: Northstar Engines and System Technical Discussion



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  1. bigserts
  2. Can you understand this?
  3. "New" Caddy, old leak?
  4. block swapping,crank sensors
  5. Tufoil?
  6. Northstart vs. 5.0
  7. MPG DROP - 22 to 17
  8. 94 Deville Concours- Idle in Drive Rough
  9. Should I use Dex-Cool?
  10. Dtc 420 & 1189
  11. Remote Start Killed My ICM!!?
  12. Where can you get headers for a Northstar?
  13. 02 Deville Sudden Stall
  14. light knocking... does not go away....
  15. 99 SLS runs funny
  16. Northstar 4.6 - coolant comes out rear exhaust manifold bolt hole
  17. AMSOIL in 96 STS with 88K
  18. Havoline?
  19. Replacement Air Filter
  20. Oil, Gasoline, N*'s, and long trips
  21. 96 SLS knock
  22. Crank sensor replacement
  23. Synthetic Blend?
  24. 93 STS N* P132 (E132) ... Knock Sensor Circuitry Failure
  25. Best Exhaust Upgrade for a 96 STS.
  26. N* Forged pistons
  27. N* crankshafts
  28. 96 STS overheating
  29. Looking for a core N*/Aurora V8 crank,,,
  30. Having a problem with 94 STS
  31. I Think I found my leak (Burning Oil Smell Cont.)
  32. Suspension Stability
  33. will '94 fuel injectors work in a '96?
  34. I miss the Bliss
  35. So much for your "bullet-proof" Northstar engines...
  36. 2000 sts read
  37. 97 deville overheated!!!
  38. What are these parts on my 95 Eldo?
  39. Sealing a radiator leak
  40. PCM P 0410 Secondary Air Injection System Malfunction
  41. Northstars in '95
  42. Reduced new engine power during breakin period?
  43. Boring out the N*?
  44. N* Ifr
  45. tuning software
  46. Pcm 0174
  47. Odc Ii
  48. ***New ROSS Pistons for a N* (WIth Ceramic Coating) $750***
  49. Alternator Replaced, Now Belt Squeaks, How to Fix?
  50. XLR's N* VVT rumble on startup and engine light.
  51. Quick question about a noise
  52. Help 06dts Mpg
  53. Zddp
  54. How deep do you go into motors and repairs
  55. Crank Position Sensor
  56. 94 STS cracked block
  57. Dex-cool?
  58. Performance chips
  59. It's Me again!
  60. CODES-I'm New-Check Engine light
  61. 96 SLS Head Gasket
  62. Serious help needed with 1995 northstar
  63. Cover up UGLY valve cover 95-99
  64. Who has the best warranty
  65. Annoying Tranny Whine
  66. Car just dies. Please help!
  67. service engine soon light
  68. 1993 STS running rough P053 Code
  69. 2000 Eldorado ETC Misfire #2
  70. Revisiting Airflow = Torque
  71. missed a time sert kit
  72. Newbie here and tryin to find my CKP
  73. Temperature Concerns
  74. Northstar- Starting, Running Problems
  75. 94 Seville intermittent hard start
  76. Engine miss
  77. sticker shock
  78. 9 codes today, i reckon a bad earth?
  79. oil change
  80. 70MPH pull.....
  81. reuse pistion rings?
  82. Engine Stall
  83. Contents of GM Top End Cleaner?
  84. OBDII Codes
  85. Iridium Spark plugs
  86. Oil Change
  87. Bar's Leaks J-120
  88. MAF Sensor
  89. cracked block pics
  90. possible Northstar PCM Programmer
  91. Export code
  92. Strange hole under ignition module
  93. Balls to the wall - N* style
  94. Timesert kit for sale
  95. Bank 2 identification
  96. Source of whining noise
  97. So many questions, so little time
  98. need help with p036 and p094
  99. Odin8 are you out there ?
  100. will '94 concours fuel injectors fit '96 sts?
  101. 1BadCaddy 94' STS update on power tune up.
  102. 4T80E Troubles?
  103. Coolant leak under throttle body area?
  104. After Shift Sol. Replacement...
  105. Safe amount of boos for stock motor?
  106. Found the reason why my car "jerks" during acceleration
  107. Head torque
  108. Ground Cable Location?
  109. Northstar leaking coolant....big time!
  110. Setting the timing gears and belts on 96 n* 4.6
  111. Help on hesitant start...
  112. New to forum, getting a caddy, some advice needed...
  113. Head gasket = overheat while driving or idling?
  114. Mini N*
  115. Tranny Prob, sheared pump shaft
  116. Twin Turbo N* powered 1948 Tucker
  117. cracked block
  118. Legit "Performance chip"?
  119. Missing Hose On Vacuum Purge Switch?
  120. N* water pump froze in housing
  121. coolant leak 00 sts
  122. 1990 Eldorado won't Start !
