: Northstar Engines and System Technical Discussion



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  1. G-tech pro times.
  2. That's what I call stopping a leak!
  3. Need Valve Body Torque Secs ASAP Please
  4. 98 deville x grandpa mobile
  5. Northstar Experts Please Stand Up.....
  6. Robert Benham
  7. Bleeding air out of cooling system
  8. I think I blew it up
  9. northstar rough accleration/idle
  10. ALBUNDY - can't PM you
  11. Gm top engine cleaner
  12. transmission interchange
  13. 96 deville N* cats question
  14. 94 SLS I seem to be on a losing streak!
  15. Premium vs. Regular
  16. coolant fans
  17. Overheat Part 3
  18. coolant loss
  19. 94 Eldorado Power Steering Fluid?
  20. Big Serts installation
  21. lifter noise?
  22. Some advice
  23. Overheat, Part 2
  24. 2000 STS MAP sensor voltage high?
  25. FRP Help!! ASAP!!
  26. Overheat!
  27. 1999 Eldorado won't start and left me stranded
  28. Anyone use "regular" plug wires in N*?
  29. Higher Stall Converter...
  30. i think i found a fuel control system.
  31. 94 SLS radiator hydraulic line
  32. K&N Intake...I want one!
  33. ABS wiring diagram
  34. What are the available Northstar aftermarket performance parts?
  35. Northstar Oil Leak
  36. Northstar in the 1997-1999 Deville.. questions.
  37. N* with nitrous.
  38. 5000 mile or wait for oil life trigger?
  39. Hi Flow Cat converter to go with Corsa Exhaust, which one?
  40. MSD coils? I hit 104
  41. eldorado1- throttle body for 94 eldo available?
  42. need IAC, TPS, MAP sensors?
  43. 4.6 caddy vs. olds 4.0
  44. Has anyone here added performance parts to a 94 eldorado
  45. Bad coil packs or what?
  46. northstar battery
  47. 94 eldorado bad starter possibly?
  48. Starter change 94 SLS
  49. What's happening to the messages display?
  50. Day after alternator replace, now I need a new belt...coincidence?
  51. block off EGR
  52. Transmisson monitor??
  53. Water pump leak??
  54. Will machined heads mess up the ECU due to increased compression ?
  55. The Turbonator
  56. 96 STS engine swap
  57. Ok explain this.............
  58. Oil on sparkplugs??
  59. need help 96 deville
  60. North Star Temperature
  61. History Codes ??? & P0420
  62. VSS....how hard is it to change?
  63. Engine is not cranking - starter is fine
  64. Oil Leak
  65. Is head gasket a common problem with sts
  66. Please Help!!!!!!!!!
  67. Im running with no suppliment....
  68. Whirring noise.....you thinks its the alternator?
  69. Wot?
  70. 5W30 vs 10W30, pre 2000 Northstar 84 degree weather
  71. Thermagasket, cylinder head repair goop
  72. Head Gasket Repair - DIY?
  73. 4T80E heartbreak with pictures
  74. N* Replacement
  75. Northstar Motor Mechanic From Dealer
  76. Fuel Pump 95 SLS
  77. Minor value cover (head cover) leaks???Concern???
  78. N* Head Gasket Job, What parts should i BUY
  79. Jasper Engines HEAT TAB
  80. Head Gaskets Again !?!?
  81. 96 deville codes/very sluggish start
  82. n* experts chime in
  83. NorthStar Supercharger!!!
  84. 1997 Deville Coolant Flush
  85. I think i got this Traction Control thing figured out!
  86. Northstar Brainteaser
  87. New Northstar in 2008? Ultra?
  88. Service Engine Light and history codes
  89. Whats code 94?
  90. DIY Replace Coolant for 94 STS
  91. Lower Crankcase Reseal
  92. PC0300 with troubleshoot. Coil Resistance?
  93. '94 Eldorado Coolant change. Help!
  94. Squeaking belt noise - Help!
  95. oil change timing
  96. changed FPR now P0507 code?
  97. need help with water pump.
