View Full Version : Northstar Performance and Technical Discussion


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