: Northstar Engines and System Technical Discussion



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