  123. started my headgasket job today
  124. is this normal or could this be my problem
  125. Anyone ever see this thing
  126. Sludge in my engine?
  127. WOT's northstar knock?
  128. STS Coolant Burping Air out of Coolant Question
  129. Oil leak
  130. N* rebuild....hmmm what to add to my mod list
  131. Keys to long lasting N*'s
  132. Complete engine overhaul, need help ASAP
  133. Cadillac Eldorado 1995 ER HELP NEEDED!!!
  134. Huge Problem, No Shop Can Fix!!!! Help!!!
  135. 04 STS misfires when idles, goes away when you floor it.
  136. northstar research thread pics 56k beware
  137. Exhaust size
  138. Plugs And Wires
  139. Which kind of FPR?
  140. 93 Seville?
  141. 96-99 motor wiring diagrams
  142. 91 Eldo STILL misses
  143. Torque vs Horsepower primer
  144. Crankshaft Position Sensor Replaced-Code Still Set P0385
  145. Water pump question on 94 STS
  146. Is it possible to lose HP
  147. Performance tune-up for 94 North*using performance coils.
  148. 97 N* Shaky idle
  149. 97 N8 port, polish and valve job
  150. Differance between 94 and 97 N*
  151. Question about the transmission fluid
  152. Northstar Misfire... no error codes
  153. More Horsepower
  154. Volant Review / So I did it without instructions.
  155. Tranny Prob, Please help!!
  156. High oil consumption (1 quart/week!!)
  157. A/C question/help for 94 STS
  158. Magnets Increase Mileage/Power??
  159. TC0047 Code
  160. Need some help installing Volant
  161. Add Engine Oil alert
  162. P1860... Problem
  163. loss of fuel pressure
  164. O2 sensor change, mpg improvement?
  165. Northstar heads(all) and ECU Chip(93-95). Real power!
  166. 97 deville-changing plugs and wires
  167. NS300L Insert kit
  168. Head gasket set
  169. Coolant Change?
  170. P0441... P0404... ?
  171. P0533... fuel gauge is going nuts
  172. Trans Solenoids??
  173. Timesert VS NS300L Insert System
  174. How much runout is okay?
  175. 95 concours stalling
  176. Looking for Timesert Kit
  177. '94 SLS oil pan / oil manifold / half case leaks
  178. Metal pipe coolant leak...'custom' fix???
  179. Engine apart, which direction does it crank?
  180. 94 Northstar with broken valve.
  181. Oil pressure emergency
  182. hesitation
  183. Timeserts
  184. '99 or '00 ETC?
  185. Fuel pump locking ring
  186. What else do I need to know after unhooking PCM
  187. coolant change
  188. Volant Install
  189. Rebuilt Northstars
  190. Found Rotella 10W-30 at O'Reilly auto parts
  191. PSA: Need sensors?
  192. 1999 Deville front suspension rattle
  193. 1996 Deville 4.6L Water Pump Replacement
  194. N* drive train weight
  195. felpro headgaskets
  196. N* 4.0 liter removal
  197. Smoke at startup?
  198. Whining Power Steering Pump
  199. Questions about servicing my 99 Deville
  200. Where 2 buy main and rod berings for 2004 N*
  201. Lady In Distress - '01 Northstar Intermittent Stalling & Not Starting - Clues Please?
  202. Anyone have HG pics? Not overheating but probs...
  203. Nitrous A/F findings & questions.
  204. 2 N* Questions - Coolent and Tranny Dipstick?
  205. 96 STS Head Gasket Story...
  206. cool Northstar info.
  207. Engine removal
  208. 96 Deville 4.6 North* overheating problem
  209. Hot Hot Hot Is Gone - Finally
  210. A couple Nasty Problems! HELP!
  211. How to change fuel injectors?
  212. Tips for replacing Crankshaft Position Sensors
  213. Oil pan gasket leak!
  214. Oil leak?
  215. left blinker not working when headlights on
  216. Lag in the transmission
  217. p1441 evap code help
  218. P043 -- headache -- what is happening???
  219. New here
  220. Differences in 275 & 300 HP Nstar
  221. Electric Turbo
  222. PCM swap???
  223. Northstar Blocks Cracking ?
  224. what is wrong w/ my n*
  225. Oxygen Sensors Grounding
  226. 94 Seville-Turn signals not working, smoking?
  227. trouble starting after timesert job - HELP!
  228. How do you Northstar owners like your Northstars? Would you recommend them?
  229. Northstar performance Upgrades!!!
  230. Northstar Engine Block STEEL CYL INSERTS
  231. a lil help please
  232. How do I tell if my headgasket was repaired?
  233. keep losing coolant...hard to trace
  234. '94 STS is overheating
  235. '94 SLS Idling to fast
  236. 01 Eldo - 100shot Nitrous - track results
  237. RSM Racing / No more?
  238. 2000 STS Error Codes
  239. quick engine question
  240. A few questions about the 4.0 Northstar
  241. So what would happen...
  242. engine oil leaking
  243. Oil change today after 12,735 since last oil change
  244. Help with Check engine light and pcm codes!!
  245. Is this realistic ?
  246. which car to buy
  247. fuel injector fell out!?!?
  248. exhaust sizes and upgrades?
  249. exhuast sizes an performance
  250. 1996 Deville with a small head gasket leak.