: Northstar Engines and System Technical Discussion



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  1. 97 Etc Cpu Mods Or Other N* Perfromance
  2. Head gasket leak after
  3. Corrupt Miles.
  4. Anyone dyno their Caddy?
  5. Rough Running 97 DeVille
  6. Northster Squeel/Whistle
  7. Sweet exhaust smell?
  8. supercharging a 4.6L Northstar
  9. engine died in acceleration! wont start.
  10. T/C cut out assembly
  11. N* feels shuddery
  12. Well, changed the oil....
  13. Starter failure???
  14. GM Remanufactured Transmission...has
  15. Heater core intake line
  16. Stays in open loop (?)
  17. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  18. Top End Setting?
  19. Code- P0442
  20. Tune-UP this weekend; questions..
  21. Is this possible ?
  22. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  23. This whole WOT thing....
  24. Fuel Pressure for a 95 STS?
  25. Should I Worry About WOT?
  26. Oil level sensor question?
  27. '97 NorthStar Coolant Temp
  28. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  29. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  30. throttle body cleaning
  31. Recommended fuel pressure + stalling
  32. 2000 ETC MPG Blew My Mind
  33. Installation/Removal of Temperature Sensor
  34. 93 sts
  35. Dropping Drive Train Axles Too?
  36. with the engine now out, what should I replace?
  37. Volant Intake For 2001-2004 4.6L Deville
  38. groan/rattling noise
  39. 1998 surging when accelerating
  40. Keeping a '97 NS running well
  41. 94 STS Help! Cooling Fans Inop
  42. prolonged cranking 1996 eldo
  43. stan_tampabay
  44. Long crank startups
  45. 2000 deville code hlep
  46. bad coolant temp sensor?
  47. www.steelseal.com
  48. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  49. Ranger....Coolant Question
  50. Northstar Coolant Questions
  51. Replaced the MAP sensor
  52. Code problem, please help!!!
  53. Peformance of 2005 Cadillac Deville w/ Northstar
  54. HELP...car wont start
  55. Possible benefit from a grounding kit?
  56. Annoying Problem
  57. Northstar swap into a Buick Reatta
  58. Which side is the inj. harness on?
  59. 2000 n* into 1996
  60. Tensioner question
  61. 98 DeVille -Torque Trouble
  62. 93 Northstar Allante TPS Issues
  63. Oil light?
  64. 97 STS, low compression in all left bank cyls
  65. Help I027 SES Code came up After a W.O.T
  66. Starter revelation, ....for me anyhow!
  67. Fuel Pump and Erratic idle
  68. Is this a good price for a used N*?
  69. finding an alternative to timeserts
  70. need time sert kit for head gasket repair
  71. Oil filter?!?
  72. 96 DeVille losing coolant
  73. Prevention of Headgasket Trouble?
  74. How much could I get for it all? (N* project)
  75. Anybody have a 300hp northstar and a scan tool?
  76. Severe stumble
  77. last thing holding my cylinder head on... help!
  78. help with some codes
  79. W.o.t.
  80. flickering oil light
  81. Northstar repair
  82. exhaust question
  83. Coolant Problem Eatin My Money!!!!
  84. Tune UP
  85. W. O. T!
  86. Help!!! How do I remove the belt out of a 1999 Seville STS N* engine???
  87. Water Pump Confusion
  88. update - starting
  89. TPS values (PD01 PCM Data output)
  90. 94 SLS Smoked/Smelled and now Won't Start
  91. The Case Of The Dissapearing Oil?
  92. How To Pull Codes (DTC's)
  93. 98 DeVille starting trouble. Help!
  94. Double Flush?
  95. 2000 sls high idle
  96. 1998 Deville Tune-Up confusion
  97. 98 n* head bolts/inserts
  98. 97 Etc Engine Exchange...please Help
  99. 95 ETC Overheating Sometimes??
  100. 97 northstar still overheating
  101. People with stalling problems may want to look at this!!!
  102. NOOB needs some help!!... northstar blown!!!
  103. Loud snapping sound during startup/shutdown
  104. Question on maintanance
  105. Dex-Cool no longer made?
  106. Prestone Super Radiator Flush
  107. Popular choice for spark plugs in my 99 STS???
  108. removing the crank pulley
  109. Post Explosion Roughness
  110. Adjusting Tming (94 concours)
  111. 94 sls whats causing a high idle?!
  112. symtoms of bad wtr pump, 97 concours
  113. EGR valve location
  114. Bottom end/block from another engine?
  115. spark plug wires?
  116. Too Much Spent, Same Problem
  117. 1993 Exploding Intake Plenum
  118. STS Mufflers
  119. Why does dirty TB cause crazy idle?
  120. O2 Sensor
  121. Noisy engine
  122. 100000 mile maintenance
  123. Crank sensors
  124. Pictures of relocated PCM
  125. Reverse (ing) ...
  126. ??Smoking 96DeVille??
