: 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

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