: Northstar Engines and System Technical Discussion



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