: Northstar Engines and System Technical Discussion



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