: Northstar Engines and System Technical Discussion



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  1. Northstar ETC dynoed
  2. Northstar in an Allante vs an STS?
  3. Long Block Replacement
  4. Leaking Fuel Rail
  5. turning off traction control on '95 sts
  6. New Towing Hitch
  7. Overheating problem just started.
  8. Normal Oil Consumption ???
  9. 112mph???
  10. 93 N* coolant temp sensor
  11. Finally Found PCM Programmer for 96-04 N* OBD-2!!!
  12. Voltage question
  13. Oil Question?????
  14. 97' Cadillac Deville Overheating
  15. ticking throttle
  16. Best Head Gasket Sealer
  17. '94 SLS Crankshaft pully
  18. 99 seville sls
  19. 1/4 mile
  20. radiator fan not spinning
  21. Noisy Lifters
  22. Sticky lifter Update
  23. Expensive Air Filters Worth it???
  24. Coolant system question
  25. hard start when hot, not FPR
  26. An Intresting scan tool
  27. pre 99 N* water pump belt tensioner.
  28. Hard Start/ Fuel Odor
  29. Belt Pulley
  30. coolant flow question
  31. Reading data from OBD II
  32. Inaccurate Battery Voltage Display??
  33. Detonation and Pre-ignition
  34. 94 STS needs help
  35. lifting a northstar
  36. Bosch +2 plugs (report)
  37. OSD says "Change Trans Fluid"
  38. premium at the pump...or is it??
  39. Heating Up
  40. 0-60
  41. More performance
  42. cooling fan problem
  43. 1995 seville pcm problem HELP
  44. Valve Train Question
  45. I keep getting P0404 and P0441? Looking for suggestions...
  46. wiring oil pressure sensor
  47. I keep getting P0404 and P0441
  48. Cooling Fans
  49. Some N* questions
  50. Check Engine Oil Level
  51. This N* is living a good life...
  52. Read TECH TIPS FPR - More Info needed
  53. Intakes
  54. 93 sts running rough only when hot
  55. What does "B2118 - Front Vertical Sensor Failed" mean?
  56. Anti-Sieze and Spark Plugs
  57. Intake Manifold questions - chime in!
  58. thermostat for north star
  59. Preparing for coolant change / Double Checking.
  60. 95 Intake Manifold Interchange?
  61. p0741 trouble code
  62. 1996 4.6 L. Rebuild, what should be replaced.
  63. Replacement parts after reman engine
  64. hardest water pump to install
  65. Sticky-Noisy Valve Lifters, What to Do?
  66. ISC Adjustment Procedure for OBD1 How To
  67. Need Part Number 94 N* INTAKE MANIFOLD
  68. My mechanic wants to put in a new radiator, should I let him?
  69. 94 caddy coolant leak
  70. Crossover measurement
  71. northstar in a fiero
  72. Oil Additive Question
  73. Overheating and low oil pressure
  74. How about no muffler??
  75. Engine rough running misses no power 95 Eldorado 4.6
  76. Borla vs Corsa and others
  77. starter noise, doesn't start
  78. oil pan gasket change, is this quote correct!?
  79. Mixing Coolants.
  80. '95 Concours leaking oil between engine and trans
  81. Time serts for sale
  82. Northstar changes year to year
  83. no power with Traction Control off
  84. Oil Change question.. price???
  85. A/C and vacuum
  86. 10 best engines, N* not 2 b found
  87. 93 runs rough when hot.
  88. Spark Plug Wire Placement
  89. Adjust TCS Sensitivity?
  90. "The power to set it free"
  91. Oil Analysis
  92. Tried Blue Devil?
  93. Overheating HELP!!!
  94. Alternator Removal??
  95. MAF screen missing
  96. Washed My North*
  97. Battery No Charge
  98. PCM programming question
  99. 95 TPS replace
  100. 93 sts fuel filter
  101. Engine Stall
  102. Can 'sticky' EGR cause misfire or similar?
  103. head gasket mileage
  104. Cadillac Dealerships
  105. dexcool flush
  106. 93 sts rough idle and fluttering under acceleration
  107. wanna see performance then mayb you wanna watch this
  108. cam specs for a 1995 sts
  109. Chance of Fire ??
  110. +++++Looking for a "Time-Sert" tool set+++++
  111. +++++Looking for a "Time-Sert" tool set+++++
  112. 97 STS overheating
  113. water pump
  114. oil change and coolant change this friday
  115. 97 SLS misfiring... ?
