: Northstar Engines and System Technical Discussion



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