: Northstar Engines and System Technical Discussion



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  1. Eliminating the exhaust crossover??
  2. Po138???
  3. Front Valve Cover Removal
  4. You guys read this stuff????
  5. camshaft swap "9" motor to "Y" motor
  6. What is TSB 99-06-04-053?
  7. 94 cadillac concours
  8. Can anyone tell me what these compression numbers mean?
  9. H Gasket Job Ballpark Price Needed for Parts
  10. Heater core replacement, help!
  11. Ah, darn... My 94 Eldorado Is having problems.
  12. Anyone know a reputable transmission shop in Orlando?
  13. Lifter?valve noise
  14. 93 Northstar dies out at idle
  15. Time Sert Kit Needed
  16. Engine Replacement
  17. Broken Head Bolt (small type)
  18. P0741 - TCC System Stuck Off...Now What??
  19. homemade locating dowels - a possibility?
  20. Rear Valve Cover Leak!!
  21. Going from a 4.0 to a 4.6
  22. how many miles on your N*?
  23. Crank Position Sensor Replace Quick Question...
  24. 98 STS code P0404 (and P0300)
  25. Not Nearly As Hard As I Thought
  26. what to do about SO codes...
  27. overfilled tranny....
  28. OBD1 chip reprogramming?
  29. Hey Check Out What Im Doing....
  30. 95-6 transmission harness
  31. new headbolts
  32. Torque Converter Clutch Stuck...How to Fix??
  33. BS? "aftermarket Mass Air Sensor = improved hp, torque and mileage from your car"
  34. pulling engine, top or bottom???
  35. RANGER: Can't Identify Codes...
  36. 1996 1/8th mile times!
  37. '96 SDV Update...2 Codes...Help??
  38. Need a new alternator......
  39. Cranking but not starting.. fuel pump relay?
  40. EXP ID 83, 84, 140, 25 ??? Any Help?
  41. timesert kit for sale
  42. Factory Specs for Compression??
  43. torque wrench advice
  44. Stripped Oil Pan Bolt Hole
  45. Would you like some cheese and crackers with that Whine?
  46. Ready to rebuild-best source for tserts and bearings
  47. Stability Reduced? wut?
  48. Compression numbers for the North*
  49. Options to repair ONE engine block thread
  50. What ever happened to the supercarger for N*?
  51. Torquing of Rocker????
  52. Minor Problem with my 94 SLS
  53. Chip & Bored T/B ???
  54. Why with the Northstar 4.6?
  55. PCM reflash for 95
  56. Sooooo....
  57. cam torque
  58. Blwoin a little smoke..
  59. casting number ID
  60. DANG - Trouble Codes Question
  61. Need some help..abs troubles?
  62. I saw a smoking Deville
  63. PCM Question II
  64. Air intake and airflow
  65. Trans making noise in park and neutral
  66. water pump replacement
  67. Pcm?
  68. STS Engine Cut-Out
  69. 94 SLS 4.6 showing oil pressure
  70. Performance transmission
  71. Aftermarket air intake...
  72. TCS C1287/C1286 help please
  73. Pics..pics...pics.....pics........
  74. Computer Swap Ok?
  75. MIL's - Anyone tried them yet?
  76. Anyone ever done or heard about doing this?
  77. Stumped (P0307)
  78. pressure control circuit code 076
  79. 94 Eldorado 4.6 starting problem
  80. Anyone have sound clips of their exhaust?
  81. 98deville whole computer lit up
  82. TPS autolearn for 1995
  83. '96 DeVille...New Owner...Am I NUTS??
  84. Turbo Track Times
  85. Anyone with rough starts, loss of power..read this.
  86. G-tech pro times.
  87. That's what I call stopping a leak!
  88. Need Valve Body Torque Secs ASAP Please
  89. 98 deville x grandpa mobile
  90. Northstar Experts Please Stand Up.....
  91. Robert Benham
  92. Bleeding air out of cooling system
  93. I think I blew it up
  94. northstar rough accleration/idle
  95. ALBUNDY - can't PM you
  96. Gm top engine cleaner
  97. transmission interchange
  98. 96 deville N* cats question
  99. 94 SLS I seem to be on a losing streak!
  100. Premium vs. Regular
  101. coolant fans
  102. Overheat Part 3
  103. coolant loss
  104. 94 Eldorado Power Steering Fluid?
  105. Big Serts installation
  106. lifter noise?
  107. Some advice
  108. Overheat, Part 2
  109. 2000 STS MAP sensor voltage high?
  110. FRP Help!! ASAP!!
  111. Overheat!
  112. 1999 Eldorado won't start and left me stranded
  113. Anyone use "regular" plug wires in N*?
  114. Higher Stall Converter...
  115. i think i found a fuel control system.
  116. 94 SLS radiator hydraulic line
  117. K&N Intake...I want one!
  118. ABS wiring diagram
  119. What are the available Northstar aftermarket performance parts?
  120. Northstar Oil Leak
  121. Northstar in the 1997-1999 Deville.. questions.
  122. N* with nitrous.
  123. 5000 mile or wait for oil life trigger?
  124. Hi Flow Cat converter to go with Corsa Exhaust, which one?
  125. MSD coils? I hit 104
  126. eldorado1- throttle body for 94 eldo available?
