: Northstar Engines and System Technical Discussion



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  1. Differance between 94 and 97 N*
  2. Question about the transmission fluid
  3. Northstar Misfire... no error codes
  4. More Horsepower
  5. Volant Review / So I did it without instructions.
  6. Tranny Prob, Please help!!
  7. High oil consumption (1 quart/week!!)
  8. A/C question/help for 94 STS
  9. Magnets Increase Mileage/Power??
  10. TC0047 Code
  11. Need some help installing Volant
  12. Add Engine Oil alert
  13. P1860... Problem
  14. loss of fuel pressure
  15. O2 sensor change, mpg improvement?
  16. Northstar heads(all) and ECU Chip(93-95). Real power!
  17. 97 deville-changing plugs and wires
  18. NS300L Insert kit
  19. Head gasket set
  20. Coolant Change?
  21. P0441... P0404... ?
  22. P0533... fuel gauge is going nuts
  23. Trans Solenoids??
  24. Timesert VS NS300L Insert System
  25. How much runout is okay?
  26. 95 concours stalling
  27. Looking for Timesert Kit
  28. '94 SLS oil pan / oil manifold / half case leaks
  29. Metal pipe coolant leak...'custom' fix???
  30. Engine apart, which direction does it crank?
  31. 94 Northstar with broken valve.
  32. Oil pressure emergency
  33. hesitation
  34. Timeserts
  35. '99 or '00 ETC?
  36. Fuel pump locking ring
  37. What else do I need to know after unhooking PCM
  38. coolant change
  39. Volant Install
  40. Rebuilt Northstars
  41. Found Rotella 10W-30 at O'Reilly auto parts
  42. PSA: Need sensors?
  43. 1999 Deville front suspension rattle
  44. 1996 Deville 4.6L Water Pump Replacement
  45. N* drive train weight
  46. felpro headgaskets
  47. N* 4.0 liter removal
  48. Smoke at startup?
  49. Whining Power Steering Pump
  50. Questions about servicing my 99 Deville
  51. Where 2 buy main and rod berings for 2004 N*
  52. Lady In Distress - '01 Northstar Intermittent Stalling & Not Starting - Clues Please?
  53. Anyone have HG pics? Not overheating but probs...
  54. Nitrous A/F findings & questions.
  55. 2 N* Questions - Coolent and Tranny Dipstick?
  56. 96 STS Head Gasket Story...
  57. cool Northstar info.
  58. Engine removal
  59. 96 Deville 4.6 North* overheating problem
  60. Hot Hot Hot Is Gone - Finally
  61. A couple Nasty Problems! HELP!
  62. How to change fuel injectors?
  63. Tips for replacing Crankshaft Position Sensors
  64. Oil pan gasket leak!
  65. Oil leak?
  66. left blinker not working when headlights on
  67. Lag in the transmission
  68. p1441 evap code help
  69. P043 -- headache -- what is happening???
  70. New here
  71. Differences in 275 & 300 HP Nstar
  72. Electric Turbo
  73. PCM swap???
  74. Northstar Blocks Cracking ?
  75. what is wrong w/ my n*
  76. Oxygen Sensors Grounding
  77. 94 Seville-Turn signals not working, smoking?
  78. trouble starting after timesert job - HELP!
  79. How do you Northstar owners like your Northstars? Would you recommend them?
  80. Northstar performance Upgrades!!!
  81. Northstar Engine Block STEEL CYL INSERTS
  82. a lil help please
  83. How do I tell if my headgasket was repaired?
  84. keep losing coolant...hard to trace
  85. '94 STS is overheating
  86. '94 SLS Idling to fast
  87. 01 Eldo - 100shot Nitrous - track results
  88. RSM Racing / No more?
  89. 2000 STS Error Codes
  90. quick engine question
  91. A few questions about the 4.0 Northstar
  92. So what would happen...
  93. engine oil leaking
  94. Oil change today after 12,735 since last oil change
  95. Help with Check engine light and pcm codes!!
  96. Is this realistic ?
  97. which car to buy
  98. fuel injector fell out!?!?
  99. exhaust sizes and upgrades?
  100. exhuast sizes an performance
  101. 1996 Deville with a small head gasket leak.
  102. Water Pump pulley
  103. Anyone have a timesert bit they could measure for me?
  104. No Spark On Hot Restart
  105. Northstar parts
  106. question on swaping out 96 northstar
  107. Engine additives...safe for N*?
  108. Transmission Problem
  109. Finally Been Done Cadillac Obd-2 N* Pcm Programmer!!!
  110. Need help one more time!!!!!
  111. hot start when cold
  112. Headgaskets - deterioration or pulled head studs?
  113. Oil Coverd Spark Plugs on Northstar
  114. 1995 new starter $1000 plus?...
  115. AC Compressor
  116. How to calculate HP to weight ratio?
  117. 300 hp northstar in a deville
  118. Belt problem
  119. motor oil?
  120. 94 DeVille..I cant get my drive belt back on. Help!!
  121. not rough idle, just abnormal, help?!
