: Northstar Engines and System Technical Discussion



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  1. Oil leak!
  2. Rebuild bearings
  3. Engine Surge/Hesitate
  4. 2000 STS Spark Plug Thread Repair
  5. Hey BBOB (and others), was the LT1 ever considered
  6. oil change for 2001 cadi deville
  7. Phenolic Spacer Plates
  8. Cranks 5-10 seconds now, what's up?
  9. 96 STS N* squeaky pulley!?!?
  10. Spark Plug Question
  11. Fuel Pressure Check...
  12. Water Pump Tool?
  13. http://www.dragtimes.com/
  14. 99 STS - Blown Head Gaskets
  15. throttle body and egr tubes
  16. 99 Concourse, just going to buy then clonk
  17. Any Temp Seal For Head gaskets??
  18. Wow, this stinks
  19. Oxygen Sensor
  20. my engine on my 98....
  21. What could the problem be????
  22. OBD Codes
  23. Northstar Exhaust acoustic "tuning", Bbobinsky?
  24. '94 Deville n* h2O pipes behind engine rusted out
  25. Map sensor
  26. Help with codes for the Concourse
  27. problems with 94 deville 4.6L
  28. Which Fuel Pressure Regulator?
  29. New Application for the N*
  30. Engine miss
  31. Northstar engine miss
  32. 97 Deville Running poorly Help.
  33. EGR stuck = retarded timing?
  34. What is an MAF, and where can I find it?
  35. Spark Plugs on 94 STS.
  36. WOT, Premium Gas and Service Engine Soon Message
  37. Re: Didn't know where else to post this...
  38. Acetone and the Northstar
  39. whats with the front valve cover???
  40. Theory for Bbob: Fuel grade AGAIN ;)
  41. Need an Honest Opinion on my STS
  42. Plugs and Wires
  43. Missfire sensor
  44. Not head GASKET!
  45. 94 deville intake cover
  46. DIC controlls
  47. superchip
  48. Help my Cadillac Starts by itself
  49. Whats up with this "turbonoter"?
  50. Are there certain northstar engines to stay away from?
  51. 98 Eldo N* Cooling Issues..Now This?
  52. Bad injectors at 50K miles?
  53. Coolant supplement paradox (yeah this again :-)
  54. 95 sts mods
  55. Lifting Fuel Rail
  56. Engine miss when HOT outside.
  57. New Concours owner has PF61 question
  58. Catalytic converter
  59. Need help with O2 sensor.
  60. Just for laughs.....
  61. 94 N* motor pulled tips and ideas
  62. Hesitation
  63. too much money to replace a oil pan gasket
  64. Code PC0138 96 Deville? O2 sensor which one?
  65. Radiator hose looks warped and rubbing against engine...
  66. Transmission Fluid Under Pressure at Cap?
  67. Pcv Valve
  68. 2000 DeVille Waterpump
  69. Oil leak?..Not oil pan!
  70. Time-Serts for 96 N* Eldorado
  71. Rebuidling Heads on 96 Eldorado N* Engine
  72. Rebuilding Heads for 96 Eldorado
  73. MAP Problem?
  74. ECM/PCM Tuning
  75. New Northstar Motor Breakin ??
  76. Never fill up on gas when...
  77. Another overheat thread: '97 Deville N*
  78. Tune Up
  79. Northstar Timing Chains
  80. Do you have a Time-Sert kit, please help ?
  81. blown head or water pump
  82. 1996 Deville Won't Shift Stays in One gear Need Help Serious Techs
  83. Can a Water Pump Be Bad Without Leaking Or Making Noise?
  84. loose power steering rack
  85. Y / 9 What's the Difference?
  86. Blown head gasket repair? 96 deville
  87. 99 STS Starting hard, STALLING..Help!!
  88. Venting Cooling System?? Drill Hole??
  89. COP - Coil over Plug Question
  90. intake plenum bolt
  91. *98 Deville- Coolant in Oil?
  92. Code P076 on 94 STS and hard shifting help!
  93. 96 deville poping and rough running
  94. Tune Up on North*???
  95. Oil misinformation
  96. Just ordered used engine
  97. Honestly, how much interest in S/C or T/C the N*
  98. Cooling fan "on" temp?
  99. Nitrous?
  100. PCV Rattle
  101. Occasional tranny slippage: Shift solenoid???
  102. 93 eldorado northstar stalls out plz help!
  103. Racing Junk heads
  104. My Caddy won't start.....help!!
  105. Northstar TIME-SERT Kit for Sale.....
  106. 1st Self Work on 1994 STS
  107. How many miles can I drive my 1996? Problems will be?
  108. Engine died & no codes?
  109. Plumbing help on 99 STS
  110. WOT vs 4T80E vs. Timing Chain
  111. Exhaust Vids
  112. 99 STS Starting hard then STALLING..Help!!
