: Northstar Engines and System Technical Discussion



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  1. Data loging with performance monitoring and measuring devices
  2. Help With My 99' N* Hg Job
  3. Low oil pressure warning
  4. engine-trans bolts
  5. Valve Train Ticking
  6. What peformance chip is better for 02 dts?
  7. Wrong headbolts
  8. Changing HG, will heads be ok?
  9. N* Stock Internals
  10. Oil missing from pan
  11. 93-99 Dis ????
  12. So, i just talked to one of the engineers at GM that worked on the northstar
  13. 02 deville spark plug replacement
  14. Finding New Mechanic: Questions to Ask
  15. Myth!!!!! Octane 99 and prior VS 00+
  16. Interesting problem - highway stalling
  17. just installed alternator, NOW WHAT!
  18. How much horsepower in 1997 Professional Chassis (Limo)?
  19. A\C Question!!!!!!!!!!!!!!
  20. How to get out cylinder head alignment bushings???
  21. Tim Allens 400HP naturally asp. N*
  22. cracked engine block
  23. 1997 DeVille Head Gasket Repair
  24. Solid Motor Mount?
  25. lower motor mount
  26. low oil pressure / battery no charge on DIC
  27. '98 STS Camshaft
  28. 05 DTS Northstar fuel economy
  29. Leaking Head Gaskets & Extended Warranty
  30. p1375 icm 24x reference voltage too high and p1350 ignition control system
  31. 00 deville cylinder #4
  32. Northstar overheating causes
  33. locating dowels
  34. 00 deville P0300
  35. Changing spark plugs on a Northstar
  36. can't find anyone who knows the answer
  37. 94 sts strange issue
  38. 30,000 mile service
  39. 98 sts bogging and backfiring
  40. symptoms and cuases of headgasket
  41. 2007 Northstar VIN A PCM Pinouts
  42. Interesting Observation with Volant.
  43. Suggest new catorgory"Northstar Tuning"
  44. Question about Dexcool for the Northstar 4.6
  45. 99 STS in Distress
  46. p0300 Engine Misfire
  47. Need Some Feedback
  48. P0171 and P0174 codes: Intake leak?
  49. TC0073 ???? I have searched with not a REAL answer
  50. carbon on tailpipes, and why?
  51. are time serts asbsolutely necessary
  52. Replacing various parts
  53. new radiator
  54. N* HG Repair, Drop cradle or Pull engine?
  55. Cheap Mechanic in Des Moines?
  56. Cooling Fans NEED HELP.
  57. P094 = Tranny rebuilt?
  58. Problems with N* motor
  59. Considering used Northstar- need advice
  60. More Northstar head gasket questions...
  61. Help with two noises from '97 Northstar
  62. i need help on how to change my headgasket on my 99 seville sls
  63. Back Pressure in Cooling System?
  64. what is OBDII
  65. WANTED Time Sert Kit Rental
  66. **Update** Head gasket on 99 Deville
  67. '94 N* Touring coupe with PO37 code?
  68. Check Engine Codes, vibration
  69. 94 STS Won't accelerate w/o almost stalling the engine.
  70. broken coolant reservoir in my N*
  71. Water pump replacement
  72. 2000 N* is it safe to fill it with a non sinthetic oil?
  73. Sudden drop in fuel economy with AC on
  74. Lambo V12 similiar to N*?
  75. Timing chain tensioner tool
  76. Could a bad catalytic converter also decrease my gas mileage?
  77. Is DEX save for engines?
  78. still overheating
  79. Replaced your Power Steering Pump? Come on IN!!!
  80. 01Deville MISFIRE
  81. 99 N* Issue
  82. bad cylinder
  83. Think Northstar headgaskets are expensive??
  84. Coolant Smell after Shut Down?
  85. 00 DeVille check coolant level
  86. dyno #s
  87. Aurora N* questions
  88. Cheapest way to do HG's?????
  89. I found my leak, now i need help
  90. Is the N* overrated?
  91. Northstar crate or rebuild??
  92. Timesert pulled when torquing headbolts-What Now??
  93. I Need Cheap 97 insert kit
  94. 99 Deville over heating NOT HG I think
  95. 02/03 Alternator regulator
  96. 98 deville fluttering sound
  97. A/C Recharging Help
  98. 99 ELDO coolant level Question.
  99. Sign of upcoming headgasket problem?
  100. head bolts
  101. tachometer like a rollercoaster...
  102. overheating problem
  103. Northstar owner loosing faith
  104. Fuel Injector Problem I Think
  105. Transmission Fluid
  106. Alternator
  107. Coolant Loss and Overheating
  108. Harmonic Balancer. Dangerous?
  109. Someone please help, i need to know whats this part.
  110. Suspension compressor lube and NRV - help!
  111. Superchargers are here!
  112. 93 to 99 O/H assembly
  113. 93 to 99 Northstar dis-assembly and inspection
  114. RWD Northstar information
  115. 2000 to 2004 or 5 Northstar information
  116. 4.4L information
  117. Northstar "check coolant level" -- trying to understand basics
  118. Northstar head gaskets replaced -- a good thing?
  119. Head Bolt Torque Value?
  120. Biggest Question To All..
  121. Re-mounting PCM - Idea?
  122. Coolant use
  123. How to clean Piston Rings my way
  124. 4T80E 3.11 to 3.71 swap
  125. Differences in Northstars - '93-'97, also cheap head gasket fix...
  126. What weight and type oil to use?
  127. Rochester QJ and N* Throttlebodies
  128. Another coolant/radiator/headgasket question
  129. northstar shuts down
  130. Head Gasket or Something Else (Steamy Exhaust)
  131. Help with codes from DIC
  132. need N* casting/part#s for ID
  133. How do you pull injectors????
  134. Crank sensor and PCM History
  135. For you guys who have done a headgasket job on the 4.6
  136. Camshaft Pulley will not come off!!
  137. Volant - The long awaited very custom install (pics)
  138. Older (95) Northstar Re-Torque?
  139. Need Help DIC Warning Messages (w/Codes!)
  140. pricing Time Serts
  141. Second Head Gasket problem, 93 Eldorado
  142. '05 DeVille, Two Black Cam Covers?
