: Northstar Engines and System Technical Discussion



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  1. Suspension Stability
  2. will '94 fuel injectors work in a '96?
  3. I miss the Bliss
  4. So much for your "bullet-proof" Northstar engines...
  5. 2000 sts read
  6. 97 deville overheated!!!
  7. What are these parts on my 95 Eldo?
  8. Sealing a radiator leak
  9. PCM P 0410 Secondary Air Injection System Malfunction
  10. Northstars in '95
  11. Reduced new engine power during breakin period?
  12. Boring out the N*?
  13. N* Ifr
  14. tuning software
  15. Pcm 0174
  16. Odc Ii
  17. ***New ROSS Pistons for a N* (WIth Ceramic Coating) $750***
  18. Alternator Replaced, Now Belt Squeaks, How to Fix?
  19. XLR's N* VVT rumble on startup and engine light.
  20. Quick question about a noise
  21. Help 06dts Mpg
  22. Zddp
  23. How deep do you go into motors and repairs
  24. Crank Position Sensor
  25. 94 STS cracked block
  26. Dex-cool?
  27. Performance chips
  28. It's Me again!
  29. CODES-I'm New-Check Engine light
  30. 96 SLS Head Gasket
  31. Serious help needed with 1995 northstar
  32. Cover up UGLY valve cover 95-99
  33. Who has the best warranty
  34. Annoying Tranny Whine
  35. Car just dies. Please help!
  36. service engine soon light
  37. 1993 STS running rough P053 Code
  38. 2000 Eldorado ETC Misfire #2
  39. Revisiting Airflow = Torque
  40. missed a time sert kit
  41. Newbie here and tryin to find my CKP
  42. Temperature Concerns
  43. Northstar- Starting, Running Problems
  44. 94 Seville intermittent hard start
  45. Engine miss
  46. sticker shock
  47. 9 codes today, i reckon a bad earth?
  48. oil change
  49. 70MPH pull.....
  50. reuse pistion rings?
  51. Engine Stall
  52. Contents of GM Top End Cleaner?
  53. OBDII Codes
  54. Iridium Spark plugs
  55. Oil Change
  56. Bar's Leaks J-120
  57. MAF Sensor
  58. cracked block pics
  59. possible Northstar PCM Programmer
  60. Export code
  61. Strange hole under ignition module
  62. Balls to the wall - N* style
  63. Timesert kit for sale
  64. Bank 2 identification
  65. Source of whining noise
  66. So many questions, so little time
  67. need help with p036 and p094
  68. Odin8 are you out there ?
  69. will '94 concours fuel injectors fit '96 sts?
  70. 1BadCaddy 94' STS update on power tune up.
  71. 4T80E Troubles?
  72. Coolant leak under throttle body area?
  73. After Shift Sol. Replacement...
  74. Safe amount of boos for stock motor?
  75. Found the reason why my car "jerks" during acceleration
  76. Head torque
  77. Ground Cable Location?
  78. Northstar leaking coolant....big time!
  79. Setting the timing gears and belts on 96 n* 4.6
  80. Help on hesitant start...
  81. New to forum, getting a caddy, some advice needed...
  82. Head gasket = overheat while driving or idling?
  83. Mini N*
  84. Tranny Prob, sheared pump shaft
  85. Twin Turbo N* powered 1948 Tucker
  86. cracked block
  87. Legit "Performance chip"?
  88. Missing Hose On Vacuum Purge Switch?
  89. N* water pump froze in housing
  90. coolant leak 00 sts
  91. 1990 Eldorado won't Start !
  92. started my headgasket job today
  93. is this normal or could this be my problem
  94. Anyone ever see this thing
  95. Sludge in my engine?
  96. WOT's northstar knock?
  97. STS Coolant Burping Air out of Coolant Question
  98. Oil leak
  99. N* rebuild....hmmm what to add to my mod list
  100. Keys to long lasting N*'s
  101. Complete engine overhaul, need help ASAP
  102. Cadillac Eldorado 1995 ER HELP NEEDED!!!
  103. Huge Problem, No Shop Can Fix!!!! Help!!!
  104. 04 STS misfires when idles, goes away when you floor it.
  105. northstar research thread pics 56k beware
  106. Exhaust size
  107. Plugs And Wires
  108. Which kind of FPR?
  109. 93 Seville?
