: Northstar Engines and System Technical Discussion



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  1. Thinking of rebuilding motor... questions..
  2. 2001 Deville getting hot
  3. Oil pressure
  4. Cooling system tablets after HG job
  5. HG Jobs for all, anywhere in Canada or USA in my new shop
  6. where to get headgasket job done?
  7. Northstar Engine Gets Gummy?
  8. STS low power
  9. Northstar engine miss
  10. 2002 Deville P3008 code
  11. Real Performance Parts for the L37
  12. HELP outta town with tranny issues
  13. Cooling fans and hard driving- temp spikes
  14. Convert 98 SLS motor into STS motor?
  15. NO Codes but stalls...
  16. Stand-alone Northstar engine/trans for swap
  17. 4T80E solenoid shift replacement
  18. N* Swap with Factory ECM and avoiding DTC's
  19. Vin lookup for engine history
  20. 1999 STS Traction Control off......Unable to turn it on.
  21. 98 deville no fan / tech 2 commanded fan on
  22. 1999 Cadillac Seville OVERHEATING :(
  23. Any differences in an Export N* Engine and a Domestic One?
  24. To much Antifreez
  25. Synthetic or Regular Oil in 08 Escalade ESV?
  26. Stalling when wet
  27. 1998 STS : Code v
  28. 02 Deville plenum question
  29. MSD Timing Controller - Question for AJ
  30. Cranshaft Main Bolts
  31. Rear Main Seal Install
  32. Where to find coolant test?
  33. Can I put a 2001 Northstar in a 1997 Eldorado?
  34. Major coolant leak
  35. I think i'm ready
  36. what to look for buying a used northstar powered car
  37. Happy ending to overheating problem
  38. 2000 sts
  39. Fully Polished Aluminum Strut Tower Brace for 98+Seville and 00+ Deville
  40. o2 sensor thread repair
  41. Bypass AC pump 94 Eldorado
  42. Northstar oil leak, main bolts
  43. 1993 Eldorado Northstar running rough
  44. Limp Mode?
  45. STS N* Rough Idle/Miss at Startup
  46. northstar aurora alternator
  47. Swap 4.9l v8 and 4.6l v8 northstar
  48. '99 STS stuck water water pump
  49. Water pump drive pulley
  50. heater on bench 1?
  51. Hello all
  52. wide engine temp swing
  53. Oil pan gasket
  54. I allmost died in my sts !!!!!, P065 drives itself
  55. 1993 seville STS
  56. cooling fan electrical diagram
  57. Fuel Injectors Revisited
  58. head gasket replacement in louisville kentucky area
  59. Cam Replacement in Car
  60. Northstar block #'s info needed on a used engine.
  61. oil filter for northstar
  62. 2000 sls overheating
  63. SLS overheating help? please?
  64. testing for bad HG
  65. 94 STS Coolant leak between block and flywheel
  66. Valve cover gaskets
  67. Hitting rev limiter in idle after startup
  68. Bad news Very Bad news
  69. EGR symptoms
  70. fuel pumps
  71. manifold pressure sensor or mat sensor
  72. Transaxle interchange
  73. TSB for Oil Consumption
  74. N*** PCM hacking Help
  75. Increasing fuel efficiency
  76. 94 Eldorado 4.6 High Idle
  77. photo shop help
  78. high engine rpm at start up
  79. Is it possible to have digital temperature display on 2002 deville ?
  80. 99 STS metallic ticking noise from valve area
  81. Bonneville GXP 1/4 mile times
  82. Time Serts, Norm's, SureGrip Stud Kit??????
  83. p080
  84. 2004 Deville 275hp... a good buy?
  85. I would like to 'update' the Performance Parts Mega-Post
  86. Questions for Ranger and Submariner409
  87. Cleaning Engine what do i cover?
  88. Any Ideas? No codes, backfire, sputter & parking brake get stuck
  89. dropping cradle: what would you replace preemptively
  90. HG and Timesert in car
  91. 1993 Cadillac Seville STS 4.6l engine bog
  92. Shoud i replace input speed sensor on 2002 deville 140k
  93. Go with studs and get warranty on a DIY HG job
  94. 2002 deville HEAD JOB and MORE --PLEASE HELP
  95. Help. 99 sts dash clicking?
  96. The ever present "miss"
  97. new engine ...?
  98. Code P0603
  99. Fire!!! Eh, not so bad..
  100. Fuel pump removal pictures
  101. No more HG jobs. I'm finished.
  102. More problems after a HG job- or are they?
  103. 02 dts high idle prob
  104. What 2 Do About GM's OHC V8 Engine.... How about the Mainstreaming of the 4.4L SC NS?
  105. 94-99 vs. 2000+ N* Oil issues
  106. RWD Northstar
  107. Running a 2005 N* on a 2006 N* PCM
  108. intake blow off flap
  109. PO155 (HO2S) Code
  110. 95 devile no heat on driver side help
  111. Clever stuff...I think?
  112. trading up
  113. Has anyone tried to put sc 3800 v6?
  114. What gives ?
  115. What is the probability of head gasket failure?
  116. Fuel Pump removal
  117. Like my N* but
  118. Motor will be coming back out after HG job!
  119. Check engine light ?
  120. 1997 deville hard start warm engine
  121. Low mileage Northstar
  122. 00 DTS Falls Flat on Face
  123. Fuel Pump repair kit
  124. Compression test for a head gasket failure
  125. Built Buick Lucerne (400HP Northstar Engine)
  126. Head Gasket Repair in Alaska
  127. Headgasket test kit ?
  128. 97 & 99 deville engine swap??????
