: Northstar Engines and System Technical Discussion



Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 [18] 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33

  1. Performance tune-up for 94 North*using performance coils.
  2. 97 N* Shaky idle
  3. 97 N8 port, polish and valve job
  4. Differance between 94 and 97 N*
  5. Question about the transmission fluid
  6. Northstar Misfire... no error codes
  7. More Horsepower
  8. Volant Review / So I did it without instructions.
  9. Tranny Prob, Please help!!
  10. High oil consumption (1 quart/week!!)
  11. A/C question/help for 94 STS
  12. Magnets Increase Mileage/Power??
  13. TC0047 Code
  14. Need some help installing Volant
  15. Add Engine Oil alert
  16. P1860... Problem
  17. loss of fuel pressure
  18. O2 sensor change, mpg improvement?
  19. Northstar heads(all) and ECU Chip(93-95). Real power!
  20. 97 deville-changing plugs and wires
  21. NS300L Insert kit
  22. Head gasket set
  23. Coolant Change?
  24. P0441... P0404... ?
  25. P0533... fuel gauge is going nuts
  26. Trans Solenoids??
  27. Timesert VS NS300L Insert System
  28. How much runout is okay?
  29. 95 concours stalling
  30. Looking for Timesert Kit
  31. '94 SLS oil pan / oil manifold / half case leaks
  32. Metal pipe coolant leak...'custom' fix???
  33. Engine apart, which direction does it crank?
  34. 94 Northstar with broken valve.
  35. Oil pressure emergency
  36. hesitation
  37. Timeserts
  38. '99 or '00 ETC?
  39. Fuel pump locking ring
  40. What else do I need to know after unhooking PCM
  41. coolant change
  42. Volant Install
  43. Rebuilt Northstars
  44. Found Rotella 10W-30 at O'Reilly auto parts
  45. PSA: Need sensors?
  46. 1999 Deville front suspension rattle
  47. 1996 Deville 4.6L Water Pump Replacement
  48. N* drive train weight
  49. felpro headgaskets
  50. N* 4.0 liter removal
  51. Smoke at startup?
  52. Whining Power Steering Pump
  53. Questions about servicing my 99 Deville
  54. Where 2 buy main and rod berings for 2004 N*
  55. Lady In Distress - '01 Northstar Intermittent Stalling & Not Starting - Clues Please?
  56. Anyone have HG pics? Not overheating but probs...
  57. Nitrous A/F findings & questions.
  58. 2 N* Questions - Coolent and Tranny Dipstick?
  59. 96 STS Head Gasket Story...
  60. cool Northstar info.
  61. Engine removal
  62. 96 Deville 4.6 North* overheating problem
  63. Hot Hot Hot Is Gone - Finally
  64. A couple Nasty Problems! HELP!
  65. How to change fuel injectors?
  66. Tips for replacing Crankshaft Position Sensors
  67. Oil pan gasket leak!
  68. Oil leak?
  69. left blinker not working when headlights on
  70. Lag in the transmission
  71. p1441 evap code help
  72. P043 -- headache -- what is happening???
  73. New here
  74. Differences in 275 & 300 HP Nstar
  75. Electric Turbo
  76. PCM swap???
  77. Northstar Blocks Cracking ?
  78. what is wrong w/ my n*
  79. Oxygen Sensors Grounding
  80. 94 Seville-Turn signals not working, smoking?
  81. trouble starting after timesert job - HELP!
  82. How do you Northstar owners like your Northstars? Would you recommend them?
  83. Northstar performance Upgrades!!!
  84. Northstar Engine Block STEEL CYL INSERTS
  85. a lil help please
  86. How do I tell if my headgasket was repaired?
  87. keep losing coolant...hard to trace
  88. '94 STS is overheating
  89. '94 SLS Idling to fast
  90. 01 Eldo - 100shot Nitrous - track results
  91. RSM Racing / No more?
  92. 2000 STS Error Codes
  93. quick engine question
  94. A few questions about the 4.0 Northstar
  95. So what would happen...
  96. engine oil leaking
  97. Oil change today after 12,735 since last oil change
  98. Help with Check engine light and pcm codes!!
  99. Is this realistic ?
  100. which car to buy
  101. fuel injector fell out!?!?
  102. exhaust sizes and upgrades?
  103. exhuast sizes an performance
  104. 1996 Deville with a small head gasket leak.
  105. Water Pump pulley
  106. Anyone have a timesert bit they could measure for me?
  107. No Spark On Hot Restart
  108. Northstar parts
  109. question on swaping out 96 northstar
  110. Engine additives...safe for N*?
  111. Transmission Problem
  112. Finally Been Done Cadillac Obd-2 N* Pcm Programmer!!!
  113. Need help one more time!!!!!
  114. hot start when cold
  115. Headgaskets - deterioration or pulled head studs?
  116. Oil Coverd Spark Plugs on Northstar
  117. 1995 new starter $1000 plus?...
  118. AC Compressor
  119. How to calculate HP to weight ratio?
  120. 300 hp northstar in a deville
  121. Belt problem
  122. motor oil?
  123. 94 DeVille..I cant get my drive belt back on. Help!!
