: Northstar Engines and System Technical Discussion



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  1. Beef up a 4.6L NStar?
  2. squeeky serpatine belt *new belt and tensioner*
  3. N* performance
  4. what year was it?
  5. opinions on high flow cats
  6. Gasoline Consumption question
  7. Looking for a Timesert Kit
  8. Engine Performance mods 95 STS
  9. Which oil i need for my 96 eldorado????
  10. How long should I let the N* warm up in the morning?
  11. Timesert Kits?
  12. 1997 SLS (overheating)
  13. Changing brakes on 96 SLS
  14. 2000 dts northstar reliabilty
  15. 2002 ETC Collector-mobile.
  16. What's the difference between the STS and SLS engines?
  17. Internal Mods For Northstar
  18. 99 to 00+ swap differences
  19. stuttering at idle
  20. 1999 Cadillac STS love/hate relationship...
  21. Free Northstar Engine
  22. Help the new guy make a good decision
  23. High Performance Head Gaskets?
  24. Parts ID
  25. Not run for 6 years, what would you do?
  26. 00 PCM on a 99 engine
  27. Blown Headgasket
  28. Aluminum Block porisity
  29. Its Alive
  30. oil life monitor problem
  31. P094 limp mode, no overdrive
  32. Valve Stem Seal Puller
  33. Homemade Valve Spring Compressor
  34. What Should I Pay For Eibachs?
  35. Trans Fluid/Filter change and Coolant drain/refill...
  36. Randomly Creeping High Idle Problem
  37. Stock spark plug wires, 7 or 8 mm?
  38. transmission oil looks dark :S
  39. how many cubic inches
  40. Northstar coil pack firing order
  41. '96 Sls: P1406: Egr
  42. GM Oil Consumption TSB, 2007
  43. Dexcool/Peak coolant
  44. noobie questions
  45. God a northstar sounds sexy, but does something sound odd
  46. Coolant leak...
  47. Northstar motor install
  48. overheating, waterpump? 2002 deville w/ 120k miles
  49. Transmission won't "kickdown" 1994 Eldorado
  50. Blocks cracking on final head torque?
  51. How to remove timeserts?
  52. crankshaft postion sensor
  53. '05 STS - Slipping Transmission at low MPH
  54. rear wheel drive conversion
  55. Cadillac Overheating Issues
  56. humming noise
  57. Clogged vacuum port to fuel pressure regulator
  58. thermostat starting to rise in strange way
  59. overheating , but ez fix?
  60. intermittent "hard start" when car at operating temp
  61. How to tell if block is timeserted?
  62. HELP ME!!!! What is the difference between ECON and Auto
  63. clogged cat = overheating?
  64. 2000-up coil pack crack
  65. 93 sts trans solenoids?
  66. Sealing off a blown head gasket
  67. Rear Main Seal
  68. Oil Life % vs. Reality
  69. Time out!!
  70. engines misses after teardown
  71. 93 STS Northstar won't start
  72. Motor build for sand rail
  73. What kind of gas mileage do you get with your Northstar?
  74. crank sensors
  75. 4.0 Northstar No Start PLEASE HELP!!!
  76. What Northstar do I have?
  77. 96 Eldorado ETC - Blown head gasket
  78. Radiator hoses
  79. headgasket pics
  80. Converter Size
  81. Cylinder Head Reconditioning
  82. 02 sts N* Engine knock
  83. MAF Issues
  84. Oil Pressure Issue - 2000 Cadillac DeVille
  85. Northstar mechanic in the Massachusetts??
  86. Need Help
  87. 93 sts misses and no 2-3 shift
  88. Good fresh tim-serted 94' SLS engine on ebay.
  89. Help, still overheating after headgasket job .
  90. Cooling fan motor bad?
  91. Roots style S/C for the northstar. Anytakers?
  92. front HVAC blower not working on 2000 deville
  93. 1995 STS won't start
  94. 94 4.6L SLS/STS Engine on Ebay
  95. oil level sensor
  96. Thought I had all the parts
  97. '99 Deville stalled and wont start
  98. 96 Deville stumbles on acceleration
  99. Spark Plug Gap
  100. P094 code
  101. 2001 Northstar 4.6 in 99 sts body??
  102. Short runner intake
  103. Bad Waterpump???
  104. Making a trip to fastchip
  105. Fan runs while car is shut off
  106. 94 Seville w/ 93 Engine & Trans (from Eldorado) Shift Problem
  107. Backfired while starting, now I have a miss!
  108. Octane Boosters
  109. Code Question
  110. sluggish n* in a 96 eldo
  111. 03 4.6 Loud engine knock caused by roller rockers
  112. I did the intake and exhaust and no difference
  113. looking at a scangauge 2 / question about pulling codes
  114. starter gives a single click
  115. PCM Data, PD42 Octane?
  116. Made the switch to Rotella...
  117. Crank seal replacement cost??
  118. Headlight problem!
  119. 99 STS blown head gasket. what to do??
  120. Turning off Injectors = Save fuel?
  121. A/C Question
  122. Two pricing question
  123. 1995 STS Performance ?
  124. I052 Code + Stalling + Instrument Panel Reset
  125. Oil pressure Sending Unit
  126. P/S pump leak
  127. Oil Leak
  128. "Low Refrigerant" & "A/C Compressor Off" B1348
  129. 95 Deville Concours performance
  130. '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?