  113. How did this happen?
  114. overheats sometimes
  115. Heat / AC cover ?
  116. ignition switch
  117. 94 Concours prob. after EGR cleaning P036
  118. 98 STS Motor mount busted
  119. Help with 98 STS part.
  120. Summit Turbo Mufflers?
  121. advice on correct coolant temps for 92 eldorado
  122. Is your N* running bad, hesitating, missing??
  123. Head gasket replacement
  124. Can DIC messages be cleared for good??
  125. Code I039??
  126. blown head gasket
  127. Strange rhythmic vibration 2000 DTS
  128. Electronic Speedometer Display
  129. Blue Devil Engine & Cooling system Sealer!?
  130. Major problems at 80K miles. Is this normal?
  131. Buzzing and ringing...
  132. Performance mod
  133. "flapper door" replacement?
  134. OBDII Programmers
  135. Limp Home what is it??
  136. 99 N doesnt come with factory strut tower bar?
  137. Before And After....(Mufflers)
  138. witch fuse?
  139. Coolant Change 98 Deville
  140. 96 Sedan Deville-Where is the thermostat located
  141. Engine Codes PC0300 & RF2560
  142. Hotrod with the N*
  143. Engine Swap Info
  144. chugging N*
  145. OK, tired of Headgasket worry...
  146. 96 SLS burning oil like it's gas
  147. Remove the water pump pulley
  148. Tool to remove the water pump pulley
  149. 95 Deville Oil Presure
  150. engine died
  151. Tune Up Time!
  152. 97eldo Need Help
  153. missing bolts on side of oilpan and A-frame...
  154. Torque strut removal and "engine tilt"
  155. Thread inserts?
  156. Can you use 10W-40 in a Northstar
  157. Are AC/Delco parts available only at the dealer?
  158. '98 Deville Rough Idle, Shaking, Stuttering Under Acceleration
  159. How do you properly use pellets? Northstar
  160. Engine seems to misfire a bit when it's cold or damp out
  161. coolant coming out of overflow hose like faucet '97 Eldo
  162. SES Misfiring DTC P0300 My hunch is.....
  163. Oil cooler line leak, 4.6 N*
  164. Tightening time saver and accuracy improved with simple trick
  165. It Happened,the dreaded overheat!
  166. Oil pump - what is the grove and the port for
  167. Any performance parts for the N*?
  168. Intermediate timeing chain shaft - O ring?
  169. 98 Eldo N* 4.6 Overheating
  170. ZEX ordered....
  171. Latest head bolt tightening spec?
  172. Corsa scrwwed me over!
  173. Help with emissions system
  174. Supercharged Northstar
  175. Bbob?? Could you look at this Link?
  176. My water pump belt is dancing around...
  177. Belt Tensioner Condition - Bboby?
  178. Northstar Timing Chain Re-Install & Head Gasket Re-install Feedback........
  179. '98 deville idle
  180. intake kit
  181. WOT advice
  182. SeaFoam Opinions...
  183. GXP-ify my sts?
  184. caprice vs Seville sts
  185. water pump/thermostat crossover housing leaking again
  186. Oil in spark plug chamber, How Bad Is This?
  187. Bizarre Coolant- A/C problem 98 Deville!!!
  188. Anybody got a stock calpack?
  189. Question about climate control.
  190. Remanufactured Northstar Engine
  191. 98 eldo jerking while stopped
  192. Dex Cool.....What going on?
  193. Compression test results 98 Seville
  194. Failed emissions test
  195. just bought 97 eldo std.
  196. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  197. Low Coolant Level
  198. Alternative to Platinum Plugs?
  199. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  200. Northstar oilpan
  201. 95 deville blown head gasket
  202. 3 qts oil in 3000 miles?
  203. 5% discount on parts!
  204. Things I should do when changing engines
  205. egr bench test / disassembly ?
  206. '98 cam to waterpump belt
  207. direct flow air filter intake
  208. belt
  209. Transmission Problem Not Sure Need Help Bad!!!!!!!
  210. Dex Cool is eating the gaskets?!!!
  211. 2003 SLS ECM code: DTC "P0300
  212. Cleaning fuel injectors
  213. Oversize pistons? Undersize bearings?
  214. HeadGasket
  215. oil smoke -- any suggestions?
  216. New to North stars
  217. AC 41-900 Replaced with the 41-950 plug
  218. Long Crankin
  219. egr valve test?
  220. AC Compressor changeout - success -
  221. Oil Question
  222. Question about the EGR valve
  223. My oil drain plug magnet is missing
  224. Code P1350
  225. aftermarket catalytic converter
  226. 93 STS starting problem
  227. N*--Built by ISUZU????
  228. Few STS questions..engine, suspension??
  229. Average Cost to replace Tranny on N*?
  230. Buying the Juice....
  231. Oil Residue/grease on section of Air filter on 96 N* Why?
  232. Oil level sensor (check oil level)
  233. loud noise in valve cover ?
  234. not licking to stop and slight oil leak
  235. Cracked oil pan...
  236. Magnaflow Hi Flow Cats
  237. Main Acc Drivebelt - Whine & Grind Noises
  238. a few questions i have.
  239. ZDP Right ? Bad ?
  240. Crossover changed, now smoking anit-freeze?
  241. P036 Since changing crossover
  242. Boggy Accel
  243. references for understanding the N*?
  244. Vapor lock
  245. Torque Sequence and Lbs for NStar Heads BBob??
  246. Water Pump Housing
  247. Best High-flow cat
  248. the Northstar and cams???
  249. motor swap 94 to 97 Relocation of air sensor
  250. Quick Question