: Northstar Engines and System Technical Discussion



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