: 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. Found the reason why my car "jerks" during acceleration
  2. Head torque
  3. Ground Cable Location?
  4. Northstar leaking coolant....big time!
  5. Setting the timing gears and belts on 96 n* 4.6
  6. Help on hesitant start...
  7. New to forum, getting a caddy, some advice needed...
  8. Head gasket = overheat while driving or idling?
  9. Mini N*
  10. Tranny Prob, sheared pump shaft
  11. Twin Turbo N* powered 1948 Tucker
  12. cracked block
  13. Legit "Performance chip"?
  14. Missing Hose On Vacuum Purge Switch?
  15. N* water pump froze in housing
  16. coolant leak 00 sts
  17. 1990 Eldorado won't Start !
  18. started my headgasket job today
  19. is this normal or could this be my problem
  20. Anyone ever see this thing
  21. Sludge in my engine?
  22. WOT's northstar knock?
  23. STS Coolant Burping Air out of Coolant Question
  24. Oil leak
  25. N* rebuild....hmmm what to add to my mod list
  26. Keys to long lasting N*'s
  27. Complete engine overhaul, need help ASAP
  28. Cadillac Eldorado 1995 ER HELP NEEDED!!!
  29. Huge Problem, No Shop Can Fix!!!! Help!!!
  30. 04 STS misfires when idles, goes away when you floor it.
  31. northstar research thread pics 56k beware
  32. Exhaust size
  33. Plugs And Wires
  34. Which kind of FPR?
  35. 93 Seville?
  36. 96-99 motor wiring diagrams
  37. 91 Eldo STILL misses
  38. Torque vs Horsepower primer
  39. Crankshaft Position Sensor Replaced-Code Still Set P0385
  40. Water pump question on 94 STS
  41. Is it possible to lose HP
  42. Performance tune-up for 94 North*using performance coils.
  43. 97 N* Shaky idle
  44. 97 N8 port, polish and valve job
  45. Differance between 94 and 97 N*
  46. Question about the transmission fluid
  47. Northstar Misfire... no error codes
  48. More Horsepower
  49. Volant Review / So I did it without instructions.
  50. Tranny Prob, Please help!!
  51. High oil consumption (1 quart/week!!)
  52. A/C question/help for 94 STS
  53. Magnets Increase Mileage/Power??
  54. TC0047 Code
  55. Need some help installing Volant
  56. Add Engine Oil alert
  57. P1860... Problem
  58. loss of fuel pressure
  59. O2 sensor change, mpg improvement?
  60. Northstar heads(all) and ECU Chip(93-95). Real power!
  61. 97 deville-changing plugs and wires
  62. NS300L Insert kit
  63. Head gasket set
  64. Coolant Change?
  65. P0441... P0404... ?
  66. P0533... fuel gauge is going nuts
  67. Trans Solenoids??
  68. Timesert VS NS300L Insert System
  69. How much runout is okay?
  70. 95 concours stalling
  71. Looking for Timesert Kit
  72. '94 SLS oil pan / oil manifold / half case leaks
  73. Metal pipe coolant leak...'custom' fix???
  74. Engine apart, which direction does it crank?
  75. 94 Northstar with broken valve.
  76. Oil pressure emergency
  77. hesitation
  78. Timeserts
  79. '99 or '00 ETC?
  80. Fuel pump locking ring
  81. What else do I need to know after unhooking PCM
  82. coolant change
  83. Volant Install
  84. Rebuilt Northstars
  85. Found Rotella 10W-30 at O'Reilly auto parts
  86. PSA: Need sensors?
  87. 1999 Deville front suspension rattle
  88. 1996 Deville 4.6L Water Pump Replacement
  89. N* drive train weight
  90. felpro headgaskets
  91. N* 4.0 liter removal
  92. Smoke at startup?
  93. Whining Power Steering Pump
  94. Questions about servicing my 99 Deville
  95. Where 2 buy main and rod berings for 2004 N*
  96. Lady In Distress - '01 Northstar Intermittent Stalling & Not Starting - Clues Please?
  97. Anyone have HG pics? Not overheating but probs...
  98. Nitrous A/F findings & questions.
  99. 2 N* Questions - Coolent and Tranny Dipstick?
  100. 96 STS Head Gasket Story...
  101. cool Northstar info.
  102. Engine removal
  103. 96 Deville 4.6 North* overheating problem
  104. Hot Hot Hot Is Gone - Finally
  105. A couple Nasty Problems! HELP!
  106. How to change fuel injectors?
  107. Tips for replacing Crankshaft Position Sensors
  108. Oil pan gasket leak!
  109. Oil leak?
  110. left blinker not working when headlights on
  111. Lag in the transmission
  112. p1441 evap code help
  113. P043 -- headache -- what is happening???
  114. New here
  115. Differences in 275 & 300 HP Nstar
  116. Electric Turbo
  117. PCM swap???
  118. Northstar Blocks Cracking ?
  119. what is wrong w/ my n*
  120. Oxygen Sensors Grounding
  121. 94 Seville-Turn signals not working, smoking?
  122. trouble starting after timesert job - HELP!