  129. Problems After HG job!
  130. Cooling Fans
  131. P0300 and just filled coolant
  132. 01 northstar for sale
  133. northstar power
  134. 1998 STS stalling at idle
  135. New '98 Deville Owner with coolant questions
  136. Find the oil leak
  137. $28 Combustion Leak Tester Kit (Lisle)
  138. Vacuun ports on the northstar
  139. TCC converter stuck off
  140. 2002 Cadillac Deville Rad Flush tips?
  141. 99 Cadillac Seville
  142. EGR or something worse? Please help! '96 SLS
  143. adding oil between oil changes
  144. Mods for transmission during HG job?
  145. 98 SLS with valve noise - ????
  146. 98 sts northstar engine swap
  147. Coolant Question
  148. Part Number: Camshaft seal @ water pump pulley?
  149. Supercharge Your NorthStar for Free.
  150. GIVING AWAY 97 & 98 DEVILLES u pay ship
  151. Engine swap????????
  152. Freebie!
  153. How to install an Eaton/GM M90 Supercharger on a 2003 Northstar
  154. Cam Shaft Bolts!!!
  155. 95 Seville SLS cold start problem with instant fuel pressure drop.
  156. 2003 dhs p0300
  157. Just one glitch left '93 North* %$#@!!
  158. replace or rebuild???? northstar
  159. 2000 DeVille oil filter
  160. Where can I get an engine overhaul kit for 97 4.6L Northstar?
  161. blown head gasket test kit
  162. Stubborn Water Pump Removal
  163. 4.6l N* knocks in cold weather, but quiets after operating temp is reached.
  164. Convert OBDII Northstar to OBDI ???
  165. Timing chain routing??
  166. Northstar 6 Speed Manual
  167. New ECM option for Northstar swappers
  168. Arrrghh Won't start
  169. Seville Filter
  170. Cadillac N* redesign is the fastest TQ. Converter?
  171. help identify the problem !
  172. loss of power
  173. Transmission Removal/replacement
  174. Camshaft install bolt pattern
  175. instaling water pump pulley
  176. Source/Recommendations for Rebuilt Northstar Engines?
  177. Stumble at hot idle, stalling
  178. detonation-preignition
  179. 95 Eldorado has SLOW starting Issue.
  180. Problem after 99 STS Headbolt stripped and repaired
  181. Guide Pin / Alignment Pin Removal The Easy Way
  182. My Northstar is running...
  183. 94 Concours intermittant no start
  184. Unique engine swap, need help deciding which N*
  185. Having a lil trouble holding 4th
  186. 2003 Northstar into a 2001 Deville
  187. TCC Solenoid - Please Help!!
  188. Where did the MPG go?
  189. Intake manifold
  190. 01 SLS Problems
  191. Anyone ever do a headgasket in the car?
  192. traction control input and output data
  193. Fly wheel/starter prof replaced, now oil leak?
  194. Keep getting same code.
  195. Cold starts not so good...
  196. 2001 DTS valvetrain noise after HG job?!
  197. Half Case Seal....
  198. P0153 - HO2S Slow Response Bank 2 Sensor 1
  199. Oil leak on STS, oil pan?
  200. 1994 eldorado coolant leak
  201. failed smog test again. the HC is still high @15MPH
  202. what resonator reduces drone, but not volume? (corsa not option)
  203. Water crossover parts to replace?
  204. intake and top cover 94 Seville STS 4.6
  205. 00 STS Air Pumps; how many of them?
  206. oil pressure
  207. Have a Northstar engine, what should I do with it?
  208. Code help...please!!!!!
  209. Help with o2 sensor--no cat--code p0146
  210. Anyone here an attorney - re: Head gasket failures?
  211. what happend to my kruella
  212. 6 of 8 spark plugs are oily!
  213. Code Assistance
  214. HG cause emissions test failure?
  215. new DTS. wide open throttle?
  216. Quick question: about to order from Rockauto
  217. Remote start
  218. 01 dhs over heating HELP!! PLEASE
  219. Questions about my Headgasket Job
  220. Curse stop leak and fast talking sales men!!
  221. Onboard computer and the octane rating of the fuel being used.
  222. 99 Deville Northstar-New fuel pump, but wont start
  223. need help on north star wire replacing...
  224. codes 073 and 1644
  225. Ranger Should Write a Caddy What to Expect Book
  226. 1st Annual Northstar Meet
  227. Dtc 730
  228. Northstar Stud Kits ready to ship!
  229. 98 SLS screeching noise from egen.
  230. ICM weak spark, have questions
  231. How to drop the cradle?
  232. Wheres my coolant going????
  233. front driver o2 sensor, where do connector wire lead to??
  234. Just got Headgaskets done. Still yellow liquid.
  235. Alternator Bearing Replacement?
  236. 01 STS Cracked Block Rebuilt Engine Recomendations
  237. Didn't pass emission. Got a high NO. Shouldn't use regular Gas(87)?
  238. A spike in coolant temp '93 North*
  239. 2007 XLR 4.6 in a Hot Rod!
  240. Testing MAF Sensor on '97 N* ??
  241. 02 SLS not liking the cold weather
  242. New Eldo Owner: Speed Limiter Question
  243. Damned Motor Mounts
  244. weak fuel pump question
  245. Low oil pressure/stop engine message
  246. '03 SLS - "Surges" at slowdown and stoplights
  247. torque convertor clutch solenoid
  248. Service Electrical System
  249. EGR Removal / Steel fuel rails
  250. advice needed - stubborn tight spark plug