: Northstar Engines and System Technical Discussion



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  1. Need a Timesert kit
  2. its been a little while but i am back for good!!
  3. Stalls after fill-up
  4. High Oil Consumption *INFO*
  5. I got porked...Blown N*.
  6. Glowing red exhaust manifolds
  7. Pop Off / Backfire Valve Replacement
  8. fuel filter location?
  9. Pictures of Turbo Project
  10. Head gasket compressed thickness
  11. Emission Codes
  12. Extremely Rough Idle... Cracked Intake Manifold?
  13. Spark Plug Gap
  14. Biggest Problems with the N*'s?
  15. 1999 STS - Timesert question
  16. Gurgling Sound/ Trapped Air in Coolant System
  17. Injector
  18. 95 Deville howl's near the belt
  19. 97 deville N* head gasket costs?????
  20. No overdive
  21. Emmissions Codes
  22. One gear, LIMP MODE? NO CODES
  23. 2000 Deville TCC PWM replacement
  24. p056
  25. 98 Northstar Fuel Rail Recall
  26. Removing bad FPR
  27. '95 Eldorado start-up getting more "difficult"
  28. 93 Northstar Headgasket - Can I do it myself?
  29. Reliability and longevity of a 97 N* motor?
  30. Gas-saving gadgets article
  31. Crank Position Sensor
  32. 1993 1994 Northstar Intake Manifold
  33. How do I spot a head gasket starting to go?
  34. 97 deville radiator drain
  35. N* with code p041
  36. Intake mod
  37. Cold Start Backfire from 97 N*?
  38. OBD2 computer interface
  39. Jasper Verses OEM
  40. 1996 Eldorado Codes
  41. Piston Slap ?
  42. P0420 Code
  43. Northstar oil pump
  44. N*4.6 vibration problem
  45. Cooling system question
  46. Need an engine teardown pic...
  47. Cam Cover Gasket / o-ring replacement
  48. changing altn
  49. Reflash PCM on 96
  50. Link From Consumer Affairs to Dexcool Lawsuit Atty.
  51. Timesert Kit Needed Asap!!!
  52. Failed Emissions Test- But No Codes
  53. fpr fpr
  54. 1999 Northstar with blown head gasket
  55. Water pump??
  56. plugs and wires
  57. Changed TPS on 95 STS d/t P020, now MIL & P080
  58. throttle body cleaning was the answer
  59. Now having trouble in a different way
  60. 200 Deville occasionally won't Idle when starting warm
  61. P1406 Code? EGR?
  62. idle relearn and isc adjust
  63. 1993 Fuel Psi regulator
  64. Cracked Engine Block in 2001 DeVille
  65. 93 -99 N* vs 2000 - 2004, which is better
  66. motor mount...and more
  67. 97 deville leakin trans fluid
  68. MAF replacement
  69. too hot and too cold
  70. Does anybody here have full access to TSB info at alldata?
  71. Overheat SOLVED ! Thank You Ranger & Others
  72. '95 Northstar 4.6 oil leak
  73. Northstar Blower Motor For Sale
  74. 96 Deville running hot
  75. 97 deville stalling, no codes
  76. Changing Spark Plugs- '99 STS
  77. 94 sls overheating,maybe...
  78. I see a lot of posts on supercharging a Northstar
  79. How to get more torque, 03-DTS
  80. Replace or fix
  81. Typical NOOB questions...
  82. Northstar intake manifold
  83. Northstar intake manifold
  84. hey zonie or ranger,
  85. Losing Coolant & Radiator Leakage
  86. ac delco plugs..<-1999 and 2000-> years, whats the difference?
  87. Delco VS Bosch Plug Wires
  88. Oil "Blow By"
  89. Coming 6 speed automatic
  90. WOT - is this the ONLY way to remove carbon buildup?
  91. New source for 80mm throttle bodies!
  92. Is It A Head Gasket???
  93. Jasper Engines
  94. Confused about spark plug type
  95. Surge Tank Design
  96. Stranded out of town!!!
  97. Speed limiter
  98. cams in a northstar
  99. acceleration troubles...
  100. Coolant crossover photos
  101. P0300 Vote!
  102. the best oil for the northstar engine
  103. No Start Please I Need Help!!
  104. 3 questions regarding the timesert job
  105. fuel air mixture
  106. Replacing O2s
  107. P056
  108. Northstar V. 4.9
  109. 97 northstar engine miss
  110. Engine oil leak
  111. IN Trouble Now losing coolant
  112. ice possible message...?
  113. 96 deville oil leak
  114. Replacing a Northstar with a LS1
  115. i cant stand this stalling, why does this happen?
  116. 94STS Blown Gasket Pics
  117. 96 deville
  118. all my problems help!!!!
