: Northstar Engines and System Technical Discussion



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  1. '94 N* Touring coupe with PO37 code?
  2. Check Engine Codes, vibration
  3. 94 STS Won't accelerate w/o almost stalling the engine.
  4. broken coolant reservoir in my N*
  5. Water pump replacement
  6. 2000 N* is it safe to fill it with a non sinthetic oil?
  7. Sudden drop in fuel economy with AC on
  8. Lambo V12 similiar to N*?
  9. Timing chain tensioner tool
  10. Could a bad catalytic converter also decrease my gas mileage?
  11. Is DEX save for engines?
  12. still overheating
  13. Replaced your Power Steering Pump? Come on IN!!!
  14. 01Deville MISFIRE
  15. 99 N* Issue
  16. bad cylinder
  17. Think Northstar headgaskets are expensive??
  18. Coolant Smell after Shut Down?
  19. 00 DeVille check coolant level
  20. dyno #s
  21. Aurora N* questions
  22. Cheapest way to do HG's?????
  23. I found my leak, now i need help
  24. Is the N* overrated?
  25. Northstar crate or rebuild??
  26. Timesert pulled when torquing headbolts-What Now??
  27. I Need Cheap 97 insert kit
  28. 99 Deville over heating NOT HG I think
  29. 02/03 Alternator regulator
  30. 98 deville fluttering sound
  31. A/C Recharging Help
  32. 99 ELDO coolant level Question.
  33. Sign of upcoming headgasket problem?
  34. head bolts
  35. tachometer like a rollercoaster...
  36. overheating problem
  37. Northstar owner loosing faith
  38. Fuel Injector Problem I Think
  39. Transmission Fluid
  40. Alternator
  41. Coolant Loss and Overheating
  42. Harmonic Balancer. Dangerous?
  43. Someone please help, i need to know whats this part.
  44. Suspension compressor lube and NRV - help!
  45. Superchargers are here!
  46. 93 to 99 O/H assembly
  47. 93 to 99 Northstar dis-assembly and inspection
  48. RWD Northstar information
  49. 2000 to 2004 or 5 Northstar information
  50. 4.4L information
  51. Northstar "check coolant level" -- trying to understand basics
  52. Northstar head gaskets replaced -- a good thing?
  53. Head Bolt Torque Value?
  54. Biggest Question To All..
  55. Re-mounting PCM - Idea?
  56. Coolant use
  57. How to clean Piston Rings my way
  58. 4T80E 3.11 to 3.71 swap
  59. Differences in Northstars - '93-'97, also cheap head gasket fix...
  60. What weight and type oil to use?
  61. Rochester QJ and N* Throttlebodies
  62. Another coolant/radiator/headgasket question
  63. northstar shuts down
  64. Head Gasket or Something Else (Steamy Exhaust)
  65. Help with codes from DIC
  66. need N* casting/part#s for ID
  67. How do you pull injectors????
  68. Crank sensor and PCM History
  69. For you guys who have done a headgasket job on the 4.6
  70. Camshaft Pulley will not come off!!
  71. Volant - The long awaited very custom install (pics)
  72. Older (95) Northstar Re-Torque?
  73. Need Help DIC Warning Messages (w/Codes!)
  74. pricing Time Serts
  75. Second Head Gasket problem, 93 Eldorado
  76. '05 DeVille, Two Black Cam Covers?
  77. fuel system tune up?
  78. changing N* oil w/o lift
  79. N* teardown for successful timing on assembly
  80. Factory strut tower brace and "dogbones" - can i do better?
  81. 00 to 05 T-body Dimensions
  82. How bad am I getting screwed?
  83. 97' deville---new radiator but now losing engine oil
  84. In Need of Timersert
  85. I think it's the Tensioner
  86. Induction system and adhesives
  87. top speed
  88. 1997 cadillac devill d,elegance
  89. '95 SLS Rough Idle
  90. HELP! Code P1646.. Evaporative emission (EVAP) vent Solenoid Control Circuit
  91. NS300L Insert System, Anyone have these kind?
  92. Nitrous is Here!!
  93. Presidential Limo Breaks Down
  94. Surge Tank
  95. Need Help Guys 00 Northstar Coil Problem
  96. CHRFAB Intake Manifold
  97. Looked up codes but still confused
  98. Head gasket problem in '97 STS, looking for a new engine
  99. TCC codes P0741 & P1860 questions
  100. Transmission Swap
  101. 1997 STS problems
  102. O2 repair-Domino Effect-Need Help
  103. 2004 Northstar - Tapping Noise, Lifter Or Timing Chain?
  104. 98 STS engine swap -need a bit of help
  105. performance options
  106. separating motor and transaxle??
  107. cant fix hard hot start for the life of me
  108. Water Pump Replaced (99 Deville)
  109. 95 SLS n* timesert completed-special tool made!
  110. my magnaflow exhaus vid yes another
  111. Translate 96 Codes
  112. What percentage of Northstar engines have headgasket problems?
  113. Coolant
  114. Leaking Transmission Fluid
  115. intermittent random oil pressure light?
  116. Northstar average engine temp ?
  117. A Little "smoke" From The Back Of A 1993 N* Sts
  118. 99 Deville Check Engine Light
  119. N* Injectors?
  120. My 2001 STS' Repair History
  121. Magnaflow exhaust
  122. timings off
  123. High Idle + no Brake
  124. 2000 ElDorado Coach Builders LTD Hard Boot
  125. Serpentine Belt Shredded/radiator Has Leak Now
  126. Temp rise after giving it gas
  127. Timeserts good for the WOT tune-up?
  128. Prestone Extended Life Coolant - All Makes and Models
  129. any tips for inserting fuel injector back into fuel rail?
