: Northstar Engines and System Technical Discussion



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  1. Crankshaft Position Sensor Replaced-Code Still Set P0385
  2. Water pump question on 94 STS
  3. Is it possible to lose HP
  4. Performance tune-up for 94 North*using performance coils.
  5. 97 N* Shaky idle
  6. 97 N8 port, polish and valve job
  7. Differance between 94 and 97 N*
  8. Question about the transmission fluid
  9. Northstar Misfire... no error codes
  10. More Horsepower
  11. Volant Review / So I did it without instructions.
  12. Tranny Prob, Please help!!
  13. High oil consumption (1 quart/week!!)
  14. A/C question/help for 94 STS
  15. Magnets Increase Mileage/Power??
  16. TC0047 Code
  17. Need some help installing Volant
  18. Add Engine Oil alert
  19. P1860... Problem
  20. loss of fuel pressure
  21. O2 sensor change, mpg improvement?
  22. Northstar heads(all) and ECU Chip(93-95). Real power!
  23. 97 deville-changing plugs and wires
  24. NS300L Insert kit
  25. Head gasket set
  26. Coolant Change?
  27. P0441... P0404... ?
  28. P0533... fuel gauge is going nuts
  29. Trans Solenoids??
  30. Timesert VS NS300L Insert System
  31. How much runout is okay?
  32. 95 concours stalling
  33. Looking for Timesert Kit
  34. '94 SLS oil pan / oil manifold / half case leaks
  35. Metal pipe coolant leak...'custom' fix???
  36. Engine apart, which direction does it crank?
  37. 94 Northstar with broken valve.
  38. Oil pressure emergency
  39. hesitation
  40. Timeserts
  41. '99 or '00 ETC?
  42. Fuel pump locking ring
  43. What else do I need to know after unhooking PCM
  44. coolant change
  45. Volant Install
  46. Rebuilt Northstars
  47. Found Rotella 10W-30 at O'Reilly auto parts
  48. PSA: Need sensors?
  49. 1999 Deville front suspension rattle
  50. 1996 Deville 4.6L Water Pump Replacement
  51. N* drive train weight
  52. felpro headgaskets
  53. N* 4.0 liter removal
  54. Smoke at startup?
  55. Whining Power Steering Pump
  56. Questions about servicing my 99 Deville
  57. Where 2 buy main and rod berings for 2004 N*
  58. Lady In Distress - '01 Northstar Intermittent Stalling & Not Starting - Clues Please?
  59. Anyone have HG pics? Not overheating but probs...
  60. Nitrous A/F findings & questions.
  61. 2 N* Questions - Coolent and Tranny Dipstick?
  62. 96 STS Head Gasket Story...
  63. cool Northstar info.
  64. Engine removal
  65. 96 Deville 4.6 North* overheating problem
  66. Hot Hot Hot Is Gone - Finally
  67. A couple Nasty Problems! HELP!
  68. How to change fuel injectors?
  69. Tips for replacing Crankshaft Position Sensors
  70. Oil pan gasket leak!
  71. Oil leak?
  72. left blinker not working when headlights on
  73. Lag in the transmission
  74. p1441 evap code help
  75. P043 -- headache -- what is happening???
  76. New here
  77. Differences in 275 & 300 HP Nstar
  78. Electric Turbo
  79. PCM swap???
  80. Northstar Blocks Cracking ?
  81. what is wrong w/ my n*
  82. Oxygen Sensors Grounding
  83. 94 Seville-Turn signals not working, smoking?
  84. trouble starting after timesert job - HELP!
  85. How do you Northstar owners like your Northstars? Would you recommend them?
  86. Northstar performance Upgrades!!!
  87. Northstar Engine Block STEEL CYL INSERTS
  88. a lil help please
  89. How do I tell if my headgasket was repaired?
  90. keep losing coolant...hard to trace
  91. '94 STS is overheating
  92. '94 SLS Idling to fast
  93. 01 Eldo - 100shot Nitrous - track results
  94. RSM Racing / No more?
  95. 2000 STS Error Codes
  96. quick engine question
  97. A few questions about the 4.0 Northstar
  98. So what would happen...
  99. engine oil leaking
  100. Oil change today after 12,735 since last oil change
  101. Help with Check engine light and pcm codes!!
  102. Is this realistic ?
  103. which car to buy
  104. fuel injector fell out!?!?
  105. exhaust sizes and upgrades?
  106. exhuast sizes an performance
  107. 1996 Deville with a small head gasket leak.
  108. Water Pump pulley
  109. Anyone have a timesert bit they could measure for me?
  110. No Spark On Hot Restart
  111. Northstar parts
  112. question on swaping out 96 northstar
  113. Engine additives...safe for N*?
  114. Transmission Problem
  115. Finally Been Done Cadillac Obd-2 N* Pcm Programmer!!!
  116. Need help one more time!!!!!
  117. hot start when cold
  118. Headgaskets - deterioration or pulled head studs?
  119. Oil Coverd Spark Plugs on Northstar
  120. 1995 new starter $1000 plus?...
  121. AC Compressor
  122. How to calculate HP to weight ratio?
  123. 300 hp northstar in a deville
  124. Belt problem
  125. motor oil?
