: Northstar Engines and System Technical Discussion



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  1. Odc Ii
  2. ***New ROSS Pistons for a N* (WIth Ceramic Coating) $750***
  3. Alternator Replaced, Now Belt Squeaks, How to Fix?
  4. XLR's N* VVT rumble on startup and engine light.
  5. Quick question about a noise
  6. Help 06dts Mpg
  7. Zddp
  8. How deep do you go into motors and repairs
  9. Crank Position Sensor
  10. 94 STS cracked block
  11. Dex-cool?
  12. Performance chips
  13. It's Me again!
  14. CODES-I'm New-Check Engine light
  15. 96 SLS Head Gasket
  16. Serious help needed with 1995 northstar
  17. Cover up UGLY valve cover 95-99
  18. Who has the best warranty
  19. Annoying Tranny Whine
  20. Car just dies. Please help!
  21. service engine soon light
  22. 1993 STS running rough P053 Code
  23. 2000 Eldorado ETC Misfire #2
  24. Revisiting Airflow = Torque
  25. missed a time sert kit
  26. Newbie here and tryin to find my CKP
  27. Temperature Concerns
  28. Northstar- Starting, Running Problems
  29. 94 Seville intermittent hard start
  30. Engine miss
  31. sticker shock
  32. 9 codes today, i reckon a bad earth?
  33. oil change
  34. 70MPH pull.....
  35. reuse pistion rings?
  36. Engine Stall
  37. Contents of GM Top End Cleaner?
  38. OBDII Codes
  39. Iridium Spark plugs
  40. Oil Change
  41. Bar's Leaks J-120
  42. MAF Sensor
  43. cracked block pics
  44. possible Northstar PCM Programmer
  45. Export code
  46. Strange hole under ignition module
  47. Balls to the wall - N* style
  48. Timesert kit for sale
  49. Bank 2 identification
  50. Source of whining noise
  51. So many questions, so little time
  52. need help with p036 and p094
  53. Odin8 are you out there ?
  54. will '94 concours fuel injectors fit '96 sts?
  55. 1BadCaddy 94' STS update on power tune up.
  56. 4T80E Troubles?
  57. Coolant leak under throttle body area?
  58. After Shift Sol. Replacement...
  59. Safe amount of boos for stock motor?
  60. Found the reason why my car "jerks" during acceleration
  61. Head torque
  62. Ground Cable Location?
  63. Northstar leaking coolant....big time!
  64. Setting the timing gears and belts on 96 n* 4.6
  65. Help on hesitant start...
  66. New to forum, getting a caddy, some advice needed...
  67. Head gasket = overheat while driving or idling?
  68. Mini N*
  69. Tranny Prob, sheared pump shaft
  70. Twin Turbo N* powered 1948 Tucker
  71. cracked block
  72. Legit "Performance chip"?
  73. Missing Hose On Vacuum Purge Switch?
  74. N* water pump froze in housing
  75. coolant leak 00 sts
  76. 1990 Eldorado won't Start !
  77. started my headgasket job today
  78. is this normal or could this be my problem
  79. Anyone ever see this thing
  80. Sludge in my engine?
  81. WOT's northstar knock?
  82. STS Coolant Burping Air out of Coolant Question
  83. Oil leak
  84. N* rebuild....hmmm what to add to my mod list
  85. Keys to long lasting N*'s
  86. Complete engine overhaul, need help ASAP
  87. Cadillac Eldorado 1995 ER HELP NEEDED!!!
  88. Huge Problem, No Shop Can Fix!!!! Help!!!
  89. 04 STS misfires when idles, goes away when you floor it.
  90. northstar research thread pics 56k beware
  91. Exhaust size
  92. Plugs And Wires
  93. Which kind of FPR?
  94. 93 Seville?
  95. 96-99 motor wiring diagrams
  96. 91 Eldo STILL misses
  97. Torque vs Horsepower primer
  98. Crankshaft Position Sensor Replaced-Code Still Set P0385
  99. Water pump question on 94 STS
  100. Is it possible to lose HP
  101. Performance tune-up for 94 North*using performance coils.
  102. 97 N* Shaky idle
  103. 97 N8 port, polish and valve job
  104. Differance between 94 and 97 N*
  105. Question about the transmission fluid
  106. Northstar Misfire... no error codes
  107. More Horsepower
  108. Volant Review / So I did it without instructions.
  109. Tranny Prob, Please help!!
  110. High oil consumption (1 quart/week!!)
  111. A/C question/help for 94 STS
  112. Magnets Increase Mileage/Power??
  113. TC0047 Code
  114. Need some help installing Volant
  115. Add Engine Oil alert
  116. P1860... Problem
  117. loss of fuel pressure
  118. O2 sensor change, mpg improvement?
  119. Northstar heads(all) and ECU Chip(93-95). Real power!
  120. 97 deville-changing plugs and wires
  121. NS300L Insert kit
  122. Head gasket set
  123. Coolant Change?
  124. P0441... P0404... ?
  125. P0533... fuel gauge is going nuts
  126. Trans Solenoids??
  127. Timesert VS NS300L Insert System
  128. How much runout is okay?
  129. 95 concours stalling
  130. Looking for Timesert Kit
  131. '94 SLS oil pan / oil manifold / half case leaks
  132. Metal pipe coolant leak...'custom' fix???
  133. Engine apart, which direction does it crank?
  134. 94 Northstar with broken valve.