  127. need IAC, TPS, MAP sensors?
  128. 4.6 caddy vs. olds 4.0
  129. Has anyone here added performance parts to a 94 eldorado
  130. Bad coil packs or what?
  131. northstar battery
  132. 94 eldorado bad starter possibly?
  133. Starter change 94 SLS
  134. What's happening to the messages display?
  135. Day after alternator replace, now I need a new belt...coincidence?
  136. block off EGR
  137. Transmisson monitor??
  138. Water pump leak??
  139. Will machined heads mess up the ECU due to increased compression ?
  140. The Turbonator
  141. 96 STS engine swap
  142. Ok explain this.............
  143. Oil on sparkplugs??
  144. need help 96 deville
  145. North Star Temperature
  146. History Codes ??? & P0420
  147. VSS....how hard is it to change?
  148. Engine is not cranking - starter is fine
  149. Oil Leak
  150. Is head gasket a common problem with sts
  151. Please Help!!!!!!!!!
  152. Im running with no suppliment....
  153. Whirring noise.....you thinks its the alternator?
  154. Wot?
  155. 5W30 vs 10W30, pre 2000 Northstar 84 degree weather
  156. Thermagasket, cylinder head repair goop
  157. Head Gasket Repair - DIY?
  158. 4T80E heartbreak with pictures
  159. N* Replacement
  160. Northstar Motor Mechanic From Dealer
  161. Fuel Pump 95 SLS
  162. Minor value cover (head cover) leaks???Concern???
  163. N* Head Gasket Job, What parts should i BUY
  164. Jasper Engines HEAT TAB
  165. Head Gaskets Again !?!?
  166. 96 deville codes/very sluggish start
  167. n* experts chime in
  168. NorthStar Supercharger!!!
  169. 1997 Deville Coolant Flush
  170. I think i got this Traction Control thing figured out!
  171. Northstar Brainteaser
  172. New Northstar in 2008? Ultra?
  173. Service Engine Light and history codes
  174. Whats code 94?
  175. DIY Replace Coolant for 94 STS
  176. Lower Crankcase Reseal
  177. PC0300 with troubleshoot. Coil Resistance?
  178. '94 Eldorado Coolant change. Help!
  179. Squeaking belt noise - Help!
  180. oil change timing
  181. changed FPR now P0507 code?
  182. need help with water pump.
  183. Fix it or not? Head Gasket.
  184. Future 1996 STS buyer
  185. update on Polyisobutylene
  186. So, I took it to Cottman........
  187. 03 DTS Major Tune Up
  188. Codes, Codes, and more codes....
  189. First WOT on Grandma Owned N*
  190. Tech Manual
  191. What are the performance number of the SLS,DHS
  192. 98 Seville engine mount
  193. N* all OBDII?
  194. EGR Valve Cleaning and Location
  195. How To Replace O2 Sensor Bank 1 Sensor 1
  196. 93 Eldo transaxle
  197. Intake Bolts
  198. Fuel rail/line recall
  199. Saw an interesting Swap today.... (56k take a nap)
  200. Need some help from someone with a 96-99 manual
  201. Not enough WOTs?
  202. another problem solved! N* stutter gone
  203. Coolant Eats Gasket?
  204. Starter Idiocy?
  205. Have you tried Polyisobutylene ??
  206. How to Remove EGR Valve
  207. Granatelli Trans Tuner - Anyone try this?
  208. Granatelli Trans Tuner - Anyone try this?
  209. Performance Survey - New Owner - Seeking Ideas
  210. 94 STS - Throttle Plate Orientation
  211. cruise linkage
  212. 95 STS hi-rpm and auto-acceleration problem
  213. Data on the northstar
  214. Buy a N* with a blown head gasket - Dumb idea?
  215. Weird Idle Issues
  216. 1994 Concourse stuttering
  217. Cooling Fans
  218. Coolant supplement clogged T stat
  219. ghost in the machine
  220. Turbo STS Dyno results
  221. PCM Source
  222. 99 Deville misfire and fuel sensor
  223. Learning about Torque Convertor and solenoid
  224. Casper Electronics TPS Enhancer
  225. What year Nstars fit '99 Deville?
  226. Help:Crankshaft Sensor Replacement
  227. Torque convertor can damage the solenoids?
  228. What will it take to get you to buy a 80mm throttle body?
  229. Is this a "freeze plug"?
  230. Is this a 95 intake?
  231. Weird Hydraulic whine, maybe tranny????
  232. # 8 misfire
  233. where are the plugs on my 03 dhs northstar engine?
  234. Water Leak
  235. 4T80E vs Dexron VI, GM new standard
  236. 200,000 mile mark reality? 1996 STS NStar
  237. It wasnt a hole in the block!!!!!
  238. Just Bought a Granma owned NS w/81K-WOT?
  239. please help!?!?!?!?!
  240. High volt MAP
  241. Rough Idle and Stuttering Acceleration
  242. 94 seville sls oil pan gasket replacement...
  243. 97 headgaskets what else should be done?
  244. Differences in the Northstar engines
  245. PCM info for NorthStar
  246. accessing rear spark plugs
  247. 99 STS Turbo charged video
  248. 1994 Eldorado P083 Code?
  249. Looking for help with Codes
  250. What's this noise....