: Northstar Engines and System Technical Discussion



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  1. Where Is The Ecu/pcm Located.
  2. Cylinder pressure test for blown head gasket??
  3. coolant pipes - replace or repair?
  4. few head gasket procedure questions
  5. MAP Sensor Problems. Need A Little Guidance.
  6. So Mixing Different Weight Oils is OK?
  7. Fan fuse
  8. Northstar Engine Swap. Has any1 Done it?
  9. Has anyone experience there car cutting off when the fuel is low but will restart?
  10. 99 STS Turbo Update
  11. Northstar cooling system question
  12. Hot Hot Hot !!!!
  13. How exactly do Oil Life Monitors work?
  14. crankshalf sensors
  15. S060 and P039
  16. DENSO or AC Delco Spark Plugs for a Northstar?
  17. normal running temp for a northstar?
  18. Water Pump replacement on a 96 deville
  19. Gonna Have to LIve with the Lifter Tick
  20. Codes
  21. 98 sts overheating problems
  22. corsa exhaust sound clip
  23. My northstar went south
  24. Crankshaft Position Sensor dead again??!?! Symptoms?
  25. 93-95 performance parts!
  26. 2003 FWD Deville engine dying
  27. Damaged boot between intake & tb... need advice
  28. red line
  29. new o2 sensor still p030 when idle
  30. turn signal problem ('94 STS)
  31. warped heads common?
  32. radiator or head gasket????????
  33. thermostat options
  34. Bad ( burning? ) Smell
  35. ISC replacement
  36. 98 deville spark plugs
  37. Oil Level Sensor
  38. Dropping cradle today, need a bit of guidance
  39. Maff screen remove? power gains?
  40. Runnin without o2 fuses in
  41. Thoughts on G-Tech Pro
  42. PCM Programming for N*?
  43. Decreased Performance ???
  44. anyone use non-"time" serts
  45. Fuel Rail Question...
  46. portability of engine, tranny, etc
  47. Harder than heck to start my
  48. Z-rated 93/94 Seville/Eldo PCM for sale-Ebay
  49. Northstar ETC dynoed
  50. Northstar in an Allante vs an STS?
  51. Long Block Replacement
  52. Leaking Fuel Rail
  53. turning off traction control on '95 sts
  54. New Towing Hitch
  55. Overheating problem just started.
  56. Normal Oil Consumption ???
  57. 112mph???
  58. 93 N* coolant temp sensor
  59. Finally Found PCM Programmer for 96-04 N* OBD-2!!!
  60. Voltage question
  61. Oil Question?????
  62. 97' Cadillac Deville Overheating
  63. ticking throttle
  64. Best Head Gasket Sealer
  65. '94 SLS Crankshaft pully
  66. 99 seville sls
  67. 1/4 mile
  68. radiator fan not spinning
  69. Noisy Lifters
  70. Sticky lifter Update
  71. Expensive Air Filters Worth it???
  72. Coolant system question
  73. hard start when hot, not FPR
  74. An Intresting scan tool
  75. pre 99 N* water pump belt tensioner.
  76. Hard Start/ Fuel Odor
  77. Belt Pulley
  78. coolant flow question
  79. Reading data from OBD II
  80. Inaccurate Battery Voltage Display??
  81. Detonation and Pre-ignition
  82. 94 STS needs help
  83. lifting a northstar
  84. Bosch +2 plugs (report)
  85. OSD says "Change Trans Fluid"
  86. premium at the pump...or is it??
  87. Heating Up
  88. 0-60
  89. More performance
  90. cooling fan problem
  91. 1995 seville pcm problem HELP
  92. Valve Train Question
  93. I keep getting P0404 and P0441? Looking for suggestions...
  94. wiring oil pressure sensor
  95. I keep getting P0404 and P0441
  96. Cooling Fans
  97. Some N* questions
  98. Check Engine Oil Level
  99. This N* is living a good life...
  100. Read TECH TIPS FPR - More Info needed
  101. Intakes
  102. 93 sts running rough only when hot
  103. What does "B2118 - Front Vertical Sensor Failed" mean?
  104. Anti-Sieze and Spark Plugs
  105. Intake Manifold questions - chime in!
  106. thermostat for north star
  107. Preparing for coolant change / Double Checking.
  108. 95 Intake Manifold Interchange?
  109. p0741 trouble code
  110. 1996 4.6 L. Rebuild, what should be replaced.
  111. Replacement parts after reman engine
  112. hardest water pump to install
  113. Sticky-Noisy Valve Lifters, What to Do?
  114. ISC Adjustment Procedure for OBD1 How To
  115. Need Part Number 94 N* INTAKE MANIFOLD
  116. My mechanic wants to put in a new radiator, should I let him?
  117. 94 caddy coolant leak
  118. Crossover measurement
  119. northstar in a fiero
  120. Oil Additive Question
  121. Overheating and low oil pressure
  122. How about no muffler??
  123. Engine rough running misses no power 95 Eldorado 4.6
  124. Borla vs Corsa and others
  125. starter noise, doesn't start
  126. oil pan gasket change, is this quote correct!?
