: Northstar Engines and System Technical Discussion



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  1. Race day mods?
  2. 97 Sedan Deville oil change
  3. motor idles eratically at start and then dies
  4. Low Oil Pressure 1994 SLS 4.6 144k
  5. Right or left, Help Please!!!
  6. Need Code Info
  7. 1996 sts need help won't start
  8. Engine crud @ head gasket repair
  9. One fan or two?
  10. Failed emissions....plugs and wires...?
  11. General Questoin
  12. Overheating --- Still!!!!!!!!
  13. What are these trouble codes? Help!
  14. AAARRRGHHH...Where's the #$@#) switch?!?!
  15. Help! Dealer wants $$ for recall fuel rail!
  16. Very Long, EBTCM
  17. Northstar Maintenance -Tune Up
  18. K&N filters
  19. Check engine soon ! Why ?
  20. Waterpump reliability
  21. No one can figure it out!!! Help!!!
  22. In need of expertise
  23. SC44 and SC55
  24. why are the northstar engines always catching on fire?
  25. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  26. 4.9L NorthStar Performance Upgrades???
  27. Need new/rebuilt '96 Seville engine
  28. 100K warranty
  29. Noise from PS pump.
  30. Wanted!! '00+ rear tranny mount
  31. PO 441 error
  32. Help!!
  33. Rubber gone in the top motor mounts
  34. Stop Engine Low oil pressure
  35. Help with fixing a broken shift solenoid
  36. Tranny detent cable question
  37. po29????
  38. '96 STS Engine Stalling - Possible Electrical Problem?
  39. It's time to tear into her!!
  40. Codes PC0300, PC1139, PZ2719
  41. Crack my Block!!!!!!
  42. "Y" code vs. "9" Code
  43. Northstar 97 sls was hard 2 start--now no start
  44. 1997 Seville STS - Oil Leak Problems?
  45. 130k gaskets vs. 88k transplant
  46. Unlimited funds....almost
  47. Service Emissions System
  48. air plenum and coolant...
  49. error codes p0113 &503
  50. Computer codes and more help wanted
  51. coolant and A/C fans broken blades & mounting arms
  52. 1996 Sedan Deville Knock Sensor
  53. Newbie needs help
  54. frozen serpentine belt tensioner
  55. New Northstar, Unleaded or Premium?
  56. Want to buy northstar coils...
  57. Northstar indicates overheat
  58. BBOB - North* Oil Usage Comment
  59. Bad Cylinder?? Low compression?? Need help.
  60. Steam Engine, Now What?
  61. Zero Oil Pressure!! HELP!!
  62. INtake Manifold
  63. N*, Gas drowning my cylinder, getting smoke
  64. 2 Trans oil purge questions...or more?
  65. Erratic Throttle
  66. Strange Readings 1994 Deville Concourse N*
  67. What would a gas coating on a plug mean?
  68. BBOB - thermostat?
  69. Steam from Tail Pipe?
  70. exhaust questions
  71. water pump tool
  72. Cluster Question - Low Oil Pressure
  73. Limp home mode?
  74. Flowmasters?
  75. Flexplate to Torque converter - loctite??
  76. "Check Oil Level" message question
  77. hole in aluminum Radiator - help wanted
  78. Help Eldo Completely Dead But Batt.has Voltage
  79. Rough Idle...Sluggish Acceleration....
  80. Trouble codes
  81. P0741 - TCC System Stuck Off ???
  82. Clueless N* owners with 4 codes
  83. A P059 code?
  84. Longevity of the N* timing chain nylon tensioner pads ?
  85. What type of Power Steering fluid to use in 93 N* Eldo ?
  86. Limp Home Feature?
  87. Last pressure test update - hopefully!!!
  88. How important (really) is an oil cooler?
  89. Cascading multi-module failure-BBOB?
  90. Hesitation when a/c is on?
  91. PCV valve location 2003 Deville
  92. 4T80E Trans neutraling out in Drive/OD
  93. P 028 code AND overheating?
  94. 96 Deville Waterpump belt removal
  95. Is my car misfiring?
  96. Misfire Woes
  97. Another pressure test update
  98. Can dex-cool replace green anti-f?
  99. more head gasket headaches
  100. Egr
  101. More pressure test questions
  102. Nice job on headbolt quality control
  103. 4.0 to 4.6 swap ?
  104. BBOB - did the press test/overheating/????
  105. Timesert kit needed
  106. Tapping Lifters at start
  107. Northstar Gasket Replacement $?
  108. coil packs on 93 ETC?
  109. Eating Oil.......
  110. Eror code p0153
  111. ac only blows worm air
  112. air intake pro's & cons
  113. Brand new N*...
  114. 1997 Seville - Tranny
  115. Head gasket progress/ performance?
  116. Bbob - Tranny Oil Cooler Line Quest.
  117. Eldo idle and low speed running ODD- HELP!
  118. 93 Northstar using 5w-30 ?
  119. Cleaning Engine
  120. when do the fans come on?
  121. Fun with lifters
  122. How badly stripped was your block?
  123. 96 cadillac deville troubles !!!!