  110. 96-99 motor wiring diagrams
  111. 91 Eldo STILL misses
  112. Torque vs Horsepower primer
  113. Crankshaft Position Sensor Replaced-Code Still Set P0385
  114. Water pump question on 94 STS
  115. Is it possible to lose HP
  116. Performance tune-up for 94 North*using performance coils.
  117. 97 N* Shaky idle
  118. 97 N8 port, polish and valve job
  119. Differance between 94 and 97 N*
  120. Question about the transmission fluid
  121. Northstar Misfire... no error codes
  122. More Horsepower
  123. Volant Review / So I did it without instructions.
  124. Tranny Prob, Please help!!
  125. High oil consumption (1 quart/week!!)
  126. A/C question/help for 94 STS
  127. Magnets Increase Mileage/Power??
  128. TC0047 Code
  129. Need some help installing Volant
  130. Add Engine Oil alert
  131. P1860... Problem
  132. loss of fuel pressure
  133. O2 sensor change, mpg improvement?
  134. Northstar heads(all) and ECU Chip(93-95). Real power!
  135. 97 deville-changing plugs and wires
  136. NS300L Insert kit
  137. Head gasket set
  138. Coolant Change?
  139. P0441... P0404... ?
  140. P0533... fuel gauge is going nuts
  141. Trans Solenoids??
  142. Timesert VS NS300L Insert System
  143. How much runout is okay?
  144. 95 concours stalling
  145. Looking for Timesert Kit
  146. '94 SLS oil pan / oil manifold / half case leaks
  147. Metal pipe coolant leak...'custom' fix???
  148. Engine apart, which direction does it crank?
  149. 94 Northstar with broken valve.
  150. Oil pressure emergency
  151. hesitation
  152. Timeserts
  153. '99 or '00 ETC?
  154. Fuel pump locking ring
  155. What else do I need to know after unhooking PCM
  156. coolant change
  157. Volant Install
  158. Rebuilt Northstars
  159. Found Rotella 10W-30 at O'Reilly auto parts
  160. PSA: Need sensors?
  161. 1999 Deville front suspension rattle
  162. 1996 Deville 4.6L Water Pump Replacement
  163. N* drive train weight
  164. felpro headgaskets
  165. N* 4.0 liter removal
  166. Smoke at startup?
  167. Whining Power Steering Pump
  168. Questions about servicing my 99 Deville
  169. Where 2 buy main and rod berings for 2004 N*
  170. Lady In Distress - '01 Northstar Intermittent Stalling & Not Starting - Clues Please?
  171. Anyone have HG pics? Not overheating but probs...
  172. Nitrous A/F findings & questions.
  173. 2 N* Questions - Coolent and Tranny Dipstick?
  174. 96 STS Head Gasket Story...
  175. cool Northstar info.
  176. Engine removal
  177. 96 Deville 4.6 North* overheating problem
  178. Hot Hot Hot Is Gone - Finally
  179. A couple Nasty Problems! HELP!
  180. How to change fuel injectors?
  181. Tips for replacing Crankshaft Position Sensors
  182. Oil pan gasket leak!
  183. Oil leak?
  184. left blinker not working when headlights on
  185. Lag in the transmission
  186. p1441 evap code help
  187. P043 -- headache -- what is happening???
  188. New here
  189. Differences in 275 & 300 HP Nstar
  190. Electric Turbo
  191. PCM swap???
  192. Northstar Blocks Cracking ?
  193. what is wrong w/ my n*
  194. Oxygen Sensors Grounding
  195. 94 Seville-Turn signals not working, smoking?
  196. trouble starting after timesert job - HELP!
  197. How do you Northstar owners like your Northstars? Would you recommend them?
  198. Northstar performance Upgrades!!!
  199. Northstar Engine Block STEEL CYL INSERTS
  200. a lil help please
  201. How do I tell if my headgasket was repaired?
  202. keep losing coolant...hard to trace
  203. '94 STS is overheating
  204. '94 SLS Idling to fast
  205. 01 Eldo - 100shot Nitrous - track results
  206. RSM Racing / No more?
  207. 2000 STS Error Codes
  208. quick engine question
  209. A few questions about the 4.0 Northstar
  210. So what would happen...
  211. engine oil leaking
  212. Oil change today after 12,735 since last oil change
  213. Help with Check engine light and pcm codes!!
  214. Is this realistic ?
  215. which car to buy
  216. fuel injector fell out!?!?
  217. exhaust sizes and upgrades?
  218. exhuast sizes an performance
  219. 1996 Deville with a small head gasket leak.
  220. Water Pump pulley
  221. Anyone have a timesert bit they could measure for me?
  222. No Spark On Hot Restart
  223. Northstar parts
  224. question on swaping out 96 northstar
  225. Engine additives...safe for N*?
  226. Transmission Problem
  227. Finally Been Done Cadillac Obd-2 N* Pcm Programmer!!!
  228. Need help one more time!!!!!
  229. hot start when cold
  230. Headgaskets - deterioration or pulled head studs?
  231. Oil Coverd Spark Plugs on Northstar
  232. 1995 new starter $1000 plus?...
  233. AC Compressor
  234. How to calculate HP to weight ratio?
  235. 300 hp northstar in a deville
  236. Belt problem
  237. motor oil?
  238. 94 DeVille..I cant get my drive belt back on. Help!!
  239. not rough idle, just abnormal, help?!
  240. help identifying parts and removing wire harness
  241. Starter Grind on 94 STS
  242. P132 (E132) ......................................... Knock Sensor Circuitry Failure
  243. Oil Pan Removal??? What am I missing
  244. N* water pump?
  245. What Year NSs Fit a '99 Deville? Need Help
  246. Well...how about ram air?
  247. Congratulations to Ranger...10000 posts
  248. Does The Tornado Really work? And Cold air intake!!!
  249. Was H. Gasket Prob Fixed in Later NStars?
  250. 2000 NS Oil Leak