  127. Mixing Coolants.
  128. '95 Concours leaking oil between engine and trans
  129. Time serts for sale
  130. Northstar changes year to year
  131. no power with Traction Control off
  132. Oil Change question.. price???
  133. A/C and vacuum
  134. 10 best engines, N* not 2 b found
  135. 93 runs rough when hot.
  136. Spark Plug Wire Placement
  137. Adjust TCS Sensitivity?
  138. "The power to set it free"
  139. Oil Analysis
  140. Tried Blue Devil?
  141. Overheating HELP!!!
  142. Alternator Removal??
  143. MAF screen missing
  144. Washed My North*
  145. Battery No Charge
  146. PCM programming question
  147. 95 TPS replace
  148. 93 sts fuel filter
  149. Engine Stall
  150. Can 'sticky' EGR cause misfire or similar?
  151. head gasket mileage
  152. Cadillac Dealerships
  153. dexcool flush
  154. 93 sts rough idle and fluttering under acceleration
  155. wanna see performance then mayb you wanna watch this
  156. cam specs for a 1995 sts
  157. Chance of Fire ??
  158. +++++Looking for a "Time-Sert" tool set+++++
  159. +++++Looking for a "Time-Sert" tool set+++++
  160. 97 STS overheating
  161. water pump
  162. oil change and coolant change this friday
  163. 97 SLS misfiring... ?
  164. Mystery Belt (Simple Question)
  165. 95 Aurora OBD I or OBD II
  166. Normal Temp Readings
  167. Northstar for marine use?
  168. 92 Eldo OBD Code help
  169. kick down
  170. WOT in a Aurora 4.0
  171. Low Oil Pressure
  172. When buying a Northstar powered car....
  173. Oil OIl Everywhere Not a drop to spare
  174. Overheating 95 Seville Sls
  175. Rough idle at start-up
  176. Northstar low oil pressure alarm
  177. Nothstar fairytails
  178. rough idling at lights
  179. Anyone know what "P1320 - IC 4X Reference Circuit Intermittent" means?
  180. Codes p0174, b2102, u1064
  181. Prestone EG coolant "new formula"? for 95 SLS N*
  182. Elusive overheating problem solved/excess oil found
  183. NorthStar Head Bolts
  184. 4.6L Parts Supplier and Availability Question
  185. Torque Convertor removal, problem (96 4.6L)
  186. 4.6 Northstar Time-sert headbolt hole repair kit
  187. My 94 seville idles and runs terrible. I've done everything!
  188. oil consumption cured
  189. How often do I clean the throttle body?
  190. 94 A/C Problem
  191. Flushing radiator 98 deville
  192. Help with codes for an 02 Deville....
  193. 95 Eldo Idle/Acceleration????
  194. I'm sure this has been asked
  195. 1997 stalling problem
  196. 10% Ethanol comes to Northeast U.S.
  197. So I've been using 5W30...
  198. My tranny is FUBAR!
  199. Northstart - Blown Head / Headgasket?
  200. HOW TO: Test/Change TPS (99 STS)
  201. Rebuilt Northstar, No Codes, Poor MPG
  202. 4T80E Torque Converter Removal
  203. 97 ETC Complete Exhaust
  204. help with new car
  205. Fuel mileage (Holy cow!!!)
  206. Radiator Sealant
  207. 2000-2004 crank sensors
  208. Transmission squeak?
  209. Missing 9 HP
  210. How good is K&N filters... really?
  211. Leaking anti-freeze poss waterpump area
  212. Timeserts
  213. L37 gear shifts at what speeds?
  214. Rough cold idle...
  215. help in determing this motor
  216. Is there any interest in 93-95 bored throttle bodies?
  217. Temp gauge issue (Question 2)
  218. Fuel gauge issue (Question 1)
  219. Coolant boiling out of overflow
  220. upgrades...K+N =BAD???
  221. Well im alive...
  222. 1999 deville North** lost mileage
  223. Actual N* engine swaps
  224. Coolant Leak
  225. Just bought my first Cadillac-Has green coolant
  226. Any increase MPG tips?
  227. why ios engine running hotter than before
  228. where is the thermostat located in 2003 deville
  229. how to change coolant in 2003 deville
  230. Head Gasket Going
  231. difference between 275 and 300hp N*?
  232. 96-98 Intake parts
  233. Why is the Northstar "better" than the Intech?
  234. Post 2000 N*?
  235. Motor Mount Question
  236. A/C Question 1994 STS
  237. real fast idle
  238. So I Put My Sled On The Dyno Today..
  239. N* Supercharger and Turbo Systems!?!
  240. 93 N* AC bypass belt?
  241. How come N* isn't used in more vehicles?
  242. Switched to Mobil-1 and oil consumption dropped
  243. 2000 deville dts (Engine runs rough when 1st started)
  244. 2 mufflers for cosmetics or performance?
  245. Northstar upgrades?
  246. How difficult is this?
  247. It won't fire!!!!
  248. Northstar stands alone?
  249. Engine on or off during On Board Diagnostics?
  250. timing pics, homemade locating pins, please look