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View Full Version : Turbo Petrol Models (inc: C20LET, Z20LET, Z20LEL, Z16NET, Z20LEH)

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  1. Piper Viper
  2. Samco Hoses,
  3. Boost Gauge
  4. Anyone know how to fit a Turbo Timer?
  5. Compression
  6. Coupe Turbo/SRi Turbo battery covers
  7. EDS Power pipe information???
  8. Regal's Air intake replacement pipe for us Turbo owners
  9. CLUTCH PEDAL JUDDER? Please read this if you have!
  10. Newbie Q: Will fitting a dump valve void the warranty?
  11. Dump Valve fitment?
  12. Turbo owners..
  13. What grade Oil....................
  14. Fitting an induction kit to a turbo engine...
  15. Wiring Gauges
  16. What grade oil are you using in Z20LET?
  17. How do i love and care for my turbo?
  18. "Blips" in turbo power delivery.
  19. Turbo timer wiring. Steve, can you help
  20. Unichip?
  21. 2.5 V6
  22. Exhaust 4 the Gsi
  23. Astra Coupe Turbo - No Power
  24. Courtenay Sport CS3 upgrade
  25. Boost On Z20LET
  26. Viper induction kit
  27. Z20LET???
  28. Where is the bleed valve ?
  29. Quiet dump valve ?
  30. Is it worth installing a Manual Boost Controller on Z20LET ?
  31. Exhaust sizing for turbo Astra
  32. Intake Mod.
  33. Turbo and power pipe
  34. Cooler Spark Plugs
  35. dump valve and tuning for a mk4 1.7 dti astravan?
  36. Z20let Intercooler
  37. CATS ! (meooow :) )
  38. Modding Novice seeks advice
  39. CS/Regals Phase II upgrades ...
  40. Need help with ignition barrel wiring please for turbo timer
  41. DUMP VALVE
  42. I Have Wastegate Chatter...?
  43. ECU Location
  44. Boring turbo talk for software upgrades for the Z20LET
  45. Turbo Questions
  46. Smoking...
  47. Boost Levels on an EDS Stage 1 / 2 Coupe Turbo
  48. Which is the bleed pipe ?
  49. Boost hesitation ?
  50. what oil shall i use?
  51. Best Air Filter\Induction Kit (AGAIN!!)
  52. Denso/NGK Iridium Plugs for Z20LET
  53. astra turbo
  54. Resetting ECU + Dump Valves
  55. EDS Pipe or Alternative
  56. Turbo Heatshield
  57. EDS Phase II report ...
  58. Another Way of Adding TC Button...
  59. z20let motor
  60. Turbo Exhaust design HTH
  61. dump valve and air filter
  62. Fitting Dump Valve
  63. apexi s afc will it work on z20let?
  64. Help!!!
  65. Turbo Astra ECU
  66. New Clutch
  67. Turbo upgrade
  68. What are the std boost level's on the Turbo Engine ?
  69. Z20LET tuning
  70. Parts for Turbo
  71. 2.0i 16v turbo conversion .. .
  72. Intercooler Spray
  73. Verified correct NGK plugs for the Z20LET Turbo Engine
  74. Z20 intercoolers
  75. Phase 3 turbo?
  76. VMAX v AMD v REGAL v COURTENAY
  77. Z20 LET owners
  78. Wallace on Intercoolers
  79. Turbo exit size?
  80. How do you fit a dump valve??
  81. Actuators for Z20 let engines......
  82. BOV on Astra SRI turbo
  83. Not convinced with Bailey DV
  84. dump valve
  85. Boost
  86. Anyone Managed To Get Worse Than 7.1 MPG
  87. Boost Valves
  88. Bore size of Turbo exhaust..
  89. paddle clutch?
  90. Intercooler wet!!!!!!!!!
  91. Dump valve
  92. What size injectors in astra coupe turbo
  93. Bosch ECU for Astra Turbo
  94. Standard GSi - Q/Mile and 0-100
  95. Boost gauges
  96. Max engine power output
  97. Viper Induction Kit fir the MK4 GSI
  98. Milltek Exhaust
  99. Mass Air Flow Meter HELP!
  100. dbilas air scoop
  101. Bailey dump valve again
  102. Dump Valve Info Please For Newbie
  103. Recirc valve - nightmare
  104. Wallace Performance ??????
  105. Sticking Turbos on old Astras
  106. New Turbo owners ...
  107. Uprated Clutch for Astra Coupe Turbo
  108. Adjusting up the actuator on z20's
  109. Turbo Timers
  110. TUNING OF TURBO ENGINE - ADVICE PLEASE
  111. Can Somebody Check Actuator Settings on TIS ?
  112. test
  113. Induction
  114. Turbo Astra, downpipes and remaps.
  115. Turbo Exhuast
  116. GSI Turbo irregular idle/ cutting out
  117. Question on internals of astra Turbo
  118. Courtenay phase 2
  119. Intercooler dimensions
  120. Engine Remap
  121. Poor Idle/Cutting out
  122. K26 Turbo
  123. How to fit a dump valve?
  124. Tech question for AMD mapped guys ...
  125. anybody with Z20let please help!