  98. Fix it or not? Head Gasket.
  99. Future 1996 STS buyer
  100. update on Polyisobutylene
  101. So, I took it to Cottman........
  102. 03 DTS Major Tune Up
  103. Codes, Codes, and more codes....
  104. First WOT on Grandma Owned N*
  105. Tech Manual
  106. What are the performance number of the SLS,DHS
  107. 98 Seville engine mount
  108. N* all OBDII?
  109. EGR Valve Cleaning and Location
  110. How To Replace O2 Sensor Bank 1 Sensor 1
  111. 93 Eldo transaxle
  112. Intake Bolts
  113. Fuel rail/line recall
  114. Saw an interesting Swap today.... (56k take a nap)
  115. Need some help from someone with a 96-99 manual
  116. Not enough WOTs?
  117. another problem solved! N* stutter gone
  118. Coolant Eats Gasket?
  119. Starter Idiocy?
  120. Have you tried Polyisobutylene ??
  121. How to Remove EGR Valve
  122. Granatelli Trans Tuner - Anyone try this?
  123. Granatelli Trans Tuner - Anyone try this?
  124. Performance Survey - New Owner - Seeking Ideas
  125. 94 STS - Throttle Plate Orientation
  126. cruise linkage
  127. 95 STS hi-rpm and auto-acceleration problem
  128. Data on the northstar
  129. Buy a N* with a blown head gasket - Dumb idea?
  130. Weird Idle Issues
  131. 1994 Concourse stuttering
  132. Cooling Fans
  133. Coolant supplement clogged T stat
  134. ghost in the machine
  135. Turbo STS Dyno results
  136. PCM Source
  137. 99 Deville misfire and fuel sensor
  138. Learning about Torque Convertor and solenoid
  139. Casper Electronics TPS Enhancer
  140. What year Nstars fit '99 Deville?
  141. Help:Crankshaft Sensor Replacement
  142. Torque convertor can damage the solenoids?
  143. What will it take to get you to buy a 80mm throttle body?
  144. Is this a "freeze plug"?
  145. Is this a 95 intake?
  146. Weird Hydraulic whine, maybe tranny????
  147. # 8 misfire
  148. where are the plugs on my 03 dhs northstar engine?
  149. Water Leak
  150. 4T80E vs Dexron VI, GM new standard
  151. 200,000 mile mark reality? 1996 STS NStar
  152. It wasnt a hole in the block!!!!!
  153. Just Bought a Granma owned NS w/81K-WOT?
  154. please help!?!?!?!?!
  155. High volt MAP
  156. Rough Idle and Stuttering Acceleration
  157. 94 seville sls oil pan gasket replacement...
  158. 97 headgaskets what else should be done?
  159. Differences in the Northstar engines
  160. PCM info for NorthStar
  161. accessing rear spark plugs
  162. 99 STS Turbo charged video
  163. 1994 Eldorado P083 Code?
  164. Looking for help with Codes
  165. What's this noise....
  166. How do you I.D. an engine?
  167. Expansion tank leaking...
  168. Engine ID
  169. 1994 eldorado fuel pump
  170. unchanged SP wires longevity?
  171. Launch Control for N* ignition
  172. coolant loss
  173. Can I fix my 01 Northstar myself?
  174. Turbo WOT 7psi to REDLINE
  175. 0101 MAF-continues
  176. Turbo Update
  177. changing out o2 sensor on 97 deville
  178. P0404 - Exhaust Gas Recirculation (EGR) Open Position Performance?
  179. deciphering DTC messages into plain English
  180. Cylinder Head Info!
  181. Northstar noise
  182. Best Code Reader/Scanner?
  183. EGR change w/ SS fuel rail- trick maybe
  184. Where is the INPUT SPEED SENSOR?
  185. 97 deville fuel problem
  186. GM coolant additive???
  187. Car wont start
  188. Serpentine belt
  189. no overdrive in my 98 eldo
  190. Really Head Gasket?
  191. New plugs and wires, now misfire
  192. STS Tranny trouble
  193. Improper Sparg plug gap, what happens?
  194. 94 STS hesitates or stumbles
  195. Need a Timesert kit
  196. its been a little while but i am back for good!!
  197. Stalls after fill-up
  198. High Oil Consumption *INFO*
  199. I got porked...Blown N*.
  200. Glowing red exhaust manifolds
  201. Pop Off / Backfire Valve Replacement
  202. fuel filter location?
  203. Pictures of Turbo Project
  204. Head gasket compressed thickness
  205. Emission Codes
  206. Extremely Rough Idle... Cracked Intake Manifold?
  207. Spark Plug Gap
  208. Biggest Problems with the N*'s?
  209. 1999 STS - Timesert question
  210. Gurgling Sound/ Trapped Air in Coolant System
  211. Injector
  212. 95 Deville howl's near the belt
  213. 97 deville N* head gasket costs?????
  214. No overdive
  215. Emmissions Codes
  216. One gear, LIMP MODE? NO CODES
  217. 2000 Deville TCC PWM replacement
  218. p056
  219. 98 Northstar Fuel Rail Recall
  220. Removing bad FPR
  221. '95 Eldorado start-up getting more "difficult"
  222. 93 Northstar Headgasket - Can I do it myself?
  223. Reliability and longevity of a 97 N* motor?
  224. Gas-saving gadgets article
  225. Crank Position Sensor
  226. 1993 1994 Northstar Intake Manifold
  227. How do I spot a head gasket starting to go?
  228. 97 deville radiator drain
  229. N* with code p041
  230. Intake mod
  231. Cold Start Backfire from 97 N*?
  232. OBD2 computer interface
  233. Jasper Verses OEM
  234. 1996 Eldorado Codes
  235. Piston Slap ?
  236. P0420 Code
  237. Northstar oil pump
  238. N*4.6 vibration problem
  239. Cooling system question
  240. Need an engine teardown pic...
  241. Cam Cover Gasket / o-ring replacement
  242. changing altn
  243. Reflash PCM on 96
  244. Link From Consumer Affairs to Dexcool Lawsuit Atty.
  245. Timesert Kit Needed Asap!!!
  246. Failed Emissions Test- But No Codes
  247. fpr fpr
  248. 1999 Northstar with blown head gasket
  249. Water pump??
  250. plugs and wires