: Northstar Engines and System Technical Discussion



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  1. Map sensor
  2. Help with codes for the Concourse
  3. problems with 94 deville 4.6L
  4. Which Fuel Pressure Regulator?
  5. New Application for the N*
  6. Engine miss
  7. Northstar engine miss
  8. 97 Deville Running poorly Help.
  9. EGR stuck = retarded timing?
  10. What is an MAF, and where can I find it?
  11. Spark Plugs on 94 STS.
  12. WOT, Premium Gas and Service Engine Soon Message
  13. Re: Didn't know where else to post this...
  14. Acetone and the Northstar
  15. whats with the front valve cover???
  16. Theory for Bbob: Fuel grade AGAIN ;)
  17. Need an Honest Opinion on my STS
  18. Plugs and Wires
  19. Missfire sensor
  20. Not head GASKET!
  21. 94 deville intake cover
  22. DIC controlls
  23. superchip
  24. Help my Cadillac Starts by itself
  25. Whats up with this "turbonoter"?
  26. Are there certain northstar engines to stay away from?
  27. 98 Eldo N* Cooling Issues..Now This?
  28. Bad injectors at 50K miles?
  29. Coolant supplement paradox (yeah this again :-)
  30. 95 sts mods
  31. Lifting Fuel Rail
  32. Engine miss when HOT outside.
  33. New Concours owner has PF61 question
  34. Catalytic converter
  35. Need help with O2 sensor.
  36. Just for laughs.....
  37. 94 N* motor pulled tips and ideas
  38. Hesitation
  39. too much money to replace a oil pan gasket
  40. Code PC0138 96 Deville? O2 sensor which one?
  41. Radiator hose looks warped and rubbing against engine...
  42. Transmission Fluid Under Pressure at Cap?
  43. Pcv Valve
  44. 2000 DeVille Waterpump
  45. Oil leak?..Not oil pan!
  46. Time-Serts for 96 N* Eldorado
  47. Rebuidling Heads on 96 Eldorado N* Engine
  48. Rebuilding Heads for 96 Eldorado
  49. MAP Problem?
  50. ECM/PCM Tuning
  51. New Northstar Motor Breakin ??
  52. Never fill up on gas when...
  53. Another overheat thread: '97 Deville N*
  54. Tune Up
  55. Northstar Timing Chains
  56. Do you have a Time-Sert kit, please help ?
  57. blown head or water pump
  58. 1996 Deville Won't Shift Stays in One gear Need Help Serious Techs
  59. Can a Water Pump Be Bad Without Leaking Or Making Noise?
  60. loose power steering rack
  61. Y / 9 What's the Difference?
  62. Blown head gasket repair? 96 deville
  63. 99 STS Starting hard, STALLING..Help!!
  64. Venting Cooling System?? Drill Hole??
  65. COP - Coil over Plug Question
  66. intake plenum bolt
  67. *98 Deville- Coolant in Oil?
  68. Code P076 on 94 STS and hard shifting help!
  69. 96 deville poping and rough running
  70. Tune Up on North*???
  71. Oil misinformation
  72. Just ordered used engine
  73. Honestly, how much interest in S/C or T/C the N*
  74. Cooling fan "on" temp?
  75. Nitrous?
  76. PCV Rattle
  77. Occasional tranny slippage: Shift solenoid???
  78. 93 eldorado northstar stalls out plz help!
  79. Racing Junk heads
  80. My Caddy won't start.....help!!
  81. Northstar TIME-SERT Kit for Sale.....
  82. 1st Self Work on 1994 STS
  83. How many miles can I drive my 1996? Problems will be?
  84. Engine died & no codes?
  85. Plumbing help on 99 STS
  86. WOT vs 4T80E vs. Timing Chain
  87. Exhaust Vids
  88. 99 STS Starting hard then STALLING..Help!!
  89. How did this happen?
  90. overheats sometimes
  91. Heat / AC cover ?
  92. ignition switch
  93. 94 Concours prob. after EGR cleaning P036
  94. 98 STS Motor mount busted
  95. Help with 98 STS part.
  96. Summit Turbo Mufflers?
  97. advice on correct coolant temps for 92 eldorado
  98. Is your N* running bad, hesitating, missing??
  99. Head gasket replacement
  100. Can DIC messages be cleared for good??
  101. Code I039??
  102. blown head gasket
  103. Strange rhythmic vibration 2000 DTS
  104. Electronic Speedometer Display
  105. Blue Devil Engine & Cooling system Sealer!?
  106. Major problems at 80K miles. Is this normal?
  107. Buzzing and ringing...
  108. Performance mod
  109. "flapper door" replacement?
  110. OBDII Programmers
  111. Limp Home what is it??
  112. 99 N doesnt come with factory strut tower bar?
  113. Before And After....(Mufflers)
  114. witch fuse?
  115. Coolant Change 98 Deville
  116. 96 Sedan Deville-Where is the thermostat located
  117. Engine Codes PC0300 & RF2560
  118. Hotrod with the N*
  119. Engine Swap Info
  120. chugging N*
  121. OK, tired of Headgasket worry...
  122. 96 SLS burning oil like it's gas
  123. Remove the water pump pulley
  124. Tool to remove the water pump pulley
  125. 95 Deville Oil Presure
  126. engine died
  127. Tune Up Time!
  128. 97eldo Need Help
  129. missing bolts on side of oilpan and A-frame...
