: Northstar Engines and System Technical Discussion



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  1. How do I tell if my headgasket was repaired?
  2. keep losing coolant...hard to trace
  3. '94 STS is overheating
  4. '94 SLS Idling to fast
  5. 01 Eldo - 100shot Nitrous - track results
  6. RSM Racing / No more?
  7. 2000 STS Error Codes
  8. quick engine question
  9. A few questions about the 4.0 Northstar
  10. So what would happen...
  11. engine oil leaking
  12. Oil change today after 12,735 since last oil change
  13. Help with Check engine light and pcm codes!!
  14. Is this realistic ?
  15. which car to buy
  16. fuel injector fell out!?!?
  17. exhaust sizes and upgrades?
  18. exhuast sizes an performance
  19. 1996 Deville with a small head gasket leak.
  20. Water Pump pulley
  21. Anyone have a timesert bit they could measure for me?
  22. No Spark On Hot Restart
  23. Northstar parts
  24. question on swaping out 96 northstar
  25. Engine additives...safe for N*?
  26. Transmission Problem
  27. Finally Been Done Cadillac Obd-2 N* Pcm Programmer!!!
  28. Need help one more time!!!!!
  29. hot start when cold
  30. Headgaskets - deterioration or pulled head studs?
  31. Oil Coverd Spark Plugs on Northstar
  32. 1995 new starter $1000 plus?...
  33. AC Compressor
  34. How to calculate HP to weight ratio?
  35. 300 hp northstar in a deville
  36. Belt problem
  37. motor oil?
  38. 94 DeVille..I cant get my drive belt back on. Help!!
  39. not rough idle, just abnormal, help?!
  40. help identifying parts and removing wire harness
  41. Starter Grind on 94 STS
  42. P132 (E132) ......................................... Knock Sensor Circuitry Failure
  43. Oil Pan Removal??? What am I missing
  44. N* water pump?
  45. What Year NSs Fit a '99 Deville? Need Help
  46. Well...how about ram air?
  47. Congratulations to Ranger...10000 posts
  48. Does The Tornado Really work? And Cold air intake!!!
  49. Was H. Gasket Prob Fixed in Later NStars?
  50. 2000 NS Oil Leak
  51. 94 ETC intermittent/low RPM miss
  52. Catalytic Converter Question -
  53. runaway eng Speed -Glowing exhaust -4.6L N*
  54. GM replacement surge tank cap
  55. Help installing camshafts
  56. Sound like the injectors?
  57. 94 eldo tc engine knocking (i think)
  58. Engine Roaring and Popping from dead stop
  59. 03 STS rough IDLE P0300 & U1016 Code
  60. So I went on the highway in 2nd gear...
  61. Water pump belt?
  62. Low/No Oil Pressure
  63. Leaking oil, Not leaking oil
  64. Where Is The Ecu/pcm Located.
  65. Cylinder pressure test for blown head gasket??
  66. coolant pipes - replace or repair?
  67. few head gasket procedure questions
  68. MAP Sensor Problems. Need A Little Guidance.
  69. So Mixing Different Weight Oils is OK?
  70. Fan fuse
  71. Northstar Engine Swap. Has any1 Done it?
  72. Has anyone experience there car cutting off when the fuel is low but will restart?
  73. 99 STS Turbo Update
  74. Northstar cooling system question
  75. Hot Hot Hot !!!!
  76. How exactly do Oil Life Monitors work?
  77. crankshalf sensors
  78. S060 and P039
  79. DENSO or AC Delco Spark Plugs for a Northstar?
  80. normal running temp for a northstar?
  81. Water Pump replacement on a 96 deville
  82. Gonna Have to LIve with the Lifter Tick
  83. Codes
  84. 98 sts overheating problems
  85. corsa exhaust sound clip
  86. My northstar went south
  87. Crankshaft Position Sensor dead again??!?! Symptoms?
  88. 93-95 performance parts!
  89. 2003 FWD Deville engine dying
  90. Damaged boot between intake & tb... need advice
  91. red line
  92. new o2 sensor still p030 when idle
  93. turn signal problem ('94 STS)
  94. warped heads common?
  95. radiator or head gasket????????
  96. thermostat options
  97. Bad ( burning? ) Smell
  98. ISC replacement
  99. 98 deville spark plugs
  100. Oil Level Sensor
  101. Dropping cradle today, need a bit of guidance
  102. Maff screen remove? power gains?
  103. Runnin without o2 fuses in
  104. Thoughts on G-Tech Pro
  105. PCM Programming for N*?
  106. Decreased Performance ???
  107. anyone use non-"time" serts
  108. Fuel Rail Question...
  109. portability of engine, tranny, etc
  110. Harder than heck to start my
  111. Z-rated 93/94 Seville/Eldo PCM for sale-Ebay
  112. Northstar ETC dynoed
  113. Northstar in an Allante vs an STS?
  114. Long Block Replacement
  115. Leaking Fuel Rail
  116. turning off traction control on '95 sts
  117. New Towing Hitch
  118. Overheating problem just started.
  119. Normal Oil Consumption ???
  120. 112mph???
