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View Full Version : Northstar Engines and System Technical Discussion



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  1. Anyone ever put on glasspacks on a N*, or heard waht it sounds like?
  2. Code C1217 '99 Seville SLS
  3. transmission is kidna ... odd?
  4. Headgasket replace
  5. Starter Problems
  6. Crank pulley on 94 SLS
  7. Passkey problems and Computer codes
  8. horsepower
  9. Code P065 & uneven idle
  10. Searching for the Northstar- Please Help
  11. Northstar 320 hp crate motor
  12. Life after timeserts
  13. Motor Mount Question
  14. Time-sert Repair Kit
  15. Reapair Manual
  16. Engine Coolant Tenperature
  17. Decipher acronyms?
  18. Infamous Northstar Oil Leak
  19. DTS horsepower
  20. How many Northstars
  21. How Much Transmission Oil?
  22. 94 STS with cruise & idle problem. Please help
  23. Cat
  24. Spark Plug replacement
  25. Pontiac Northstar
  26. 4T80E shift kit??? and pro tech???
  27. radiator coolant
  28. My NorthStar project....
  29. engine coolant tempature
  30. Bad Gas? - the reprecussions
  31. Stuck in the middle??
  32. Has anyone done a performance chip?
  33. Compression Test
  34. Overwrite Obd1
  35. oil spraying everywhere from headgasket
  36. Fuel pressure at idle/WOT?
  37. idle problem
  38. Will Not Start - Think Fuel Pump?
  39. Code help
  40. 97 Lower end thump/knock between 2 and 3k
  41. new STS with true dual exhaust???
  42. '94 N* runs lumpy - hesitates. Any ideas?
  43. Tune Up?
  44. Drive with Trans. Code?
  45. Adding a K&N to 97 N*
  46. 1994 STS Headbolts
  47. N* performance approach?
  48. hard idle on my 94'Deville Concourse
  49. Northstar - Starting Problems
  50. (MAS) questions?????????????
  51. New member, questions and suggestions
  52. PLEASE HELP ME! Northstar is idling fast...
  53. clogged Cat?
  54. Throttle body Helix and MPG?
  55. Car won't start...just my luck
  56. Overheat Cat Caonverter
  57. Iradium Ix Spark Plug
  58. Fuel Injector
  59. wide-open throttle ("WOT")
  60. Need Ideas
  61. # 1 cylinder misfire
  62. NEEED HELP...Anybody near Framingham or Boston MA
  63. Cheapest place to buy plugs and wires for a 97 Deville
  64. northstar eldo fuel
  65. Quietest exhaust muffler
  66. Free Valvoline maxlife
  67. How to ID N* engine
  68. More Muffler advice...experts??
  69. Supercharger for the N*
  70. Exhaust Cam numbers
  71. Rough Idle after 87 Octane
  72. 95 sls cam pulleys & belt
  73. Anyone know ANYTHING about McCord Power Plates?
  74. No More Cadillac's Throw Away Northstar Engine
  75. TCC System Stuck Off
  76. How much does a Northstar Engine weigh??(I searched but did not find the answer)
  77. valve cover gasket replacement
  78. What year is this off of?
  79. 97 STS Cold Start Problem
  80. Compression test for head gasket?
  81. Carfax anyone? Used motor questions...
  82. '01 DTS oil & filter question
  83. What are Timesert's?
  84. Fuel Pump Advice sought - 96 STS
  85. P039 Code On Torque Converter/Clutch How to fix, What does this mean?
  86. What years are compatible with my car year???
  87. Benefits of Northstar
  88. Where to buy factory parts?
  89. Water pump wrench
  90. Recall
  91. Timesert - reg northstar sert kit or Big-sert?
  92. error codes question
  93. y VS 9 ENGINE???
  94. N* Carbon Fouling my plugs, Help !!
  95. Rough Idle
  96. Update on engine project...
  97. Please clear up my confusion
  98. Is this possible?
  99. Rough idle
  100. 93 STS Northstar, Would like some help.
  101. What muffler to buy??
  102. N* Problem
  103. Questions about a Stall Torque Converter ???
  104. Northstar won't start
  105. 94 Seville SLS V8
  106. Help!!!!
  107. Pcm 0420 Code???
  108. Coolent Fan on temp
  109. 94 SLS oil change computer reset./ torques
  110. 94 SLS has bad freeze plug.....
  111. no start
  112. 95 STS-SES indicator
  113. Cradle Dolly
  114. Searching for a GM part number...
  115. Corsa mufflers
  116. $$$$ how much it going to take?
  117. EGR removal after S/S fuel rail
  118. Transmission Questions...
  119. Cradle Bolts...uh oh
  120. knock sensor
  121. pcm p0741 repair estimate
  122. R&I Crankshaft Position Sensor '94 SLS Northstar
  123. Things to know when buying
  124. Where to put coolant pellets?
  125. 1996 Sls Temp Gauge
  126. Finding the lsot 25 HP
  127. 1995 STS MAT sensor replacement
  128. Northstar Time-sert repair, where in nor-Cal?
  129. Runs like S**T
  130. no spark in new motor! HELP!!!
