: Northstar Engines and System Technical Discussion



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  1. Magnets Increase Mileage/Power??
  2. TC0047 Code
  3. Need some help installing Volant
  4. Add Engine Oil alert
  5. P1860... Problem
  6. loss of fuel pressure
  7. O2 sensor change, mpg improvement?
  8. Northstar heads(all) and ECU Chip(93-95). Real power!
  9. 97 deville-changing plugs and wires
  10. NS300L Insert kit
  11. Head gasket set
  12. Coolant Change?
  13. P0441... P0404... ?
  14. P0533... fuel gauge is going nuts
  15. Trans Solenoids??
  16. Timesert VS NS300L Insert System
  17. How much runout is okay?
  18. 95 concours stalling
  19. Looking for Timesert Kit
  20. '94 SLS oil pan / oil manifold / half case leaks
  21. Metal pipe coolant leak...'custom' fix???
  22. Engine apart, which direction does it crank?
  23. 94 Northstar with broken valve.
  24. Oil pressure emergency
  25. hesitation
  26. Timeserts
  27. '99 or '00 ETC?
  28. Fuel pump locking ring
  29. What else do I need to know after unhooking PCM
  30. coolant change
  31. Volant Install
  32. Rebuilt Northstars
  33. Found Rotella 10W-30 at O'Reilly auto parts
  34. PSA: Need sensors?
  35. 1999 Deville front suspension rattle
  36. 1996 Deville 4.6L Water Pump Replacement
  37. N* drive train weight
  38. felpro headgaskets
  39. N* 4.0 liter removal
  40. Smoke at startup?
  41. Whining Power Steering Pump
  42. Questions about servicing my 99 Deville
  43. Where 2 buy main and rod berings for 2004 N*
  44. Lady In Distress - '01 Northstar Intermittent Stalling & Not Starting - Clues Please?
  45. Anyone have HG pics? Not overheating but probs...
  46. Nitrous A/F findings & questions.
  47. 2 N* Questions - Coolent and Tranny Dipstick?
  48. 96 STS Head Gasket Story...
  49. cool Northstar info.
  50. Engine removal
  51. 96 Deville 4.6 North* overheating problem
  52. Hot Hot Hot Is Gone - Finally
  53. A couple Nasty Problems! HELP!
  54. How to change fuel injectors?
  55. Tips for replacing Crankshaft Position Sensors
  56. Oil pan gasket leak!
  57. Oil leak?
  58. left blinker not working when headlights on
  59. Lag in the transmission
  60. p1441 evap code help
  61. P043 -- headache -- what is happening???
  62. New here
  63. Differences in 275 & 300 HP Nstar
  64. Electric Turbo
  65. PCM swap???
  66. Northstar Blocks Cracking ?
  67. what is wrong w/ my n*
  68. Oxygen Sensors Grounding
  69. 94 Seville-Turn signals not working, smoking?
  70. trouble starting after timesert job - HELP!
  71. How do you Northstar owners like your Northstars? Would you recommend them?
  72. Northstar performance Upgrades!!!
  73. Northstar Engine Block STEEL CYL INSERTS
  74. a lil help please
  75. How do I tell if my headgasket was repaired?
  76. keep losing coolant...hard to trace
  77. '94 STS is overheating
  78. '94 SLS Idling to fast
  79. 01 Eldo - 100shot Nitrous - track results
  80. RSM Racing / No more?
  81. 2000 STS Error Codes
  82. quick engine question
  83. A few questions about the 4.0 Northstar
  84. So what would happen...
  85. engine oil leaking
  86. Oil change today after 12,735 since last oil change
  87. Help with Check engine light and pcm codes!!
  88. Is this realistic ?
  89. which car to buy
  90. fuel injector fell out!?!?
  91. exhaust sizes and upgrades?
  92. exhuast sizes an performance
  93. 1996 Deville with a small head gasket leak.
  94. Water Pump pulley
  95. Anyone have a timesert bit they could measure for me?
  96. No Spark On Hot Restart
  97. Northstar parts
  98. question on swaping out 96 northstar
  99. Engine additives...safe for N*?
  100. Transmission Problem
  101. Finally Been Done Cadillac Obd-2 N* Pcm Programmer!!!
  102. Need help one more time!!!!!
  103. hot start when cold
  104. Headgaskets - deterioration or pulled head studs?
  105. Oil Coverd Spark Plugs on Northstar
  106. 1995 new starter $1000 plus?...
  107. AC Compressor
  108. How to calculate HP to weight ratio?
  109. 300 hp northstar in a deville
  110. Belt problem
  111. motor oil?
  112. 94 DeVille..I cant get my drive belt back on. Help!!
  113. not rough idle, just abnormal, help?!
