: Northstar Engines and System Technical Discussion



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  1. How often do you WOT your north*?
  2. Before i go to beat the crap outta my car - WOT cleaning
  3. denso wires ???
  4. timeserts -so do these things prevent bad head gaskets
  5. Northstar 32 valve good for swap-out?
  6. '94 sts.. ignition coils, ignition control module?
  7. Car will not turn over....
  8. Has anyone ever got the P0741 code?
  9. Are there any good oil additives to add...
  10. I read a post about top tier gasoline....
  11. '95 Concours hard starting when it's cold outside
  12. my service engine soon light is on
  13. bad idea to use 87 octane?
  14. royal purple on a N*
  15. 03 n* and trans in a 99 SLS
  16. What gives the Northstar its "whirring" sound at idle?
  17. 96 sts starter problems, questions?
  18. How would i get a custom pcm?
  19. Beef up a 4.6L NStar?
  20. squeeky serpatine belt *new belt and tensioner*
  21. N* performance
  22. what year was it?
  23. opinions on high flow cats
  24. Gasoline Consumption question
  25. Looking for a Timesert Kit
  26. Engine Performance mods 95 STS
  27. Which oil i need for my 96 eldorado????
  28. How long should I let the N* warm up in the morning?
  29. Timesert Kits?
  30. 1997 SLS (overheating)
  31. Changing brakes on 96 SLS
  32. 2000 dts northstar reliabilty
  33. 2002 ETC Collector-mobile.
  34. What's the difference between the STS and SLS engines?
  35. Internal Mods For Northstar
  36. 99 to 00+ swap differences
  37. stuttering at idle
  38. 1999 Cadillac STS love/hate relationship...
  39. Free Northstar Engine
  40. Help the new guy make a good decision
  41. High Performance Head Gaskets?
  42. Parts ID
  43. Not run for 6 years, what would you do?
  44. 00 PCM on a 99 engine
  45. Blown Headgasket
  46. Aluminum Block porisity
  47. Its Alive
  48. oil life monitor problem
  49. P094 limp mode, no overdrive
  50. Valve Stem Seal Puller
  51. Homemade Valve Spring Compressor
  52. What Should I Pay For Eibachs?
  53. Trans Fluid/Filter change and Coolant drain/refill...
  54. Randomly Creeping High Idle Problem
  55. Stock spark plug wires, 7 or 8 mm?
  56. transmission oil looks dark :S
  57. how many cubic inches
  58. Northstar coil pack firing order
  59. '96 Sls: P1406: Egr
  60. GM Oil Consumption TSB, 2007
  61. Dexcool/Peak coolant
  62. noobie questions
  63. God a northstar sounds sexy, but does something sound odd
  64. Coolant leak...
  65. Northstar motor install
  66. overheating, waterpump? 2002 deville w/ 120k miles
  67. Transmission won't "kickdown" 1994 Eldorado
  68. Blocks cracking on final head torque?
  69. How to remove timeserts?
  70. crankshaft postion sensor
  71. '05 STS - Slipping Transmission at low MPH
  72. rear wheel drive conversion
  73. Cadillac Overheating Issues
  74. humming noise
  75. Clogged vacuum port to fuel pressure regulator
  76. thermostat starting to rise in strange way
  77. overheating , but ez fix?
  78. intermittent "hard start" when car at operating temp
  79. How to tell if block is timeserted?
  80. HELP ME!!!! What is the difference between ECON and Auto
  81. clogged cat = overheating?
  82. 2000-up coil pack crack
  83. 93 sts trans solenoids?
  84. Sealing off a blown head gasket
  85. Rear Main Seal
  86. Oil Life % vs. Reality
  87. Time out!!
  88. engines misses after teardown
  89. 93 STS Northstar won't start
  90. Motor build for sand rail
  91. What kind of gas mileage do you get with your Northstar?
  92. crank sensors
  93. 4.0 Northstar No Start PLEASE HELP!!!
  94. What Northstar do I have?
  95. 96 Eldorado ETC - Blown head gasket
  96. Radiator hoses
  97. headgasket pics
  98. Converter Size
  99. Cylinder Head Reconditioning
  100. 02 sts N* Engine knock
  101. MAF Issues
  102. Oil Pressure Issue - 2000 Cadillac DeVille
  103. Northstar mechanic in the Massachusetts??
  104. Need Help
  105. 93 sts misses and no 2-3 shift
  106. Good fresh tim-serted 94' SLS engine on ebay.
  107. Help, still overheating after headgasket job .
  108. Cooling fan motor bad?
  109. Roots style S/C for the northstar. Anytakers?
  110. front HVAC blower not working on 2000 deville
  111. 1995 STS won't start
  112. 94 4.6L SLS/STS Engine on Ebay
  113. oil level sensor
  114. Thought I had all the parts
  115. '99 Deville stalled and wont start
  116. 96 Deville stumbles on acceleration
  117. Spark Plug Gap
  118. P094 code
  119. 2001 Northstar 4.6 in 99 sts body??
