: Northstar Engines and System Technical Discussion



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  1. Surge Tank Design
  2. Stranded out of town!!!
  3. Speed limiter
  4. cams in a northstar
  5. acceleration troubles...
  6. Coolant crossover photos
  7. P0300 Vote!
  8. the best oil for the northstar engine
  9. No Start Please I Need Help!!
  10. 3 questions regarding the timesert job
  11. fuel air mixture
  12. Replacing O2s
  13. P056
  14. Northstar V. 4.9
  15. 97 northstar engine miss
  16. Engine oil leak
  17. IN Trouble Now losing coolant
  18. ice possible message...?
  19. 96 deville oil leak
  20. Replacing a Northstar with a LS1
  21. i cant stand this stalling, why does this happen?
  22. 94STS Blown Gasket Pics
  23. 96 deville
  24. all my problems help!!!!
  25. adding a fuel treatment
  26. Is it normal for...
  27. Surging at low revs and hard shift into 2nd
  28. couple of problems, only one code- AMP B1024
  29. You want DYNO graphs?
  30. 98' Deville Waterpump
  31. The best northstar engine?
  32. How can I avoid head gasket damage?
  33. 93 Northstar Stalls with no codes
  34. '92 Seville radio question
  35. "Clunk" noise at startup? Trans Problem? Help!!
  36. fuel treatment
  37. Code P0101
  38. P023 code on 95 Eldorado
  39. 93 Eldo intermittent no spark,no start
  40. Motor change
  41. Injector malfunction Help!!!!
  42. Mod questions for a 2000 DeVille
  43. Sounds like a bird chirping
  44. 97 deville hesiatation!!!!!
  45. '96 STS OverHeating
  46. Head Gasket on 99 STS
  47. Pcv
  48. 02 DTS, Crank Sensor and Gas Mileage question, HELP!
  49. New solenoid valve kit if anyone wants it
  50. Northstar barely running
  51. Curious about performance mods...
  52. please idlee problemss help!
  53. Self scanning OBD while driving
  54. WOT advice for new member
  55. N* 1994 compatible with 1995????
  56. Coolant level? '97 Deville
  57. p1860 and p0741 repair help
  58. White Exhaust
  59. I have a code that's not on my list of codes. (P069)
  60. IAT sensor
  61. it ran so good in the past
  62. Leak Back Pressure Incorrect
  63. Code P1406 - EGR Valve Pintle Position Circuit
  64. HELP Rear Exhaust Flange Bolt Removal
  65. 02 STS simple things to help performance
  66. Groaning sound.....waterpump?
  67. Installing TPS right now.....
  68. help changed engine
  69. Throttle Body Service...is it worth$$?
  70. Throttle Body Cleaning, worth the hassel?
  71. Coolant Drain Plugs On the N*
  72. codes codes and more codes
  73. service.gm.com password?
  74. years headgaskets go bad?
  75. coolant smell help!
  76. sudden stalling
  77. Dyno results before turbo charging
  78. 4.6 Northstar Parts
  79. Head Gasket Problem!!!
  80. Just had timeserts installed.
  81. oil leak
  82. Loosing Oil and Burning Smell
  83. need info on 1999 cadillac deville engine
  84. Carbon Deposit HELP FAST
  85. ABS Question/New Engine
  86. 3rd or 2nd gear for brake help
  87. O2 sensor
  88. No2 + N* ???
  89. Engine seems to be knocking
  90. No cruise driving me nuts!!!
  91. Throttle body bolt torque specs
  92. Bad Smoke Help Please
  93. Coolant Flushing Pros/Cons?
  94. Hot start...but not the FPR!
  95. failed emissions test
  96. Has anyone had a headgasket leak oil?
  97. Low Oil Pressure Stop Engine !
  98. Carbon Deposit cleaning TEC
  99. Performance Programer 97 ETC??
  100. Ram Air
  101. Surging when cold
  102. N* comp&performance mods
  103. Recall SS and FPR
  104. NS block warp?
  105. 97 Etc Cpu Mods Or Other N* Perfromance
  106. Head gasket leak after
  107. Corrupt Miles.
  108. Anyone dyno their Caddy?
  109. Rough Running 97 DeVille
  110. Northster Squeel/Whistle
  111. Sweet exhaust smell?
  112. supercharging a 4.6L Northstar
  113. engine died in acceleration! wont start.
  114. T/C cut out assembly
  115. N* feels shuddery
  116. Well, changed the oil....
  117. Starter failure???
  118. GM Remanufactured Transmission...has
  119. Heater core intake line
  120. Stays in open loop (?)
  121. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  122. Top End Setting?
  123. Code- P0442
  124. Tune-UP this weekend; questions..
  125. Is this possible ?
  126. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  127. This whole WOT thing....
