: Northstar Engines and System Technical Discussion



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  1. Summit Turbo Mufflers?
  2. advice on correct coolant temps for 92 eldorado
  3. Is your N* running bad, hesitating, missing??
  4. Head gasket replacement
  5. Can DIC messages be cleared for good??
  6. Code I039??
  7. blown head gasket
  8. Strange rhythmic vibration 2000 DTS
  9. Electronic Speedometer Display
  10. Blue Devil Engine & Cooling system Sealer!?
  11. Major problems at 80K miles. Is this normal?
  12. Buzzing and ringing...
  13. Performance mod
  14. "flapper door" replacement?
  15. OBDII Programmers
  16. Limp Home what is it??
  17. 99 N doesnt come with factory strut tower bar?
  18. Before And After....(Mufflers)
  19. witch fuse?
  20. Coolant Change 98 Deville
  21. 96 Sedan Deville-Where is the thermostat located
  22. Engine Codes PC0300 & RF2560
  23. Hotrod with the N*
  24. Engine Swap Info
  25. chugging N*
  26. OK, tired of Headgasket worry...
  27. 96 SLS burning oil like it's gas
  28. Remove the water pump pulley
  29. Tool to remove the water pump pulley
  30. 95 Deville Oil Presure
  31. engine died
  32. Tune Up Time!
  33. 97eldo Need Help
  34. missing bolts on side of oilpan and A-frame...
  35. Torque strut removal and "engine tilt"
  36. Thread inserts?
  37. Can you use 10W-40 in a Northstar
  38. Are AC/Delco parts available only at the dealer?
  39. '98 Deville Rough Idle, Shaking, Stuttering Under Acceleration
  40. How do you properly use pellets? Northstar
  41. Engine seems to misfire a bit when it's cold or damp out
  42. coolant coming out of overflow hose like faucet '97 Eldo
  43. SES Misfiring DTC P0300 My hunch is.....
  44. Oil cooler line leak, 4.6 N*
  45. Tightening time saver and accuracy improved with simple trick
  46. It Happened,the dreaded overheat!
  47. Oil pump - what is the grove and the port for
  48. Any performance parts for the N*?
  49. Intermediate timeing chain shaft - O ring?
  50. 98 Eldo N* 4.6 Overheating
  51. ZEX ordered....
  52. Latest head bolt tightening spec?
  53. Corsa scrwwed me over!
  54. Help with emissions system
  55. Supercharged Northstar
  56. Bbob?? Could you look at this Link?
  57. My water pump belt is dancing around...
  58. Belt Tensioner Condition - Bboby?
  59. Northstar Timing Chain Re-Install & Head Gasket Re-install Feedback........
  60. '98 deville idle
  61. intake kit
  62. WOT advice
  63. SeaFoam Opinions...
  64. GXP-ify my sts?
  65. caprice vs Seville sts
  66. water pump/thermostat crossover housing leaking again
  67. Oil in spark plug chamber, How Bad Is This?
  68. Bizarre Coolant- A/C problem 98 Deville!!!
  69. Anybody got a stock calpack?
  70. Question about climate control.
  71. Remanufactured Northstar Engine
  72. 98 eldo jerking while stopped
  73. Dex Cool.....What going on?
  74. Compression test results 98 Seville
  75. Failed emissions test
  76. just bought 97 eldo std.
  77. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  78. Low Coolant Level
  79. Alternative to Platinum Plugs?
  80. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  81. Northstar oilpan
  82. 95 deville blown head gasket
  83. 3 qts oil in 3000 miles?
  84. 5% discount on parts!
  85. Things I should do when changing engines
  86. egr bench test / disassembly ?
  87. '98 cam to waterpump belt
  88. direct flow air filter intake
  89. belt
  90. Transmission Problem Not Sure Need Help Bad!!!!!!!
  91. Dex Cool is eating the gaskets?!!!
  92. 2003 SLS ECM code: DTC "P0300
  93. Cleaning fuel injectors
  94. Oversize pistons? Undersize bearings?
  95. HeadGasket
  96. oil smoke -- any suggestions?
  97. New to North stars
  98. AC 41-900 Replaced with the 41-950 plug
  99. Long Crankin
  100. egr valve test?
  101. AC Compressor changeout - success -
  102. Oil Question
  103. Question about the EGR valve
  104. My oil drain plug magnet is missing
  105. Code P1350
  106. aftermarket catalytic converter
  107. 93 STS starting problem
  108. N*--Built by ISUZU????
  109. Few STS questions..engine, suspension??
  110. Average Cost to replace Tranny on N*?
  111. Buying the Juice....
  112. Oil Residue/grease on section of Air filter on 96 N* Why?
  113. Oil level sensor (check oil level)
  114. loud noise in valve cover ?
  115. not licking to stop and slight oil leak
  116. Cracked oil pan...
  117. Magnaflow Hi Flow Cats
  118. Main Acc Drivebelt - Whine & Grind Noises
  119. a few questions i have.
  120. ZDP Right ? Bad ?
  121. Crossover changed, now smoking anit-freeze?
  122. P036 Since changing crossover
  123. Boggy Accel
  124. references for understanding the N*?
