: Northstar Engines and System Technical Discussion



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  1. Casper Electronics TPS Enhancer
  2. What year Nstars fit '99 Deville?
  3. Help:Crankshaft Sensor Replacement
  4. Torque convertor can damage the solenoids?
  5. What will it take to get you to buy a 80mm throttle body?
  6. Is this a "freeze plug"?
  7. Is this a 95 intake?
  8. Weird Hydraulic whine, maybe tranny????
  9. # 8 misfire
  10. where are the plugs on my 03 dhs northstar engine?
  11. Water Leak
  12. 4T80E vs Dexron VI, GM new standard
  13. 200,000 mile mark reality? 1996 STS NStar
  14. It wasnt a hole in the block!!!!!
  15. Just Bought a Granma owned NS w/81K-WOT?
  16. please help!?!?!?!?!
  17. High volt MAP
  18. Rough Idle and Stuttering Acceleration
  19. 94 seville sls oil pan gasket replacement...
  20. 97 headgaskets what else should be done?
  21. Differences in the Northstar engines
  22. PCM info for NorthStar
  23. accessing rear spark plugs
  24. 99 STS Turbo charged video
  25. 1994 Eldorado P083 Code?
  26. Looking for help with Codes
  27. What's this noise....
  28. How do you I.D. an engine?
  29. Expansion tank leaking...
  30. Engine ID
  31. 1994 eldorado fuel pump
  32. unchanged SP wires longevity?
  33. Launch Control for N* ignition
  34. coolant loss
  35. Can I fix my 01 Northstar myself?
  36. Turbo WOT 7psi to REDLINE
  37. 0101 MAF-continues
  38. Turbo Update
  39. changing out o2 sensor on 97 deville
  40. P0404 - Exhaust Gas Recirculation (EGR) Open Position Performance?
  41. deciphering DTC messages into plain English
  42. Cylinder Head Info!
  43. Northstar noise
  44. Best Code Reader/Scanner?
  45. EGR change w/ SS fuel rail- trick maybe
  46. Where is the INPUT SPEED SENSOR?
  47. 97 deville fuel problem
  48. GM coolant additive???
  49. Car wont start
  50. Serpentine belt
  51. no overdrive in my 98 eldo
  52. Really Head Gasket?
  53. New plugs and wires, now misfire
  54. STS Tranny trouble
  55. Improper Sparg plug gap, what happens?
  56. 94 STS hesitates or stumbles
  57. Need a Timesert kit
  58. its been a little while but i am back for good!!
  59. Stalls after fill-up
  60. High Oil Consumption *INFO*
  61. I got porked...Blown N*.
  62. Glowing red exhaust manifolds
  63. Pop Off / Backfire Valve Replacement
  64. fuel filter location?
  65. Pictures of Turbo Project
  66. Head gasket compressed thickness
  67. Emission Codes
  68. Extremely Rough Idle... Cracked Intake Manifold?
  69. Spark Plug Gap
  70. Biggest Problems with the N*'s?
  71. 1999 STS - Timesert question
  72. Gurgling Sound/ Trapped Air in Coolant System
  73. Injector
  74. 95 Deville howl's near the belt
  75. 97 deville N* head gasket costs?????
  76. No overdive
  77. Emmissions Codes
  78. One gear, LIMP MODE? NO CODES
  79. 2000 Deville TCC PWM replacement
  80. p056
  81. 98 Northstar Fuel Rail Recall
  82. Removing bad FPR
  83. '95 Eldorado start-up getting more "difficult"
  84. 93 Northstar Headgasket - Can I do it myself?
  85. Reliability and longevity of a 97 N* motor?
  86. Gas-saving gadgets article
  87. Crank Position Sensor
  88. 1993 1994 Northstar Intake Manifold
  89. How do I spot a head gasket starting to go?
  90. 97 deville radiator drain
  91. N* with code p041
  92. Intake mod
  93. Cold Start Backfire from 97 N*?
  94. OBD2 computer interface
  95. Jasper Verses OEM
  96. 1996 Eldorado Codes
  97. Piston Slap ?
  98. P0420 Code
  99. Northstar oil pump
  100. N*4.6 vibration problem
  101. Cooling system question
  102. Need an engine teardown pic...
  103. Cam Cover Gasket / o-ring replacement
  104. changing altn
  105. Reflash PCM on 96
  106. Link From Consumer Affairs to Dexcool Lawsuit Atty.
  107. Timesert Kit Needed Asap!!!
  108. Failed Emissions Test- But No Codes
  109. fpr fpr
  110. 1999 Northstar with blown head gasket
  111. Water pump??
  112. plugs and wires
  113. Changed TPS on 95 STS d/t P020, now MIL & P080
  114. throttle body cleaning was the answer
  115. Now having trouble in a different way
  116. 200 Deville occasionally won't Idle when starting warm
  117. P1406 Code? EGR?
  118. idle relearn and isc adjust
  119. 1993 Fuel Psi regulator
  120. Cracked Engine Block in 2001 DeVille
  121. 93 -99 N* vs 2000 - 2004, which is better
  122. motor mount...and more
  123. 97 deville leakin trans fluid
  124. MAF replacement
  125. too hot and too cold
  126. Does anybody here have full access to TSB info at alldata?
  127. Overheat SOLVED ! Thank You Ranger & Others
  128. '95 Northstar 4.6 oil leak
  129. Northstar Blower Motor For Sale
  130. 96 Deville running hot
  131. 97 deville stalling, no codes
  132. Changing Spark Plugs- '99 STS
  133. 94 sls overheating,maybe...
