: Northstar Engines and System Technical Discussion



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  1. Brand new N*...
  2. 1997 Seville - Tranny
  3. Head gasket progress/ performance?
  4. Bbob - Tranny Oil Cooler Line Quest.
  5. Eldo idle and low speed running ODD- HELP!
  6. 93 Northstar using 5w-30 ?
  7. Cleaning Engine
  8. when do the fans come on?
  9. Fun with lifters
  10. How badly stripped was your block?
  11. 96 cadillac deville troubles !!!!
  12. Starting Problems- 95 SLS
  13. Fuel Consumption-Tornado Fuel Saver
  14. my s/c 98 sts wow
  15. MSD DIS-4 and/or Interface modules??
  16. Any info on shift improvement kit for 4T80E?
  17. Need a time-sert kit!
  18. Intermittent VSS!!
  19. Lots of exhaust smoke-95 SLS
  20. Who actually designed the Northstar what's his name?
  21. Do N* heads crack EVER?
  22. New Exhaust
  23. Head Studs?
  24. Removing pully?
  25. White "burned" spark plugs?
  26. What Oil?
  27. Variable Valve Northstar question
  28. HELP!! '96 Deville Starting Problem
  29. Nitrous Wet Or Dry???
  30. Help! 94 Concors
  31. !996 Cadillac Deville Exhaust Smoke Problem
  32. RPM steadily increasing (93 N*)
  33. starter
  34. Opinions on head gaskets vs. engine swap?
  35. Water pump 'sound'?
  36. 10% alcohol fuel...bad news
  37. Needed ASAP:Fuel pump replacement for 1996 Deville
  38. Post Tune-Up questions
  39. Half case leak check
  40. o2 Sensor Help
  41. Throttle Body?- 95 SLS
  42. HELP! 5-6 sec. Cold Starts
  43. My car is about to get sold.
  44. Advice on engine miss and motor mount
  45. 1996 Eldorado ETC overheating.
  46. Spark Plug question for N*
  47. 92 cadillac deville won't start
  48. Timecerts pulled out !
  49. Fuel rail recall expanded
  50. 97 overheating update/helms/questions
  51. Identifing a part (1993 STS - N*)
  52. Dealer Says I Need A New Engine: PLEASE HELP
  53. P0441 Whats this caused by?
  54. Leaking Head gasket cause miss at idle?
  55. from active 2 passive shocks
  56. Water pump belt
  57. Throttle Body Question
  58. need trouble code definitions
  59. Dtc P0503 1520 And Transmission Slip
  60. My 97 Deville is hard to start only when cold
  61. Fuel Gauge Damage by High Sulphur Content
  62. Aurora specs-parts?
  63. Coolant type HELP!!!!
  64. Sources for water pump pulley puller/installer
  65. Stupid muffler question!!!
  66. Differences between the VIN 9 and Y
  67. Northstar overheating
  68. Performance mufflers reliability
  69. Oil pressure sensor on Northstar
  70. How many miles on your N*?
  71. Mobil 1 Now Required ??
  72. Is the Northstar junk?
  73. 98 STS Staled Out! and wont start.
  74. North* pros and cons?
  75. STS Engine installed IMPECCABLE JOB!!!
  76. Thanks on the 97 overheating
  77. Towing with a STS...
  78. 97 eldo missfiring
  79. North* oil pan removal ELDO ETC
  80. Throttle Body
  81. Northsatr question (years)
  82. 1999 Caddy stalls while driving
  83. Misfire and P046
  84. 94' SLS oil leak?
  85. 02 Deville keeps dying...please help!
  86. radiator replacement
  87. PCM code p039
  88. 97 ETC overheating questions
  89. Bars Leak "Oil additive" not Coolant!!
  90. WTF? Intake Manifold Noise?
  91. Northstar main cap bolts
  92. 2002 Deville poor gas mileage
  93. best repair manual for 97 eldo
  94. who fixes your caddy?
  95. plug wires 97 etc
  96. N* Summer Maintenence
  97. transaxle shift relays?
  98. northstar as a plane engine?
  99. How does the PCM know what gear it's in?
  100. Screwed up water pump
  101. Head gasket price/strategy?
  102. TCC stuck OFF
  103. waterpump
  104. 97 ETC overheating
  105. Changing Coolant and the Right Number of Tablets
  106. Shh, it happened! then starting with 2 simple questions...
  107. Mid-grade fuel?
  108. North* easy tune up
  109. more top end speed
  110. My New 94 Eldorado
  111. Starts fine when cold, hesitates when warm...
  112. Northstar using unleaded fuel?
  113. It's Alive again
  114. Need water pump help ASAP!!
  115. Changing final gear ratio
  116. Changing '96 head gaskets....What else?
  117. Problem with RSS
  118. fuel pump pressure
  119. No heat inside the car
  120. Engine Coolant Change out
  121. Coolant question, 4.6 northstar
  122. Intake/Fuel Problem?
  123. Galloping Goose
  124. Engine Mountings 98 STS
  125. Which Brand Spark Plug is the best for 98 Deville?
  126. Redrilled cam sprockets vs aftermarket cams
  127. Dyno2000 Northstar File
  128. Procedure for removing and replacing heater core
  129. Pcm?
  130. Baffle Plat.. Bad design in older N*
  131. Motor Mounts for 97 sts
  132. N* & Mityvac Fluid Evacuator?
  133. Attn Phil!!!!
  134. north swap
  135. Mods for my 93 STS????
  136. Need to know ASAP: # of bellhousing bolts
  137. Gray exhaust smoke - '96 SLS
  138. '94 Northstar Rebuild--Need Specs.. Help?
