: Northstar Engines and System Technical Discussion



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  1. Differences in 275 & 300 HP Nstar
  2. Electric Turbo
  3. PCM swap???
  4. Northstar Blocks Cracking ?
  5. what is wrong w/ my n*
  6. Oxygen Sensors Grounding
  7. 94 Seville-Turn signals not working, smoking?
  8. trouble starting after timesert job - HELP!
  9. How do you Northstar owners like your Northstars? Would you recommend them?
  10. Northstar performance Upgrades!!!
  11. Northstar Engine Block STEEL CYL INSERTS
  12. a lil help please
  13. How do I tell if my headgasket was repaired?
  14. keep losing coolant...hard to trace
  15. '94 STS is overheating
  16. '94 SLS Idling to fast
  17. 01 Eldo - 100shot Nitrous - track results
  18. RSM Racing / No more?
  19. 2000 STS Error Codes
  20. quick engine question
  21. A few questions about the 4.0 Northstar
  22. So what would happen...
  23. engine oil leaking
  24. Oil change today after 12,735 since last oil change
  25. Help with Check engine light and pcm codes!!
  26. Is this realistic ?
  27. which car to buy
  28. fuel injector fell out!?!?
  29. exhaust sizes and upgrades?
  30. exhuast sizes an performance
  31. 1996 Deville with a small head gasket leak.
  32. Water Pump pulley
  33. Anyone have a timesert bit they could measure for me?
  34. No Spark On Hot Restart
  35. Northstar parts
  36. question on swaping out 96 northstar
  37. Engine additives...safe for N*?
  38. Transmission Problem
  39. Finally Been Done Cadillac Obd-2 N* Pcm Programmer!!!
  40. Need help one more time!!!!!
  41. hot start when cold
  42. Headgaskets - deterioration or pulled head studs?
  43. Oil Coverd Spark Plugs on Northstar
  44. 1995 new starter $1000 plus?...
  45. AC Compressor
  46. How to calculate HP to weight ratio?
  47. 300 hp northstar in a deville
  48. Belt problem
  49. motor oil?
  50. 94 DeVille..I cant get my drive belt back on. Help!!
  51. not rough idle, just abnormal, help?!
  52. help identifying parts and removing wire harness
  53. Starter Grind on 94 STS
  54. P132 (E132) ......................................... Knock Sensor Circuitry Failure
  55. Oil Pan Removal??? What am I missing
  56. N* water pump?
  57. What Year NSs Fit a '99 Deville? Need Help
  58. Well...how about ram air?
  59. Congratulations to Ranger...10000 posts
  60. Does The Tornado Really work? And Cold air intake!!!
  61. Was H. Gasket Prob Fixed in Later NStars?
  62. 2000 NS Oil Leak
  63. 94 ETC intermittent/low RPM miss
  64. Catalytic Converter Question -
  65. runaway eng Speed -Glowing exhaust -4.6L N*
  66. GM replacement surge tank cap
  67. Help installing camshafts
  68. Sound like the injectors?
  69. 94 eldo tc engine knocking (i think)
  70. Engine Roaring and Popping from dead stop
  71. 03 STS rough IDLE P0300 & U1016 Code
  72. So I went on the highway in 2nd gear...
  73. Water pump belt?
  74. Low/No Oil Pressure
  75. Leaking oil, Not leaking oil
  76. Where Is The Ecu/pcm Located.
  77. Cylinder pressure test for blown head gasket??
  78. coolant pipes - replace or repair?
  79. few head gasket procedure questions
  80. MAP Sensor Problems. Need A Little Guidance.
  81. So Mixing Different Weight Oils is OK?
  82. Fan fuse
  83. Northstar Engine Swap. Has any1 Done it?
  84. Has anyone experience there car cutting off when the fuel is low but will restart?
  85. 99 STS Turbo Update
  86. Northstar cooling system question
  87. Hot Hot Hot !!!!
  88. How exactly do Oil Life Monitors work?
  89. crankshalf sensors
  90. S060 and P039
  91. DENSO or AC Delco Spark Plugs for a Northstar?
  92. normal running temp for a northstar?
  93. Water Pump replacement on a 96 deville
  94. Gonna Have to LIve with the Lifter Tick
  95. Codes
  96. 98 sts overheating problems
  97. corsa exhaust sound clip
  98. My northstar went south
  99. Crankshaft Position Sensor dead again??!?! Symptoms?
  100. 93-95 performance parts!
  101. 2003 FWD Deville engine dying
  102. Damaged boot between intake & tb... need advice
  103. red line
  104. new o2 sensor still p030 when idle
  105. turn signal problem ('94 STS)
  106. warped heads common?
  107. radiator or head gasket????????