  126. 94 DeVille..I cant get my drive belt back on. Help!!
  127. not rough idle, just abnormal, help?!
  128. help identifying parts and removing wire harness
  129. Starter Grind on 94 STS
  130. P132 (E132) ......................................... Knock Sensor Circuitry Failure
  131. Oil Pan Removal??? What am I missing
  132. N* water pump?
  133. What Year NSs Fit a '99 Deville? Need Help
  134. Well...how about ram air?
  135. Congratulations to Ranger...10000 posts
  136. Does The Tornado Really work? And Cold air intake!!!
  137. Was H. Gasket Prob Fixed in Later NStars?
  138. 2000 NS Oil Leak
  139. 94 ETC intermittent/low RPM miss
  140. Catalytic Converter Question -
  141. runaway eng Speed -Glowing exhaust -4.6L N*
  142. GM replacement surge tank cap
  143. Help installing camshafts
  144. Sound like the injectors?
  145. 94 eldo tc engine knocking (i think)
  146. Engine Roaring and Popping from dead stop
  147. 03 STS rough IDLE P0300 & U1016 Code
  148. So I went on the highway in 2nd gear...
  149. Water pump belt?
  150. Low/No Oil Pressure
  151. Leaking oil, Not leaking oil
  152. Where Is The Ecu/pcm Located.
  153. Cylinder pressure test for blown head gasket??
  154. coolant pipes - replace or repair?
  155. few head gasket procedure questions
  156. MAP Sensor Problems. Need A Little Guidance.
  157. So Mixing Different Weight Oils is OK?
  158. Fan fuse
  159. Northstar Engine Swap. Has any1 Done it?
  160. Has anyone experience there car cutting off when the fuel is low but will restart?
  161. 99 STS Turbo Update
  162. Northstar cooling system question
  163. Hot Hot Hot !!!!
  164. How exactly do Oil Life Monitors work?
  165. crankshalf sensors
  166. S060 and P039
  167. DENSO or AC Delco Spark Plugs for a Northstar?
  168. normal running temp for a northstar?
  169. Water Pump replacement on a 96 deville
  170. Gonna Have to LIve with the Lifter Tick
  171. Codes
  172. 98 sts overheating problems
  173. corsa exhaust sound clip
  174. My northstar went south
  175. Crankshaft Position Sensor dead again??!?! Symptoms?
  176. 93-95 performance parts!
  177. 2003 FWD Deville engine dying
  178. Damaged boot between intake & tb... need advice
  179. red line
  180. new o2 sensor still p030 when idle
  181. turn signal problem ('94 STS)
  182. warped heads common?
  183. radiator or head gasket????????
  184. thermostat options
  185. Bad ( burning? ) Smell
  186. ISC replacement
  187. 98 deville spark plugs
  188. Oil Level Sensor
  189. Dropping cradle today, need a bit of guidance
  190. Maff screen remove? power gains?
  191. Runnin without o2 fuses in
  192. Thoughts on G-Tech Pro
  193. PCM Programming for N*?
  194. Decreased Performance ???
  195. anyone use non-"time" serts
  196. Fuel Rail Question...
  197. portability of engine, tranny, etc
  198. Harder than heck to start my
  199. Z-rated 93/94 Seville/Eldo PCM for sale-Ebay
  200. Northstar ETC dynoed
  201. Northstar in an Allante vs an STS?
  202. Long Block Replacement
  203. Leaking Fuel Rail
  204. turning off traction control on '95 sts
  205. New Towing Hitch
  206. Overheating problem just started.
  207. Normal Oil Consumption ???
  208. 112mph???
  209. 93 N* coolant temp sensor
  210. Finally Found PCM Programmer for 96-04 N* OBD-2!!!
  211. Voltage question
  212. Oil Question?????
  213. 97' Cadillac Deville Overheating
  214. ticking throttle
  215. Best Head Gasket Sealer
  216. '94 SLS Crankshaft pully
  217. 99 seville sls
  218. 1/4 mile
  219. radiator fan not spinning
  220. Noisy Lifters
  221. Sticky lifter Update
  222. Expensive Air Filters Worth it???
  223. Coolant system question
  224. hard start when hot, not FPR
  225. An Intresting scan tool
  226. pre 99 N* water pump belt tensioner.
  227. Hard Start/ Fuel Odor
  228. Belt Pulley
  229. coolant flow question
  230. Reading data from OBD II
  231. Inaccurate Battery Voltage Display??
  232. Detonation and Pre-ignition
  233. 94 STS needs help
  234. lifting a northstar
  235. Bosch +2 plugs (report)
  236. OSD says "Change Trans Fluid"
  237. premium at the pump...or is it??
  238. Heating Up
  239. 0-60
  240. More performance
  241. cooling fan problem
  242. 1995 seville pcm problem HELP
  243. Valve Train Question
  244. I keep getting P0404 and P0441? Looking for suggestions...
  245. wiring oil pressure sensor
  246. I keep getting P0404 and P0441
  247. Cooling Fans
  248. Some N* questions
  249. Check Engine Oil Level
  250. This N* is living a good life...