  130. Timsert Kit for sale unused, 1999/earlier N*
  131. Videoclip of new Exhaust (for those who missed my other thread)
  132. ok kinda noobish but give me a quick reply
  133. Mystery Grind in Transmission, Engine, Where?
  134. how long does it take to replace and install fuel injectors
  135. radiator
  136. The NEW Cat-Back is DONE! (kinda)
  137. where can I purchase a fuel injector remover tool?
  138. Oil (lots) in No. 2 cyl
  139. NEED HELP, T061, and S030 codes, have info but no solution
  140. Anyone got a Timesert Bigsert Kit?
  141. Time-Sert
  142. Name this part (again)
  143. Engine Overheat Brake Caliper??
  144. Blue smoke.
  145. Head Gasket Repair Questions
  146. Northstar Starting problems
  147. Torque Management VS Traction Control Reduced Torque
  148. 4T80E Modification
  149. electrical problem Northstar
  150. Intake full of sludge/Intake removal
  151. HP Tuners now offering V6 & V8 Tuning Systems
  152. Need help and advice on installing the new Northstar
  153. 94 eldo pcm code P083
  154. Northstar Powered MR2?
  155. A river runs through it - valve covers and PCV baffles
  156. put on magnaflow mufflers still quiet?
  157. 1997 Cadillac STS
  158. Whats tickin, good lookin?
  159. NorthStar Missing?
  160. Better mpg in the city with the traction control OFF?
  161. Moving Tapping Noise/Knocking Noises
  162. quick performance question
  163. 94 Sts Export Ecm
  164. where can i find the serial # on the v8 northstar 98
  165. Oil Pressure Problem (yeah another one...)
  166. GM EOS Asst Lube
  167. Northstar Oil Change Procedure
  168. N* No Start After Head gasket
  169. Tell me about dyno's please
  170. Engine oil cooler question
  171. Oil Cooler
  172. Question on a code....
  173. power max spark plug wire set
  174. Engine Power Circuit?
  175. some new oil information
  176. spark plugs and wires
  177. Shell Rotella T 10W-30 CJ-4/SM
  178. Question about varying coolant temp
  179. Question on Exhasut smoke/Chemical agent repair
  180. Blue/black Smoke only after Idle
  181. 94 SLS back cyls spark, don't fire, smoke
  182. Knocking On My Northstar Engine 96 STS Sevile
  183. How to defeat TC and maintain 1st gear
  184. Stay away from Guys Tire Buys in Staten Island NY
  185. 94 N* Fuel Problem. Need some Help !!
  186. coolant too hot
  187. N* 25 Lbs Pressure Blows Radiator Seal
  188. I got a present from summit racing today...
  189. Help! Stuck piston in n* I need help!
  190. thermostat
  191. Ok now This is getting CRAZY N* Problem
  192. N* Oil Cooler And/or Tranny Cooler
  193. water pump
  194. Broken Timeserts
  195. Northstar runs PERFECT THEN DIES
  196. N* Coolant Tough To Fill
  197. 94 - 95 n* motor tranny ecm 4 sale
  198. Does this stand to reason - Get your engineering degree ready
  199. What is timesert
  200. Track Results from Today!!
  201. cracked block
  202. My Northstar adventure is finally over...
  203. How hard is it to change the plugs on a N*
  204. Took the Caddy out Racin...now I want to mod
  205. JUST HIT 100k mi TONIGHT!!!
  206. 02 Deville Overheating
  207. NEED HELP gotta get engine buttoned up after install
  208. 2000 Cadillac STSi race car
  209. Team Northstar Le Mans Prototype race car
  210. Northstar Info Website
  211. '98 Eldorado codes
  212. Please help with codes>>>
  213. Stainless Fuel Rail Schrader Valve Size
  214. Shake on idle until throttle applied
  215. Does the aurora N* have the same issues?
  216. 93 MAP Sensor Shorted
  217. Nitrous Use on 96+ N* - got some ?'s
  218. 96 sts check engine light on but no codes
  219. '95 Eldorado Sputtering and Backfiring?
  220. 2000 Deville DTS engine codes, please help
  221. No start or spark
  222. New but still overheating
  223. Spark Plug Wires - Idea?
  224. rambling about intake - and porting/mod worklog
  225. Northstar question
  226. n* ?
  227. Chevron Delo 10W-30
  228. Buying a new Caddy - Advice?
  229. How late is too late for fuel rail recall
  230. N* Serial number
  231. Has anyone done a TC in a N* car?
  232. A\C Trouble
  233. BigSert Kit
  234. Cooling System Question
  235. Alternator Cooling
  236. Service Stability System On & ABS light
  237. Which codes....?
  238. G-Northstar Intake Plug
  239. Anybody here have Dynomax Super Turbos on your Northstar?
  240. Head gasket poll... please check in.
  241. Po172 & Po174 Fixed 2001 Dts
  242. northstars in general
  243. Anyone actually done a head gasket in car
  244. Conversion to LSx Throttle body
  245. intake/TB interchange question!
  246. Aftermarket Replacement Ignition Coils? Step in!
  247. 1995 SLS cranking but not starting, code p035
  248. Torque Converter while the trans is out
  249. Doing a half case reseal myself?
  250. how to fix these two code problems?