: Northstar Engines and System Technical Discussion



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  1. on the tranny subject
  2. Talk about luck!!
  3. New motor runs a lil hotter?
  4. o2 sensor question
  5. What is HOT for a blown head gasket
  6. Need Help Info On Where To Buy Rebuilt Engine
  7. compatable parts
  8. NorthStar swap wiring harness
  9. product question
  10. How long do you think caddy will keep the N*?
  11. SS Fuel Rail Removal
  12. Would this be a wise choice? [CAI] on a 184,000 mile northstar
  13. E85 on northstar ???
  14. just got my Plates
  15. 1996 Cadillac DeVille NO CODES ????
  16. Engine code - EOP
  17. Type of engine?
  18. Turbo Charged STS Cadillac
  19. Northstar Cam specs
  20. How can I drive 1000 miles with a coolant leak?
  21. To Rebuild or not.
  22. Do you use dealer for Northstar repairs?
  23. How long do Northstar engines last?
  24. 4.6 northstar fuel pressure?
  25. 150 miles in limp home mode
  26. CKP Question for One of the Techs
  27. Any problems trying 20W-50 in a '97?
  28. New 95' STS owner with tech question
  29. tune up ,whats involved?
  30. Oh shoot...need help ASAP...:(
  31. Radiator Cooling Fans not running
  32. Ram Air! (Maybe)
  33. Engine runs a bit rough during cold winter starts
  34. "break in" period for new Northstar engine
  35. How many miles to you get per tankfull with your north*?
  36. Inserts
  37. GM now offers Premium Remanufactured 4.6L Northstar
  38. 00 to 03 engine in a 98 or 99 Seville.
  39. recommended shop in Toronto/Kitchener area
  40. After head gasket repair engine knocks
  41. transaxel fluid change
  42. N* Injectors and Fuel Pressure Regulator
  43. transaxel filter
  44. 2002 plentum leak
  45. Sts Running Terrible
  46. 96 Cylinder head on 93 block
  47. My car has 121k on it..should I change the trany fluid?
  48. 96 to 99 Eldo, Deville, and 96, 97 Seville Tuning
  49. valve noise at startup
  50. Breaking in a N*
  51. Invisible leak (coolant)
  52. Another seafoam thread
  53. Is there an easy way to change coolant?
  54. what is considered normal coolant temperture for a north*?
  55. please identify mystery black box 01 DTS
  56. Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know
  57. Flushing Radiator
  58. Are there any worthwhile performance mods for the 98 north*?
  59. Was there more then one north* engine in 1998?
  60. Three (3) Codes on 1996 SLS: P1406, P0401, P0108
  61. Northstar Air Consumption.
  62. Eldo Gone....
  63. 4T80-E Transmission Fluid Change - DONE!
  64. P119 - Shorted Fuel Injector Problem
  65. How often do you WOT your north*?
  66. Before i go to beat the crap outta my car - WOT cleaning
  67. denso wires ???
  68. timeserts -so do these things prevent bad head gaskets
  69. Northstar 32 valve good for swap-out?
  70. '94 sts.. ignition coils, ignition control module?
  71. Car will not turn over....
  72. Has anyone ever got the P0741 code?
  73. Are there any good oil additives to add...
  74. I read a post about top tier gasoline....
  75. '95 Concours hard starting when it's cold outside
  76. my service engine soon light is on
  77. bad idea to use 87 octane?
  78. royal purple on a N*
  79. 03 n* and trans in a 99 SLS
  80. What gives the Northstar its "whirring" sound at idle?
  81. 96 sts starter problems, questions?
  82. How would i get a custom pcm?
  83. Beef up a 4.6L NStar?
  84. squeeky serpatine belt *new belt and tensioner*
  85. N* performance
  86. what year was it?
  87. opinions on high flow cats
  88. Gasoline Consumption question
  89. Looking for a Timesert Kit
  90. Engine Performance mods 95 STS
  91. Which oil i need for my 96 eldorado????
  92. How long should I let the N* warm up in the morning?
  93. Timesert Kits?
  94. 1997 SLS (overheating)
  95. Changing brakes on 96 SLS
  96. 2000 dts northstar reliabilty
  97. 2002 ETC Collector-mobile.
  98. What's the difference between the STS and SLS engines?
  99. Internal Mods For Northstar
  100. 99 to 00+ swap differences
  101. stuttering at idle
  102. 1999 Cadillac STS love/hate relationship...
  103. Free Northstar Engine
  104. Help the new guy make a good decision
  105. High Performance Head Gaskets?
  106. Parts ID
  107. Not run for 6 years, what would you do?
  108. 00 PCM on a 99 engine
  109. Blown Headgasket
  110. Aluminum Block porisity
  111. Its Alive
  112. oil life monitor problem
  113. P094 limp mode, no overdrive
  114. Valve Stem Seal Puller
  115. Homemade Valve Spring Compressor
  116. What Should I Pay For Eibachs?
  117. Trans Fluid/Filter change and Coolant drain/refill...
  118. Randomly Creeping High Idle Problem
  119. Stock spark plug wires, 7 or 8 mm?
  120. transmission oil looks dark :S
  121. how many cubic inches
  122. Northstar coil pack firing order
  123. '96 Sls: P1406: Egr
  124. GM Oil Consumption TSB, 2007
  125. Dexcool/Peak coolant
  126. noobie questions
  127. God a northstar sounds sexy, but does something sound odd
  128. Coolant leak...
  129. Northstar motor install
  130. overheating, waterpump? 2002 deville w/ 120k miles
  131. Transmission won't "kickdown" 1994 Eldorado
  132. Blocks cracking on final head torque?
  133. How to remove timeserts?
  134. crankshaft postion sensor
  135. '05 STS - Slipping Transmission at low MPH
  136. rear wheel drive conversion
  137. Cadillac Overheating Issues
  138. humming noise
  139. Clogged vacuum port to fuel pressure regulator
  140. thermostat starting to rise in strange way
  141. overheating , but ez fix?
