: Northstar Engines and System Technical Discussion



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