: Northstar Engines and System Technical Discussion



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  1. H Gasket Job Ballpark Price Needed for Parts
  2. Heater core replacement, help!
  3. Ah, darn... My 94 Eldorado Is having problems.
  4. Anyone know a reputable transmission shop in Orlando?
  5. Lifter?valve noise
  6. 93 Northstar dies out at idle
  7. Time Sert Kit Needed
  8. Engine Replacement
  9. Broken Head Bolt (small type)
  10. P0741 - TCC System Stuck Off...Now What??
  11. homemade locating dowels - a possibility?
  12. Rear Valve Cover Leak!!
  13. Going from a 4.0 to a 4.6
  14. how many miles on your N*?
  15. Crank Position Sensor Replace Quick Question...
  16. 98 STS code P0404 (and P0300)
  17. Not Nearly As Hard As I Thought
  18. what to do about SO codes...
  19. overfilled tranny....
  20. OBD1 chip reprogramming?
  21. Hey Check Out What Im Doing....
  22. 95-6 transmission harness
  23. new headbolts
  24. Torque Converter Clutch Stuck...How to Fix??
  25. BS? "aftermarket Mass Air Sensor = improved hp, torque and mileage from your car"
  26. pulling engine, top or bottom???
  27. RANGER: Can't Identify Codes...
  28. 1996 1/8th mile times!
  29. '96 SDV Update...2 Codes...Help??
  30. Need a new alternator......
  31. Cranking but not starting.. fuel pump relay?
  32. EXP ID 83, 84, 140, 25 ??? Any Help?
  33. timesert kit for sale
  34. Factory Specs for Compression??
  35. torque wrench advice
  36. Stripped Oil Pan Bolt Hole
  37. Would you like some cheese and crackers with that Whine?
  38. Ready to rebuild-best source for tserts and bearings
  39. Stability Reduced? wut?
  40. Compression numbers for the North*
  41. Options to repair ONE engine block thread
  42. What ever happened to the supercarger for N*?
  43. Torquing of Rocker????
  44. Minor Problem with my 94 SLS
  45. Chip & Bored T/B ???
  46. Why with the Northstar 4.6?
  47. PCM reflash for 95
  48. Sooooo....
  49. cam torque
  50. Blwoin a little smoke..
  51. casting number ID
  52. DANG - Trouble Codes Question
  53. Need some help..abs troubles?
  54. I saw a smoking Deville
  55. PCM Question II
  56. Air intake and airflow
  57. Trans making noise in park and neutral
  58. water pump replacement
  59. Pcm?
  60. STS Engine Cut-Out
  61. 94 SLS 4.6 showing oil pressure
  62. Performance transmission
  63. Aftermarket air intake...
  64. TCS C1287/C1286 help please
  65. Pics..pics...pics.....pics........
  66. Computer Swap Ok?
  67. MIL's - Anyone tried them yet?
  68. Anyone ever done or heard about doing this?
  69. Stumped (P0307)
  70. pressure control circuit code 076
  71. 94 Eldorado 4.6 starting problem
  72. Anyone have sound clips of their exhaust?
  73. 98deville whole computer lit up
  74. TPS autolearn for 1995
  75. '96 DeVille...New Owner...Am I NUTS??
  76. Turbo Track Times
  77. Anyone with rough starts, loss of power..read this.
  78. G-tech pro times.
  79. That's what I call stopping a leak!
  80. Need Valve Body Torque Secs ASAP Please
  81. 98 deville x grandpa mobile
  82. Northstar Experts Please Stand Up.....
  83. Robert Benham
  84. Bleeding air out of cooling system
  85. I think I blew it up
  86. northstar rough accleration/idle
  87. ALBUNDY - can't PM you
  88. Gm top engine cleaner
  89. transmission interchange
  90. 96 deville N* cats question
  91. 94 SLS I seem to be on a losing streak!
  92. Premium vs. Regular
  93. coolant fans
  94. Overheat Part 3
  95. coolant loss
  96. 94 Eldorado Power Steering Fluid?
  97. Big Serts installation
  98. lifter noise?
  99. Some advice
  100. Overheat, Part 2
  101. 2000 STS MAP sensor voltage high?
  102. FRP Help!! ASAP!!
  103. Overheat!
  104. 1999 Eldorado won't start and left me stranded
  105. Anyone use "regular" plug wires in N*?
  106. Higher Stall Converter...
  107. i think i found a fuel control system.
  108. 94 SLS radiator hydraulic line
  109. K&N Intake...I want one!
  110. ABS wiring diagram
  111. What are the available Northstar aftermarket performance parts?
  112. Northstar Oil Leak
  113. Northstar in the 1997-1999 Deville.. questions.
  114. N* with nitrous.
  115. 5000 mile or wait for oil life trigger?
  116. Hi Flow Cat converter to go with Corsa Exhaust, which one?
  117. MSD coils? I hit 104
  118. eldorado1- throttle body for 94 eldo available?
  119. need IAC, TPS, MAP sensors?
  120. 4.6 caddy vs. olds 4.0
  121. Has anyone here added performance parts to a 94 eldorado
  122. Bad coil packs or what?
  123. northstar battery
  124. 94 eldorado bad starter possibly?
