: Northstar Engines and System Technical Discussion



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  1. Export code
  2. Strange hole under ignition module
  3. Balls to the wall - N* style
  4. Timesert kit for sale
  5. Bank 2 identification
  6. Source of whining noise
  7. So many questions, so little time
  8. need help with p036 and p094
  9. Odin8 are you out there ?
  10. will '94 concours fuel injectors fit '96 sts?
  11. 1BadCaddy 94' STS update on power tune up.
  12. 4T80E Troubles?
  13. Coolant leak under throttle body area?
  14. After Shift Sol. Replacement...
  15. Safe amount of boos for stock motor?
  16. Found the reason why my car "jerks" during acceleration
  17. Head torque
  18. Ground Cable Location?
  19. Northstar leaking coolant....big time!
  20. Setting the timing gears and belts on 96 n* 4.6
  21. Help on hesitant start...
  22. New to forum, getting a caddy, some advice needed...
  23. Head gasket = overheat while driving or idling?
  24. Mini N*
  25. Tranny Prob, sheared pump shaft
  26. Twin Turbo N* powered 1948 Tucker
  27. cracked block
  28. Legit "Performance chip"?
  29. Missing Hose On Vacuum Purge Switch?
  30. N* water pump froze in housing
  31. coolant leak 00 sts
  32. 1990 Eldorado won't Start !
  33. started my headgasket job today
  34. is this normal or could this be my problem
  35. Anyone ever see this thing
  36. Sludge in my engine?
  37. WOT's northstar knock?
  38. STS Coolant Burping Air out of Coolant Question
  39. Oil leak
  40. N* rebuild....hmmm what to add to my mod list
  41. Keys to long lasting N*'s
  42. Complete engine overhaul, need help ASAP
  43. Cadillac Eldorado 1995 ER HELP NEEDED!!!
  44. Huge Problem, No Shop Can Fix!!!! Help!!!
  45. 04 STS misfires when idles, goes away when you floor it.
  46. northstar research thread pics 56k beware
  47. Exhaust size
  48. Plugs And Wires
  49. Which kind of FPR?
  50. 93 Seville?
  51. 96-99 motor wiring diagrams
  52. 91 Eldo STILL misses
  53. Torque vs Horsepower primer
  54. Crankshaft Position Sensor Replaced-Code Still Set P0385
  55. Water pump question on 94 STS
  56. Is it possible to lose HP
  57. Performance tune-up for 94 North*using performance coils.
  58. 97 N* Shaky idle
  59. 97 N8 port, polish and valve job
  60. Differance between 94 and 97 N*
  61. Question about the transmission fluid
  62. Northstar Misfire... no error codes
  63. More Horsepower
  64. Volant Review / So I did it without instructions.
  65. Tranny Prob, Please help!!
  66. High oil consumption (1 quart/week!!)
  67. A/C question/help for 94 STS
  68. Magnets Increase Mileage/Power??
  69. TC0047 Code
  70. Need some help installing Volant
  71. Add Engine Oil alert
  72. P1860... Problem
  73. loss of fuel pressure
  74. O2 sensor change, mpg improvement?
  75. Northstar heads(all) and ECU Chip(93-95). Real power!
  76. 97 deville-changing plugs and wires
  77. NS300L Insert kit
  78. Head gasket set
  79. Coolant Change?
  80. P0441... P0404... ?
  81. P0533... fuel gauge is going nuts
  82. Trans Solenoids??
  83. Timesert VS NS300L Insert System
  84. How much runout is okay?
  85. 95 concours stalling
  86. Looking for Timesert Kit
  87. '94 SLS oil pan / oil manifold / half case leaks
  88. Metal pipe coolant leak...'custom' fix???
  89. Engine apart, which direction does it crank?
  90. 94 Northstar with broken valve.
  91. Oil pressure emergency
  92. hesitation
  93. Timeserts
  94. '99 or '00 ETC?
  95. Fuel pump locking ring
  96. What else do I need to know after unhooking PCM
  97. coolant change
  98. Volant Install
  99. Rebuilt Northstars
  100. Found Rotella 10W-30 at O'Reilly auto parts
  101. PSA: Need sensors?
  102. 1999 Deville front suspension rattle
  103. 1996 Deville 4.6L Water Pump Replacement
  104. N* drive train weight
  105. felpro headgaskets
  106. N* 4.0 liter removal
  107. Smoke at startup?
  108. Whining Power Steering Pump
  109. Questions about servicing my 99 Deville
  110. Where 2 buy main and rod berings for 2004 N*
  111. Lady In Distress - '01 Northstar Intermittent Stalling & Not Starting - Clues Please?
  112. Anyone have HG pics? Not overheating but probs...
  113. Nitrous A/F findings & questions.
  114. 2 N* Questions - Coolent and Tranny Dipstick?
  115. 96 STS Head Gasket Story...
  116. cool Northstar info.
