: Northstar Engines and System Technical Discussion



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  1. Head gasket set
  2. Coolant Change?
  3. P0441... P0404... ?
  4. P0533... fuel gauge is going nuts
  5. Trans Solenoids??
  6. Timesert VS NS300L Insert System
  7. How much runout is okay?
  8. 95 concours stalling
  9. Looking for Timesert Kit
  10. '94 SLS oil pan / oil manifold / half case leaks
  11. Metal pipe coolant leak...'custom' fix???
  12. Engine apart, which direction does it crank?
  13. 94 Northstar with broken valve.
  14. Oil pressure emergency
  15. hesitation
  16. Timeserts
  17. '99 or '00 ETC?
  18. Fuel pump locking ring
  19. What else do I need to know after unhooking PCM
  20. coolant change
  21. Volant Install
  22. Rebuilt Northstars
  23. Found Rotella 10W-30 at O'Reilly auto parts
  24. PSA: Need sensors?
  25. 1999 Deville front suspension rattle
  26. 1996 Deville 4.6L Water Pump Replacement
  27. N* drive train weight
  28. felpro headgaskets
  29. N* 4.0 liter removal
  30. Smoke at startup?
  31. Whining Power Steering Pump
  32. Questions about servicing my 99 Deville
  33. Where 2 buy main and rod berings for 2004 N*
  34. Lady In Distress - '01 Northstar Intermittent Stalling & Not Starting - Clues Please?
  35. Anyone have HG pics? Not overheating but probs...
  36. Nitrous A/F findings & questions.
  37. 2 N* Questions - Coolent and Tranny Dipstick?
  38. 96 STS Head Gasket Story...
  39. cool Northstar info.
  40. Engine removal
  41. 96 Deville 4.6 North* overheating problem
  42. Hot Hot Hot Is Gone - Finally
  43. A couple Nasty Problems! HELP!
  44. How to change fuel injectors?
  45. Tips for replacing Crankshaft Position Sensors
  46. Oil pan gasket leak!
  47. Oil leak?
  48. left blinker not working when headlights on
  49. Lag in the transmission
  50. p1441 evap code help
  51. P043 -- headache -- what is happening???
  52. New here
  53. Differences in 275 & 300 HP Nstar
  54. Electric Turbo
  55. PCM swap???
  56. Northstar Blocks Cracking ?
  57. what is wrong w/ my n*
  58. Oxygen Sensors Grounding
  59. 94 Seville-Turn signals not working, smoking?
  60. trouble starting after timesert job - HELP!
  61. How do you Northstar owners like your Northstars? Would you recommend them?
  62. Northstar performance Upgrades!!!
  63. Northstar Engine Block STEEL CYL INSERTS
  64. a lil help please
  65. How do I tell if my headgasket was repaired?
  66. keep losing coolant...hard to trace
  67. '94 STS is overheating
  68. '94 SLS Idling to fast
  69. 01 Eldo - 100shot Nitrous - track results
  70. RSM Racing / No more?
  71. 2000 STS Error Codes
  72. quick engine question
  73. A few questions about the 4.0 Northstar
  74. So what would happen...
  75. engine oil leaking
  76. Oil change today after 12,735 since last oil change
  77. Help with Check engine light and pcm codes!!
  78. Is this realistic ?
  79. which car to buy
  80. fuel injector fell out!?!?
  81. exhaust sizes and upgrades?
  82. exhuast sizes an performance
  83. 1996 Deville with a small head gasket leak.
  84. Water Pump pulley
  85. Anyone have a timesert bit they could measure for me?
  86. No Spark On Hot Restart
  87. Northstar parts
  88. question on swaping out 96 northstar
  89. Engine additives...safe for N*?
  90. Transmission Problem
  91. Finally Been Done Cadillac Obd-2 N* Pcm Programmer!!!
  92. Need help one more time!!!!!
  93. hot start when cold
  94. Headgaskets - deterioration or pulled head studs?
  95. Oil Coverd Spark Plugs on Northstar
  96. 1995 new starter $1000 plus?...
  97. AC Compressor
  98. How to calculate HP to weight ratio?
  99. 300 hp northstar in a deville
  100. Belt problem
  101. motor oil?
  102. 94 DeVille..I cant get my drive belt back on. Help!!
  103. not rough idle, just abnormal, help?!
  104. help identifying parts and removing wire harness
  105. Starter Grind on 94 STS
  106. P132 (E132) ......................................... Knock Sensor Circuitry Failure
  107. Oil Pan Removal??? What am I missing
  108. N* water pump?
  109. What Year NSs Fit a '99 Deville? Need Help
  110. Well...how about ram air?
  111. Congratulations to Ranger...10000 posts
  112. Does The Tornado Really work? And Cold air intake!!!
  113. Was H. Gasket Prob Fixed in Later NStars?
  114. 2000 NS Oil Leak
  115. 94 ETC intermittent/low RPM miss
  116. Catalytic Converter Question -
  117. runaway eng Speed -Glowing exhaust -4.6L N*
  118. GM replacement surge tank cap
  119. Help installing camshafts
  120. Sound like the injectors?
  121. 94 eldo tc engine knocking (i think)
  122. Engine Roaring and Popping from dead stop
  123. 03 STS rough IDLE P0300 & U1016 Code
  124. So I went on the highway in 2nd gear...
  125. Water pump belt?
  126. Low/No Oil Pressure
  127. Leaking oil, Not leaking oil
  128. Where Is The Ecu/pcm Located.
  129. Cylinder pressure test for blown head gasket??
  130. coolant pipes - replace or repair?
