: Northstar Engines and System Technical Discussion



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  1. Aftermarker engine computers
  2. Need oversize timesert kit
  3. Timesert Process and Cost
  4. Water pump changed, still leaking coolant !!
  5. Running rough, really baffled
  6. Code P0420
  7. PCM Overrides?
  8. 97 concours service engine soon no codes
  9. Help
  10. Idle speed control actuator (motor)
  11. want more power!
  12. my return,enter 1994 cadillac STS (callista II)
  13. Bolt size to put on engine stand
  14. some code questions
  15. 95 seville code P039
  16. arcing at 7/8 coil???
  17. Failing fuel pump...
  18. oil under the intake
  19. Little update on my progress
  20. Very odd smell ???
  21. EGR cleaning
  22. Weird problem... or maybe not.
  23. Northstar Maf Table...i Need
  24. Time used to install twenty head-bolt time-serts
  25. Exhaust Sounds and vid
  26. temp display revisited....
  27. 96 Deville Need Help! Code P0171
  28. Shorted Fuel Pump (Reply to bbobynski)
  29. How to pull codes on OBD2 SLS Seville?
  30. Does anyone have a link for OBD2 Code Explanations?
  31. It Lives! (again)
  32. No problems with my N*, how bout you?
  33. Weird DTC message...?
  34. Water pump tool
  35. 4T80E or 4T60E
  36. 4T60E Trans............
  37. Bbob, question about a P0300
  38. Water Pump Tensioner Question??
  39. Please Help My Caddy
  40. Loud Valve Tapping 2002 Sts
  41. new crankshaft but........
  42. What is a timesert?
  43. Squealing pulley?
  44. Water Pump Change /Coolant Supplement Question
  45. Deville oil leak
  46. I increased gas milage
  47. 1996 Deville dead after hitting rock
  48. were can i buy water resourvoir
  49. motor mounts
  50. pulley problem
  51. very good find
  52. Strange Knocking. '98 STS
  53. Spark Plugs, Interesting observation
  54. '97 STS coolant temp - what SHOULD it be?
  55. Oil low pressure on 1996 4.5L Northstar
  56. electrical trouble
  57. 98 deville please help northstar lover with 3 problems
  58. Crank position sensors
  59. Codes - P0171 & P0174 96 STS
  60. Code listing for 94 Eldorado
  61. Uneven torque on main bolts?
  62. Where is the oil level sensor located?
  63. Hard starting.
  64. Torque Converter Operating @ 422 Deg. Celcius?
  65. 95 SLS - 2 Fuel Filters????
  66. 95 Sls Service Engine Light
  67. Transmission Input Speed Sensor need help??
  68. 94 Eldorado engine revs at stops
  69. Slight Coolant Smell....
  70. Towing Airstream trailer with '94 N*
  71. Backfiring through intake causes????
  72. flashing check engine.. shakey idle - 96 sts
  73. My '97 STS tune up experience...
  74. 96 deville north* is missing
  75. Need Advice: Replacing Rear Bank O2 Sensor 97 Deville
  76. o2 sensor---good/bad ?????
  77. Turbo chargin the N*? Might be possible!!!
  78. Traction Controll/ ABS Code Question
  79. Northstar coolant pellets?
  80. Where can I look up part numbers?
  81. 96 Aurora throttle position sensor location
  82. Northstar water crossover
  83. FSMs and such
  84. O2 sensor Question
  85. Power Steering Assist Intermittent
  86. Spark Plug Wires
  87. "Check Coolant Level" - on then off?
  88. Overtightened Balancer
  89. Head gasket blown? Help!
  90. How do I get the Temp reading?
  91. How hard to R/R Fuel filter?
  92. Miss or Studder around 45-50
  93. 94 SLS rad fan switching sensor
  94. Tranny rebuild
  95. Plug wires - what are they good for?
  96. Where are Crank Position Sensors on 2000 Deville
  97. New engine in 2002 STS, is it worth it?
  98. Horrible God-aweful squeaking!
  99. Parts List for Timesert Repair
  100. Where to buy Rebuilt-Create NorthStar ??
  101. can a N* fit in an 89 Deville?
  102. 2000 eldorado exhaust options??
  103. which timeserts to replace with Bigserts?
  104. Overheating 93 N*
  105. Help...Service Engine Light
  106. Stutter, Engine or Trans?
  107. found cause of coolant smell
  108. 97 STS with intermittent hesitation
  109. Anyone with sound clip of Ultraflow mufflers??
  110. 1999 Deville has front end rattle
  111. DTC P0385 Crankshaft Position ??
  112. Need Help! Check Emissions Light Car Stalling
  113. 2000 Deville ERROR CODE
  114. bbobynski please teach
  115. Splitting spark plugs
  116. 94 Eldo trans code PO56
  117. Transmission and code...
  118. Bbob, anyone, new cadillac engine?
  119. Stripped maiin bolts
  120. 2000 STS leaking Oil
  121. wanted timesert kit northstar
  122. NorthStar with 366 Thousnd Miles
  123. Northstar "Diesels" when cold
  124. Engine problem
  125. WolfKatz Northstar Fuel Rail build
  126. 2nd gear launch???