  120. Short runner intake
  121. Bad Waterpump???
  122. Making a trip to fastchip
  123. Fan runs while car is shut off
  124. 94 Seville w/ 93 Engine & Trans (from Eldorado) Shift Problem
  125. Backfired while starting, now I have a miss!
  126. Octane Boosters
  127. Code Question
  128. sluggish n* in a 96 eldo
  129. 03 4.6 Loud engine knock caused by roller rockers
  130. I did the intake and exhaust and no difference
  131. looking at a scangauge 2 / question about pulling codes
  132. starter gives a single click
  133. PCM Data, PD42 Octane?
  134. Made the switch to Rotella...
  135. Crank seal replacement cost??
  136. Headlight problem!
  137. 99 STS blown head gasket. what to do??
  138. Turning off Injectors = Save fuel?
  139. A/C Question
  140. Two pricing question
  141. 1995 STS Performance ?
  142. I052 Code + Stalling + Instrument Panel Reset
  143. Oil pressure Sending Unit
  144. P/S pump leak
  145. Oil Leak
  146. "Low Refrigerant" & "A/C Compressor Off" B1348
  147. 95 Deville Concours performance
  148. '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?
  149. new exhaust with #s
  150. Main bearing Torque Values? '94 4.6L SLS
  151. What tools needed to replace idle control motor on N*?
  152. Sooty Stalling 98 Deville
  153. New N* Owner - What to look for?
  154. Will the REAL Dexcool Please Stand Up?
  155. Rustling noise and loss of power
  156. Mass air flow sensor Help please
  157. oil cooler
  158. Engine just dies
  159. Swapping Engine To A Non-Northstar
  160. I have a little oil in the spark plug wells, anything to worry about?
  161. setting timing
  162. How about a Northstar Survival Guide
  163. what color is dexcool?
  164. Engine revving on its own
  165. Northstar remanufactured engine source
  166. "If it wasn't for bad luck....you know the rest
  167. Hitting 150k or more, is it realistic on my car?
  168. Time-Sert
  169. Bouncing Idle, new sparkplugs and oil after seafoam or TEC?
  170. front motor mount
  171. Is it Normal to Leak????
  172. Power steering leak
  173. 99 Northstar burning coolant somewhere!
  174. Data loging with performance monitoring and measuring devices
  175. Help With My 99' N* Hg Job
  176. Low oil pressure warning
  177. engine-trans bolts
  178. Valve Train Ticking
  179. What peformance chip is better for 02 dts?
  180. Wrong headbolts
  181. Changing HG, will heads be ok?
  182. N* Stock Internals
  183. Oil missing from pan
  184. 93-99 Dis ????
  185. So, i just talked to one of the engineers at GM that worked on the northstar
  186. 02 deville spark plug replacement
  187. Finding New Mechanic: Questions to Ask
  188. Myth!!!!! Octane 99 and prior VS 00+
  189. Interesting problem - highway stalling
  190. just installed alternator, NOW WHAT!
  191. How much horsepower in 1997 Professional Chassis (Limo)?
  192. A\C Question!!!!!!!!!!!!!!
  193. How to get out cylinder head alignment bushings???
  194. Tim Allens 400HP naturally asp. N*
  195. cracked engine block
  196. 1997 DeVille Head Gasket Repair
  197. Solid Motor Mount?
  198. lower motor mount
  199. low oil pressure / battery no charge on DIC
  200. '98 STS Camshaft
  201. 05 DTS Northstar fuel economy
  202. Leaking Head Gaskets & Extended Warranty
  203. p1375 icm 24x reference voltage too high and p1350 ignition control system
  204. 00 deville cylinder #4
  205. Northstar overheating causes
  206. locating dowels
  207. 00 deville P0300
  208. Changing spark plugs on a Northstar
  209. can't find anyone who knows the answer
  210. 94 sts strange issue
  211. 30,000 mile service
  212. 98 sts bogging and backfiring
  213. symptoms and cuases of headgasket
  214. 2007 Northstar VIN A PCM Pinouts
  215. Interesting Observation with Volant.
  216. Suggest new catorgory"Northstar Tuning"
  217. Question about Dexcool for the Northstar 4.6
  218. 99 STS in Distress
  219. p0300 Engine Misfire
  220. Need Some Feedback
  221. P0171 and P0174 codes: Intake leak?
  222. TC0073 ???? I have searched with not a REAL answer
  223. carbon on tailpipes, and why?
  224. are time serts asbsolutely necessary
  225. Replacing various parts
  226. new radiator
  227. N* HG Repair, Drop cradle or Pull engine?
  228. Cheap Mechanic in Des Moines?
  229. Cooling Fans NEED HELP.
  230. P094 = Tranny rebuilt?
  231. Problems with N* motor
  232. Considering used Northstar- need advice
  233. More Northstar head gasket questions...
  234. Help with two noises from '97 Northstar
  235. i need help on how to change my headgasket on my 99 seville sls
  236. Back Pressure in Cooling System?
  237. what is OBDII
  238. WANTED Time Sert Kit Rental
  239. **Update** Head gasket on 99 Deville
  240. '94 N* Touring coupe with PO37 code?
  241. Check Engine Codes, vibration
  242. 94 STS Won't accelerate w/o almost stalling the engine.
  243. broken coolant reservoir in my N*
  244. Water pump replacement
  245. 2000 N* is it safe to fill it with a non sinthetic oil?
  246. Sudden drop in fuel economy with AC on
  247. Lambo V12 similiar to N*?
  248. Timing chain tensioner tool
  249. Could a bad catalytic converter also decrease my gas mileage?
  250. Is DEX save for engines?