: Northstar Engines and System Technical Discussion



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  1. TCS C1287/C1286 help please
  2. Pics..pics...pics.....pics........
  3. Computer Swap Ok?
  4. MIL's - Anyone tried them yet?
  5. Anyone ever done or heard about doing this?
  6. Stumped (P0307)
  7. pressure control circuit code 076
  8. 94 Eldorado 4.6 starting problem
  9. Anyone have sound clips of their exhaust?
  10. 98deville whole computer lit up
  11. TPS autolearn for 1995
  12. '96 DeVille...New Owner...Am I NUTS??
  13. Turbo Track Times
  14. Anyone with rough starts, loss of power..read this.
  15. G-tech pro times.
  16. That's what I call stopping a leak!
  17. Need Valve Body Torque Secs ASAP Please
  18. 98 deville x grandpa mobile
  19. Northstar Experts Please Stand Up.....
  20. Robert Benham
  21. Bleeding air out of cooling system
  22. I think I blew it up
  23. northstar rough accleration/idle
  24. ALBUNDY - can't PM you
  25. Gm top engine cleaner
  26. transmission interchange
  27. 96 deville N* cats question
  28. 94 SLS I seem to be on a losing streak!
  29. Premium vs. Regular
  30. coolant fans
  31. Overheat Part 3
  32. coolant loss
  33. 94 Eldorado Power Steering Fluid?
  34. Big Serts installation
  35. lifter noise?
  36. Some advice
  37. Overheat, Part 2
  38. 2000 STS MAP sensor voltage high?
  39. FRP Help!! ASAP!!
  40. Overheat!
  41. 1999 Eldorado won't start and left me stranded
  42. Anyone use "regular" plug wires in N*?
  43. Higher Stall Converter...
  44. i think i found a fuel control system.
  45. 94 SLS radiator hydraulic line
  46. K&N Intake...I want one!
  47. ABS wiring diagram
  48. What are the available Northstar aftermarket performance parts?
  49. Northstar Oil Leak
  50. Northstar in the 1997-1999 Deville.. questions.
  51. N* with nitrous.
  52. 5000 mile or wait for oil life trigger?
  53. Hi Flow Cat converter to go with Corsa Exhaust, which one?
  54. MSD coils? I hit 104
  55. eldorado1- throttle body for 94 eldo available?
  56. need IAC, TPS, MAP sensors?
  57. 4.6 caddy vs. olds 4.0
  58. Has anyone here added performance parts to a 94 eldorado
  59. Bad coil packs or what?
  60. northstar battery
  61. 94 eldorado bad starter possibly?
  62. Starter change 94 SLS
  63. What's happening to the messages display?
  64. Day after alternator replace, now I need a new belt...coincidence?
  65. block off EGR
  66. Transmisson monitor??
  67. Water pump leak??
  68. Will machined heads mess up the ECU due to increased compression ?
  69. The Turbonator
  70. 96 STS engine swap
  71. Ok explain this.............
  72. Oil on sparkplugs??
  73. need help 96 deville
  74. North Star Temperature
  75. History Codes ??? & P0420
  76. VSS....how hard is it to change?
  77. Engine is not cranking - starter is fine
  78. Oil Leak
  79. Is head gasket a common problem with sts
  80. Please Help!!!!!!!!!
  81. Im running with no suppliment....
  82. Whirring noise.....you thinks its the alternator?
  83. Wot?
  84. 5W30 vs 10W30, pre 2000 Northstar 84 degree weather
  85. Thermagasket, cylinder head repair goop
  86. Head Gasket Repair - DIY?
  87. 4T80E heartbreak with pictures
  88. N* Replacement
  89. Northstar Motor Mechanic From Dealer
  90. Fuel Pump 95 SLS
  91. Minor value cover (head cover) leaks???Concern???
  92. N* Head Gasket Job, What parts should i BUY
  93. Jasper Engines HEAT TAB
  94. Head Gaskets Again !?!?
  95. 96 deville codes/very sluggish start
  96. n* experts chime in
  97. NorthStar Supercharger!!!
  98. 1997 Deville Coolant Flush
  99. I think i got this Traction Control thing figured out!
  100. Northstar Brainteaser
  101. New Northstar in 2008? Ultra?
  102. Service Engine Light and history codes
  103. Whats code 94?
  104. DIY Replace Coolant for 94 STS
  105. Lower Crankcase Reseal
  106. PC0300 with troubleshoot. Coil Resistance?
  107. '94 Eldorado Coolant change. Help!
  108. Squeaking belt noise - Help!
  109. oil change timing
  110. changed FPR now P0507 code?
  111. need help with water pump.
