt tuning
  184. why cant my cobalt 06 go past 110 mph
  185. Tuning: Summer vs Winter -- whats the diff?
  186. MAF over run/limit, C.O.P. ignition, few questions.
  187. updates to the Aeroforce Interceptor gauge
  188. HP Tuners "Flash Checksum Validation Failed"
  189. Jbody Supercharger Reflash minus boost =
  190. tuning for 2.2
  191. Megasquirt for portfueling?
  192. PCM help
  193. Benefits of HP Tuners Without Mods
  194. I have a uego wideband on its way thinking of getting hpt
  195. Need Help with Tuning 02 Sunfire
  196. 07-08 Cobalt
  197. Mega Squ. w/ stock ignition
  198. Uego wideband
  199. 92 Coil pack w/ mega squirt
  200. Stock L61 CKP sen?
  201. Megasquirt Timing Control Solutions?
  202. quick HPT question - timing
  203. HTP: what histograms to log
  204. IAT temps
  205. Wideband location
  206. HPT need hint after reading Shifteds how2
  207. HP Tuners Timing Advance
  208. Im having trouble tuning, need some help going back to the basics...
  209. Anyone in NC have HPT and want to earn some $$
  210. any one using the aem fic..
  211. HPT is fun!
  212. Time for tuning
  213. Does a 2 Bar TMAP sensor?
  214. TMAP help
  215. HELP:HPT VE tuning
  216. Tuning should i????
  217. ecu MYTH investigation: PE Delay
  218. Ecotec ICM
  219. speed limiter override
  220. Tuning Event In Florida...
  221. HPT question
  222. Converting to blow through LSJ-t
  223. FUEL Injectors
  224. Stand alone???
  225. Trifecta?
  226. Computer difference
  227. Lsj injectors and reflash?
  228. Finnaly!
  229. Huge error % when VE tuning. I think I need help.
  230. Admiral Jedi needs tuning help.
  231. Has anyone tried the ecotec adj cam gears?
  232. TUNE Question?
  233. serious issue please help
  234. Begi FMU parts?
  235. Innovate LC-1 Wideband Sensor Faulty?
  236. cam tuning
  237. 2001 saturn L200 fuel managment?
  238. Tuning with 7+1 Crank Trigger
  239. advice with car not a ecotec
  240. Standalone
  241. Stand Alone input
  242. pcm diagram
  243. Crank teeth number
  244. Leaps and bounds with the J-body ecu
  245. superchip cortex or lnf for hhrss
  246. More Tuning Notes: Alcohol Tables
  247. help with p0118
  248. lf base yune
  249. scanning software
  250. Timing Advance = Diminishing returns