: Northstar Engines and System Technical Discussion



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