  142. intermittent "hard start" when car at operating temp
  143. How to tell if block is timeserted?
  144. HELP ME!!!! What is the difference between ECON and Auto
  145. clogged cat = overheating?
  146. 2000-up coil pack crack
  147. 93 sts trans solenoids?
  148. Sealing off a blown head gasket
  149. Rear Main Seal
  150. Oil Life % vs. Reality
  151. Time out!!
  152. engines misses after teardown
  153. 93 STS Northstar won't start
  154. Motor build for sand rail
  155. What kind of gas mileage do you get with your Northstar?
  156. crank sensors
  157. 4.0 Northstar No Start PLEASE HELP!!!
  158. What Northstar do I have?
  159. 96 Eldorado ETC - Blown head gasket
  160. Radiator hoses
  161. headgasket pics
  162. Converter Size
  163. Cylinder Head Reconditioning
  164. 02 sts N* Engine knock
  165. MAF Issues
  166. Oil Pressure Issue - 2000 Cadillac DeVille
  167. Northstar mechanic in the Massachusetts??
  168. Need Help
  169. 93 sts misses and no 2-3 shift
  170. Good fresh tim-serted 94' SLS engine on ebay.
  171. Help, still overheating after headgasket job .
  172. Cooling fan motor bad?
  173. Roots style S/C for the northstar. Anytakers?
  174. front HVAC blower not working on 2000 deville
  175. 1995 STS won't start
  176. 94 4.6L SLS/STS Engine on Ebay
  177. oil level sensor
  178. Thought I had all the parts
  179. '99 Deville stalled and wont start
  180. 96 Deville stumbles on acceleration
  181. Spark Plug Gap
  182. P094 code
  183. 2001 Northstar 4.6 in 99 sts body??
  184. Short runner intake
  185. Bad Waterpump???
  186. Making a trip to fastchip
  187. Fan runs while car is shut off
  188. 94 Seville w/ 93 Engine & Trans (from Eldorado) Shift Problem
  189. Backfired while starting, now I have a miss!
  190. Octane Boosters
  191. Code Question
  192. sluggish n* in a 96 eldo
  193. 03 4.6 Loud engine knock caused by roller rockers
  194. I did the intake and exhaust and no difference
  195. looking at a scangauge 2 / question about pulling codes
  196. starter gives a single click
  197. PCM Data, PD42 Octane?
  198. Made the switch to Rotella...
  199. Crank seal replacement cost??
  200. Headlight problem!
  201. 99 STS blown head gasket. what to do??
  202. Turning off Injectors = Save fuel?
  203. A/C Question
  204. Two pricing question
  205. 1995 STS Performance ?
  206. I052 Code + Stalling + Instrument Panel Reset
  207. Oil pressure Sending Unit
  208. P/S pump leak
  209. Oil Leak
  210. "Low Refrigerant" & "A/C Compressor Off" B1348
  211. 95 Deville Concours performance
  212. '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?
  213. new exhaust with #s
  214. Main bearing Torque Values? '94 4.6L SLS
  215. What tools needed to replace idle control motor on N*?
  216. Sooty Stalling 98 Deville
  217. New N* Owner - What to look for?
  218. Will the REAL Dexcool Please Stand Up?
  219. Rustling noise and loss of power
  220. Mass air flow sensor Help please
  221. oil cooler
  222. Engine just dies
  223. Swapping Engine To A Non-Northstar
  224. I have a little oil in the spark plug wells, anything to worry about?
  225. setting timing
  226. How about a Northstar Survival Guide
  227. what color is dexcool?
  228. Engine revving on its own
  229. Northstar remanufactured engine source
  230. "If it wasn't for bad luck....you know the rest
  231. Hitting 150k or more, is it realistic on my car?
  232. Time-Sert
  233. Bouncing Idle, new sparkplugs and oil after seafoam or TEC?
  234. front motor mount
  235. Is it Normal to Leak????
  236. Power steering leak
  237. 99 Northstar burning coolant somewhere!
  238. Data loging with performance monitoring and measuring devices
  239. Help With My 99' N* Hg Job
  240. Low oil pressure warning
  241. engine-trans bolts
  242. Valve Train Ticking
  243. What peformance chip is better for 02 dts?
  244. Wrong headbolts
  245. Changing HG, will heads be ok?
  246. N* Stock Internals
  247. Oil missing from pan
  248. 93-99 Dis ????
  249. So, i just talked to one of the engineers at GM that worked on the northstar
  250. 02 deville spark plug replacement