  108. thermostat options
  109. Bad ( burning? ) Smell
  110. ISC replacement
  111. 98 deville spark plugs
  112. Oil Level Sensor
  113. Dropping cradle today, need a bit of guidance
  114. Maff screen remove? power gains?
  115. Runnin without o2 fuses in
  116. Thoughts on G-Tech Pro
  117. PCM Programming for N*?
  118. Decreased Performance ???
  119. anyone use non-"time" serts
  120. Fuel Rail Question...
  121. portability of engine, tranny, etc
  122. Harder than heck to start my
  123. Z-rated 93/94 Seville/Eldo PCM for sale-Ebay
  124. Northstar ETC dynoed
  125. Northstar in an Allante vs an STS?
  126. Long Block Replacement
  127. Leaking Fuel Rail
  128. turning off traction control on '95 sts
  129. New Towing Hitch
  130. Overheating problem just started.
  131. Normal Oil Consumption ???
  132. 112mph???
  133. 93 N* coolant temp sensor
  134. Finally Found PCM Programmer for 96-04 N* OBD-2!!!
  135. Voltage question
  136. Oil Question?????
  137. 97' Cadillac Deville Overheating
  138. ticking throttle
  139. Best Head Gasket Sealer
  140. '94 SLS Crankshaft pully
  141. 99 seville sls
  142. 1/4 mile
  143. radiator fan not spinning
  144. Noisy Lifters
  145. Sticky lifter Update
  146. Expensive Air Filters Worth it???
  147. Coolant system question
  148. hard start when hot, not FPR
  149. An Intresting scan tool
  150. pre 99 N* water pump belt tensioner.
  151. Hard Start/ Fuel Odor
  152. Belt Pulley
  153. coolant flow question
  154. Reading data from OBD II
  155. Inaccurate Battery Voltage Display??
  156. Detonation and Pre-ignition
  157. 94 STS needs help
  158. lifting a northstar
  159. Bosch +2 plugs (report)
  160. OSD says "Change Trans Fluid"
  161. premium at the pump...or is it??
  162. Heating Up
  163. 0-60
  164. More performance
  165. cooling fan problem
  166. 1995 seville pcm problem HELP
  167. Valve Train Question
  168. I keep getting P0404 and P0441? Looking for suggestions...
  169. wiring oil pressure sensor
  170. I keep getting P0404 and P0441
  171. Cooling Fans
  172. Some N* questions
  173. Check Engine Oil Level
  174. This N* is living a good life...
  175. Read TECH TIPS FPR - More Info needed
  176. Intakes
  177. 93 sts running rough only when hot
  178. What does "B2118 - Front Vertical Sensor Failed" mean?
  179. Anti-Sieze and Spark Plugs
  180. Intake Manifold questions - chime in!
  181. thermostat for north star
  182. Preparing for coolant change / Double Checking.
  183. 95 Intake Manifold Interchange?
  184. p0741 trouble code
  185. 1996 4.6 L. Rebuild, what should be replaced.
  186. Replacement parts after reman engine
  187. hardest water pump to install
  188. Sticky-Noisy Valve Lifters, What to Do?
  189. ISC Adjustment Procedure for OBD1 How To
  190. Need Part Number 94 N* INTAKE MANIFOLD
  191. My mechanic wants to put in a new radiator, should I let him?
  192. 94 caddy coolant leak
  193. Crossover measurement
  194. northstar in a fiero
  195. Oil Additive Question
  196. Overheating and low oil pressure
  197. How about no muffler??
  198. Engine rough running misses no power 95 Eldorado 4.6
  199. Borla vs Corsa and others
  200. starter noise, doesn't start
  201. oil pan gasket change, is this quote correct!?
  202. Mixing Coolants.
  203. '95 Concours leaking oil between engine and trans
  204. Time serts for sale
  205. Northstar changes year to year
  206. no power with Traction Control off
  207. Oil Change question.. price???
  208. A/C and vacuum
  209. 10 best engines, N* not 2 b found
  210. 93 runs rough when hot.
  211. Spark Plug Wire Placement
  212. Adjust TCS Sensitivity?
  213. "The power to set it free"
  214. Oil Analysis
  215. Tried Blue Devil?
  216. Overheating HELP!!!
  217. Alternator Removal??
  218. MAF screen missing
  219. Washed My North*
  220. Battery No Charge
  221. PCM programming question
  222. 95 TPS replace
  223. 93 sts fuel filter
  224. Engine Stall
  225. Can 'sticky' EGR cause misfire or similar?
  226. head gasket mileage
  227. Cadillac Dealerships
  228. dexcool flush
  229. 93 sts rough idle and fluttering under acceleration
  230. wanna see performance then mayb you wanna watch this
  231. cam specs for a 1995 sts
  232. Chance of Fire ??
  233. +++++Looking for a "Time-Sert" tool set+++++
  234. +++++Looking for a "Time-Sert" tool set+++++
  235. 97 STS overheating
  236. water pump
  237. oil change and coolant change this friday
  238. 97 SLS misfiring... ?
  239. Mystery Belt (Simple Question)
  240. 95 Aurora OBD I or OBD II
  241. Normal Temp Readings
  242. Northstar for marine use?
  243. 92 Eldo OBD Code help
  244. kick down
  245. WOT in a Aurora 4.0
  246. Low Oil Pressure
  247. When buying a Northstar powered car....
  248. Oil OIl Everywhere Not a drop to spare
  249. Overheating 95 Seville Sls
  250. Rough idle at start-up