  119. adding a fuel treatment
  120. Is it normal for...
  121. Surging at low revs and hard shift into 2nd
  122. couple of problems, only one code- AMP B1024
  123. You want DYNO graphs?
  124. 98' Deville Waterpump
  125. The best northstar engine?
  126. How can I avoid head gasket damage?
  127. 93 Northstar Stalls with no codes
  128. '92 Seville radio question
  129. "Clunk" noise at startup? Trans Problem? Help!!
  130. fuel treatment
  131. Code P0101
  132. P023 code on 95 Eldorado
  133. 93 Eldo intermittent no spark,no start
  134. Motor change
  135. Injector malfunction Help!!!!
  136. Mod questions for a 2000 DeVille
  137. Sounds like a bird chirping
  138. 97 deville hesiatation!!!!!
  139. '96 STS OverHeating
  140. Head Gasket on 99 STS
  141. Pcv
  142. 02 DTS, Crank Sensor and Gas Mileage question, HELP!
  143. New solenoid valve kit if anyone wants it
  144. Northstar barely running
  145. Curious about performance mods...
  146. please idlee problemss help!
  147. Self scanning OBD while driving
  148. WOT advice for new member
  149. N* 1994 compatible with 1995????
  150. Coolant level? '97 Deville
  151. p1860 and p0741 repair help
  152. White Exhaust
  153. I have a code that's not on my list of codes. (P069)
  154. IAT sensor
  155. it ran so good in the past
  156. Leak Back Pressure Incorrect
  157. Code P1406 - EGR Valve Pintle Position Circuit
  158. HELP Rear Exhaust Flange Bolt Removal
  159. 02 STS simple things to help performance
  160. Groaning sound.....waterpump?
  161. Installing TPS right now.....
  162. help changed engine
  163. Throttle Body Service...is it worth$$?
  164. Throttle Body Cleaning, worth the hassel?
  165. Coolant Drain Plugs On the N*
  166. codes codes and more codes
  167. service.gm.com password?
  168. years headgaskets go bad?
  169. coolant smell help!
  170. sudden stalling
  171. Dyno results before turbo charging
  172. 4.6 Northstar Parts
  173. Head Gasket Problem!!!
  174. Just had timeserts installed.
  175. oil leak
  176. Loosing Oil and Burning Smell
  177. need info on 1999 cadillac deville engine
  178. Carbon Deposit HELP FAST
  179. ABS Question/New Engine
  180. 3rd or 2nd gear for brake help
  181. O2 sensor
  182. No2 + N* ???
  183. Engine seems to be knocking
  184. No cruise driving me nuts!!!
  185. Throttle body bolt torque specs
  186. Bad Smoke Help Please
  187. Coolant Flushing Pros/Cons?
  188. Hot start...but not the FPR!
  189. failed emissions test
  190. Has anyone had a headgasket leak oil?
  191. Low Oil Pressure Stop Engine !
  192. Carbon Deposit cleaning TEC
  193. Performance Programer 97 ETC??
  194. Ram Air
  195. Surging when cold
  196. N* comp&performance mods
  197. Recall SS and FPR
  198. NS block warp?
  199. 97 Etc Cpu Mods Or Other N* Perfromance
  200. Head gasket leak after
  201. Corrupt Miles.
  202. Anyone dyno their Caddy?
  203. Rough Running 97 DeVille
  204. Northster Squeel/Whistle
  205. Sweet exhaust smell?
  206. supercharging a 4.6L Northstar
  207. engine died in acceleration! wont start.
  208. T/C cut out assembly
  209. N* feels shuddery
  210. Well, changed the oil....
  211. Starter failure???
  212. GM Remanufactured Transmission...has
  213. Heater core intake line
  214. Stays in open loop (?)
  215. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  216. Top End Setting?
  217. Code- P0442
  218. Tune-UP this weekend; questions..
  219. Is this possible ?
  220. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  221. This whole WOT thing....
  222. Fuel Pressure for a 95 STS?
  223. Should I Worry About WOT?
  224. Oil level sensor question?
  225. '97 NorthStar Coolant Temp
  226. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  227. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  228. throttle body cleaning
  229. Recommended fuel pressure + stalling
  230. 2000 ETC MPG Blew My Mind
  231. Installation/Removal of Temperature Sensor
  232. 93 sts
  233. Dropping Drive Train Axles Too?
  234. with the engine now out, what should I replace?
  235. Volant Intake For 2001-2004 4.6L Deville
  236. groan/rattling noise
  237. 1998 surging when accelerating
  238. Keeping a '97 NS running well
  239. 94 STS Help! Cooling Fans Inop
  240. prolonged cranking 1996 eldo
  241. stan_tampabay
  242. Long crank startups
  243. 2000 deville code hlep
  244. bad coolant temp sensor?
  245. www.steelseal.com
  246. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  247. Ranger....Coolant Question
  248. Northstar Coolant Questions
  249. Replaced the MAP sensor
  250. Code problem, please help!!!