  117. Engine removal
  118. 96 Deville 4.6 North* overheating problem
  119. Hot Hot Hot Is Gone - Finally
  120. A couple Nasty Problems! HELP!
  121. How to change fuel injectors?
  122. Tips for replacing Crankshaft Position Sensors
  123. Oil pan gasket leak!
  124. Oil leak?
  125. left blinker not working when headlights on
  126. Lag in the transmission
  127. p1441 evap code help
  128. P043 -- headache -- what is happening???
  129. New here
  130. Differences in 275 & 300 HP Nstar
  131. Electric Turbo
  132. PCM swap???
  133. Northstar Blocks Cracking ?
  134. what is wrong w/ my n*
  135. Oxygen Sensors Grounding
  136. 94 Seville-Turn signals not working, smoking?
  137. trouble starting after timesert job - HELP!
  138. How do you Northstar owners like your Northstars? Would you recommend them?
  139. Northstar performance Upgrades!!!
  140. Northstar Engine Block STEEL CYL INSERTS
  141. a lil help please
  142. How do I tell if my headgasket was repaired?
  143. keep losing coolant...hard to trace
  144. '94 STS is overheating
  145. '94 SLS Idling to fast
  146. 01 Eldo - 100shot Nitrous - track results
  147. RSM Racing / No more?
  148. 2000 STS Error Codes
  149. quick engine question
  150. A few questions about the 4.0 Northstar
  151. So what would happen...
  152. engine oil leaking
  153. Oil change today after 12,735 since last oil change
  154. Help with Check engine light and pcm codes!!
  155. Is this realistic ?
  156. which car to buy
  157. fuel injector fell out!?!?
  158. exhaust sizes and upgrades?
  159. exhuast sizes an performance
  160. 1996 Deville with a small head gasket leak.
  161. Water Pump pulley
  162. Anyone have a timesert bit they could measure for me?
  163. No Spark On Hot Restart
  164. Northstar parts
  165. question on swaping out 96 northstar
  166. Engine additives...safe for N*?
  167. Transmission Problem
  168. Finally Been Done Cadillac Obd-2 N* Pcm Programmer!!!
  169. Need help one more time!!!!!
  170. hot start when cold
  171. Headgaskets - deterioration or pulled head studs?
  172. Oil Coverd Spark Plugs on Northstar
  173. 1995 new starter $1000 plus?...
  174. AC Compressor
  175. How to calculate HP to weight ratio?
  176. 300 hp northstar in a deville
  177. Belt problem
  178. motor oil?
  179. 94 DeVille..I cant get my drive belt back on. Help!!
  180. not rough idle, just abnormal, help?!
  181. help identifying parts and removing wire harness
  182. Starter Grind on 94 STS
  183. P132 (E132) ......................................... Knock Sensor Circuitry Failure
  184. Oil Pan Removal??? What am I missing
  185. N* water pump?
  186. What Year NSs Fit a '99 Deville? Need Help
  187. Well...how about ram air?
  188. Congratulations to Ranger...10000 posts
  189. Does The Tornado Really work? And Cold air intake!!!
  190. Was H. Gasket Prob Fixed in Later NStars?
  191. 2000 NS Oil Leak
  192. 94 ETC intermittent/low RPM miss
  193. Catalytic Converter Question -
  194. runaway eng Speed -Glowing exhaust -4.6L N*
  195. GM replacement surge tank cap
  196. Help installing camshafts
  197. Sound like the injectors?
  198. 94 eldo tc engine knocking (i think)
  199. Engine Roaring and Popping from dead stop
  200. 03 STS rough IDLE P0300 & U1016 Code
  201. So I went on the highway in 2nd gear...
  202. Water pump belt?
  203. Low/No Oil Pressure
  204. Leaking oil, Not leaking oil
  205. Where Is The Ecu/pcm Located.
  206. Cylinder pressure test for blown head gasket??
  207. coolant pipes - replace or repair?
  208. few head gasket procedure questions
  209. MAP Sensor Problems. Need A Little Guidance.
  210. So Mixing Different Weight Oils is OK?
  211. Fan fuse
  212. Northstar Engine Swap. Has any1 Done it?
  213. Has anyone experience there car cutting off when the fuel is low but will restart?
  214. 99 STS Turbo Update
  215. Northstar cooling system question
  216. Hot Hot Hot !!!!
  217. How exactly do Oil Life Monitors work?
  218. crankshalf sensors
  219. S060 and P039
  220. DENSO or AC Delco Spark Plugs for a Northstar?
  221. normal running temp for a northstar?
  222. Water Pump replacement on a 96 deville
  223. Gonna Have to LIve with the Lifter Tick
  224. Codes
  225. 98 sts overheating problems
  226. corsa exhaust sound clip
  227. My northstar went south
  228. Crankshaft Position Sensor dead again??!?! Symptoms?
  229. 93-95 performance parts!
  230. 2003 FWD Deville engine dying
  231. Damaged boot between intake & tb... need advice
  232. red line
  233. new o2 sensor still p030 when idle
  234. turn signal problem ('94 STS)
  235. warped heads common?
  236. radiator or head gasket????????
  237. thermostat options
  238. Bad ( burning? ) Smell
  239. ISC replacement
  240. 98 deville spark plugs
  241. Oil Level Sensor
  242. Dropping cradle today, need a bit of guidance
  243. Maff screen remove? power gains?
  244. Runnin without o2 fuses in
  245. Thoughts on G-Tech Pro
  246. PCM Programming for N*?
  247. Decreased Performance ???
  248. anyone use non-"time" serts
  249. Fuel Rail Question...
  250. portability of engine, tranny, etc