: Northstar Engines and System Technical Discussion



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  1. MAP Problem?
  2. ECM/PCM Tuning
  3. New Northstar Motor Breakin ??
  4. Never fill up on gas when...
  5. Another overheat thread: '97 Deville N*
  6. Tune Up
  7. Northstar Timing Chains
  8. Do you have a Time-Sert kit, please help ?
  9. blown head or water pump
  10. 1996 Deville Won't Shift Stays in One gear Need Help Serious Techs
  11. Can a Water Pump Be Bad Without Leaking Or Making Noise?
  12. loose power steering rack
  13. Y / 9 What's the Difference?
  14. Blown head gasket repair? 96 deville
  15. 99 STS Starting hard, STALLING..Help!!
  16. Venting Cooling System?? Drill Hole??
  17. COP - Coil over Plug Question
  18. intake plenum bolt
  19. *98 Deville- Coolant in Oil?
  20. Code P076 on 94 STS and hard shifting help!
  21. 96 deville poping and rough running
  22. Tune Up on North*???
  23. Oil misinformation
  24. Just ordered used engine
  25. Honestly, how much interest in S/C or T/C the N*
  26. Cooling fan "on" temp?
  27. Nitrous?
  28. PCV Rattle
  29. Occasional tranny slippage: Shift solenoid???
  30. 93 eldorado northstar stalls out plz help!
  31. Racing Junk heads
  32. My Caddy won't start.....help!!
  33. Northstar TIME-SERT Kit for Sale.....
  34. 1st Self Work on 1994 STS
  35. How many miles can I drive my 1996? Problems will be?
  36. Engine died & no codes?
  37. Plumbing help on 99 STS
  38. WOT vs 4T80E vs. Timing Chain
  39. Exhaust Vids
  40. 99 STS Starting hard then STALLING..Help!!
  41. How did this happen?
  42. overheats sometimes
  43. Heat / AC cover ?
  44. ignition switch
  45. 94 Concours prob. after EGR cleaning P036
  46. 98 STS Motor mount busted
  47. Help with 98 STS part.
  48. Summit Turbo Mufflers?
  49. advice on correct coolant temps for 92 eldorado
  50. Is your N* running bad, hesitating, missing??
  51. Head gasket replacement
  52. Can DIC messages be cleared for good??
  53. Code I039??
  54. blown head gasket
  55. Strange rhythmic vibration 2000 DTS
  56. Electronic Speedometer Display
  57. Blue Devil Engine & Cooling system Sealer!?
  58. Major problems at 80K miles. Is this normal?
  59. Buzzing and ringing...
  60. Performance mod
  61. "flapper door" replacement?
  62. OBDII Programmers
  63. Limp Home what is it??
  64. 99 N doesnt come with factory strut tower bar?
  65. Before And After....(Mufflers)
  66. witch fuse?
  67. Coolant Change 98 Deville
  68. 96 Sedan Deville-Where is the thermostat located
  69. Engine Codes PC0300 & RF2560
  70. Hotrod with the N*
  71. Engine Swap Info
  72. chugging N*
  73. OK, tired of Headgasket worry...
  74. 96 SLS burning oil like it's gas
  75. Remove the water pump pulley
  76. Tool to remove the water pump pulley
  77. 95 Deville Oil Presure
  78. engine died
  79. Tune Up Time!
  80. 97eldo Need Help
  81. missing bolts on side of oilpan and A-frame...
  82. Torque strut removal and "engine tilt"
  83. Thread inserts?
  84. Can you use 10W-40 in a Northstar
  85. Are AC/Delco parts available only at the dealer?
  86. '98 Deville Rough Idle, Shaking, Stuttering Under Acceleration
  87. How do you properly use pellets? Northstar
  88. Engine seems to misfire a bit when it's cold or damp out
  89. coolant coming out of overflow hose like faucet '97 Eldo
  90. SES Misfiring DTC P0300 My hunch is.....
  91. Oil cooler line leak, 4.6 N*
  92. Tightening time saver and accuracy improved with simple trick
  93. It Happened,the dreaded overheat!
  94. Oil pump - what is the grove and the port for
  95. Any performance parts for the N*?
  96. Intermediate timeing chain shaft - O ring?
  97. 98 Eldo N* 4.6 Overheating
  98. ZEX ordered....
  99. Latest head bolt tightening spec?
  100. Corsa scrwwed me over!
  101. Help with emissions system
  102. Supercharged Northstar
  103. Bbob?? Could you look at this Link?
  104. My water pump belt is dancing around...
  105. Belt Tensioner Condition - Bboby?
  106. Northstar Timing Chain Re-Install & Head Gasket Re-install Feedback........
  107. '98 deville idle
  108. intake kit
  109. WOT advice
  110. SeaFoam Opinions...
  111. GXP-ify my sts?
  112. caprice vs Seville sts
  113. water pump/thermostat crossover housing leaking again
  114. Oil in spark plug chamber, How Bad Is This?
  115. Bizarre Coolant- A/C problem 98 Deville!!!
  116. Anybody got a stock calpack?
  117. Question about climate control.
  118. Remanufactured Northstar Engine
  119. 98 eldo jerking while stopped
  120. Dex Cool.....What going on?
  121. Compression test results 98 Seville
  122. Failed emissions test
  123. just bought 97 eldo std.