  121. 93 N* coolant temp sensor
  122. Finally Found PCM Programmer for 96-04 N* OBD-2!!!
  123. Voltage question
  124. Oil Question?????
  125. 97' Cadillac Deville Overheating
  126. ticking throttle
  127. Best Head Gasket Sealer
  128. '94 SLS Crankshaft pully
  129. 99 seville sls
  130. 1/4 mile
  131. radiator fan not spinning
  132. Noisy Lifters
  133. Sticky lifter Update
  134. Expensive Air Filters Worth it???
  135. Coolant system question
  136. hard start when hot, not FPR
  137. An Intresting scan tool
  138. pre 99 N* water pump belt tensioner.
  139. Hard Start/ Fuel Odor
  140. Belt Pulley
  141. coolant flow question
  142. Reading data from OBD II
  143. Inaccurate Battery Voltage Display??
  144. Detonation and Pre-ignition
  145. 94 STS needs help
  146. lifting a northstar
  147. Bosch +2 plugs (report)
  148. OSD says "Change Trans Fluid"
  149. premium at the pump...or is it??
  150. Heating Up
  151. 0-60
  152. More performance
  153. cooling fan problem
  154. 1995 seville pcm problem HELP
  155. Valve Train Question
  156. I keep getting P0404 and P0441? Looking for suggestions...
  157. wiring oil pressure sensor
  158. I keep getting P0404 and P0441
  159. Cooling Fans
  160. Some N* questions
  161. Check Engine Oil Level
  162. This N* is living a good life...
  163. Read TECH TIPS FPR - More Info needed
  164. Intakes
  165. 93 sts running rough only when hot
  166. What does "B2118 - Front Vertical Sensor Failed" mean?
  167. Anti-Sieze and Spark Plugs
  168. Intake Manifold questions - chime in!
  169. thermostat for north star
  170. Preparing for coolant change / Double Checking.
  171. 95 Intake Manifold Interchange?
  172. p0741 trouble code
  173. 1996 4.6 L. Rebuild, what should be replaced.
  174. Replacement parts after reman engine
  175. hardest water pump to install
  176. Sticky-Noisy Valve Lifters, What to Do?
  177. ISC Adjustment Procedure for OBD1 How To
  178. Need Part Number 94 N* INTAKE MANIFOLD
  179. My mechanic wants to put in a new radiator, should I let him?
  180. 94 caddy coolant leak
  181. Crossover measurement
  182. northstar in a fiero
  183. Oil Additive Question
  184. Overheating and low oil pressure
  185. How about no muffler??
  186. Engine rough running misses no power 95 Eldorado 4.6
  187. Borla vs Corsa and others
  188. starter noise, doesn't start
  189. oil pan gasket change, is this quote correct!?
  190. Mixing Coolants.
  191. '95 Concours leaking oil between engine and trans
  192. Time serts for sale
  193. Northstar changes year to year
  194. no power with Traction Control off
  195. Oil Change question.. price???
  196. A/C and vacuum
  197. 10 best engines, N* not 2 b found
  198. 93 runs rough when hot.
  199. Spark Plug Wire Placement
  200. Adjust TCS Sensitivity?
  201. "The power to set it free"
  202. Oil Analysis
  203. Tried Blue Devil?
  204. Overheating HELP!!!
  205. Alternator Removal??
  206. MAF screen missing
  207. Washed My North*
  208. Battery No Charge
  209. PCM programming question
  210. 95 TPS replace
  211. 93 sts fuel filter
  212. Engine Stall
  213. Can 'sticky' EGR cause misfire or similar?
  214. head gasket mileage
  215. Cadillac Dealerships
  216. dexcool flush
  217. 93 sts rough idle and fluttering under acceleration
  218. wanna see performance then mayb you wanna watch this
  219. cam specs for a 1995 sts
  220. Chance of Fire ??
  221. +++++Looking for a "Time-Sert" tool set+++++
  222. +++++Looking for a "Time-Sert" tool set+++++
  223. 97 STS overheating
  224. water pump
  225. oil change and coolant change this friday
  226. 97 SLS misfiring... ?
  227. Mystery Belt (Simple Question)
  228. 95 Aurora OBD I or OBD II
  229. Normal Temp Readings
  230. Northstar for marine use?
  231. 92 Eldo OBD Code help
  232. kick down
  233. WOT in a Aurora 4.0
  234. Low Oil Pressure
  235. When buying a Northstar powered car....
  236. Oil OIl Everywhere Not a drop to spare
  237. Overheating 95 Seville Sls
  238. Rough idle at start-up
  239. Northstar low oil pressure alarm
  240. Nothstar fairytails
  241. rough idling at lights
  242. Anyone know what "P1320 - IC 4X Reference Circuit Intermittent" means?
  243. Codes p0174, b2102, u1064
  244. Prestone EG coolant "new formula"? for 95 SLS N*
  245. Elusive overheating problem solved/excess oil found
  246. NorthStar Head Bolts
  247. 4.6L Parts Supplier and Availability Question
  248. Torque Convertor removal, problem (96 4.6L)
  249. 4.6 Northstar Time-sert headbolt hole repair kit
  250. My 94 seville idles and runs terrible. I've done everything!