  114. help identifying parts and removing wire harness
  115. Starter Grind on 94 STS
  116. P132 (E132) ......................................... Knock Sensor Circuitry Failure
  117. Oil Pan Removal??? What am I missing
  118. N* water pump?
  119. What Year NSs Fit a '99 Deville? Need Help
  120. Well...how about ram air?
  121. Congratulations to Ranger...10000 posts
  122. Does The Tornado Really work? And Cold air intake!!!
  123. Was H. Gasket Prob Fixed in Later NStars?
  124. 2000 NS Oil Leak
  125. 94 ETC intermittent/low RPM miss
  126. Catalytic Converter Question -
  127. runaway eng Speed -Glowing exhaust -4.6L N*
  128. GM replacement surge tank cap
  129. Help installing camshafts
  130. Sound like the injectors?
  131. 94 eldo tc engine knocking (i think)
  132. Engine Roaring and Popping from dead stop
  133. 03 STS rough IDLE P0300 & U1016 Code
  134. So I went on the highway in 2nd gear...
  135. Water pump belt?
  136. Low/No Oil Pressure
  137. Leaking oil, Not leaking oil
  138. Where Is The Ecu/pcm Located.
  139. Cylinder pressure test for blown head gasket??
  140. coolant pipes - replace or repair?
  141. few head gasket procedure questions
  142. MAP Sensor Problems. Need A Little Guidance.
  143. So Mixing Different Weight Oils is OK?
  144. Fan fuse
  145. Northstar Engine Swap. Has any1 Done it?
  146. Has anyone experience there car cutting off when the fuel is low but will restart?
  147. 99 STS Turbo Update
  148. Northstar cooling system question
  149. Hot Hot Hot !!!!
  150. How exactly do Oil Life Monitors work?
  151. crankshalf sensors
  152. S060 and P039
  153. DENSO or AC Delco Spark Plugs for a Northstar?
  154. normal running temp for a northstar?
  155. Water Pump replacement on a 96 deville
  156. Gonna Have to LIve with the Lifter Tick
  157. Codes
  158. 98 sts overheating problems
  159. corsa exhaust sound clip
  160. My northstar went south
  161. Crankshaft Position Sensor dead again??!?! Symptoms?
  162. 93-95 performance parts!
  163. 2003 FWD Deville engine dying
  164. Damaged boot between intake & tb... need advice
  165. red line
  166. new o2 sensor still p030 when idle
  167. turn signal problem ('94 STS)
  168. warped heads common?
  169. radiator or head gasket????????
  170. thermostat options
  171. Bad ( burning? ) Smell
  172. ISC replacement
  173. 98 deville spark plugs
  174. Oil Level Sensor
  175. Dropping cradle today, need a bit of guidance
  176. Maff screen remove? power gains?
  177. Runnin without o2 fuses in
  178. Thoughts on G-Tech Pro
  179. PCM Programming for N*?
  180. Decreased Performance ???
  181. anyone use non-"time" serts
  182. Fuel Rail Question...
  183. portability of engine, tranny, etc
  184. Harder than heck to start my
  185. Z-rated 93/94 Seville/Eldo PCM for sale-Ebay
  186. Northstar ETC dynoed
  187. Northstar in an Allante vs an STS?
  188. Long Block Replacement
  189. Leaking Fuel Rail
  190. turning off traction control on '95 sts
  191. New Towing Hitch
  192. Overheating problem just started.
  193. Normal Oil Consumption ???
  194. 112mph???
  195. 93 N* coolant temp sensor
  196. Finally Found PCM Programmer for 96-04 N* OBD-2!!!
  197. Voltage question
  198. Oil Question?????
  199. 97' Cadillac Deville Overheating
  200. ticking throttle
  201. Best Head Gasket Sealer
  202. '94 SLS Crankshaft pully
  203. 99 seville sls
  204. 1/4 mile
  205. radiator fan not spinning
  206. Noisy Lifters
  207. Sticky lifter Update
  208. Expensive Air Filters Worth it???
  209. Coolant system question
  210. hard start when hot, not FPR
  211. An Intresting scan tool
  212. pre 99 N* water pump belt tensioner.
  213. Hard Start/ Fuel Odor
  214. Belt Pulley
  215. coolant flow question
  216. Reading data from OBD II
  217. Inaccurate Battery Voltage Display??
  218. Detonation and Pre-ignition
  219. 94 STS needs help
  220. lifting a northstar
  221. Bosch +2 plugs (report)
  222. OSD says "Change Trans Fluid"
  223. premium at the pump...or is it??
  224. Heating Up
  225. 0-60
  226. More performance
  227. cooling fan problem
  228. 1995 seville pcm problem HELP
  229. Valve Train Question
  230. I keep getting P0404 and P0441? Looking for suggestions...
  231. wiring oil pressure sensor
  232. I keep getting P0404 and P0441
  233. Cooling Fans
  234. Some N* questions
  235. Check Engine Oil Level
  236. This N* is living a good life...
  237. Read TECH TIPS FPR - More Info needed
  238. Intakes
  239. 93 sts running rough only when hot
  240. What does "B2118 - Front Vertical Sensor Failed" mean?
  241. Anti-Sieze and Spark Plugs
  242. Intake Manifold questions - chime in!
  243. thermostat for north star
  244. Preparing for coolant change / Double Checking.
  245. 95 Intake Manifold Interchange?
  246. p0741 trouble code
  247. 1996 4.6 L. Rebuild, what should be replaced.
  248. Replacement parts after reman engine
  249. hardest water pump to install
  250. Sticky-Noisy Valve Lifters, What to Do?