  127. Plastic Smell
  128. is 218 hot?
  129. Question about vent tube under air fitler box
  130. Need help with part numbers
  131. Main Bearing pics
  132. 5 years or 100,000 miles?
  133. New Cadillac Owner! Need some help with Northstar motor!
  134. New To Forum...Need Advise On N* Oil Leaks
  135. OBDII access...its possible
  136. Need Technical Information about Northstar engine/drivetrain.
  137. N* questions
  138. Good Price On New Northstar
  139. need a northstar motor
  140. How much would you pay?
  141. 1997 Deville Transmission Service
  142. P083 Code meaning????
  143. Fuel injector leaking at rail contact
  144. Blowing out the engine
  145. Coil Pack
  146. Performance transmission
  147. no spark in new motor! HELP!!!
  148. Runs like S**T
  149. Northstar Time-sert repair, where in nor-Cal?
  150. 1995 STS MAT sensor replacement
  151. Finding the lsot 25 HP
  152. 1996 Sls Temp Gauge
  153. Where to put coolant pellets?
  154. Things to know when buying
  155. R&I Crankshaft Position Sensor '94 SLS Northstar
  156. pcm p0741 repair estimate
  157. knock sensor
  158. Cradle Bolts...uh oh
  159. Transmission Questions...
  160. EGR removal after S/S fuel rail
  161. $$$$ how much it going to take?
  162. Corsa mufflers
  163. Searching for a GM part number...
  164. Cradle Dolly
  165. 95 STS-SES indicator
  166. no start
  167. 94 SLS has bad freeze plug.....
  168. 94 SLS oil change computer reset./ torques
  169. Coolent Fan on temp
  170. Pcm 0420 Code???
  171. Help!!!!
  172. 94 Seville SLS V8
  173. Northstar won't start
  174. Questions about a Stall Torque Converter ???
  175. N* Problem
  176. What muffler to buy??
  177. 93 STS Northstar, Would like some help.
  178. Rough idle
  179. Is this possible?
  180. Please clear up my confusion
  181. Update on engine project...
  182. Rough Idle
  183. N* Carbon Fouling my plugs, Help !!
  184. y VS 9 ENGINE???
  185. error codes question
  186. Timesert - reg northstar sert kit or Big-sert?
  187. Recall
  188. Water pump wrench
  189. Where to buy factory parts?
  190. Benefits of Northstar
  191. What years are compatible with my car year???
  192. P039 Code On Torque Converter/Clutch How to fix, What does this mean?
  193. Fuel Pump Advice sought - 96 STS
  194. What are Timesert's?
  195. '01 DTS oil & filter question
  196. Carfax anyone? Used motor questions...
  197. Compression test for head gasket?
  198. 97 STS Cold Start Problem
  199. What year is this off of?
  200. valve cover gasket replacement
  201. How much does a Northstar Engine weigh??(I searched but did not find the answer)
  202. TCC System Stuck Off
  203. No More Cadillac's Throw Away Northstar Engine
  204. Anyone know ANYTHING about McCord Power Plates?
  205. 95 sls cam pulleys & belt
  206. Rough Idle after 87 Octane
  207. Exhaust Cam numbers
  208. Supercharger for the N*
  209. More Muffler advice...experts??
  210. How to ID N* engine
  211. Free Valvoline maxlife
  212. Quietest exhaust muffler
  213. northstar eldo fuel
  214. Cheapest place to buy plugs and wires for a 97 Deville
  215. NEEED HELP...Anybody near Framingham or Boston MA
  216. # 1 cylinder misfire
  217. Need Ideas
  218. wide-open throttle ("WOT")
  219. Fuel Injector
  220. Iradium Ix Spark Plug
  221. Overheat Cat Caonverter
  222. Car won't start...just my luck
  223. Throttle body Helix and MPG?
  224. clogged Cat?
  225. PLEASE HELP ME! Northstar is idling fast...
  226. New member, questions and suggestions
  227. (MAS) questions?????????????
  228. Northstar - Starting Problems
  229. hard idle on my 94'Deville Concourse
  230. N* performance approach?
  231. 1994 STS Headbolts
  232. Adding a K&N to 97 N*
  233. Drive with Trans. Code?
  234. Tune Up?
  235. '94 N* runs lumpy - hesitates. Any ideas?
  236. new STS with true dual exhaust???
  237. 97 Lower end thump/knock between 2 and 3k
  238. Code help
  239. Will Not Start - Think Fuel Pump?
  240. idle problem
  241. Fuel pressure at idle/WOT?
  242. oil spraying everywhere from headgasket
  243. Overwrite Obd1
  244. Compression Test
  245. Has anyone done a performance chip?
  246. Stuck in the middle??
  247. Bad Gas? - the reprecussions
  248. engine coolant tempature
  249. My NorthStar project....
  250. radiator coolant