: Northstar Engines and System Technical Discussion



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