: Northstar Engines and System Technical Discussion



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  1. 02 Deville Sudden Stall
  2. light knocking... does not go away....
  3. 99 SLS runs funny
  4. Northstar 4.6 - coolant comes out rear exhaust manifold bolt hole
  5. AMSOIL in 96 STS with 88K
  6. Havoline?
  7. Replacement Air Filter
  8. Oil, Gasoline, N*'s, and long trips
  9. 96 SLS knock
  10. Crank sensor replacement
  11. Synthetic Blend?
  12. 93 STS N* P132 (E132) ... Knock Sensor Circuitry Failure
  13. Best Exhaust Upgrade for a 96 STS.
  14. N* Forged pistons
  15. N* crankshafts
  16. 96 STS overheating
  17. Looking for a core N*/Aurora V8 crank,,,
  18. Having a problem with 94 STS
  19. I Think I found my leak (Burning Oil Smell Cont.)
  20. Suspension Stability
  21. will '94 fuel injectors work in a '96?
  22. I miss the Bliss
  23. So much for your "bullet-proof" Northstar engines...
  24. 2000 sts read
  25. 97 deville overheated!!!
  26. What are these parts on my 95 Eldo?
  27. Sealing a radiator leak
  28. PCM P 0410 Secondary Air Injection System Malfunction
  29. Northstars in '95
  30. Reduced new engine power during breakin period?
  31. Boring out the N*?
  32. N* Ifr
  33. tuning software
  34. Pcm 0174
  35. Odc Ii
  36. ***New ROSS Pistons for a N* (WIth Ceramic Coating) $750***
  37. Alternator Replaced, Now Belt Squeaks, How to Fix?
  38. XLR's N* VVT rumble on startup and engine light.
  39. Quick question about a noise
  40. Help 06dts Mpg
  41. Zddp
  42. How deep do you go into motors and repairs
  43. Crank Position Sensor
  44. 94 STS cracked block
  45. Dex-cool?
  46. Performance chips
  47. It's Me again!
  48. CODES-I'm New-Check Engine light
  49. 96 SLS Head Gasket
  50. Serious help needed with 1995 northstar
  51. Cover up UGLY valve cover 95-99
  52. Who has the best warranty
  53. Annoying Tranny Whine
  54. Car just dies. Please help!
  55. service engine soon light
  56. 1993 STS running rough P053 Code
  57. 2000 Eldorado ETC Misfire #2
  58. Revisiting Airflow = Torque
  59. missed a time sert kit
  60. Newbie here and tryin to find my CKP
  61. Temperature Concerns
  62. Northstar- Starting, Running Problems
  63. 94 Seville intermittent hard start
  64. Engine miss
  65. sticker shock
  66. 9 codes today, i reckon a bad earth?
  67. oil change
  68. 70MPH pull.....
  69. reuse pistion rings?
  70. Engine Stall
  71. Contents of GM Top End Cleaner?
  72. OBDII Codes
  73. Iridium Spark plugs
  74. Oil Change
  75. Bar's Leaks J-120
  76. MAF Sensor
  77. cracked block pics
  78. possible Northstar PCM Programmer
  79. Export code
  80. Strange hole under ignition module
  81. Balls to the wall - N* style
  82. Timesert kit for sale
  83. Bank 2 identification
  84. Source of whining noise
  85. So many questions, so little time
  86. need help with p036 and p094
  87. Odin8 are you out there ?
  88. will '94 concours fuel injectors fit '96 sts?
  89. 1BadCaddy 94' STS update on power tune up.
  90. 4T80E Troubles?
  91. Coolant leak under throttle body area?
  92. After Shift Sol. Replacement...
  93. Safe amount of boos for stock motor?
  94. Found the reason why my car "jerks" during acceleration
  95. Head torque
  96. Ground Cable Location?
  97. Northstar leaking coolant....big time!
  98. Setting the timing gears and belts on 96 n* 4.6
  99. Help on hesitant start...
  100. New to forum, getting a caddy, some advice needed...
  101. Head gasket = overheat while driving or idling?
  102. Mini N*
  103. Tranny Prob, sheared pump shaft
  104. Twin Turbo N* powered 1948 Tucker
  105. cracked block
  106. Legit "Performance chip"?
  107. Missing Hose On Vacuum Purge Switch?
  108. N* water pump froze in housing
  109. coolant leak 00 sts
  110. 1990 Eldorado won't Start !
  111. started my headgasket job today
  112. is this normal or could this be my problem
  113. Anyone ever see this thing
  114. Sludge in my engine?
  115. WOT's northstar knock?
  116. STS Coolant Burping Air out of Coolant Question
  117. Oil leak
  118. N* rebuild....hmmm what to add to my mod list
  119. Keys to long lasting N*'s
  120. Complete engine overhaul, need help ASAP
  121. Cadillac Eldorado 1995 ER HELP NEEDED!!!
  122. Huge Problem, No Shop Can Fix!!!! Help!!!
  123. 04 STS misfires when idles, goes away when you floor it.
  124. northstar research thread pics 56k beware
  125. Exhaust size
  126. Plugs And Wires
  127. Which kind of FPR?
  128. 93 Seville?