  131. Performance transmission
  132. Coil Pack
  133. Blowing out the engine
  134. Fuel injector leaking at rail contact
  135. P083 Code meaning????
  136. 1997 Deville Transmission Service
  137. How much would you pay?
  138. need a northstar motor
  139. Good Price On New Northstar
  140. N* questions
  141. Need Technical Information about Northstar engine/drivetrain.
  142. OBDII access...its possible
  143. New To Forum...Need Advise On N* Oil Leaks
  144. New Cadillac Owner! Need some help with Northstar motor!
  145. 5 years or 100,000 miles?
  146. Main Bearing pics
  147. Need help with part numbers
  148. Question about vent tube under air fitler box
  149. is 218 hot?
  150. Plastic Smell
  151. 2nd gear launch???
  152. WolfKatz Northstar Fuel Rail build
  153. Engine problem
  154. Northstar "Diesels" when cold
  155. NorthStar with 366 Thousnd Miles
  156. wanted timesert kit northstar
  157. 2000 STS leaking Oil
  158. Stripped maiin bolts
  159. Bbob, anyone, new cadillac engine?
  160. Transmission and code...
  161. 94 Eldo trans code PO56
  162. Splitting spark plugs
  163. bbobynski please teach
  164. 2000 Deville ERROR CODE
  165. Need Help! Check Emissions Light Car Stalling
  166. DTC P0385 Crankshaft Position ??
  167. 1999 Deville has front end rattle
  168. Anyone with sound clip of Ultraflow mufflers??
  169. 97 STS with intermittent hesitation
  170. found cause of coolant smell
  171. Stutter, Engine or Trans?
  172. Help...Service Engine Light
  173. Overheating 93 N*
  174. which timeserts to replace with Bigserts?
  175. 2000 eldorado exhaust options??
  176. can a N* fit in an 89 Deville?
  177. Where to buy Rebuilt-Create NorthStar ??
  178. Parts List for Timesert Repair
  179. Horrible God-aweful squeaking!
  180. New engine in 2002 STS, is it worth it?
  181. Where are Crank Position Sensors on 2000 Deville
  182. Plug wires - what are they good for?
  183. Tranny rebuild
  184. 94 SLS rad fan switching sensor
  185. Miss or Studder around 45-50
  186. How hard to R/R Fuel filter?
  187. How do I get the Temp reading?
  188. Head gasket blown? Help!
  189. Overtightened Balancer
  190. "Check Coolant Level" - on then off?
  191. Spark Plug Wires
  192. Power Steering Assist Intermittent
  193. O2 sensor Question
  194. FSMs and such
  195. Northstar water crossover
  196. 96 Aurora throttle position sensor location
  197. Where can I look up part numbers?
  198. Northstar coolant pellets?
  199. Traction Controll/ ABS Code Question
  200. Turbo chargin the N*? Might be possible!!!
  201. o2 sensor---good/bad ?????
  202. Need Advice: Replacing Rear Bank O2 Sensor 97 Deville
  203. 96 deville north* is missing
  204. My '97 STS tune up experience...
  205. flashing check engine.. shakey idle - 96 sts
  206. Backfiring through intake causes????
  207. Towing Airstream trailer with '94 N*
  208. Slight Coolant Smell....
  209. 94 Eldorado engine revs at stops
  210. Transmission Input Speed Sensor need help??
  211. 95 Sls Service Engine Light
  212. 95 SLS - 2 Fuel Filters????
  213. Torque Converter Operating @ 422 Deg. Celcius?
  214. Hard starting.
  215. Where is the oil level sensor located?
  216. Uneven torque on main bolts?
  217. Code listing for 94 Eldorado
  218. Codes - P0171 & P0174 96 STS
  219. Crank position sensors
  220. 98 deville please help northstar lover with 3 problems
  221. electrical trouble
  222. Oil low pressure on 1996 4.5L Northstar
  223. '97 STS coolant temp - what SHOULD it be?
  224. Spark Plugs, Interesting observation
  225. Strange Knocking. '98 STS
  226. very good find
  227. pulley problem
  228. motor mounts
  229. were can i buy water resourvoir
  230. 1996 Deville dead after hitting rock
  231. I increased gas milage
  232. Deville oil leak
  233. Water Pump Change /Coolant Supplement Question
  234. Squealing pulley?
  235. What is a timesert?
  236. new crankshaft but........
  237. Loud Valve Tapping 2002 Sts
  238. Please Help My Caddy
  239. Water Pump Tensioner Question??
  240. Bbob, question about a P0300
  241. 4T60E Trans............
  242. 4T80E or 4T60E
  243. Water pump tool
  244. Weird DTC message...?
  245. No problems with my N*, how bout you?
  246. It Lives! (again)
  247. Does anyone have a link for OBD2 Code Explanations?
  248. How to pull codes on OBD2 SLS Seville?
  249. Shorted Fuel Pump (Reply to bbobynski)
  250. 96 Deville Need Help! Code P0171