  135. Oil pressure emergency
  136. hesitation
  137. Timeserts
  138. '99 or '00 ETC?
  139. Fuel pump locking ring
  140. What else do I need to know after unhooking PCM
  141. coolant change
  142. Volant Install
  143. Rebuilt Northstars
  144. Found Rotella 10W-30 at O'Reilly auto parts
  145. PSA: Need sensors?
  146. 1999 Deville front suspension rattle
  147. 1996 Deville 4.6L Water Pump Replacement
  148. N* drive train weight
  149. felpro headgaskets
  150. N* 4.0 liter removal
  151. Smoke at startup?
  152. Whining Power Steering Pump
  153. Questions about servicing my 99 Deville
  154. Where 2 buy main and rod berings for 2004 N*
  155. Lady In Distress - '01 Northstar Intermittent Stalling & Not Starting - Clues Please?
  156. Anyone have HG pics? Not overheating but probs...
  157. Nitrous A/F findings & questions.
  158. 2 N* Questions - Coolent and Tranny Dipstick?
  159. 96 STS Head Gasket Story...
  160. cool Northstar info.
  161. Engine removal
  162. 96 Deville 4.6 North* overheating problem
  163. Hot Hot Hot Is Gone - Finally
  164. A couple Nasty Problems! HELP!
  165. How to change fuel injectors?
  166. Tips for replacing Crankshaft Position Sensors
  167. Oil pan gasket leak!
  168. Oil leak?
  169. left blinker not working when headlights on
  170. Lag in the transmission
  171. p1441 evap code help
  172. P043 -- headache -- what is happening???
  173. New here
  174. Differences in 275 & 300 HP Nstar
  175. Electric Turbo
  176. PCM swap???
  177. Northstar Blocks Cracking ?
  178. what is wrong w/ my n*
  179. Oxygen Sensors Grounding
  180. 94 Seville-Turn signals not working, smoking?
  181. trouble starting after timesert job - HELP!
  182. How do you Northstar owners like your Northstars? Would you recommend them?
  183. Northstar performance Upgrades!!!
  184. Northstar Engine Block STEEL CYL INSERTS
  185. a lil help please
  186. How do I tell if my headgasket was repaired?
  187. keep losing coolant...hard to trace
  188. '94 STS is overheating
  189. '94 SLS Idling to fast
  190. 01 Eldo - 100shot Nitrous - track results
  191. RSM Racing / No more?
  192. 2000 STS Error Codes
  193. quick engine question
  194. A few questions about the 4.0 Northstar
  195. So what would happen...
  196. engine oil leaking
  197. Oil change today after 12,735 since last oil change
  198. Help with Check engine light and pcm codes!!
  199. Is this realistic ?
  200. which car to buy
  201. fuel injector fell out!?!?
  202. exhaust sizes and upgrades?
  203. exhuast sizes an performance
  204. 1996 Deville with a small head gasket leak.
  205. Water Pump pulley
  206. Anyone have a timesert bit they could measure for me?
  207. No Spark On Hot Restart
  208. Northstar parts
  209. question on swaping out 96 northstar
  210. Engine additives...safe for N*?
  211. Transmission Problem
  212. Finally Been Done Cadillac Obd-2 N* Pcm Programmer!!!
  213. Need help one more time!!!!!
  214. hot start when cold
  215. Headgaskets - deterioration or pulled head studs?
  216. Oil Coverd Spark Plugs on Northstar
  217. 1995 new starter $1000 plus?...
  218. AC Compressor
  219. How to calculate HP to weight ratio?
  220. 300 hp northstar in a deville
  221. Belt problem
  222. motor oil?
  223. 94 DeVille..I cant get my drive belt back on. Help!!
  224. not rough idle, just abnormal, help?!
  225. help identifying parts and removing wire harness
  226. Starter Grind on 94 STS
  227. P132 (E132) ......................................... Knock Sensor Circuitry Failure
  228. Oil Pan Removal??? What am I missing
  229. N* water pump?
  230. What Year NSs Fit a '99 Deville? Need Help
  231. Well...how about ram air?
  232. Congratulations to Ranger...10000 posts
  233. Does The Tornado Really work? And Cold air intake!!!
  234. Was H. Gasket Prob Fixed in Later NStars?
  235. 2000 NS Oil Leak
  236. 94 ETC intermittent/low RPM miss
  237. Catalytic Converter Question -
  238. runaway eng Speed -Glowing exhaust -4.6L N*
  239. GM replacement surge tank cap
  240. Help installing camshafts
  241. Sound like the injectors?
  242. 94 eldo tc engine knocking (i think)
  243. Engine Roaring and Popping from dead stop
  244. 03 STS rough IDLE P0300 & U1016 Code
  245. So I went on the highway in 2nd gear...
  246. Water pump belt?
  247. Low/No Oil Pressure
  248. Leaking oil, Not leaking oil
  249. Where Is The Ecu/pcm Located.
  250. Cylinder pressure test for blown head gasket??