: Northstar Engines and System Technical Discussion



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  1. OBD II computer
  2. a question
  3. Oxytane?
  4. What Engines Can I Use???
  5. Oil getting sucked in through PCV Valve: Old Mechanic's Tale?!
  6. Fuel Rail Leak
  7. Rotten Egg
  8. '95 eldo TC fuel smell in cabin & hard-start
  9. can i use marvel mystery oil?
  10. Pros/cons Of Waterwetter For Northstar
  11. Over Heat Feature
  12. Torque Convertor Viscous?
  13. Can't find IP, TC, PZ, RS code info
  14. P056 easy fix
  15. Northstar misfire and backfire
  16. Throttle body size question, and HEADERS-where can I find some?????
  17. 93-94 wrist pin problems????
  18. Brand New Northstar Engine For $2500
  19. gunning cadillacs...was it NOT worth it? :-\
  20. Intake Assembly
  21. can 94 interchange with one another.
  22. Back fire in the induction system
  23. Caddy won't go into Overdrive Any ideas?
  24. Fastchip vs Superchip ...
  25. Coolant temp 250 is this too high? No warnings and fans on low?
  26. 0-60 specs: 95' N* impressive
  27. Swaping A From Y To 9
  28. need help
  29. 2000 Dts 60k Service?!?!?
  30. Revised Emissions Woes
  31. Any GM/Cadillac certified mechanics on board? PLEASE HELP
  32. Chip for Eldo 95 LE
  33. 97 SLS Stalls Only On Hot Days
  34. Throttle body cleaning question
  35. Oil Pan Gasket Change
  36. Who agrees that the Northstar is due for an overhaul by Cadillac?
  37. High Speed fan switch not working/working well
  38. 94 concours has no warning info messages!!!!
  39. Reasons for a/c compressor inop ?
  40. Q. for anyone who knows re: FWD N* - Why Transverse?
  41. 93 seville driving on its own
  42. engine temp?
  43. Down To The Wire: last minute thoughts please
  44. where are the 25 horses
  45. North * reliability?
  46. "Induction Performance Service"?
  47. How do I know if I need the computer updated?
  48. Oil Pressure Drop
  49. ? for those with aftermarket intakes
  50. Coolant Overflow
  51. gunning cadillacs...is it worth it?
  52. 96 Eldorado heating up...
  53. 1994 Eldorado 4.6L Tapping Noise
  54. Cooling Temps.
  55. Hard shift outta 1st
  56. "Weeping" Head Gasket
  57. Obd1
  58. Help With Code 39 Tcc Off
  59. Idle Problems
  60. squeak on 97 deville
  61. crate 2000 Northstar in a 59 Chevy Suburban
  62. cold start/warm start
  63. 1994 SLS 4.6 Oil Pressure Switch Woes
  64. Colours
  65. Odd Tune Up Question
  66. P0741 TCC stuck off
  67. Pre 2000 Northstars
  68. ShadowLvr400
  69. Replace transaxle seals or not?
  70. Vacuum line routing?
  71. Bobynski!
  72. need rebuilt short block-Northstar
  73. aftermarket CPU ???
  74. 2001 deville go fast parts ???
  75. EGR Pintle Stuck????
  76. High Temps?
  77. Gear Shift Position Indicator 1994 STS
  78. Misfire/hesitation
  79. Race day mods?
  80. 97 Sedan Deville oil change
  81. motor idles eratically at start and then dies
  82. Low Oil Pressure 1994 SLS 4.6 144k
  83. Right or left, Help Please!!!
  84. Need Code Info
  85. 1996 sts need help won't start
  86. Engine crud @ head gasket repair
  87. One fan or two?
  88. Failed emissions....plugs and wires...?
  89. General Questoin
  90. Overheating --- Still!!!!!!!!
  91. What are these trouble codes? Help!
  92. AAARRRGHHH...Where's the #$@#) switch?!?!
  93. Help! Dealer wants $$ for recall fuel rail!
  94. Very Long, EBTCM
  95. Northstar Maintenance -Tune Up
  96. K&N filters
  97. Check engine soon ! Why ?
  98. Waterpump reliability
  99. No one can figure it out!!! Help!!!
  100. In need of expertise
  101. SC44 and SC55
  102. why are the northstar engines always catching on fire?
  103. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  104. 4.9L NorthStar Performance Upgrades???
  105. Need new/rebuilt '96 Seville engine
  106. 100K warranty
  107. Noise from PS pump.
  108. Wanted!! '00+ rear tranny mount
  109. PO 441 error
  110. Help!!
  111. Rubber gone in the top motor mounts
  112. Stop Engine Low oil pressure
  113. Help with fixing a broken shift solenoid
  114. Tranny detent cable question
  115. po29????
  116. '96 STS Engine Stalling - Possible Electrical Problem?
  117. It's time to tear into her!!
  118. Codes PC0300, PC1139, PZ2719
  119. Crack my Block!!!!!!
  120. "Y" code vs. "9" Code
  121. Northstar 97 sls was hard 2 start--now no start
  122. 1997 Seville STS - Oil Leak Problems?
  123. 130k gaskets vs. 88k transplant
  124. Unlimited funds....almost
  125. Service Emissions System
  126. air plenum and coolant...