  143. fuel system tune up?
  144. changing N* oil w/o lift
  145. N* teardown for successful timing on assembly
  146. Factory strut tower brace and "dogbones" - can i do better?
  147. 00 to 05 T-body Dimensions
  148. How bad am I getting screwed?
  149. 97' deville---new radiator but now losing engine oil
  150. In Need of Timersert
  151. I think it's the Tensioner
  152. Induction system and adhesives
  153. top speed
  154. 1997 cadillac devill d,elegance
  155. '95 SLS Rough Idle
  156. HELP! Code P1646.. Evaporative emission (EVAP) vent Solenoid Control Circuit
  157. NS300L Insert System, Anyone have these kind?
  158. Nitrous is Here!!
  159. Presidential Limo Breaks Down
  160. Surge Tank
  161. Need Help Guys 00 Northstar Coil Problem
  162. CHRFAB Intake Manifold
  163. Looked up codes but still confused
  164. Head gasket problem in '97 STS, looking for a new engine
  165. TCC codes P0741 & P1860 questions
  166. Transmission Swap
  167. 1997 STS problems
  168. O2 repair-Domino Effect-Need Help
  169. 98 STS engine swap -need a bit of help
  170. performance options
  171. separating motor and transaxle??
  172. cant fix hard hot start for the life of me
  173. Water Pump Replaced (99 Deville)
  174. 95 SLS n* timesert completed-special tool made!
  175. my magnaflow exhaus vid yes another
  176. Translate 96 Codes
  177. What percentage of Northstar engines have headgasket problems?
  178. Coolant
  179. Leaking Transmission Fluid
  180. intermittent random oil pressure light?
  181. Northstar average engine temp ?
  182. A Little "smoke" From The Back Of A 1993 N* Sts
  183. 99 Deville Check Engine Light
  184. N* Injectors?
  185. My 2001 STS' Repair History
  186. Magnaflow exhaust
  187. timings off
  188. High Idle + no Brake
  189. 2000 ElDorado Coach Builders LTD Hard Boot
  190. Serpentine Belt Shredded/radiator Has Leak Now
  191. Temp rise after giving it gas
  192. Timeserts good for the WOT tune-up?
  193. Prestone Extended Life Coolant - All Makes and Models
  194. any tips for inserting fuel injector back into fuel rail?
  195. Timsert Kit for sale unused, 1999/earlier N*
  196. Videoclip of new Exhaust (for those who missed my other thread)
  197. ok kinda noobish but give me a quick reply
  198. Mystery Grind in Transmission, Engine, Where?
  199. how long does it take to replace and install fuel injectors
  200. radiator
  201. The NEW Cat-Back is DONE! (kinda)
  202. where can I purchase a fuel injector remover tool?
  203. Oil (lots) in No. 2 cyl
  204. NEED HELP, T061, and S030 codes, have info but no solution
  205. Anyone got a Timesert Bigsert Kit?
  206. Time-Sert
  207. Name this part (again)
  208. Engine Overheat Brake Caliper??
  209. Blue smoke.
  210. Head Gasket Repair Questions
  211. Northstar Starting problems
  212. Torque Management VS Traction Control Reduced Torque
  213. 4T80E Modification
  214. electrical problem Northstar
  215. Intake full of sludge/Intake removal
  216. HP Tuners now offering V6 & V8 Tuning Systems
  217. Need help and advice on installing the new Northstar
  218. 94 eldo pcm code P083
  219. Northstar Powered MR2?
  220. A river runs through it - valve covers and PCV baffles
  221. put on magnaflow mufflers still quiet?
  222. 1997 Cadillac STS
  223. Whats tickin, good lookin?
  224. NorthStar Missing?
  225. Better mpg in the city with the traction control OFF?
  226. Moving Tapping Noise/Knocking Noises
  227. quick performance question
  228. 94 Sts Export Ecm
  229. where can i find the serial # on the v8 northstar 98
  230. Oil Pressure Problem (yeah another one...)
  231. GM EOS Asst Lube
  232. Northstar Oil Change Procedure
  233. N* No Start After Head gasket
  234. Tell me about dyno's please
  235. Engine oil cooler question
  236. Oil Cooler
  237. Question on a code....
  238. power max spark plug wire set
  239. Engine Power Circuit?
  240. some new oil information
  241. spark plugs and wires
  242. Shell Rotella T 10W-30 CJ-4/SM
  243. Question about varying coolant temp
  244. Question on Exhasut smoke/Chemical agent repair
  245. Blue/black Smoke only after Idle
  246. 94 SLS back cyls spark, don't fire, smoke
  247. Knocking On My Northstar Engine 96 STS Sevile
  248. How to defeat TC and maintain 1st gear
  249. Stay away from Guys Tire Buys in Staten Island NY
  250. 94 N* Fuel Problem. Need some Help !!