: Northstar Engines and System Technical Discussion



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  1. 97 deville stalling, no codes
  2. Changing Spark Plugs- '99 STS
  3. 94 sls overheating,maybe...
  4. I see a lot of posts on supercharging a Northstar
  5. How to get more torque, 03-DTS
  6. Replace or fix
  7. Typical NOOB questions...
  8. Northstar intake manifold
  9. Northstar intake manifold
  10. hey zonie or ranger,
  11. Losing Coolant & Radiator Leakage
  12. ac delco plugs..<-1999 and 2000-> years, whats the difference?
  13. Delco VS Bosch Plug Wires
  14. Oil "Blow By"
  15. Coming 6 speed automatic
  16. WOT - is this the ONLY way to remove carbon buildup?
  17. New source for 80mm throttle bodies!
  18. Is It A Head Gasket???
  19. Jasper Engines
  20. Confused about spark plug type
  21. Surge Tank Design
  22. Stranded out of town!!!
  23. Speed limiter
  24. cams in a northstar
  25. acceleration troubles...
  26. Coolant crossover photos
  27. P0300 Vote!
  28. the best oil for the northstar engine
  29. No Start Please I Need Help!!
  30. 3 questions regarding the timesert job
  31. fuel air mixture
  32. Replacing O2s
  33. P056
  34. Northstar V. 4.9
  35. 97 northstar engine miss
  36. Engine oil leak
  37. IN Trouble Now losing coolant
  38. ice possible message...?
  39. 96 deville oil leak
  40. Replacing a Northstar with a LS1
  41. i cant stand this stalling, why does this happen?
  42. 94STS Blown Gasket Pics
  43. 96 deville
  44. all my problems help!!!!
  45. adding a fuel treatment
  46. Is it normal for...
  47. Surging at low revs and hard shift into 2nd
  48. couple of problems, only one code- AMP B1024
  49. You want DYNO graphs?
  50. 98' Deville Waterpump
  51. The best northstar engine?
  52. How can I avoid head gasket damage?
  53. 93 Northstar Stalls with no codes
  54. '92 Seville radio question
  55. "Clunk" noise at startup? Trans Problem? Help!!
  56. fuel treatment
  57. Code P0101
  58. P023 code on 95 Eldorado
  59. 93 Eldo intermittent no spark,no start
  60. Motor change
  61. Injector malfunction Help!!!!
  62. Mod questions for a 2000 DeVille
  63. Sounds like a bird chirping
  64. 97 deville hesiatation!!!!!
  65. '96 STS OverHeating
  66. Head Gasket on 99 STS
  67. Pcv
  68. 02 DTS, Crank Sensor and Gas Mileage question, HELP!
  69. New solenoid valve kit if anyone wants it
  70. Northstar barely running
  71. Curious about performance mods...
  72. please idlee problemss help!
  73. Self scanning OBD while driving
  74. WOT advice for new member
  75. N* 1994 compatible with 1995????
  76. Coolant level? '97 Deville
  77. p1860 and p0741 repair help
  78. White Exhaust
  79. I have a code that's not on my list of codes. (P069)
  80. IAT sensor
  81. it ran so good in the past
  82. Leak Back Pressure Incorrect
  83. Code P1406 - EGR Valve Pintle Position Circuit
  84. HELP Rear Exhaust Flange Bolt Removal
  85. 02 STS simple things to help performance
  86. Groaning sound.....waterpump?
  87. Installing TPS right now.....
  88. help changed engine
  89. Throttle Body Service...is it worth$$?
  90. Throttle Body Cleaning, worth the hassel?
  91. Coolant Drain Plugs On the N*
  92. codes codes and more codes
  93. service.gm.com password?
  94. years headgaskets go bad?
  95. coolant smell help!
  96. sudden stalling
  97. Dyno results before turbo charging
  98. 4.6 Northstar Parts
  99. Head Gasket Problem!!!
  100. Just had timeserts installed.
  101. oil leak
  102. Loosing Oil and Burning Smell
  103. need info on 1999 cadillac deville engine
  104. Carbon Deposit HELP FAST
  105. ABS Question/New Engine
  106. 3rd or 2nd gear for brake help
  107. O2 sensor
  108. No2 + N* ???
  109. Engine seems to be knocking
  110. No cruise driving me nuts!!!
  111. Throttle body bolt torque specs
  112. Bad Smoke Help Please
  113. Coolant Flushing Pros/Cons?
  114. Hot start...but not the FPR!
  115. failed emissions test
  116. Has anyone had a headgasket leak oil?
  117. Low Oil Pressure Stop Engine !
  118. Carbon Deposit cleaning TEC
  119. Performance Programer 97 ETC??
  120. Ram Air
  121. Surging when cold
  122. N* comp&performance mods
  123. Recall SS and FPR
  124. NS block warp?
  125. 97 Etc Cpu Mods Or Other N* Perfromance
  126. Head gasket leak after
  127. Corrupt Miles.
  128. Anyone dyno their Caddy?
  129. Rough Running 97 DeVille
  130. Northster Squeel/Whistle
  131. Sweet exhaust smell?
  132. supercharging a 4.6L Northstar
  133. engine died in acceleration! wont start.