  112. Fix it or not? Head Gasket.
  113. Future 1996 STS buyer
  114. update on Polyisobutylene
  115. So, I took it to Cottman........
  116. 03 DTS Major Tune Up
  117. Codes, Codes, and more codes....
  118. First WOT on Grandma Owned N*
  119. Tech Manual
  120. What are the performance number of the SLS,DHS
  121. 98 Seville engine mount
  122. N* all OBDII?
  123. EGR Valve Cleaning and Location
  124. How To Replace O2 Sensor Bank 1 Sensor 1
  125. 93 Eldo transaxle
  126. Intake Bolts
  127. Fuel rail/line recall
  128. Saw an interesting Swap today.... (56k take a nap)
  129. Need some help from someone with a 96-99 manual
  130. Not enough WOTs?
  131. another problem solved! N* stutter gone
  132. Coolant Eats Gasket?
  133. Starter Idiocy?
  134. Have you tried Polyisobutylene ??
  135. How to Remove EGR Valve
  136. Granatelli Trans Tuner - Anyone try this?
  137. Granatelli Trans Tuner - Anyone try this?
  138. Performance Survey - New Owner - Seeking Ideas
  139. 94 STS - Throttle Plate Orientation
  140. cruise linkage
  141. 95 STS hi-rpm and auto-acceleration problem
  142. Data on the northstar
  143. Buy a N* with a blown head gasket - Dumb idea?
  144. Weird Idle Issues
  145. 1994 Concourse stuttering
  146. Cooling Fans
  147. Coolant supplement clogged T stat
  148. ghost in the machine
  149. Turbo STS Dyno results
  150. PCM Source
  151. 99 Deville misfire and fuel sensor
  152. Learning about Torque Convertor and solenoid
  153. Casper Electronics TPS Enhancer
  154. What year Nstars fit '99 Deville?
  155. Help:Crankshaft Sensor Replacement
  156. Torque convertor can damage the solenoids?
  157. What will it take to get you to buy a 80mm throttle body?
  158. Is this a "freeze plug"?
  159. Is this a 95 intake?
  160. Weird Hydraulic whine, maybe tranny????
  161. # 8 misfire
  162. where are the plugs on my 03 dhs northstar engine?
  163. Water Leak
  164. 4T80E vs Dexron VI, GM new standard
  165. 200,000 mile mark reality? 1996 STS NStar
  166. It wasnt a hole in the block!!!!!
  167. Just Bought a Granma owned NS w/81K-WOT?
  168. please help!?!?!?!?!
  169. High volt MAP
  170. Rough Idle and Stuttering Acceleration
  171. 94 seville sls oil pan gasket replacement...
  172. 97 headgaskets what else should be done?
  173. Differences in the Northstar engines
  174. PCM info for NorthStar
  175. accessing rear spark plugs
  176. 99 STS Turbo charged video
  177. 1994 Eldorado P083 Code?
  178. Looking for help with Codes
  179. What's this noise....
  180. How do you I.D. an engine?
  181. Expansion tank leaking...
  182. Engine ID
  183. 1994 eldorado fuel pump
  184. unchanged SP wires longevity?
  185. Launch Control for N* ignition
  186. coolant loss
  187. Can I fix my 01 Northstar myself?
  188. Turbo WOT 7psi to REDLINE
  189. 0101 MAF-continues
  190. Turbo Update
  191. changing out o2 sensor on 97 deville
  192. P0404 - Exhaust Gas Recirculation (EGR) Open Position Performance?
  193. deciphering DTC messages into plain English
  194. Cylinder Head Info!
  195. Northstar noise
  196. Best Code Reader/Scanner?
  197. EGR change w/ SS fuel rail- trick maybe
  198. Where is the INPUT SPEED SENSOR?
  199. 97 deville fuel problem
  200. GM coolant additive???
  201. Car wont start
  202. Serpentine belt
  203. no overdrive in my 98 eldo
  204. Really Head Gasket?
  205. New plugs and wires, now misfire
  206. STS Tranny trouble
  207. Improper Sparg plug gap, what happens?
  208. 94 STS hesitates or stumbles
  209. Need a Timesert kit
  210. its been a little while but i am back for good!!
  211. Stalls after fill-up
  212. High Oil Consumption *INFO*
  213. I got porked...Blown N*.
  214. Glowing red exhaust manifolds
  215. Pop Off / Backfire Valve Replacement
  216. fuel filter location?
  217. Pictures of Turbo Project
  218. Head gasket compressed thickness
  219. Emission Codes
  220. Extremely Rough Idle... Cracked Intake Manifold?
  221. Spark Plug Gap
  222. Biggest Problems with the N*'s?
  223. 1999 STS - Timesert question
  224. Gurgling Sound/ Trapped Air in Coolant System
  225. Injector
  226. 95 Deville howl's near the belt
  227. 97 deville N* head gasket costs?????
  228. No overdive
  229. Emmissions Codes
  230. One gear, LIMP MODE? NO CODES
  231. 2000 Deville TCC PWM replacement
  232. p056
  233. 98 Northstar Fuel Rail Recall
  234. Removing bad FPR
  235. '95 Eldorado start-up getting more "difficult"
  236. 93 Northstar Headgasket - Can I do it myself?
  237. Reliability and longevity of a 97 N* motor?
  238. Gas-saving gadgets article
  239. Crank Position Sensor
  240. 1993 1994 Northstar Intake Manifold
  241. How do I spot a head gasket starting to go?
  242. 97 deville radiator drain
  243. N* with code p041
  244. Intake mod
  245. Cold Start Backfire from 97 N*?
  246. OBD2 computer interface
  247. Jasper Verses OEM
  248. 1996 Eldorado Codes
  249. Piston Slap ?
  250. P0420 Code