  127. error codes p0113 &503
  128. Computer codes and more help wanted
  129. coolant and A/C fans broken blades & mounting arms
  130. 1996 Sedan Deville Knock Sensor
  131. Newbie needs help
  132. frozen serpentine belt tensioner
  133. New Northstar, Unleaded or Premium?
  134. Want to buy northstar coils...
  135. Northstar indicates overheat
  136. BBOB - North* Oil Usage Comment
  137. Bad Cylinder?? Low compression?? Need help.
  138. Steam Engine, Now What?
  139. Zero Oil Pressure!! HELP!!
  140. INtake Manifold
  141. N*, Gas drowning my cylinder, getting smoke
  142. 2 Trans oil purge questions...or more?
  143. Erratic Throttle
  144. Strange Readings 1994 Deville Concourse N*
  145. What would a gas coating on a plug mean?
  146. BBOB - thermostat?
  147. Steam from Tail Pipe?
  148. exhaust questions
  149. water pump tool
  150. Cluster Question - Low Oil Pressure
  151. Limp home mode?
  152. Flowmasters?
  153. Flexplate to Torque converter - loctite??
  154. "Check Oil Level" message question
  155. hole in aluminum Radiator - help wanted
  156. Help Eldo Completely Dead But Batt.has Voltage
  157. Rough Idle...Sluggish Acceleration....
  158. Trouble codes
  159. P0741 - TCC System Stuck Off ???
  160. Clueless N* owners with 4 codes
  161. A P059 code?
  162. Longevity of the N* timing chain nylon tensioner pads ?
  163. What type of Power Steering fluid to use in 93 N* Eldo ?
  164. Limp Home Feature?
  165. Last pressure test update - hopefully!!!
  166. How important (really) is an oil cooler?
  167. Cascading multi-module failure-BBOB?
  168. Hesitation when a/c is on?
  169. PCV valve location 2003 Deville
  170. 4T80E Trans neutraling out in Drive/OD
  171. P 028 code AND overheating?
  172. 96 Deville Waterpump belt removal
  173. Is my car misfiring?
  174. Misfire Woes
  175. Another pressure test update
  176. Can dex-cool replace green anti-f?
  177. more head gasket headaches
  178. Egr
  179. More pressure test questions
  180. Nice job on headbolt quality control
  181. 4.0 to 4.6 swap ?
  182. BBOB - did the press test/overheating/????
  183. Timesert kit needed
  184. Tapping Lifters at start
  185. Northstar Gasket Replacement $?
  186. coil packs on 93 ETC?
  187. Eating Oil.......
  188. Eror code p0153
  189. ac only blows worm air
  190. air intake pro's & cons
  191. Brand new N*...
  192. 1997 Seville - Tranny
  193. Head gasket progress/ performance?
  194. Bbob - Tranny Oil Cooler Line Quest.
  195. Eldo idle and low speed running ODD- HELP!
  196. 93 Northstar using 5w-30 ?
  197. Cleaning Engine
  198. when do the fans come on?
  199. Fun with lifters
  200. How badly stripped was your block?
  201. 96 cadillac deville troubles !!!!
  202. Starting Problems- 95 SLS
  203. Fuel Consumption-Tornado Fuel Saver
  204. my s/c 98 sts wow
  205. MSD DIS-4 and/or Interface modules??
  206. Any info on shift improvement kit for 4T80E?
  207. Need a time-sert kit!
  208. Intermittent VSS!!
  209. Lots of exhaust smoke-95 SLS
  210. Who actually designed the Northstar what's his name?
  211. Do N* heads crack EVER?
  212. New Exhaust
  213. Head Studs?
  214. Removing pully?
  215. White "burned" spark plugs?
  216. What Oil?
  217. Variable Valve Northstar question
  218. HELP!! '96 Deville Starting Problem
  219. Nitrous Wet Or Dry???
  220. Help! 94 Concors
  221. !996 Cadillac Deville Exhaust Smoke Problem
  222. RPM steadily increasing (93 N*)
  223. starter
  224. Opinions on head gaskets vs. engine swap?
  225. Water pump 'sound'?
  226. 10% alcohol fuel...bad news
  227. Needed ASAP:Fuel pump replacement for 1996 Deville
  228. Post Tune-Up questions
  229. Half case leak check
  230. o2 Sensor Help
  231. Throttle Body?- 95 SLS
  232. HELP! 5-6 sec. Cold Starts
  233. My car is about to get sold.
  234. Advice on engine miss and motor mount
  235. 1996 Eldorado ETC overheating.
  236. Spark Plug question for N*
  237. 92 cadillac deville won't start
  238. Timecerts pulled out !
  239. Fuel rail recall expanded
  240. 97 overheating update/helms/questions
  241. Identifing a part (1993 STS - N*)
  242. Dealer Says I Need A New Engine: PLEASE HELP
  243. P0441 Whats this caused by?
  244. Leaking Head gasket cause miss at idle?
  245. from active 2 passive shocks
  246. Water pump belt
  247. Throttle Body Question
  248. need trouble code definitions
  249. Dtc P0503 1520 And Transmission Slip
  250. My 97 Deville is hard to start only when cold