  123. How do you Northstar owners like your Northstars? Would you recommend them?
  124. Northstar performance Upgrades!!!
  125. Northstar Engine Block STEEL CYL INSERTS
  126. a lil help please
  127. How do I tell if my headgasket was repaired?
  128. keep losing coolant...hard to trace
  129. '94 STS is overheating
  130. '94 SLS Idling to fast
  131. 01 Eldo - 100shot Nitrous - track results
  132. RSM Racing / No more?
  133. 2000 STS Error Codes
  134. quick engine question
  135. A few questions about the 4.0 Northstar
  136. So what would happen...
  137. engine oil leaking
  138. Oil change today after 12,735 since last oil change
  139. Help with Check engine light and pcm codes!!
  140. Is this realistic ?
  141. which car to buy
  142. fuel injector fell out!?!?
  143. exhaust sizes and upgrades?
  144. exhuast sizes an performance
  145. 1996 Deville with a small head gasket leak.
  146. Water Pump pulley
  147. Anyone have a timesert bit they could measure for me?
  148. No Spark On Hot Restart
  149. Northstar parts
  150. question on swaping out 96 northstar
  151. Engine additives...safe for N*?
  152. Transmission Problem
  153. Finally Been Done Cadillac Obd-2 N* Pcm Programmer!!!
  154. Need help one more time!!!!!
  155. hot start when cold
  156. Headgaskets - deterioration or pulled head studs?
  157. Oil Coverd Spark Plugs on Northstar
  158. 1995 new starter $1000 plus?...
  159. AC Compressor
  160. How to calculate HP to weight ratio?
  161. 300 hp northstar in a deville
  162. Belt problem
  163. motor oil?
  164. 94 DeVille..I cant get my drive belt back on. Help!!
  165. not rough idle, just abnormal, help?!
  166. help identifying parts and removing wire harness
  167. Starter Grind on 94 STS
  168. P132 (E132) ......................................... Knock Sensor Circuitry Failure
  169. Oil Pan Removal??? What am I missing
  170. N* water pump?
  171. What Year NSs Fit a '99 Deville? Need Help
  172. Well...how about ram air?
  173. Congratulations to Ranger...10000 posts
  174. Does The Tornado Really work? And Cold air intake!!!
  175. Was H. Gasket Prob Fixed in Later NStars?
  176. 2000 NS Oil Leak
  177. 94 ETC intermittent/low RPM miss
  178. Catalytic Converter Question -
  179. runaway eng Speed -Glowing exhaust -4.6L N*
  180. GM replacement surge tank cap
  181. Help installing camshafts
  182. Sound like the injectors?
  183. 94 eldo tc engine knocking (i think)
  184. Engine Roaring and Popping from dead stop
  185. 03 STS rough IDLE P0300 & U1016 Code
  186. So I went on the highway in 2nd gear...
  187. Water pump belt?
  188. Low/No Oil Pressure
  189. Leaking oil, Not leaking oil
  190. Where Is The Ecu/pcm Located.
  191. Cylinder pressure test for blown head gasket??
  192. coolant pipes - replace or repair?
  193. few head gasket procedure questions
  194. MAP Sensor Problems. Need A Little Guidance.
  195. So Mixing Different Weight Oils is OK?
  196. Fan fuse
  197. Northstar Engine Swap. Has any1 Done it?
  198. Has anyone experience there car cutting off when the fuel is low but will restart?
  199. 99 STS Turbo Update
  200. Northstar cooling system question
  201. Hot Hot Hot !!!!
  202. How exactly do Oil Life Monitors work?
  203. crankshalf sensors
  204. S060 and P039
  205. DENSO or AC Delco Spark Plugs for a Northstar?
  206. normal running temp for a northstar?
  207. Water Pump replacement on a 96 deville
  208. Gonna Have to LIve with the Lifter Tick
  209. Codes
  210. 98 sts overheating problems
  211. corsa exhaust sound clip
  212. My northstar went south
  213. Crankshaft Position Sensor dead again??!?! Symptoms?
  214. 93-95 performance parts!
  215. 2003 FWD Deville engine dying
  216. Damaged boot between intake & tb... need advice
  217. red line
  218. new o2 sensor still p030 when idle
  219. turn signal problem ('94 STS)
  220. warped heads common?
  221. radiator or head gasket????????
  222. thermostat options
  223. Bad ( burning? ) Smell
  224. ISC replacement
  225. 98 deville spark plugs
  226. Oil Level Sensor
  227. Dropping cradle today, need a bit of guidance
  228. Maff screen remove? power gains?
  229. Runnin without o2 fuses in
  230. Thoughts on G-Tech Pro
  231. PCM Programming for N*?
  232. Decreased Performance ???
  233. anyone use non-"time" serts
  234. Fuel Rail Question...
  235. portability of engine, tranny, etc
  236. Harder than heck to start my
  237. Z-rated 93/94 Seville/Eldo PCM for sale-Ebay
  238. Northstar ETC dynoed
  239. Northstar in an Allante vs an STS?
  240. Long Block Replacement
  241. Leaking Fuel Rail
  242. turning off traction control on '95 sts
  243. New Towing Hitch
  244. Overheating problem just started.
  245. Normal Oil Consumption ???
  246. 112mph???
  247. 93 N* coolant temp sensor
  248. Finally Found PCM Programmer for 96-04 N* OBD-2!!!
  249. Voltage question
  250. Oil Question?????