: Northstar Engines and System Technical Discussion



Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 [19] 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34

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