  134. I see a lot of posts on supercharging a Northstar
  135. How to get more torque, 03-DTS
  136. Replace or fix
  137. Typical NOOB questions...
  138. Northstar intake manifold
  139. Northstar intake manifold
  140. hey zonie or ranger,
  141. Losing Coolant & Radiator Leakage
  142. ac delco plugs..<-1999 and 2000-> years, whats the difference?
  143. Delco VS Bosch Plug Wires
  144. Oil "Blow By"
  145. Coming 6 speed automatic
  146. WOT - is this the ONLY way to remove carbon buildup?
  147. New source for 80mm throttle bodies!
  148. Is It A Head Gasket???
  149. Jasper Engines
  150. Confused about spark plug type
  151. Surge Tank Design
  152. Stranded out of town!!!
  153. Speed limiter
  154. cams in a northstar
  155. acceleration troubles...
  156. Coolant crossover photos
  157. P0300 Vote!
  158. the best oil for the northstar engine
  159. No Start Please I Need Help!!
  160. 3 questions regarding the timesert job
  161. fuel air mixture
  162. Replacing O2s
  163. P056
  164. Northstar V. 4.9
  165. 97 northstar engine miss
  166. Engine oil leak
  167. IN Trouble Now losing coolant
  168. ice possible message...?
  169. 96 deville oil leak
  170. Replacing a Northstar with a LS1
  171. i cant stand this stalling, why does this happen?
  172. 94STS Blown Gasket Pics
  173. 96 deville
  174. all my problems help!!!!
  175. adding a fuel treatment
  176. Is it normal for...
  177. Surging at low revs and hard shift into 2nd
  178. couple of problems, only one code- AMP B1024
  179. You want DYNO graphs?
  180. 98' Deville Waterpump
  181. The best northstar engine?
  182. How can I avoid head gasket damage?
  183. 93 Northstar Stalls with no codes
  184. '92 Seville radio question
  185. "Clunk" noise at startup? Trans Problem? Help!!
  186. fuel treatment
  187. Code P0101
  188. P023 code on 95 Eldorado
  189. 93 Eldo intermittent no spark,no start
  190. Motor change
  191. Injector malfunction Help!!!!
  192. Mod questions for a 2000 DeVille
  193. Sounds like a bird chirping
  194. 97 deville hesiatation!!!!!
  195. '96 STS OverHeating
  196. Head Gasket on 99 STS
  197. Pcv
  198. 02 DTS, Crank Sensor and Gas Mileage question, HELP!
  199. New solenoid valve kit if anyone wants it
  200. Northstar barely running
  201. Curious about performance mods...
  202. please idlee problemss help!
  203. Self scanning OBD while driving
  204. WOT advice for new member
  205. N* 1994 compatible with 1995????
  206. Coolant level? '97 Deville
  207. p1860 and p0741 repair help
  208. White Exhaust
  209. I have a code that's not on my list of codes. (P069)
  210. IAT sensor
  211. it ran so good in the past
  212. Leak Back Pressure Incorrect
  213. Code P1406 - EGR Valve Pintle Position Circuit
  214. HELP Rear Exhaust Flange Bolt Removal
  215. 02 STS simple things to help performance
  216. Groaning sound.....waterpump?
  217. Installing TPS right now.....
  218. help changed engine
  219. Throttle Body Service...is it worth$$?
  220. Throttle Body Cleaning, worth the hassel?
  221. Coolant Drain Plugs On the N*
  222. codes codes and more codes
  223. service.gm.com password?
  224. years headgaskets go bad?
  225. coolant smell help!
  226. sudden stalling
  227. Dyno results before turbo charging
  228. 4.6 Northstar Parts
  229. Head Gasket Problem!!!
  230. Just had timeserts installed.
  231. oil leak
  232. Loosing Oil and Burning Smell
  233. need info on 1999 cadillac deville engine
  234. Carbon Deposit HELP FAST
  235. ABS Question/New Engine
  236. 3rd or 2nd gear for brake help
  237. O2 sensor
  238. No2 + N* ???
  239. Engine seems to be knocking
  240. No cruise driving me nuts!!!
  241. Throttle body bolt torque specs
  242. Bad Smoke Help Please
  243. Coolant Flushing Pros/Cons?
  244. Hot start...but not the FPR!
  245. failed emissions test
  246. Has anyone had a headgasket leak oil?
  247. Low Oil Pressure Stop Engine !
  248. Carbon Deposit cleaning TEC
  249. Performance Programer 97 ETC??
  250. Ram Air