  131. new exhaust with #s
  132. Main bearing Torque Values? '94 4.6L SLS
  133. What tools needed to replace idle control motor on N*?
  134. Sooty Stalling 98 Deville
  135. New N* Owner - What to look for?
  136. Will the REAL Dexcool Please Stand Up?
  137. Rustling noise and loss of power
  138. Mass air flow sensor Help please
  139. oil cooler
  140. Engine just dies
  141. Swapping Engine To A Non-Northstar
  142. I have a little oil in the spark plug wells, anything to worry about?
  143. setting timing
  144. How about a Northstar Survival Guide
  145. what color is dexcool?
  146. Engine revving on its own
  147. Northstar remanufactured engine source
  148. "If it wasn't for bad luck....you know the rest
  149. Hitting 150k or more, is it realistic on my car?
  150. Time-Sert
  151. Bouncing Idle, new sparkplugs and oil after seafoam or TEC?
  152. front motor mount
  153. Is it Normal to Leak????
  154. Power steering leak
  155. 99 Northstar burning coolant somewhere!
  156. Data loging with performance monitoring and measuring devices
  157. Help With My 99' N* Hg Job
  158. Low oil pressure warning
  159. engine-trans bolts
  160. Valve Train Ticking
  161. What peformance chip is better for 02 dts?
  162. Wrong headbolts
  163. Changing HG, will heads be ok?
  164. N* Stock Internals
  165. Oil missing from pan
  166. 93-99 Dis ????
  167. So, i just talked to one of the engineers at GM that worked on the northstar
  168. 02 deville spark plug replacement
  169. Finding New Mechanic: Questions to Ask
  170. Myth!!!!! Octane 99 and prior VS 00+
  171. Interesting problem - highway stalling
  172. just installed alternator, NOW WHAT!
  173. How much horsepower in 1997 Professional Chassis (Limo)?
  174. A\C Question!!!!!!!!!!!!!!
  175. How to get out cylinder head alignment bushings???
  176. Tim Allens 400HP naturally asp. N*
  177. cracked engine block
  178. 1997 DeVille Head Gasket Repair
  179. Solid Motor Mount?
  180. lower motor mount
  181. low oil pressure / battery no charge on DIC
  182. '98 STS Camshaft
  183. 05 DTS Northstar fuel economy
  184. Leaking Head Gaskets & Extended Warranty
  185. p1375 icm 24x reference voltage too high and p1350 ignition control system
  186. 00 deville cylinder #4
  187. Northstar overheating causes
  188. locating dowels
  189. 00 deville P0300
  190. Changing spark plugs on a Northstar
  191. can't find anyone who knows the answer
  192. 94 sts strange issue
  193. 30,000 mile service
  194. 98 sts bogging and backfiring
  195. symptoms and cuases of headgasket
  196. 2007 Northstar VIN A PCM Pinouts
  197. Interesting Observation with Volant.
  198. Suggest new catorgory"Northstar Tuning"
  199. Question about Dexcool for the Northstar 4.6
  200. 99 STS in Distress
  201. p0300 Engine Misfire
  202. Need Some Feedback
  203. P0171 and P0174 codes: Intake leak?
  204. TC0073 ???? I have searched with not a REAL answer
  205. carbon on tailpipes, and why?
  206. are time serts asbsolutely necessary
  207. Replacing various parts
  208. new radiator
  209. N* HG Repair, Drop cradle or Pull engine?
  210. Cheap Mechanic in Des Moines?
  211. Cooling Fans NEED HELP.
  212. P094 = Tranny rebuilt?
  213. Problems with N* motor
  214. Considering used Northstar- need advice
  215. More Northstar head gasket questions...
  216. Help with two noises from '97 Northstar
  217. i need help on how to change my headgasket on my 99 seville sls
  218. Back Pressure in Cooling System?
  219. what is OBDII
  220. WANTED Time Sert Kit Rental
  221. **Update** Head gasket on 99 Deville
  222. '94 N* Touring coupe with PO37 code?
  223. Check Engine Codes, vibration
  224. 94 STS Won't accelerate w/o almost stalling the engine.
  225. broken coolant reservoir in my N*
  226. Water pump replacement
  227. 2000 N* is it safe to fill it with a non sinthetic oil?
  228. Sudden drop in fuel economy with AC on
  229. Lambo V12 similiar to N*?
  230. Timing chain tensioner tool
  231. Could a bad catalytic converter also decrease my gas mileage?
  232. Is DEX save for engines?
  233. still overheating
  234. Replaced your Power Steering Pump? Come on IN!!!
  235. 01Deville MISFIRE
  236. 99 N* Issue
  237. bad cylinder
  238. Think Northstar headgaskets are expensive??
  239. Coolant Smell after Shut Down?
  240. 00 DeVille check coolant level
  241. dyno #s
  242. Aurora N* questions
  243. Cheapest way to do HG's?????
  244. I found my leak, now i need help
  245. Is the N* overrated?
  246. Northstar crate or rebuild??
  247. Timesert pulled when torquing headbolts-What Now??
  248. I Need Cheap 97 insert kit
  249. 99 Deville over heating NOT HG I think
  250. 02/03 Alternator regulator