  127. head bolt torque settings
  128. Quick Oil Change Question....
  129. 01 STS stalls when stoped at light!
  130. getting the O2 sensor changed
  131. Fram Sure Drain
  132. Engine noise
  133. Piggyback computer is installed
  134. 98 Head Gasket Job
  135. 1993 Northstar
  136. 1998 Northstar For Sell
  137. 2002 DTS Spark Plugs
  138. Time serts pulling out of block
  139. 94 running hot!?????
  140. Tricky
  141. Old Fuel Rail Vs. New Fuel Rail
  142. Oil Leaks
  143. Found used NS, need advice.....
  144. Anyone else's N* tick at idle?
  145. Fuel Pressure Regulator and hot start problems
  146. HiPo Northstars in the house?
  147. Deville 96 Coolant leaking ...
  148. 1993 STS Rough Idle
  149. Oil pan bolt torque
  150. 96 Deville Northstar, No Oil Pressure out of the blue.
  151. So K&N air filter is no good?
  152. 93 Eldorado
  153. 98 deville hard starting
  154. check transmission message
  155. 99 deville/Northstar
  156. Opinions Needed
  157. Coolant supplement tabs not added at coolant change. Now what???
  158. 55.6 mpg
  159. 89in-lb? Seriously?
  160. transmission oil loss
  161. lean fuel mixture
  162. Has anybody bothered to check their Calculated Octane Rating on their OBDI Northstar?
  163. 98 STS airbox mod?
  164. cable acting up, white smoke 94 sls
  165. Trans Fluid Change Question
  166. Can anyone tell me if I have a bad head gasket
  167. Regular vs Premium Gas
  168. Po39
  169. My cheap-ass tune up
  170. head gasket and engine in-vehicle possible?
  171. 95 seville starter help!! plz look
  172. Possible Idling Problem?
  173. lifting out the '94 northstar.. please take a look
  174. My Nitrous project is under way...
  175. trans. leak
  176. c
  177. Coolant leak 98 DeVille and desparate
  178. Coolant leak and desparate
  179. Spark Plugs
  180. How about Eldo Performance Mods?
  181. new radiator, now engine overheats
  182. new radiator, now engine overheats
  183. Parts lookup by GM part #?? is it possible?
  184. Flushing 4T80E....how many quarts of fluid?
  185. changing PCValve on 94 eldorado
  186. Error code P035
  187. pull engine from the top in sections ?
  188. Sharp right turn=Puff of blue smoke!
  189. inside radiator leak/transmission leak?
  190. 93 Eldorado 4.6 Northstar "chuggle"
  191. high trans line pressure
  192. Firing order
  193. Northstar question!
  194. Can we get a moment of silence...
  195. air filter in a 1999 Deville
  196. So far I'm not thrilled
  197. Misfire and coils
  198. OBD2 Code RSM0038???
  199. Missfire - NEED HELP
  200. P036 & P056?
  201. Service Engine Soon? No apparent problems
  202. Replaced plug wires and plugs still misfire code
  203. I want more power out of my Northstar
  204. Is there any update on a head gasket sealer that works?
  205. What happened?
  206. Infinitely better than the 'turbonoter'!
  207. Headgasket change ????
  208. Motor Noise
  209. best oil for the 96 northstar 133000 miles
  210. northstar oil leak issues
  211. Where can I cash in a blown PCM core?
  212. hole in the block!!!!!!!!!!
  213. Intake Manifold removal
  214. 96 Edlo Cranks will not start
  215. Lower temp stat & fan sensor?
  216. 93 Allante Northstar oil leak
  217. Guide to replace water pump...
  218. Surge tank
  219. Dex Cool
  220. My crank pulley is wobbling...
  221. Throttle Body Question...
  222. oil pressure light
  223. General Northstar info needed
  224. overheating
  225. bad smell and smoke
  226. How do i clean the heads on my aluminum block?
  227. Dex-cool controversy
  228. what year engine is this!
  229. gasket
  230. NEW (used) Cadillac Owner Deville Northstar 32V
  231. Overheating '99 D'Elegance, need to sell....
  232. headgasket blown?
  233. 1996 cadillac deville for sale
  234. Shift solonoid ?, not like in thread below
  235. 97 eldorado etc with a stumble
  236. do I need two sets of timeserts?
  237. Trouble starting once engine is warm
  238. coolant level
  239. Ok computer genius!! I need you help please
  240. removing northstar engine AC COMPRESSOR question
  241. Intermittant detonation
  242. n*Headgasket Diag. the Hardway
  243. Using 1st, 2nd, 3rd gears in 99' STS
  244. Northstar 1993 Explosion - Urgent Need
  245. having a starting problem on my 94 sls
  246. '95 Northstar into a '94?
  247. NorthStar reliability?
  248. Leaking Coolant, where is it coming from?
  249. Removing the front valve cover on 98 N*???
  250. Low battery voltage causing hard starts ?