: Northstar Engines and System Technical Discussion



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