  125. Starter change 94 SLS
  126. What's happening to the messages display?
  127. Day after alternator replace, now I need a new belt...coincidence?
  128. block off EGR
  129. Transmisson monitor??
  130. Water pump leak??
  131. Will machined heads mess up the ECU due to increased compression ?
  132. The Turbonator
  133. 96 STS engine swap
  134. Ok explain this.............
  135. Oil on sparkplugs??
  136. need help 96 deville
  137. North Star Temperature
  138. History Codes ??? & P0420
  139. VSS....how hard is it to change?
  140. Engine is not cranking - starter is fine
  141. Oil Leak
  142. Is head gasket a common problem with sts
  143. Please Help!!!!!!!!!
  144. Im running with no suppliment....
  145. Whirring noise.....you thinks its the alternator?
  146. Wot?
  147. 5W30 vs 10W30, pre 2000 Northstar 84 degree weather
  148. Thermagasket, cylinder head repair goop
  149. Head Gasket Repair - DIY?
  150. 4T80E heartbreak with pictures
  151. N* Replacement
  152. Northstar Motor Mechanic From Dealer
  153. Fuel Pump 95 SLS
  154. Minor value cover (head cover) leaks???Concern???
  155. N* Head Gasket Job, What parts should i BUY
  156. Jasper Engines HEAT TAB
  157. Head Gaskets Again !?!?
  158. 96 deville codes/very sluggish start
  159. n* experts chime in
  160. NorthStar Supercharger!!!
  161. 1997 Deville Coolant Flush
  162. I think i got this Traction Control thing figured out!
  163. Northstar Brainteaser
  164. New Northstar in 2008? Ultra?
  165. Service Engine Light and history codes
  166. Whats code 94?
  167. DIY Replace Coolant for 94 STS
  168. Lower Crankcase Reseal
  169. PC0300 with troubleshoot. Coil Resistance?
  170. '94 Eldorado Coolant change. Help!
  171. Squeaking belt noise - Help!
  172. oil change timing
  173. changed FPR now P0507 code?
  174. need help with water pump.
  175. Fix it or not? Head Gasket.
  176. Future 1996 STS buyer
  177. update on Polyisobutylene
  178. So, I took it to Cottman........
  179. 03 DTS Major Tune Up
  180. Codes, Codes, and more codes....
  181. First WOT on Grandma Owned N*
  182. Tech Manual
  183. What are the performance number of the SLS,DHS
  184. 98 Seville engine mount
  185. N* all OBDII?
  186. EGR Valve Cleaning and Location
  187. How To Replace O2 Sensor Bank 1 Sensor 1
  188. 93 Eldo transaxle
  189. Intake Bolts
  190. Fuel rail/line recall
  191. Saw an interesting Swap today.... (56k take a nap)
  192. Need some help from someone with a 96-99 manual
  193. Not enough WOTs?
  194. another problem solved! N* stutter gone
  195. Coolant Eats Gasket?
  196. Starter Idiocy?
  197. Have you tried Polyisobutylene ??
  198. How to Remove EGR Valve
  199. Granatelli Trans Tuner - Anyone try this?
  200. Granatelli Trans Tuner - Anyone try this?
  201. Performance Survey - New Owner - Seeking Ideas
  202. 94 STS - Throttle Plate Orientation
  203. cruise linkage
  204. 95 STS hi-rpm and auto-acceleration problem
  205. Data on the northstar
  206. Buy a N* with a blown head gasket - Dumb idea?
  207. Weird Idle Issues
  208. 1994 Concourse stuttering
  209. Cooling Fans
  210. Coolant supplement clogged T stat
  211. ghost in the machine
  212. Turbo STS Dyno results
  213. PCM Source
  214. 99 Deville misfire and fuel sensor
  215. Learning about Torque Convertor and solenoid
  216. Casper Electronics TPS Enhancer
  217. What year Nstars fit '99 Deville?
  218. Help:Crankshaft Sensor Replacement
  219. Torque convertor can damage the solenoids?
  220. What will it take to get you to buy a 80mm throttle body?
  221. Is this a "freeze plug"?
  222. Is this a 95 intake?
  223. Weird Hydraulic whine, maybe tranny????
  224. # 8 misfire
  225. where are the plugs on my 03 dhs northstar engine?
  226. Water Leak
  227. 4T80E vs Dexron VI, GM new standard
  228. 200,000 mile mark reality? 1996 STS NStar
  229. It wasnt a hole in the block!!!!!
  230. Just Bought a Granma owned NS w/81K-WOT?
  231. please help!?!?!?!?!
  232. High volt MAP
  233. Rough Idle and Stuttering Acceleration
  234. 94 seville sls oil pan gasket replacement...
  235. 97 headgaskets what else should be done?
  236. Differences in the Northstar engines
  237. PCM info for NorthStar
  238. accessing rear spark plugs
  239. 99 STS Turbo charged video
  240. 1994 Eldorado P083 Code?
  241. Looking for help with Codes
  242. What's this noise....
  243. How do you I.D. an engine?
  244. Expansion tank leaking...
  245. Engine ID
  246. 1994 eldorado fuel pump
  247. unchanged SP wires longevity?
  248. Launch Control for N* ignition
  249. coolant loss
  250. Can I fix my 01 Northstar myself?