  130. Torque strut removal and "engine tilt"
  131. Thread inserts?
  132. Can you use 10W-40 in a Northstar
  133. Are AC/Delco parts available only at the dealer?
  134. '98 Deville Rough Idle, Shaking, Stuttering Under Acceleration
  135. How do you properly use pellets? Northstar
  136. Engine seems to misfire a bit when it's cold or damp out
  137. coolant coming out of overflow hose like faucet '97 Eldo
  138. SES Misfiring DTC P0300 My hunch is.....
  139. Oil cooler line leak, 4.6 N*
  140. Tightening time saver and accuracy improved with simple trick
  141. It Happened,the dreaded overheat!
  142. Oil pump - what is the grove and the port for
  143. Any performance parts for the N*?
  144. Intermediate timeing chain shaft - O ring?
  145. 98 Eldo N* 4.6 Overheating
  146. ZEX ordered....
  147. Latest head bolt tightening spec?
  148. Corsa scrwwed me over!
  149. Help with emissions system
  150. Supercharged Northstar
  151. Bbob?? Could you look at this Link?
  152. My water pump belt is dancing around...
  153. Belt Tensioner Condition - Bboby?
  154. Northstar Timing Chain Re-Install & Head Gasket Re-install Feedback........
  155. '98 deville idle
  156. intake kit
  157. WOT advice
  158. SeaFoam Opinions...
  159. GXP-ify my sts?
  160. caprice vs Seville sts
  161. water pump/thermostat crossover housing leaking again
  162. Oil in spark plug chamber, How Bad Is This?
  163. Bizarre Coolant- A/C problem 98 Deville!!!
  164. Anybody got a stock calpack?
  165. Question about climate control.
  166. Remanufactured Northstar Engine
  167. 98 eldo jerking while stopped
  168. Dex Cool.....What going on?
  169. Compression test results 98 Seville
  170. Failed emissions test
  171. just bought 97 eldo std.
  172. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  173. Low Coolant Level
  174. Alternative to Platinum Plugs?
  175. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  176. Northstar oilpan
  177. 95 deville blown head gasket
  178. 3 qts oil in 3000 miles?
  179. 5% discount on parts!
  180. Things I should do when changing engines
  181. egr bench test / disassembly ?
  182. '98 cam to waterpump belt
  183. direct flow air filter intake
  184. belt
  185. Transmission Problem Not Sure Need Help Bad!!!!!!!
  186. Dex Cool is eating the gaskets?!!!
  187. 2003 SLS ECM code: DTC "P0300
  188. Cleaning fuel injectors
  189. Oversize pistons? Undersize bearings?
  190. HeadGasket
  191. oil smoke -- any suggestions?
  192. New to North stars
  193. AC 41-900 Replaced with the 41-950 plug
  194. Long Crankin
  195. egr valve test?
  196. AC Compressor changeout - success -
  197. Oil Question
  198. Question about the EGR valve
  199. My oil drain plug magnet is missing
  200. Code P1350
  201. aftermarket catalytic converter
  202. 93 STS starting problem
  203. N*--Built by ISUZU????
  204. Few STS questions..engine, suspension??
  205. Average Cost to replace Tranny on N*?
  206. Buying the Juice....
  207. Oil Residue/grease on section of Air filter on 96 N* Why?
  208. Oil level sensor (check oil level)
  209. loud noise in valve cover ?
  210. not licking to stop and slight oil leak
  211. Cracked oil pan...
  212. Magnaflow Hi Flow Cats
  213. Main Acc Drivebelt - Whine & Grind Noises
  214. a few questions i have.
  215. ZDP Right ? Bad ?
  216. Crossover changed, now smoking anit-freeze?
  217. P036 Since changing crossover
  218. Boggy Accel
  219. references for understanding the N*?
  220. Vapor lock
  221. Torque Sequence and Lbs for NStar Heads BBob??
  222. Water Pump Housing
  223. Best High-flow cat
  224. the Northstar and cams???
  225. motor swap 94 to 97 Relocation of air sensor
  226. Quick Question
  227. Probly Not a New Question - Oil Pan Leak
  228. starting problem
  229. Idle surging
  230. Northstar Help
  231. Crank Position Sensor Symptoms and Replacement
  232. Water Pump ?
  233. RWD Northstar? Gofast Parts?
  234. My Idea!!!!!!
  235. Main thread pulled out
  236. Tranny trouble again.
  237. 00 DTS - Starting issue
  238. Timesert or not?
  239. 2000 N* into a '96 DeVille?
  240. Run mid-grade every other tank?
  241. P0741 & P1860
  242. How warm do I warm my car up?
  243. Exhaust manifolds: removed with engine in place?
  244. Burning Coolant
  245. Performance questions!!!!
  246. Regular fuel change ecm program
  247. TCS C1233 and ignition problem? 97 SLS
  248. Remote mirror removal & repair questions
  249. Where is my gas filter? 97 STS
  250. Oil Burning Eldo, 1997 Etc..