: Northstar Engines and System Technical Discussion



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