: Northstar Engines and System Technical Discussion



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