: Northstar Engines and System Technical Discussion



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