: Northstar Engines and System Technical Discussion



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  1. NorthStar Supercharger!!!
  2. 1997 Deville Coolant Flush
  3. I think i got this Traction Control thing figured out!
  4. Northstar Brainteaser
  5. New Northstar in 2008? Ultra?
  6. Service Engine Light and history codes
  7. Whats code 94?
  8. DIY Replace Coolant for 94 STS
  9. Lower Crankcase Reseal
  10. PC0300 with troubleshoot. Coil Resistance?
  11. '94 Eldorado Coolant change. Help!
  12. Squeaking belt noise - Help!
  13. oil change timing
  14. changed FPR now P0507 code?
  15. need help with water pump.
  16. Fix it or not? Head Gasket.
  17. Future 1996 STS buyer
  18. update on Polyisobutylene
  19. So, I took it to Cottman........
  20. 03 DTS Major Tune Up
  21. Codes, Codes, and more codes....
  22. First WOT on Grandma Owned N*
  23. Tech Manual
  24. What are the performance number of the SLS,DHS
  25. 98 Seville engine mount
  26. N* all OBDII?
  27. EGR Valve Cleaning and Location
  28. How To Replace O2 Sensor Bank 1 Sensor 1
  29. 93 Eldo transaxle
  30. Intake Bolts
  31. Fuel rail/line recall
  32. Saw an interesting Swap today.... (56k take a nap)
  33. Need some help from someone with a 96-99 manual
  34. Not enough WOTs?
  35. another problem solved! N* stutter gone
  36. Coolant Eats Gasket?
  37. Starter Idiocy?
  38. Have you tried Polyisobutylene ??
  39. How to Remove EGR Valve
  40. Granatelli Trans Tuner - Anyone try this?
  41. Granatelli Trans Tuner - Anyone try this?
  42. Performance Survey - New Owner - Seeking Ideas
  43. 94 STS - Throttle Plate Orientation
  44. cruise linkage
  45. 95 STS hi-rpm and auto-acceleration problem
  46. Data on the northstar
  47. Buy a N* with a blown head gasket - Dumb idea?
  48. Weird Idle Issues
  49. 1994 Concourse stuttering
  50. Cooling Fans
  51. Coolant supplement clogged T stat
  52. ghost in the machine
  53. Turbo STS Dyno results
  54. PCM Source
  55. 99 Deville misfire and fuel sensor
  56. Learning about Torque Convertor and solenoid
  57. Casper Electronics TPS Enhancer
  58. What year Nstars fit '99 Deville?
  59. Help:Crankshaft Sensor Replacement
  60. Torque convertor can damage the solenoids?
  61. What will it take to get you to buy a 80mm throttle body?
  62. Is this a "freeze plug"?
  63. Is this a 95 intake?
  64. Weird Hydraulic whine, maybe tranny????
  65. # 8 misfire
  66. where are the plugs on my 03 dhs northstar engine?
  67. Water Leak
  68. 4T80E vs Dexron VI, GM new standard
  69. 200,000 mile mark reality? 1996 STS NStar
  70. It wasnt a hole in the block!!!!!
  71. Just Bought a Granma owned NS w/81K-WOT?
  72. please help!?!?!?!?!
  73. High volt MAP
  74. Rough Idle and Stuttering Acceleration
  75. 94 seville sls oil pan gasket replacement...
  76. 97 headgaskets what else should be done?
  77. Differences in the Northstar engines
  78. PCM info for NorthStar
  79. accessing rear spark plugs
  80. 99 STS Turbo charged video
  81. 1994 Eldorado P083 Code?
  82. Looking for help with Codes
  83. What's this noise....
  84. How do you I.D. an engine?
  85. Expansion tank leaking...
  86. Engine ID
  87. 1994 eldorado fuel pump
  88. unchanged SP wires longevity?
  89. Launch Control for N* ignition
  90. coolant loss
  91. Can I fix my 01 Northstar myself?
  92. Turbo WOT 7psi to REDLINE
  93. 0101 MAF-continues
  94. Turbo Update
  95. changing out o2 sensor on 97 deville
  96. P0404 - Exhaust Gas Recirculation (EGR) Open Position Performance?
  97. deciphering DTC messages into plain English
  98. Cylinder Head Info!
  99. Northstar noise
  100. Best Code Reader/Scanner?
  101. EGR change w/ SS fuel rail- trick maybe
  102. Where is the INPUT SPEED SENSOR?
  103. 97 deville fuel problem
  104. GM coolant additive???
  105. Car wont start
  106. Serpentine belt
  107. no overdrive in my 98 eldo
  108. Really Head Gasket?
  109. New plugs and wires, now misfire
  110. STS Tranny trouble
  111. Improper Sparg plug gap, what happens?
  112. 94 STS hesitates or stumbles
  113. Need a Timesert kit
  114. its been a little while but i am back for good!!
  115. Stalls after fill-up
  116. High Oil Consumption *INFO*
  117. I got porked...Blown N*.
  118. Glowing red exhaust manifolds
  119. Pop Off / Backfire Valve Replacement
  120. fuel filter location?