  125. Vapor lock
  126. Torque Sequence and Lbs for NStar Heads BBob??
  127. Water Pump Housing
  128. Best High-flow cat
  129. the Northstar and cams???
  130. motor swap 94 to 97 Relocation of air sensor
  131. Quick Question
  132. Probly Not a New Question - Oil Pan Leak
  133. starting problem
  134. Idle surging
  135. Northstar Help
  136. Crank Position Sensor Symptoms and Replacement
  137. Water Pump ?
  138. RWD Northstar? Gofast Parts?
  139. My Idea!!!!!!
  140. Main thread pulled out
  141. Tranny trouble again.
  142. 00 DTS - Starting issue
  143. Timesert or not?
  144. 2000 N* into a '96 DeVille?
  145. Run mid-grade every other tank?
  146. P0741 & P1860
  147. How warm do I warm my car up?
  148. Exhaust manifolds: removed with engine in place?
  149. Burning Coolant
  150. Performance questions!!!!
  151. Regular fuel change ecm program
  152. TCS C1233 and ignition problem? 97 SLS
  153. Remote mirror removal & repair questions
  154. Where is my gas filter? 97 STS
  155. Oil Burning Eldo, 1997 Etc..
  156. Northstar Intermittent misfire-Pulling hair out!!
  157. 96 concours code help!!
  158. Performance chips...scam?
  159. Some unanswered throttle body cleaning questions
  160. 1996 sts - "NO IRC DATA"
  161. 1996 DeVille won't start
  162. EGR valve removal.. need a bit of help
  163. lift
  164. Bbob - a leason on sealers, please!
  165. Need Options...coolant blowing out...
  166. Code P0335 on 2001 STS
  167. benlomand
  168. Possible Main Bearing Knock....what to do?
  169. ***********
  170. compression check out of car
  171. n* check coolant level on 97 deville
  172. BBob need help
  173. Air intake "twister"?
  174. smell coolant? check freezeplugs
  175. Help with PC0174 code
  176. rss c1769 code.. help !
  177. NorthStar Reputation..
  178. RTD means??
  179. 1996 SLS Won't Disengage Parking brake when put into gear?
  180. LD8 L37 comparison...which is really quicker?
  181. N* coolant problem
  182. Does A Northstar Have Mds?
  183. thanks to bbob, ranger, etc.
  184. What's up with the new "Universal" coolant? (Bbob?)
  185. I'm being ROBBED! (of hp)
  186. using non-GM spark plug wires?
  187. How many have blown Northstars
  188. Water Pump Replacement
  189. CD-ROM Service Manuals
  190. HELP: BPTB, AC compressor
  191. Replaced A And B Shift Still Actin Funny
  192. p094 code - where is the soleniod located?
  193. service vehicle soon !!!!!!
  194. Help with removing Northstar coolant crossover
  195. error code
  196. supercharger??
  197. OK, who else needs a timesert kit????
  198. Can the Northstar be rebuilt?
  199. Using oil....but where?
  200. VIN Code "9"
  201. Head gasket and mileage...
  202. 96 Eldorado trouble code PC 0420...
  203. My First problem with my 2001 DTS if anyone can help?
  204. 97 deville cooling system
  205. air bag
  206. Dead #1 - Stumped & DisCUSSeded!
  207. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  208. Northstar Head Gasket.. What Parts Needed???
  209. 94 concours rough idle when hot
  210. Where does a coolant change go into?
  211. Oil Pump - how to inspect and test out of engine
  212. Possible for Trans. Solenoids not to show a code?
  213. Code AC1348 on 1996 seville SlS what does it mean?
  214. AAA Extended Warranty
  215. Technical Service Bulletins
  216. 94 concours, test your knowledge
  217. My car Quacks
  218. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  219. s/s fuel rail removal to get to EGR...
  220. Transmission codes
  221. Which pistons can and should I use
  222. Fastest NORTHSTAR
  223. changing out serpentine tensioner
  224. Service engine soon light-94 concours
  225. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  226. Motor Oil Choice
  227. Finding coolant leak...need help
  228. Oil Under Intake 94 Northstar
  229. Engine Coolant Temperature 190-201 F
  230. Engine misfire/stall codes
  231. How do I clear codes?
  232. '95 SLS high idling temperature
  233. Right Milage?
  234. Removing the dowels
  235. What is normal engine temp for the northstar?
  236. What mods is available for my 94 SLS ???
  237. Is There a Bar’s Leak pellet usage limit???
  238. oil pressure low...engine getting hotter
  239. Replacing Belt Idler & belt - HELP!
  240. Head bolts & time-serts?
  241. Fuel filter R&r
  242. 98 SLS Overheating in minutes
  243. 96 deville fuel pressure regulator?
  244. blower motor control issues
  245. '96 Deville SES light on and hard to start
  246. Where can i find a supercharger
  247. Northstar Engine assembly - instructions
  248. 4T80E down shifting RPM 4000
  249. coolant leak
  250. Low Oil Pressure???