  129. 96-99 motor wiring diagrams
  130. 91 Eldo STILL misses
  131. Torque vs Horsepower primer
  132. Crankshaft Position Sensor Replaced-Code Still Set P0385
  133. Water pump question on 94 STS
  134. Is it possible to lose HP
  135. Performance tune-up for 94 North*using performance coils.
  136. 97 N* Shaky idle
  137. 97 N8 port, polish and valve job
  138. Differance between 94 and 97 N*
  139. Question about the transmission fluid
  140. Northstar Misfire... no error codes
  141. More Horsepower
  142. Volant Review / So I did it without instructions.
  143. Tranny Prob, Please help!!
  144. High oil consumption (1 quart/week!!)
  145. A/C question/help for 94 STS
  146. Magnets Increase Mileage/Power??
  147. TC0047 Code
  148. Need some help installing Volant
  149. Add Engine Oil alert
  150. P1860... Problem
  151. loss of fuel pressure
  152. O2 sensor change, mpg improvement?
  153. Northstar heads(all) and ECU Chip(93-95). Real power!
  154. 97 deville-changing plugs and wires
  155. NS300L Insert kit
  156. Head gasket set
  157. Coolant Change?
  158. P0441... P0404... ?
  159. P0533... fuel gauge is going nuts
  160. Trans Solenoids??
  161. Timesert VS NS300L Insert System
  162. How much runout is okay?
  163. 95 concours stalling
  164. Looking for Timesert Kit
  165. '94 SLS oil pan / oil manifold / half case leaks
  166. Metal pipe coolant leak...'custom' fix???
  167. Engine apart, which direction does it crank?
  168. 94 Northstar with broken valve.
  169. Oil pressure emergency
  170. hesitation
  171. Timeserts
  172. '99 or '00 ETC?
  173. Fuel pump locking ring
  174. What else do I need to know after unhooking PCM
  175. coolant change
  176. Volant Install
  177. Rebuilt Northstars
  178. Found Rotella 10W-30 at O'Reilly auto parts
  179. PSA: Need sensors?
  180. 1999 Deville front suspension rattle
  181. 1996 Deville 4.6L Water Pump Replacement
  182. N* drive train weight
  183. felpro headgaskets
  184. N* 4.0 liter removal
  185. Smoke at startup?
  186. Whining Power Steering Pump
  187. Questions about servicing my 99 Deville
  188. Where 2 buy main and rod berings for 2004 N*
  189. Lady In Distress - '01 Northstar Intermittent Stalling & Not Starting - Clues Please?
  190. Anyone have HG pics? Not overheating but probs...
  191. Nitrous A/F findings & questions.
  192. 2 N* Questions - Coolent and Tranny Dipstick?
  193. 96 STS Head Gasket Story...
  194. cool Northstar info.
  195. Engine removal
  196. 96 Deville 4.6 North* overheating problem
  197. Hot Hot Hot Is Gone - Finally
  198. A couple Nasty Problems! HELP!
  199. How to change fuel injectors?
  200. Tips for replacing Crankshaft Position Sensors
  201. Oil pan gasket leak!
  202. Oil leak?
  203. left blinker not working when headlights on
  204. Lag in the transmission
  205. p1441 evap code help
  206. P043 -- headache -- what is happening???
  207. New here
  208. Differences in 275 & 300 HP Nstar
  209. Electric Turbo
  210. PCM swap???
  211. Northstar Blocks Cracking ?
  212. what is wrong w/ my n*
  213. Oxygen Sensors Grounding
  214. 94 Seville-Turn signals not working, smoking?
  215. trouble starting after timesert job - HELP!
  216. How do you Northstar owners like your Northstars? Would you recommend them?
  217. Northstar performance Upgrades!!!
  218. Northstar Engine Block STEEL CYL INSERTS
  219. a lil help please
  220. How do I tell if my headgasket was repaired?
  221. keep losing coolant...hard to trace
  222. '94 STS is overheating
  223. '94 SLS Idling to fast
  224. 01 Eldo - 100shot Nitrous - track results
  225. RSM Racing / No more?
  226. 2000 STS Error Codes
  227. quick engine question
  228. A few questions about the 4.0 Northstar
  229. So what would happen...
  230. engine oil leaking
  231. Oil change today after 12,735 since last oil change
  232. Help with Check engine light and pcm codes!!
  233. Is this realistic ?
  234. which car to buy
  235. fuel injector fell out!?!?
  236. exhaust sizes and upgrades?
  237. exhuast sizes an performance
  238. 1996 Deville with a small head gasket leak.
  239. Water Pump pulley
  240. Anyone have a timesert bit they could measure for me?
  241. No Spark On Hot Restart
  242. Northstar parts
  243. question on swaping out 96 northstar
  244. Engine additives...safe for N*?
  245. Transmission Problem
  246. Finally Been Done Cadillac Obd-2 N* Pcm Programmer!!!
  247. Need help one more time!!!!!
  248. hot start when cold
  249. Headgaskets - deterioration or pulled head studs?
  250. Oil Coverd Spark Plugs on Northstar