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View Full Version : Northstar Engines and System Technical Discussion



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  1. quick performance question
  2. Moving Tapping Noise/Knocking Noises
  3. How much oil for a FWD Northstar engine?
  4. Better mpg in the city with the traction control OFF?
  5. NorthStar Missing?
  6. Whats tickin, good lookin?
  7. 1997 Cadillac STS
  8. put on magnaflow mufflers still quiet?
  9. A river runs through it - valve covers and PCV baffles
  10. Northstar Powered MR2?
  11. 94 eldo pcm code P083
  12. Need help and advice on installing the new Northstar
  13. HP Tuners now offering V6 & V8 Tuning Systems
  14. Intake full of sludge/Intake removal
  15. electrical problem Northstar
  16. 4T80E Modification
  17. Torque Management VS Traction Control Reduced Torque
  18. Northstar Starting problems
  19. Head Gasket Repair Questions
  20. Blue smoke.
  21. Engine Overheat Brake Caliper??
  22. Name this part (again)
  23. Time-Sert
  24. Anyone got a Timesert Bigsert Kit?
  25. NEED HELP, T061, and S030 codes, have info but no solution
  26. Oil (lots) in No. 2 cyl
  27. where can I purchase a fuel injector remover tool?
  28. The NEW Cat-Back is DONE! (kinda)
  29. radiator
  30. how long does it take to replace and install fuel injectors
  31. Mystery Grind in Transmission, Engine, Where?
  32. ok kinda noobish but give me a quick reply
  33. Videoclip of new Exhaust (for those who missed my other thread)
  34. Timsert Kit for sale unused, 1999/earlier N*
  35. any tips for inserting fuel injector back into fuel rail?
  36. Prestone Extended Life Coolant - All Makes and Models
  37. Timeserts good for the WOT tune-up?
  38. Temp rise after giving it gas
  39. Serpentine Belt Shredded/radiator Has Leak Now
  40. 2000 ElDorado Coach Builders LTD Hard Boot
  41. High Idle + no Brake
  42. timings off
  43. Magnaflow exhaust
  44. My 2001 STS' Repair History
  45. N* Injectors?
  46. 99 Deville Check Engine Light
  47. A Little "smoke" From The Back Of A 1993 N* Sts
  48. Northstar average engine temp ?
  49. intermittent random oil pressure light?
  50. Leaking Transmission Fluid
  51. Coolant
  52. What percentage of Northstar engines have headgasket problems?
  53. Translate 96 Codes
  54. my magnaflow exhaus vid yes another
  55. 95 SLS n* timesert completed-special tool made!
  56. Water Pump Replaced (99 Deville)
  57. cant fix hard hot start for the life of me
  58. separating motor and transaxle??
  59. performance options
  60. 98 STS engine swap -need a bit of help
  61. 2004 Northstar - Tapping Noise, Lifter Or Timing Chain?
  62. O2 repair-Domino Effect-Need Help
  63. 1997 STS problems
  64. Transmission Swap
  65. TCC codes P0741 & P1860 questions
  66. Head gasket problem in '97 STS, looking for a new engine
  67. Looked up codes but still confused
  68. CHRFAB Intake Manifold
  69. Need Help Guys 00 Northstar Coil Problem
  70. Surge Tank
  71. Presidential Limo Breaks Down
  72. Nitrous is Here!!
  73. NS300L Insert System, Anyone have these kind?
  74. HELP! Code P1646.. Evaporative emission (EVAP) vent Solenoid Control Circuit
  75. '95 SLS Rough Idle
  76. 1997 cadillac devill d,elegance
  77. top speed
  78. Induction system and adhesives
  79. I think it's the Tensioner
  80. In Need of Timersert
  81. 97' deville---new radiator but now losing engine oil
  82. How bad am I getting screwed?
  83. 00 to 05 T-body Dimensions
  84. Factory strut tower brace and "dogbones" - can i do better?
  85. N* teardown for successful timing on assembly
  86. changing N* oil w/o lift
  87. fuel system tune up?
  88. '05 DeVille, Two Black Cam Covers?
  89. Second Head Gasket problem, 93 Eldorado
  90. pricing Time Serts
  91. Need Help DIC Warning Messages (w/Codes!)
  92. Older (95) Northstar Re-Torque?
  93. Volant - The long awaited very custom install (pics)
  94. Camshaft Pulley will not come off!!
  95. For you guys who have done a headgasket job on the 4.6
  96. Crank sensor and PCM History
  97. How do you pull injectors????
  98. need N* casting/part#s for ID
  99. Help with codes from DIC
  100. Head Gasket or Something Else (Steamy Exhaust)
  101. northstar shuts down
  102. Another coolant/radiator/headgasket question
  103. Rochester QJ and N* Throttlebodies
  104. What weight and type oil to use?
  105. Differences in Northstars - '93-'97, also cheap head gasket fix...
  106. 4T80E 3.11 to 3.71 swap
  107. How to clean Piston Rings my way
  108. Coolant use
  109. Re-mounting PCM - Idea?
  110. Biggest Question To All..
  111. Head Bolt Torque Value?
  112. Northstar head gaskets replaced -- a good thing?
  113. Northstar "check coolant level" -- trying to understand basics
  114. 4.4L information
  115. 2000 to 2004 or 5 Northstar information
  116. RWD Northstar information
  117. 93 to 99 Northstar dis-assembly and inspection
  118. 93 to 99 O/H assembly
  119. Superchargers are here!
  120. Suspension compressor lube and NRV - help!
  121. Someone please help, i need to know whats this part.
  122. Harmonic Balancer. Dangerous?
  123. Coolant Loss and Overheating
  124. Alternator
  125. Transmission Fluid
  126. Fuel Injector Problem I Think
  127. Northstar owner loosing faith
  128. overheating problem
  129. tachometer like a rollercoaster...