  124. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  125. Low Coolant Level
  126. Alternative to Platinum Plugs?
  127. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  128. Northstar oilpan
  129. 95 deville blown head gasket
  130. 3 qts oil in 3000 miles?
  131. 5% discount on parts!
  132. Things I should do when changing engines
  133. egr bench test / disassembly ?
  134. '98 cam to waterpump belt
  135. direct flow air filter intake
  136. belt
  137. Transmission Problem Not Sure Need Help Bad!!!!!!!
  138. Dex Cool is eating the gaskets?!!!
  139. 2003 SLS ECM code: DTC "P0300
  140. Cleaning fuel injectors
  141. Oversize pistons? Undersize bearings?
  142. HeadGasket
  143. oil smoke -- any suggestions?
  144. New to North stars
  145. AC 41-900 Replaced with the 41-950 plug
  146. Long Crankin
  147. egr valve test?
  148. AC Compressor changeout - success -
  149. Oil Question
  150. Question about the EGR valve
  151. My oil drain plug magnet is missing
  152. Code P1350
  153. aftermarket catalytic converter
  154. 93 STS starting problem
  155. N*--Built by ISUZU????
  156. Few STS questions..engine, suspension??
  157. Average Cost to replace Tranny on N*?
  158. Buying the Juice....
  159. Oil Residue/grease on section of Air filter on 96 N* Why?
  160. Oil level sensor (check oil level)
  161. loud noise in valve cover ?
  162. not licking to stop and slight oil leak
  163. Cracked oil pan...
  164. Magnaflow Hi Flow Cats
  165. Main Acc Drivebelt - Whine & Grind Noises
  166. a few questions i have.
  167. ZDP Right ? Bad ?
  168. Crossover changed, now smoking anit-freeze?
  169. P036 Since changing crossover
  170. Boggy Accel
  171. references for understanding the N*?
  172. Vapor lock
  173. Torque Sequence and Lbs for NStar Heads BBob??
  174. Water Pump Housing
  175. Best High-flow cat
  176. the Northstar and cams???
  177. motor swap 94 to 97 Relocation of air sensor
  178. Quick Question
  179. Probly Not a New Question - Oil Pan Leak
  180. starting problem
  181. Idle surging
  182. Northstar Help
  183. Crank Position Sensor Symptoms and Replacement
  184. Water Pump ?
  185. RWD Northstar? Gofast Parts?
  186. My Idea!!!!!!
  187. Main thread pulled out
  188. Tranny trouble again.
  189. 00 DTS - Starting issue
  190. Timesert or not?
  191. 2000 N* into a '96 DeVille?
  192. Run mid-grade every other tank?
  193. P0741 & P1860
  194. How warm do I warm my car up?
  195. Exhaust manifolds: removed with engine in place?
  196. Burning Coolant
  197. Performance questions!!!!
  198. Regular fuel change ecm program
  199. TCS C1233 and ignition problem? 97 SLS
  200. Remote mirror removal & repair questions
  201. Where is my gas filter? 97 STS
  202. Oil Burning Eldo, 1997 Etc..
  203. Northstar Intermittent misfire-Pulling hair out!!
  204. 96 concours code help!!
  205. Performance chips...scam?
  206. Some unanswered throttle body cleaning questions
  207. 1996 sts - "NO IRC DATA"
  208. 1996 DeVille won't start
  209. EGR valve removal.. need a bit of help
  210. lift
  211. Bbob - a leason on sealers, please!
  212. Need Options...coolant blowing out...
  213. Code P0335 on 2001 STS
  214. benlomand
  215. Possible Main Bearing Knock....what to do?
  216. ***********
  217. compression check out of car
  218. n* check coolant level on 97 deville
  219. BBob need help
  220. Air intake "twister"?
  221. smell coolant? check freezeplugs
  222. Help with PC0174 code
  223. rss c1769 code.. help !
  224. NorthStar Reputation..
  225. RTD means??
  226. 1996 SLS Won't Disengage Parking brake when put into gear?
  227. LD8 L37 comparison...which is really quicker?
  228. N* coolant problem
  229. Does A Northstar Have Mds?
  230. thanks to bbob, ranger, etc.
  231. What's up with the new "Universal" coolant? (Bbob?)
  232. I'm being ROBBED! (of hp)
  233. using non-GM spark plug wires?
  234. How many have blown Northstars
  235. Water Pump Replacement
  236. CD-ROM Service Manuals
  237. HELP: BPTB, AC compressor
  238. Replaced A And B Shift Still Actin Funny
  239. p094 code - where is the soleniod located?
  240. service vehicle soon !!!!!!
  241. Help with removing Northstar coolant crossover
  242. error code
  243. supercharger??
  244. OK, who else needs a timesert kit????
  245. Can the Northstar be rebuilt?
  246. Using oil....but where?
  247. VIN Code "9"
  248. Head gasket and mileage...
  249. 96 Eldorado trouble code PC 0420...
  250. My First problem with my 2001 DTS if anyone can help?