  126. Dump Valve Not Dumping???
  127. Dump pipe
  128. 'Regal' or 'Courtenay' cool running stat for the Z20LET??
  129. Astra coupe superchipped
  130. Exhaust For Turbo Convertable
  131. What weather conditions degrade turbo engine performance?
  132. Turbo induction noise
  133. Turbo Timers; Which one.??
  134. Tickover
  135. Intercooler fitting on Z20LET
  136. BAiley DumpValve
  137. Intercooler fitting - some help please
  138. AMD remap on to Courtenay CS3
  139. Turbo lag?
  140. Exhaust Heat Wrap
  141. Ozzie AMD Remaps
  142. Turbo Coupe Mods
  143. How to fit a cool stat?
  144. Tech Guide - Boost Gauge Fitting ?
  145. Chips or Re-map on Gsi's ?
  146. Courntney/Regal precat replacement+Standard system??
  147. Tech2 error codes and dash display lights
  148. Turbo exhaust note (stock)
  149. Servicable parts - F23 gearbox?
  150. Throttle response decreased with powerpipe and D/V fitted.
  151. sri turbo
  152. Turbo timer
  153. Oil change for Astra Coupe Turbo
  154. Dump Valves
  155. Astra Coupe Turbo Engine Probs
  156. Turbo Timer Door Lock Problem
  157. Does your car "shiver"?
  158. AmD Remapped Today
  159. Dump Valves, All Opinions Wanted
  160. factory dumpvalve spacer?
  161. Ozzie AMD remap results
  162. Regal Power Pipe
  163. Torque linearity on turbo
  164. GSI owners!!!!!!!!1
  165. Phase 2 astra gsi
  166. Exhaust Queries
  167. Courtney Z20LET High performance front pipe
  168. PLEASE HELP - Measurements of Z20LET precat?
  169. irridium spark plugs??
  170. Turbo conversions on a mk3
  171. Funny noise on start up !.
  172. 420nm Torque Remaps
  173. Astra Coupe turbo: Where's the oil filter?
  174. Turbo "Graphic" Removal
  175. Astra Turbo and Boost Controllers
  176. Astra Coupe T 40k cambelt?
  177. People with phase 2 astra gsi,zafira turbos
  178. VXR220 motor
  179. Who Knows about the turbo?
  180. GSI Dump Valve
  181. PLumb back DV
  182. DUMP VALVE
  183. How to fit Vectra C cold air feed???
  184. wastegate V dumpvalve
  185. Astra Turbo model
  186. ********HOW A WASTEGATE WORKS***********
  187. Forged Pistons for Astra SRI turbo
  188. Difference in balancing shafts betwen Z20LET and X20XEV
  189. induction kit killed my mafm - help
  190. Mk1 and C20let
  191. Pic required of Airbox interior which has been derestricted?
  192. All's not right after removal of bailey dump valve
  193. i need big brakes for my turbo
  194. AMD Stage 5!!
  195. FSE power boost valve
  196. Standard Turbo and Hybrid Turbo
  197. Which oil for GSI ???
  198. REGAL PHASE 3
  199. Oil and filter Change ?????
  200. Sump drain plug tool
  201. AMD remap and DV
  202. where to fit boos gauge???
  203. 'How To'......disable the OE Dump Valve!
  204. z20let hose question
  205. re-connecting OE DV
  206. Turbo?
  207. running the bailey and OE now
  208. Whats the better engine and why?
  209. Help compiling Z20LET Phase Kit Graphs
  210. Urgent: Oily engine cover Z20LET
  211. 9 Litre Intercooler Z20Let
  212. My Mates GSI poorly gearbox, what's gone ?
  213. Turbo timers
  214. NEED HELP Z20LET LADS
  215. turbo timer harness???????????
  216. Exhausts for Turbos...
  217. Power boost valves
  218. Excessive turbo noise..
  219. DV question......AGAIN
  220. Pre cat
  221. Cool Tissing sound? Where does it come from?
  222. How much turbo performance hit by temperature?
  223. Turbo oil consumption
  224. Turbo help
  225. Vacuum Hose
  226. 6-speed gearbox for Astra Z20LET :)
  227. Oil leak at oil cap - Turbo
  228. GSI Gearbox
  229. Exhaust wrap
  230. What boost is regals phase 2
  231. advice on ACT OPC TUNED ADVICE PLEASE?
  232. EDS/Regals Phase 4
  233. Z20LET
  234. Pipe??
  235. turbo timers
  236. people wanting z20let work for less then regal
  237. Rolling Road.
  238. Keeping a engine bay...
  239. Z20LET induction kit
  240. More Input Please - Turbo Lag
  241. z20let problems..
  242. New Hardware for Z20LET - But does it work??
  243. Please Read before posting in this forum.....
  244. boost pressure
  245. Turbo Timer
  246. bobbing
  247. What exhaust on sri turbo?
  248. Idling
  249. Removal of Dump valve
  250. Engine Noise at Idle