  134. T/C cut out assembly
  135. N* feels shuddery
  136. Well, changed the oil....
  137. Starter failure???
  138. GM Remanufactured Transmission...has
  139. Heater core intake line
  140. Stays in open loop (?)
  141. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  142. Top End Setting?
  143. Code- P0442
  144. Tune-UP this weekend; questions..
  145. Is this possible ?
  146. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  147. This whole WOT thing....
  148. Fuel Pressure for a 95 STS?
  149. Should I Worry About WOT?
  150. Oil level sensor question?
  151. '97 NorthStar Coolant Temp
  152. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  153. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  154. throttle body cleaning
  155. Recommended fuel pressure + stalling
  156. 2000 ETC MPG Blew My Mind
  157. Installation/Removal of Temperature Sensor
  158. 93 sts
  159. Dropping Drive Train Axles Too?
  160. with the engine now out, what should I replace?
  161. Volant Intake For 2001-2004 4.6L Deville
  162. groan/rattling noise
  163. 1998 surging when accelerating
  164. Keeping a '97 NS running well
  165. 94 STS Help! Cooling Fans Inop
  166. prolonged cranking 1996 eldo
  167. stan_tampabay
  168. Long crank startups
  169. 2000 deville code hlep
  170. bad coolant temp sensor?
  171. www.steelseal.com
  172. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  173. Ranger....Coolant Question
  174. Northstar Coolant Questions
  175. Replaced the MAP sensor
  176. Code problem, please help!!!
  177. Peformance of 2005 Cadillac Deville w/ Northstar
  178. HELP...car wont start
  179. Possible benefit from a grounding kit?
  180. Annoying Problem
  181. Northstar swap into a Buick Reatta
  182. Which side is the inj. harness on?
  183. 2000 n* into 1996
  184. Tensioner question
  185. 98 DeVille -Torque Trouble
  186. 93 Northstar Allante TPS Issues
  187. Oil light?
  188. 97 STS, low compression in all left bank cyls
  189. Help I027 SES Code came up After a W.O.T
  190. Starter revelation, ....for me anyhow!
  191. Fuel Pump and Erratic idle
  192. Is this a good price for a used N*?
  193. finding an alternative to timeserts
  194. need time sert kit for head gasket repair
  195. Oil filter?!?
  196. 96 DeVille losing coolant
  197. Prevention of Headgasket Trouble?
  198. How much could I get for it all? (N* project)
  199. Anybody have a 300hp northstar and a scan tool?
  200. Severe stumble
  201. last thing holding my cylinder head on... help!
  202. help with some codes
  203. W.o.t.
  204. flickering oil light
  205. Northstar repair
  206. exhaust question
  207. Coolant Problem Eatin My Money!!!!
  208. Tune UP
  209. W. O. T!
  210. Help!!! How do I remove the belt out of a 1999 Seville STS N* engine???
  211. Water Pump Confusion
  212. update - starting
  213. TPS values (PD01 PCM Data output)
  214. 94 SLS Smoked/Smelled and now Won't Start
  215. The Case Of The Dissapearing Oil?
  216. How To Pull Codes (DTC's)
  217. 98 DeVille starting trouble. Help!
  218. Double Flush?
  219. 2000 sls high idle
  220. 1998 Deville Tune-Up confusion
  221. 98 n* head bolts/inserts
  222. 97 Etc Engine Exchange...please Help
  223. 95 ETC Overheating Sometimes??
  224. 97 northstar still overheating
  225. People with stalling problems may want to look at this!!!
  226. NOOB needs some help!!... northstar blown!!!
  227. Loud snapping sound during startup/shutdown
  228. Question on maintanance
  229. Dex-Cool no longer made?
  230. Prestone Super Radiator Flush
  231. Popular choice for spark plugs in my 99 STS???
  232. removing the crank pulley
  233. Post Explosion Roughness
  234. Adjusting Tming (94 concours)
  235. 94 sls whats causing a high idle?!
  236. symtoms of bad wtr pump, 97 concours
  237. EGR valve location
  238. Bottom end/block from another engine?
  239. spark plug wires?
  240. Too Much Spent, Same Problem
  241. 1993 Exploding Intake Plenum
  242. STS Mufflers
  243. Why does dirty TB cause crazy idle?
  244. O2 Sensor
  245. Noisy engine
  246. 100000 mile maintenance
  247. Crank sensors
  248. Pictures of relocated PCM
  249. Reverse (ing) ...
  250. ??Smoking 96DeVille??