  139. Mounts and Shocks
  140. Oil Consumption with the Northstar - any problems?
  141. Bonneville GPX/Northstar
  142. Question on switching from Premium to Ethanol Blended gas
  143. Cold driveability problem - '96 SLS LD8 128K
  144. 120 Mph Speed Limit??????
  145. Thoughts on "Royal Purple" oil ?
  146. Better mileage on regular?!?
  147. 112 mph limiter
  148. Air Filter box - more air???
  149. is WOT mandatory for a deville 2000
  150. Specified Northstar Max RPM Vs. Actual on Tach
  151. Coolant Capacity for 97 DeVille?
  152. Check out the codes in my 97 Deville... what do they mean ?
  153. Fleetwood Fuel Pump
  154. Engine Locked Up!!!!!!!!!!!! Neeed Help!!!!....please
  155. It's Aliiive! *evil cackle*
  156. Bad Fuel Pressure regulator ?
  157. 96 Eldo overheating
  158. trans/motor mounts
  159. Help with Intake cover & gasket
  160. Starter problems on my 94 N*
  161. N* Head Milling Machining
  162. Tricks to Change Fuel Pump 97 STS??
  163. Coolant problem - please help!!!
  164. 95 Aurora hard to start !!
  165. Just bought my Caddy, need help !!! PLEASE !!!
  166. Compression Test for Head Gasket Leak
  167. 95,sts cooling ????
  168. What Went Wrong ???
  169. Coolant pellets, how often?
  170. 94 ENGINE fit a 98??
  171. error sorry
  172. i got my n*
  173. JB metalweld
  174. Friends Used 1999 DeVille
  175. N* Rear Headgasket - replace in the car?
  176. wood grain steering wheel
  177. replacing cams on N*
  178. How do you explain the northstar's short comings?
  179. Easy Serpentine Belt Threading
  180. 96 STS Service Emissions System Service Engine Light
  181. radiator fans?
  182. Missing?
  183. Plugs and Plug Wires
  184. Headgasket - How long, how much?
  185. 97 Deville: Digital Fuel Gauge Problem
  186. After WOT engine started missing.
  187. RWD Northstar(s)?
  188. sorry+question
  189. wut ^ all got a newb question/story
  190. Torque test and gas cut off?
  191. Cams replaced 2000 DTS
  192. 15W-40 Oil?
  193. Tune-up on 1999 Deville D'Elagance
  194. Ugh.. Broken drill bit.......
  195. A/C Condensor removal ...
  196. supercharger on my eldo
  197. My problem
  198. modular fuel rail?
  199. HELP Car not starting!
  200. Vote for CTS-V NOW
  201. Northstar idle
  202. Is my A/C compressor toast?
  203. Performance Chip!!!
  204. A/C Compressor Clutch
  205. coolant change procedure
  206. $4500 to replace head gasket...
  207. 94 concourse running rough
  208. 94 coolant leak
  209. Engine Out Bottom or Top?
  210. Water Pumps
  211. p076, transmission pressure solenoid help
  212. Transmission pan and Intake Manifold cover
  213. No TCC lock-up
  214. Trans. going out?
  215. Northstar worries
  216. dloch - &others swapping intakes...
  217. Bonneville GXP owners FYI
  218. bbob- help!
  219. Low oil pressure?
  220. 2x4s - raising the intake manifold
  221. Bbob
  222. I figured it out!!!...Almost..:(
  223. Northstar error codes, OBD1 and OBD2
  224. after market chip up date?
  225. I think I'm cross-eyed
  226. Code T061 What Is It? How To Diag?
  227. N* cylinder heads question, Bbob
  228. finally got a code help help
  229. Norstar Leaking Enginer ...............CURE !
  230. 1995 eldorado northstar
  231. high idle
  232. Any word on the S/C project?
  233. 7 seconds before start.,
  234. Started removing the northstar
  235. Coolant Temp
  236. does a Northstar have lifters-how to replace
  237. 4.6 Northstar Engine mod question.
  238. All kinds of noises
  239. I Think I Threw a Rod
  240. 2000 Eldorado using oil???
  241. Diagnostic codes
  242. Northstar aftermarket and tuneability questions
  243. Diesel oil in gasoline engines...BBob, opinion?
  244. Lawrence Look
  245. what is wrong my engine or converter
  246. Bbob Look
  247. 93 Eldo cuts out on accel and shorts in Radio
  248. Seville not running right
  249. Alternating Types of OIL
  250. 96 Eldo jerking