  122. help identifying parts and removing wire harness
  123. Starter Grind on 94 STS
  124. P132 (E132) ......................................... Knock Sensor Circuitry Failure
  125. Oil Pan Removal??? What am I missing
  126. N* water pump?
  127. What Year NSs Fit a '99 Deville? Need Help
  128. Well...how about ram air?
  129. Congratulations to Ranger...10000 posts
  130. Does The Tornado Really work? And Cold air intake!!!
  131. Was H. Gasket Prob Fixed in Later NStars?
  132. 2000 NS Oil Leak
  133. 94 ETC intermittent/low RPM miss
  134. Catalytic Converter Question -
  135. runaway eng Speed -Glowing exhaust -4.6L N*
  136. GM replacement surge tank cap
  137. Help installing camshafts
  138. Sound like the injectors?
  139. 94 eldo tc engine knocking (i think)
  140. Engine Roaring and Popping from dead stop
  141. 03 STS rough IDLE P0300 & U1016 Code
  142. So I went on the highway in 2nd gear...
  143. Water pump belt?
  144. Low/No Oil Pressure
  145. Leaking oil, Not leaking oil
  146. Where Is The Ecu/pcm Located.
  147. Cylinder pressure test for blown head gasket??
  148. coolant pipes - replace or repair?
  149. few head gasket procedure questions
  150. MAP Sensor Problems. Need A Little Guidance.
  151. So Mixing Different Weight Oils is OK?
  152. Fan fuse
  153. Northstar Engine Swap. Has any1 Done it?
  154. Has anyone experience there car cutting off when the fuel is low but will restart?
  155. 99 STS Turbo Update
  156. Northstar cooling system question
  157. Hot Hot Hot !!!!
  158. How exactly do Oil Life Monitors work?
  159. crankshalf sensors
  160. S060 and P039
  161. DENSO or AC Delco Spark Plugs for a Northstar?
  162. normal running temp for a northstar?
  163. Water Pump replacement on a 96 deville
  164. Gonna Have to LIve with the Lifter Tick
  165. Codes
  166. 98 sts overheating problems
  167. corsa exhaust sound clip
  168. My northstar went south
  169. Crankshaft Position Sensor dead again??!?! Symptoms?
  170. 93-95 performance parts!
  171. 2003 FWD Deville engine dying
  172. Damaged boot between intake & tb... need advice
  173. red line
  174. new o2 sensor still p030 when idle
  175. turn signal problem ('94 STS)
  176. warped heads common?
  177. radiator or head gasket????????
  178. thermostat options
  179. Bad ( burning? ) Smell
  180. ISC replacement
  181. 98 deville spark plugs
  182. Oil Level Sensor
  183. Dropping cradle today, need a bit of guidance
  184. Maff screen remove? power gains?
  185. Runnin without o2 fuses in
  186. Thoughts on G-Tech Pro
  187. PCM Programming for N*?
  188. Decreased Performance ???
  189. anyone use non-"time" serts
  190. Fuel Rail Question...
  191. portability of engine, tranny, etc
  192. Harder than heck to start my
  193. Z-rated 93/94 Seville/Eldo PCM for sale-Ebay
  194. Northstar ETC dynoed
  195. Northstar in an Allante vs an STS?
  196. Long Block Replacement
  197. Leaking Fuel Rail
  198. turning off traction control on '95 sts
  199. New Towing Hitch
  200. Overheating problem just started.
  201. Normal Oil Consumption ???
  202. 112mph???
  203. 93 N* coolant temp sensor
  204. Finally Found PCM Programmer for 96-04 N* OBD-2!!!
  205. Voltage question
  206. Oil Question?????
  207. 97' Cadillac Deville Overheating
  208. ticking throttle
  209. Best Head Gasket Sealer
  210. '94 SLS Crankshaft pully
  211. 99 seville sls
  212. 1/4 mile
  213. radiator fan not spinning
  214. Noisy Lifters
  215. Sticky lifter Update
  216. Expensive Air Filters Worth it???
  217. Coolant system question
  218. hard start when hot, not FPR
  219. An Intresting scan tool
  220. pre 99 N* water pump belt tensioner.
  221. Hard Start/ Fuel Odor
  222. Belt Pulley
  223. coolant flow question
  224. Reading data from OBD II
  225. Inaccurate Battery Voltage Display??
  226. Detonation and Pre-ignition
  227. 94 STS needs help
  228. lifting a northstar
  229. Bosch +2 plugs (report)
  230. OSD says "Change Trans Fluid"
  231. premium at the pump...or is it??
  232. Heating Up
  233. 0-60
  234. More performance
  235. cooling fan problem
  236. 1995 seville pcm problem HELP
  237. Valve Train Question
  238. I keep getting P0404 and P0441? Looking for suggestions...
  239. wiring oil pressure sensor
  240. I keep getting P0404 and P0441
  241. Cooling Fans
  242. Some N* questions
  243. Check Engine Oil Level
  244. This N* is living a good life...
  245. Read TECH TIPS FPR - More Info needed
  246. Intakes
  247. 93 sts running rough only when hot
  248. What does "B2118 - Front Vertical Sensor Failed" mean?
  249. Anti-Sieze and Spark Plugs
  250. Intake Manifold questions - chime in!