  124. not rough idle, just abnormal, help?!
  125. help identifying parts and removing wire harness
  126. Starter Grind on 94 STS
  127. P132 (E132) ......................................... Knock Sensor Circuitry Failure
  128. Oil Pan Removal??? What am I missing
  129. N* water pump?
  130. What Year NSs Fit a '99 Deville? Need Help
  131. Well...how about ram air?
  132. Congratulations to Ranger...10000 posts
  133. Does The Tornado Really work? And Cold air intake!!!
  134. Was H. Gasket Prob Fixed in Later NStars?
  135. 2000 NS Oil Leak
  136. 94 ETC intermittent/low RPM miss
  137. Catalytic Converter Question -
  138. runaway eng Speed -Glowing exhaust -4.6L N*
  139. GM replacement surge tank cap
  140. Help installing camshafts
  141. Sound like the injectors?
  142. 94 eldo tc engine knocking (i think)
  143. Engine Roaring and Popping from dead stop
  144. 03 STS rough IDLE P0300 & U1016 Code
  145. So I went on the highway in 2nd gear...
  146. Water pump belt?
  147. Low/No Oil Pressure
  148. Leaking oil, Not leaking oil
  149. Where Is The Ecu/pcm Located.
  150. Cylinder pressure test for blown head gasket??
  151. coolant pipes - replace or repair?
  152. few head gasket procedure questions
  153. MAP Sensor Problems. Need A Little Guidance.
  154. So Mixing Different Weight Oils is OK?
  155. Fan fuse
  156. Northstar Engine Swap. Has any1 Done it?
  157. Has anyone experience there car cutting off when the fuel is low but will restart?
  158. 99 STS Turbo Update
  159. Northstar cooling system question
  160. Hot Hot Hot !!!!
  161. How exactly do Oil Life Monitors work?
  162. crankshalf sensors
  163. S060 and P039
  164. DENSO or AC Delco Spark Plugs for a Northstar?
  165. normal running temp for a northstar?
  166. Water Pump replacement on a 96 deville
  167. Gonna Have to LIve with the Lifter Tick
  168. Codes
  169. 98 sts overheating problems
  170. corsa exhaust sound clip
  171. My northstar went south
  172. Crankshaft Position Sensor dead again??!?! Symptoms?
  173. 93-95 performance parts!
  174. 2003 FWD Deville engine dying
  175. Damaged boot between intake & tb... need advice
  176. red line
  177. new o2 sensor still p030 when idle
  178. turn signal problem ('94 STS)
  179. warped heads common?
  180. radiator or head gasket????????
  181. thermostat options
  182. Bad ( burning? ) Smell
  183. ISC replacement
  184. 98 deville spark plugs
  185. Oil Level Sensor
  186. Dropping cradle today, need a bit of guidance
  187. Maff screen remove? power gains?
  188. Runnin without o2 fuses in
  189. Thoughts on G-Tech Pro
  190. PCM Programming for N*?
  191. Decreased Performance ???
  192. anyone use non-"time" serts
  193. Fuel Rail Question...
  194. portability of engine, tranny, etc
  195. Harder than heck to start my
  196. Z-rated 93/94 Seville/Eldo PCM for sale-Ebay
  197. Northstar ETC dynoed
  198. Northstar in an Allante vs an STS?
  199. Long Block Replacement
  200. Leaking Fuel Rail
  201. turning off traction control on '95 sts
  202. New Towing Hitch
  203. Overheating problem just started.
  204. Normal Oil Consumption ???
  205. 112mph???
  206. 93 N* coolant temp sensor
  207. Finally Found PCM Programmer for 96-04 N* OBD-2!!!
  208. Voltage question
  209. Oil Question?????
  210. 97' Cadillac Deville Overheating
  211. ticking throttle
  212. Best Head Gasket Sealer
  213. '94 SLS Crankshaft pully
  214. 99 seville sls
  215. 1/4 mile
  216. radiator fan not spinning
  217. Noisy Lifters
  218. Sticky lifter Update
  219. Expensive Air Filters Worth it???
  220. Coolant system question
  221. hard start when hot, not FPR
  222. An Intresting scan tool
  223. pre 99 N* water pump belt tensioner.
  224. Hard Start/ Fuel Odor
  225. Belt Pulley
  226. coolant flow question
  227. Reading data from OBD II
  228. Inaccurate Battery Voltage Display??
  229. Detonation and Pre-ignition
  230. 94 STS needs help
  231. lifting a northstar
  232. Bosch +2 plugs (report)
  233. OSD says "Change Trans Fluid"
  234. premium at the pump...or is it??
  235. Heating Up
  236. 0-60
  237. More performance
  238. cooling fan problem
  239. 1995 seville pcm problem HELP
  240. Valve Train Question
  241. I keep getting P0404 and P0441? Looking for suggestions...
  242. wiring oil pressure sensor
  243. I keep getting P0404 and P0441
  244. Cooling Fans
  245. Some N* questions
  246. Check Engine Oil Level
  247. This N* is living a good life...
  248. Read TECH TIPS FPR - More Info needed
  249. Intakes
  250. 93 sts running rough only when hot