  121. Pictures of Turbo Project
  122. Head gasket compressed thickness
  123. Emission Codes
  124. Extremely Rough Idle... Cracked Intake Manifold?
  125. Spark Plug Gap
  126. Biggest Problems with the N*'s?
  127. 1999 STS - Timesert question
  128. Gurgling Sound/ Trapped Air in Coolant System
  129. Injector
  130. 95 Deville howl's near the belt
  131. 97 deville N* head gasket costs?????
  132. No overdive
  133. Emmissions Codes
  134. One gear, LIMP MODE? NO CODES
  135. 2000 Deville TCC PWM replacement
  136. p056
  137. 98 Northstar Fuel Rail Recall
  138. Removing bad FPR
  139. '95 Eldorado start-up getting more "difficult"
  140. 93 Northstar Headgasket - Can I do it myself?
  141. Reliability and longevity of a 97 N* motor?
  142. Gas-saving gadgets article
  143. Crank Position Sensor
  144. 1993 1994 Northstar Intake Manifold
  145. How do I spot a head gasket starting to go?
  146. 97 deville radiator drain
  147. N* with code p041
  148. Intake mod
  149. Cold Start Backfire from 97 N*?
  150. OBD2 computer interface
  151. Jasper Verses OEM
  152. 1996 Eldorado Codes
  153. Piston Slap ?
  154. P0420 Code
  155. Northstar oil pump
  156. N*4.6 vibration problem
  157. Cooling system question
  158. Need an engine teardown pic...
  159. Cam Cover Gasket / o-ring replacement
  160. changing altn
  161. Reflash PCM on 96
  162. Link From Consumer Affairs to Dexcool Lawsuit Atty.
  163. Timesert Kit Needed Asap!!!
  164. Failed Emissions Test- But No Codes
  165. fpr fpr
  166. 1999 Northstar with blown head gasket
  167. Water pump??
  168. plugs and wires
  169. Changed TPS on 95 STS d/t P020, now MIL & P080
  170. throttle body cleaning was the answer
  171. Now having trouble in a different way
  172. 200 Deville occasionally won't Idle when starting warm
  173. P1406 Code? EGR?
  174. idle relearn and isc adjust
  175. 1993 Fuel Psi regulator
  176. Cracked Engine Block in 2001 DeVille
  177. 93 -99 N* vs 2000 - 2004, which is better
  178. motor mount...and more
  179. 97 deville leakin trans fluid
  180. MAF replacement
  181. too hot and too cold
  182. Does anybody here have full access to TSB info at alldata?
  183. Overheat SOLVED ! Thank You Ranger & Others
  184. '95 Northstar 4.6 oil leak
  185. Northstar Blower Motor For Sale
  186. 96 Deville running hot
  187. 97 deville stalling, no codes
  188. Changing Spark Plugs- '99 STS
  189. 94 sls overheating,maybe...
  190. I see a lot of posts on supercharging a Northstar
  191. How to get more torque, 03-DTS
  192. Replace or fix
  193. Typical NOOB questions...
  194. Northstar intake manifold
  195. Northstar intake manifold
  196. hey zonie or ranger,
  197. Losing Coolant & Radiator Leakage
  198. ac delco plugs..<-1999 and 2000-> years, whats the difference?
  199. Delco VS Bosch Plug Wires
  200. Oil "Blow By"
  201. Coming 6 speed automatic
  202. WOT - is this the ONLY way to remove carbon buildup?
  203. New source for 80mm throttle bodies!
  204. Is It A Head Gasket???
  205. Jasper Engines
  206. Confused about spark plug type
  207. Surge Tank Design
  208. Stranded out of town!!!
  209. Speed limiter
  210. cams in a northstar
  211. acceleration troubles...
  212. Coolant crossover photos
  213. P0300 Vote!
  214. the best oil for the northstar engine
  215. No Start Please I Need Help!!
  216. 3 questions regarding the timesert job
  217. fuel air mixture
  218. Replacing O2s
  219. P056
  220. Northstar V. 4.9
  221. 97 northstar engine miss
  222. Engine oil leak
  223. IN Trouble Now losing coolant
  224. ice possible message...?
  225. 96 deville oil leak
  226. Replacing a Northstar with a LS1
  227. i cant stand this stalling, why does this happen?
  228. 94STS Blown Gasket Pics
  229. 96 deville
  230. all my problems help!!!!
  231. adding a fuel treatment
  232. Is it normal for...
  233. Surging at low revs and hard shift into 2nd
  234. couple of problems, only one code- AMP B1024
  235. You want DYNO graphs?
  236. 98' Deville Waterpump
  237. The best northstar engine?
  238. How can I avoid head gasket damage?
  239. 93 Northstar Stalls with no codes
  240. '92 Seville radio question
  241. "Clunk" noise at startup? Trans Problem? Help!!
  242. fuel treatment
  243. Code P0101
  244. P023 code on 95 Eldorado
  245. 93 Eldo intermittent no spark,no start
  246. Motor change
  247. Injector malfunction Help!!!!
  248. Mod questions for a 2000 DeVille
  249. Sounds like a bird chirping
  250. 97 deville hesiatation!!!!!