  128. Fuel Pressure for a 95 STS?
  129. Should I Worry About WOT?
  130. Oil level sensor question?
  131. '97 NorthStar Coolant Temp
  132. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  133. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  134. throttle body cleaning
  135. Recommended fuel pressure + stalling
  136. 2000 ETC MPG Blew My Mind
  137. Installation/Removal of Temperature Sensor
  138. 93 sts
  139. Dropping Drive Train Axles Too?
  140. with the engine now out, what should I replace?
  141. Volant Intake For 2001-2004 4.6L Deville
  142. groan/rattling noise
  143. 1998 surging when accelerating
  144. Keeping a '97 NS running well
  145. 94 STS Help! Cooling Fans Inop
  146. prolonged cranking 1996 eldo
  147. stan_tampabay
  148. Long crank startups
  149. 2000 deville code hlep
  150. bad coolant temp sensor?
  151. www.steelseal.com
  152. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  153. Ranger....Coolant Question
  154. Northstar Coolant Questions
  155. Replaced the MAP sensor
  156. Code problem, please help!!!
  157. Peformance of 2005 Cadillac Deville w/ Northstar
  158. HELP...car wont start
  159. Possible benefit from a grounding kit?
  160. Annoying Problem
  161. Northstar swap into a Buick Reatta
  162. Which side is the inj. harness on?
  163. 2000 n* into 1996
  164. Tensioner question
  165. 98 DeVille -Torque Trouble
  166. 93 Northstar Allante TPS Issues
  167. Oil light?
  168. 97 STS, low compression in all left bank cyls
  169. Help I027 SES Code came up After a W.O.T
  170. Starter revelation, ....for me anyhow!
  171. Fuel Pump and Erratic idle
  172. Is this a good price for a used N*?
  173. finding an alternative to timeserts
  174. need time sert kit for head gasket repair
  175. Oil filter?!?
  176. 96 DeVille losing coolant
  177. Prevention of Headgasket Trouble?
  178. How much could I get for it all? (N* project)
  179. Anybody have a 300hp northstar and a scan tool?
  180. Severe stumble
  181. last thing holding my cylinder head on... help!
  182. help with some codes
  183. W.o.t.
  184. flickering oil light
  185. Northstar repair
  186. exhaust question
  187. Coolant Problem Eatin My Money!!!!
  188. Tune UP
  189. W. O. T!
  190. Help!!! How do I remove the belt out of a 1999 Seville STS N* engine???
  191. Water Pump Confusion
  192. update - starting
  193. TPS values (PD01 PCM Data output)
  194. 94 SLS Smoked/Smelled and now Won't Start
  195. The Case Of The Dissapearing Oil?
  196. How To Pull Codes (DTC's)
  197. 98 DeVille starting trouble. Help!
  198. Double Flush?
  199. 2000 sls high idle
  200. 1998 Deville Tune-Up confusion
  201. 98 n* head bolts/inserts
  202. 97 Etc Engine Exchange...please Help
  203. 95 ETC Overheating Sometimes??
  204. 97 northstar still overheating
  205. People with stalling problems may want to look at this!!!
  206. NOOB needs some help!!... northstar blown!!!
  207. Loud snapping sound during startup/shutdown
  208. Question on maintanance
  209. Dex-Cool no longer made?
  210. Prestone Super Radiator Flush
  211. Popular choice for spark plugs in my 99 STS???
  212. removing the crank pulley
  213. Post Explosion Roughness
  214. Adjusting Tming (94 concours)
  215. 94 sls whats causing a high idle?!
  216. symtoms of bad wtr pump, 97 concours
  217. EGR valve location
  218. Bottom end/block from another engine?
  219. spark plug wires?
  220. Too Much Spent, Same Problem
  221. 1993 Exploding Intake Plenum
  222. STS Mufflers
  223. Why does dirty TB cause crazy idle?
  224. O2 Sensor
  225. Noisy engine
  226. 100000 mile maintenance
  227. Crank sensors
  228. Pictures of relocated PCM
  229. Reverse (ing) ...
  230. ??Smoking 96DeVille??
  231. head bolt torque settings
  232. Quick Oil Change Question....
  233. 01 STS stalls when stoped at light!
  234. getting the O2 sensor changed
  235. Fram Sure Drain
  236. Engine noise
  237. Piggyback computer is installed
  238. 98 Head Gasket Job
  239. 1993 Northstar
  240. 1998 Northstar For Sell
  241. 2002 DTS Spark Plugs
  242. Time serts pulling out of block
  243. 94 running hot!?????
  244. Tricky
  245. Old Fuel Rail Vs. New Fuel Rail
  246. Oil Leaks
  247. Found used NS, need advice.....
  248. Anyone else's N* tick at idle?
  249. Fuel Pressure Regulator and hot start problems
  250. HiPo Northstars in the house?