  116. Mystery Belt (Simple Question)
  117. 95 Aurora OBD I or OBD II
  118. Normal Temp Readings
  119. Northstar for marine use?
  120. 92 Eldo OBD Code help
  121. kick down
  122. WOT in a Aurora 4.0
  123. Low Oil Pressure
  124. When buying a Northstar powered car....
  125. Oil OIl Everywhere Not a drop to spare
  126. Overheating 95 Seville Sls
  127. Rough idle at start-up
  128. Northstar low oil pressure alarm
  129. Nothstar fairytails
  130. rough idling at lights
  131. Anyone know what "P1320 - IC 4X Reference Circuit Intermittent" means?
  132. Codes p0174, b2102, u1064
  133. Prestone EG coolant "new formula"? for 95 SLS N*
  134. Elusive overheating problem solved/excess oil found
  135. NorthStar Head Bolts
  136. 4.6L Parts Supplier and Availability Question
  137. Torque Convertor removal, problem (96 4.6L)
  138. 4.6 Northstar Time-sert headbolt hole repair kit
  139. My 94 seville idles and runs terrible. I've done everything!
  140. oil consumption cured
  141. How often do I clean the throttle body?
  142. 94 A/C Problem
  143. Flushing radiator 98 deville
  144. Help with codes for an 02 Deville....
  145. 95 Eldo Idle/Acceleration????
  146. I'm sure this has been asked
  147. 1997 stalling problem
  148. 10% Ethanol comes to Northeast U.S.
  149. So I've been using 5W30...
  150. My tranny is FUBAR!
  151. Northstart - Blown Head / Headgasket?
  152. HOW TO: Test/Change TPS (99 STS)
  153. Rebuilt Northstar, No Codes, Poor MPG
  154. 4T80E Torque Converter Removal
  155. 97 ETC Complete Exhaust
  156. help with new car
  157. Fuel mileage (Holy cow!!!)
  158. Radiator Sealant
  159. 2000-2004 crank sensors
  160. Transmission squeak?
  161. Missing 9 HP
  162. How good is K&N filters... really?
  163. Leaking anti-freeze poss waterpump area
  164. Timeserts
  165. L37 gear shifts at what speeds?
  166. Rough cold idle...
  167. help in determing this motor
  168. Is there any interest in 93-95 bored throttle bodies?
  169. Temp gauge issue (Question 2)
  170. Fuel gauge issue (Question 1)
  171. Coolant boiling out of overflow
  172. upgrades...K+N =BAD???
  173. Well im alive...
  174. 1999 deville North** lost mileage
  175. Actual N* engine swaps
  176. Coolant Leak
  177. Just bought my first Cadillac-Has green coolant
  178. Any increase MPG tips?
  179. why ios engine running hotter than before
  180. where is the thermostat located in 2003 deville
  181. how to change coolant in 2003 deville
  182. Head Gasket Going
  183. difference between 275 and 300hp N*?
  184. 96-98 Intake parts
  185. Why is the Northstar "better" than the Intech?
  186. Post 2000 N*?
  187. Motor Mount Question
  188. A/C Question 1994 STS
  189. real fast idle
  190. So I Put My Sled On The Dyno Today..
  191. N* Supercharger and Turbo Systems!?!
  192. 93 N* AC bypass belt?
  193. How come N* isn't used in more vehicles?
  194. Switched to Mobil-1 and oil consumption dropped
  195. 2000 deville dts (Engine runs rough when 1st started)
  196. 2 mufflers for cosmetics or performance?
  197. Northstar upgrades?
  198. How difficult is this?
  199. It won't fire!!!!
  200. Northstar stands alone?
  201. Engine on or off during On Board Diagnostics?
  202. timing pics, homemade locating pins, please look
  203. HELP! Need part number........
  204. AC Recharging Help
  205. About those electric superchargers...
  206. Possibly the best sounding N*?
  207. $660 tune up for 95 STS??!!
  208. Engine Temp. Sensor
  209. When do I replace the AC Compressor
  210. 94 SLS 4.6l, code P071
  211. 130mph??
  212. oil filter adapter
  213. 94 to 97 Northstar interchange question
  214. Bad batch of DELCO PLATINUM 41-950 SPARK PLUGS
  215. How long should plugs/wires last?
  216. Easy question - which is right and which is left?
  217. Tell me how to do a WOT.
  218. How did this guy do burnouts?
  219. 95 Eldorado occasional starting problem.
  220. Coolant change Air purging?
  221. two torque sequences?
  222. mystery oil leak
  223. Still Can't Get The Front Valve Cover Off!!!
  224. Ignition System Problems
  225. This sounds dumb but I'm gonna ask anyway - air intake question
  226. A/C recharge
  227. API grades
  228. Engine Difference between 97' & 99' STS?
  229. part# for speedy sleeve
  230. Post Head gasket job (need Veteran rebuilders advise)
  231. 94 concours acting up..
  232. Trans Question 01 DTS
  233. Engine Error Codes...Please Help
  234. 4.6 L NorthStar Engine Design Questions
  235. multi miss fire multi codes 1996 dev
  236. Have a big ?
  237. What does it all mean?
  238. Metal flakes in engine oil
  239. latest lower end seal job procedure
  240. OBDII Tuner software for Northstar.
  241. Poor gas mileage in aurora 4.0
  242. Northstar Head Gasket, which side, which jug is more common
  243. Code P1415 help?
  244. need new O2s
  245. 2002 Deville transmission
  246. Wanted:1999 4.6 NorthStar leak-down values
  247. MAP Sensor relocation
  248. Can someone explain HOW my injectors went bad?
  249. Bad Mileage Not Fpr
  250. 1999 Cadillac STS Exhaust Mufflers