  131. few head gasket procedure questions
  132. MAP Sensor Problems. Need A Little Guidance.
  133. So Mixing Different Weight Oils is OK?
  134. Fan fuse
  135. Northstar Engine Swap. Has any1 Done it?
  136. Has anyone experience there car cutting off when the fuel is low but will restart?
  137. 99 STS Turbo Update
  138. Northstar cooling system question
  139. Hot Hot Hot !!!!
  140. How exactly do Oil Life Monitors work?
  141. crankshalf sensors
  142. S060 and P039
  143. DENSO or AC Delco Spark Plugs for a Northstar?
  144. normal running temp for a northstar?
  145. Water Pump replacement on a 96 deville
  146. Gonna Have to LIve with the Lifter Tick
  147. Codes
  148. 98 sts overheating problems
  149. corsa exhaust sound clip
  150. My northstar went south
  151. Crankshaft Position Sensor dead again??!?! Symptoms?
  152. 93-95 performance parts!
  153. 2003 FWD Deville engine dying
  154. Damaged boot between intake & tb... need advice
  155. red line
  156. new o2 sensor still p030 when idle
  157. turn signal problem ('94 STS)
  158. warped heads common?
  159. radiator or head gasket????????
  160. thermostat options
  161. Bad ( burning? ) Smell
  162. ISC replacement
  163. 98 deville spark plugs
  164. Oil Level Sensor
  165. Dropping cradle today, need a bit of guidance
  166. Maff screen remove? power gains?
  167. Runnin without o2 fuses in
  168. Thoughts on G-Tech Pro
  169. PCM Programming for N*?
  170. Decreased Performance ???
  171. anyone use non-"time" serts
  172. Fuel Rail Question...
  173. portability of engine, tranny, etc
  174. Harder than heck to start my
  175. Z-rated 93/94 Seville/Eldo PCM for sale-Ebay
  176. Northstar ETC dynoed
  177. Northstar in an Allante vs an STS?
  178. Long Block Replacement
  179. Leaking Fuel Rail
  180. turning off traction control on '95 sts
  181. New Towing Hitch
  182. Overheating problem just started.
  183. Normal Oil Consumption ???
  184. 112mph???
  185. 93 N* coolant temp sensor
  186. Finally Found PCM Programmer for 96-04 N* OBD-2!!!
  187. Voltage question
  188. Oil Question?????
  189. 97' Cadillac Deville Overheating
  190. ticking throttle
  191. Best Head Gasket Sealer
  192. '94 SLS Crankshaft pully
  193. 99 seville sls
  194. 1/4 mile
  195. radiator fan not spinning
  196. Noisy Lifters
  197. Sticky lifter Update
  198. Expensive Air Filters Worth it???
  199. Coolant system question
  200. hard start when hot, not FPR
  201. An Intresting scan tool
  202. pre 99 N* water pump belt tensioner.
  203. Hard Start/ Fuel Odor
  204. Belt Pulley
  205. coolant flow question
  206. Reading data from OBD II
  207. Inaccurate Battery Voltage Display??
  208. Detonation and Pre-ignition
  209. 94 STS needs help
  210. lifting a northstar
  211. Bosch +2 plugs (report)
  212. OSD says "Change Trans Fluid"
  213. premium at the pump...or is it??
  214. Heating Up
  215. 0-60
  216. More performance
  217. cooling fan problem
  218. 1995 seville pcm problem HELP
  219. Valve Train Question
  220. I keep getting P0404 and P0441? Looking for suggestions...
  221. wiring oil pressure sensor
  222. I keep getting P0404 and P0441
  223. Cooling Fans
  224. Some N* questions
  225. Check Engine Oil Level
  226. This N* is living a good life...
  227. Read TECH TIPS FPR - More Info needed
  228. Intakes
  229. 93 sts running rough only when hot
  230. What does "B2118 - Front Vertical Sensor Failed" mean?
  231. Anti-Sieze and Spark Plugs
  232. Intake Manifold questions - chime in!
  233. thermostat for north star
  234. Preparing for coolant change / Double Checking.
  235. 95 Intake Manifold Interchange?
  236. p0741 trouble code
  237. 1996 4.6 L. Rebuild, what should be replaced.
  238. Replacement parts after reman engine
  239. hardest water pump to install
  240. Sticky-Noisy Valve Lifters, What to Do?
  241. ISC Adjustment Procedure for OBD1 How To
  242. Need Part Number 94 N* INTAKE MANIFOLD
  243. My mechanic wants to put in a new radiator, should I let him?
  244. 94 caddy coolant leak
  245. Crossover measurement
  246. northstar in a fiero
  247. Oil Additive Question
  248. Overheating and low oil pressure
  249. How about no muffler??
  250. Engine rough running misses no power 95 Eldorado 4.6