  124. Starting Problems- 95 SLS
  125. Fuel Consumption-Tornado Fuel Saver
  126. my s/c 98 sts wow
  127. MSD DIS-4 and/or Interface modules??
  128. Any info on shift improvement kit for 4T80E?
  129. Need a time-sert kit!
  130. Intermittent VSS!!
  131. Lots of exhaust smoke-95 SLS
  132. Who actually designed the Northstar what's his name?
  133. Do N* heads crack EVER?
  134. New Exhaust
  135. Head Studs?
  136. Removing pully?
  137. White "burned" spark plugs?
  138. What Oil?
  139. Variable Valve Northstar question
  140. HELP!! '96 Deville Starting Problem
  141. Nitrous Wet Or Dry???
  142. Help! 94 Concors
  143. !996 Cadillac Deville Exhaust Smoke Problem
  144. RPM steadily increasing (93 N*)
  145. starter
  146. Opinions on head gaskets vs. engine swap?
  147. Water pump 'sound'?
  148. 10% alcohol fuel...bad news
  149. Needed ASAP:Fuel pump replacement for 1996 Deville
  150. Post Tune-Up questions
  151. Half case leak check
  152. o2 Sensor Help
  153. Throttle Body?- 95 SLS
  154. HELP! 5-6 sec. Cold Starts
  155. My car is about to get sold.
  156. Advice on engine miss and motor mount
  157. 1996 Eldorado ETC overheating.
  158. Spark Plug question for N*
  159. 92 cadillac deville won't start
  160. Timecerts pulled out !
  161. Fuel rail recall expanded
  162. 97 overheating update/helms/questions
  163. Identifing a part (1993 STS - N*)
  164. Dealer Says I Need A New Engine: PLEASE HELP
  165. P0441 Whats this caused by?
  166. Leaking Head gasket cause miss at idle?
  167. from active 2 passive shocks
  168. Water pump belt
  169. Throttle Body Question
  170. need trouble code definitions
  171. Dtc P0503 1520 And Transmission Slip
  172. My 97 Deville is hard to start only when cold
  173. Fuel Gauge Damage by High Sulphur Content
  174. Aurora specs-parts?
  175. Coolant type HELP!!!!
  176. Sources for water pump pulley puller/installer
  177. Stupid muffler question!!!
  178. Differences between the VIN 9 and Y
  179. Northstar overheating
  180. Performance mufflers reliability
  181. Oil pressure sensor on Northstar
  182. How many miles on your N*?
  183. Mobil 1 Now Required ??
  184. is the northstar junk?
  185. 98 STS Staled Out! and wont start.
  186. North* pros and cons?
  187. STS Engine installed IMPECCABLE JOB!!!
  188. Thanks on the 97 overheating
  189. Towing with a STS...
  190. 97 eldo missfiring
  191. North* oil pan removal ELDO ETC
  192. Throttle Body
  193. Northsatr question (years)
  194. 1999 Caddy stalls while driving
  195. Misfire and P046
  196. 94' SLS oil leak?
  197. 02 Deville keeps dying...please help!
  198. radiator replacement
  199. PCM code p039
  200. 97 ETC overheating questions
  201. Bars Leak "Oil additive" not Coolant!!
  202. WTF? Intake Manifold Noise?
  203. Northstar main cap bolts
  204. 2002 Deville poor gas mileage
  205. best repair manual for 97 eldo
  206. who fixes your caddy?
  207. plug wires 97 etc
  208. N* Summer Maintenence
  209. transaxle shift relays?
  210. northstar as a plane engine?
  211. How does the PCM know what gear it's in?
  212. Screwed up water pump
  213. Head gasket price/strategy?
  214. TCC stuck OFF
  215. waterpump
  216. 97 ETC overheating
  217. Changing Coolant and the Right Number of Tablets
  218. Shh, it happened! then starting with 2 simple questions...
  219. Mid-grade fuel?
  220. North* easy tune up
  221. more top end speed
  222. My New 94 Eldorado
  223. Starts fine when cold, hesitates when warm...
  224. Northstar using unleaded fuel?
  225. It's Alive again
  226. Need water pump help ASAP!!
  227. Changing final gear ratio
  228. Changing '96 head gaskets....What else?
  229. Problem with RSS
  230. fuel pump pressure
  231. No heat inside the car
  232. Engine Coolant Change out
  233. Coolant question, 4.6 northstar
  234. Intake/Fuel Problem?
  235. Galloping Goose
  236. Engine Mountings 98 STS
  237. Which Brand Spark Plug is the best for 98 Deville?
  238. Redrilled cam sprockets vs aftermarket cams
  239. Dyno2000 Northstar File
  240. Procedure for removing and replacing heater core
  241. Pcm?
  242. Baffle Plat.. Bad design in older N*
  243. Motor Mounts for 97 sts
  244. N* & Mityvac Fluid Evacuator?
  245. Attn Phil!!!!
  246. north swap
  247. Mods for my 93 STS????
  248. Need to know ASAP: # of bellhousing bolts
  249. Gray exhaust smoke - '96 SLS
  250. '94 Northstar Rebuild--Need Specs.. Help?