  130. head bolts
  131. Sign of upcoming headgasket problem?
  132. 99 ELDO coolant level Question.
  133. A/C Recharging Help
  134. 98 deville fluttering sound
  135. 02/03 Alternator regulator
  136. 99 Deville over heating NOT HG I think
  137. I Need Cheap 97 insert kit
  138. Timesert pulled when torquing headbolts-What Now??
  139. Northstar crate or rebuild??
  140. Is the N* overrated?
  141. I found my leak, now i need help
  142. Cheapest way to do HG's?????
  143. Aurora N* questions
  144. dyno #s
  145. 00 DeVille check coolant level
  146. Coolant Smell after Shut Down?
  147. Think Northstar headgaskets are expensive??
  148. bad cylinder
  149. 99 N* Issue
  150. 01Deville MISFIRE
  151. Replaced your Power Steering Pump? Come on IN!!!
  152. still overheating
  153. Is DEX save for engines?
  154. Could a bad catalytic converter also decrease my gas mileage?
  155. Timing chain tensioner tool
  156. Lambo V12 similiar to N*?
  157. Sudden drop in fuel economy with AC on
  158. 2000 N* is it safe to fill it with a non sinthetic oil?
  159. Water pump replacement
  160. broken coolant reservoir in my N*
  161. 94 STS Won't accelerate w/o almost stalling the engine.
  162. Check Engine Codes, vibration
  163. '94 N* Touring coupe with PO37 code?
  164. **Update** Head gasket on 99 Deville
  165. WANTED Time Sert Kit Rental
  166. what is OBDII
  167. Back Pressure in Cooling System?
  168. i need help on how to change my headgasket on my 99 seville sls
  169. Help with two noises from '97 Northstar
  170. More Northstar head gasket questions...
  171. Considering used Northstar- need advice
  172. Problems with N* motor
  173. P094 = Tranny rebuilt?
  174. Cooling Fans NEED HELP.
  175. Cheap Mechanic in Des Moines?
  176. N* HG Repair, Drop cradle or Pull engine?
  177. new radiator
  178. Replacing various parts
  179. are time serts asbsolutely necessary
  180. carbon on tailpipes, and why?
  181. TC0073 ???? I have searched with not a REAL answer
  182. P0171 and P0174 codes: Intake leak?
  183. Need Some Feedback
  184. p0300 Engine Misfire
  185. 99 STS in Distress
  186. Question about Dexcool for the Northstar 4.6
  187. Suggest new catorgory"Northstar Tuning"
  188. Interesting Observation with Volant.
  189. 2007 Northstar VIN A PCM Pinouts
  190. symptoms and cuases of headgasket
  191. 98 sts bogging and backfiring
  192. 30,000 mile service
  193. 94 sts strange issue
  194. can't find anyone who knows the answer
  195. Changing spark plugs on a Northstar
  196. 00 deville P0300
  197. locating dowels
  198. Northstar overheating causes
  199. 00 deville cylinder #4
  200. p1375 icm 24x reference voltage too high and p1350 ignition control system
  201. Leaking Head Gaskets & Extended Warranty
  202. 05 DTS Northstar fuel economy
  203. '98 STS Camshaft
  204. low oil pressure / battery no charge on DIC
  205. lower motor mount
  206. Solid Motor Mount?
  207. 1997 DeVille Head Gasket Repair
  208. cracked engine block
  209. Tim Allens 400HP naturally asp. N*
  210. How to get out cylinder head alignment bushings???
  211. A\C Question!!!!!!!!!!!!!!
  212. How much horsepower in 1997 Professional Chassis (Limo)?
  213. just installed alternator, NOW WHAT!
  214. Interesting problem - highway stalling
  215. Myth!!!!! Octane 99 and prior VS 00+
  216. Finding New Mechanic: Questions to Ask
  217. 02 deville spark plug replacement
  218. So, i just talked to one of the engineers at GM that worked on the northstar
  219. 93-99 Dis ????
  220. Oil missing from pan
  221. N* Stock Internals
  222. Changing HG, will heads be ok?
  223. Wrong headbolts
  224. What peformance chip is better for 02 dts?
  225. Valve Train Ticking
  226. engine-trans bolts
  227. Low oil pressure warning
  228. Help With My 99' N* Hg Job
  229. Data loging with performance monitoring and measuring devices
  230. 99 Northstar burning coolant somewhere!
  231. Power steering leak
  232. Is it Normal to Leak????
  233. front motor mount
  234. Bouncing Idle, new sparkplugs and oil after seafoam or TEC?
  235. Time-Sert
  236. Hitting 150k or more, is it realistic on my car?
  237. "If it wasn't for bad luck....you know the rest
  238. Northstar remanufactured engine source
  239. Engine revving on its own
  240. what color is dexcool?
  241. How about a Northstar Survival Guide
  242. setting timing
  243. I have a little oil in the spark plug wells, anything to worry about?
  244. Swapping Engine To A Non-Northstar
  245. Engine just dies
  246. oil cooler
  247. Mass air flow sensor Help please
  248. Rustling noise and loss of power
  249. Will the REAL Dexcool Please Stand Up?
  250. New N* Owner - What to look for?