View Full Version : Northstar Performance and Technical Discussion


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  1. Remote mirror removal & repair questions
  2. Where is my gas filter? 97 STS
  3. Oil Burning Eldo, 1997 Etc..
  4. Northstar Intermittent misfire-Pulling hair out!!
  5. 96 concours code help!!
  6. Performance chips...scam?
  7. Some unanswered throttle body cleaning questions
  8. 1996 sts - "NO IRC DATA"
  9. 1996 DeVille won't start
  10. EGR valve removal.. need a bit of help
  11. lift
  12. Bbob - a leason on sealers, please!
  13. Need Options...coolant blowing out...
  14. Code P0335 on 2001 STS
  15. benlomand
  16. Possible Main Bearing Knock....what to do?
  17. ***********
  18. compression check out of car
  19. n* check coolant level on 97 deville
  20. BBob need help
  21. Air intake "twister"?
  22. smell coolant? check freezeplugs
  23. Help with PC0174 code
  24. rss c1769 code.. help !
  25. NorthStar Reputation..
  26. RTD means??
  27. 1996 SLS Won't Disengage Parking brake when put into gear?
  28. LD8 L37 comparison...which is really quicker?
  29. N* coolant problem
  30. Does A Northstar Have Mds?
  31. thanks to bbob, ranger, etc.
  32. What's up with the new "Universal" coolant? (Bbob?)
  33. I'm being ROBBED! (of hp)
  34. using non-GM spark plug wires?
  35. How many have blown Northstars
  36. Water Pump Replacement
  37. CD-ROM Service Manuals
  38. HELP: BPTB, AC compressor
  39. Replaced A And B Shift Still Actin Funny
  40. p094 code - where is the soleniod located?
  41. service vehicle soon !!!!!!
  42. Help with removing Northstar coolant crossover
  43. error code
  44. supercharger??
  45. OK, who else needs a timesert kit????
  46. Can the Northstar be rebuilt?
  47. Using oil....but where?
  48. VIN Code "9"
  49. Head gasket and mileage...
  50. 96 Eldorado trouble code PC 0420...
  51. My First problem with my 2001 DTS if anyone can help?
  52. 97 deville cooling system
  53. air bag
  54. Dead #1 - Stumped & DisCUSSeded!
  55. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  56. Northstar Head Gasket.. What Parts Needed???
  57. 94 concours rough idle when hot
  58. Where does a coolant change go into?
  59. Oil Pump - how to inspect and test out of engine
  60. Possible for Trans. Solenoids not to show a code?
  61. Code AC1348 on 1996 seville SlS what does it mean?
  62. AAA Extended Warranty
  63. Technical Service Bulletins
  64. 94 concours, test your knowledge
  65. My car Quacks
  66. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  67. s/s fuel rail removal to get to EGR...
  68. Transmission codes
  69. Which pistons can and should I use
  70. Fastest NORTHSTAR
  71. changing out serpentine tensioner
  72. Service engine soon light-94 concours
  73. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  74. Motor Oil Choice
  75. Finding coolant leak...need help
  76. Oil Under Intake 94 Northstar
  77. Engine Coolant Temperature 190-201 F
  78. Engine misfire/stall codes
  79. How do I clear codes?
  80. '95 SLS high idling temperature
  81. Right Milage?
  82. Removing the dowels
  83. What is normal engine temp for the northstar?
  84. What mods is available for my 94 SLS ???
  85. Is There a Bar’s Leak pellet usage limit???
  86. oil pressure low...engine getting hotter
  87. Replacing Belt Idler & belt - HELP!
  88. Head bolts & time-serts?
  89. Fuel filter R&r
  90. 98 SLS Overheating in minutes
  91. 96 deville fuel pressure regulator?
  92. blower motor control issues
  93. '96 Deville SES light on and hard to start
  94. Where can i find a supercharger
  95. Northstar Engine assembly - instructions
  96. 4T80E down shifting RPM 4000
  97. coolant leak
  98. Low Oil Pressure???
  99. Bar's Leaks "Head Gasket Repair"
  100. 96 Deville No Start condition, help
  101. 94 N* swap in 96 Eldo
  102. Preventing head gasket and cooling system failures...
  103. Engine oil life % - Who uses it?
  104. GM Dealer Coolant Procedure?
  105. Another Coolant Question
  106. Oil Additives... BBOB?? and others....
  107. 98 deville ses lights
  108. can '98 Northstar be tuned to take Regular Gas?
  109. gas in oil
  110. engine code 9 with a trouble code 53.
  111. 2001 eldorado engine quits momentarily
  112. 2002 Escalade 70k miles QUESTIONS???
  113. Re-Set Codes
  114. Codes and Coolant Mistery, Hesitation
  115. Synth ATF
  116. Check engine light
  117. Code Buttons
  118. EGR removal on 1997 seville w/ northstar?
  119. northstar 32v V8 2001 eldorado engine
  120. Engine wont rev Bad Tranny
  121. 4t80E will not shift into third
  122. Installed Magnaflows.........
  123. P039 – VCC Lockup Problem: Read Archives, Still Have Questions
  124. EGR Trouble HELP???
  125. OBD? DTC? How do I access these?
  126. Heater hoses
  127. Heater hoses
  128. Radiator tablets redux
  129. "CHECK COOLANT LEVEL" 14 months after fluid change
  130. what does this code pertain to? pc0153 current
  131. i need help with my deville
  132. what is wrong with my 1996 deville
  133. Little green hoses
  134. DTS MODs?
  135. Trouble Codes and Car Shuddering
  136. EBTCM traction control module
  137. will purchase 98 Eldo ETC... who should inspect/work on car? EXT Warranty Info help
  138. Read This, Need Help!!! Egr??? Fpr???
  139. 98 deville
  140. Eldo Mods? chip, exhaust, nos, ect.
  141. 3 more radiator queries
  142. 2 more radiator drain queries
  143. Transmission Pressuse Solenoid
  144. 95 Concours Put Barsleak in canister
  145. 96 Deville codes pco603 and pco717
  146. Reset codes?
  147. "Flush" coolant?
  148. ETCBM (traction control computer)
  149. 1996 DeVille Northstar
  150. Motor mount help needed!
  151. 1994 STS First Roadtrip Coolant Temp
  152. Break In Oil
  153. question about N* headgasket
  154. trans code
  155. No 4th gear...
  156. 02 sensor
  157. Northstar longevity! 323,000 miles!
  158. 95 Seville SLS Major Problems
  159. Found the SES P102 issue! Now A/C issue
  160. TPS and/or EGR needed?
  161. OBDII diagnostic codes
  162. P0102/B1009/U1301 and others HELP!!!
  163. Max throtle angle
  164. Throttle Position Sensor relearn
  165. Original or swapped N*
  166. New cdes!!!!
  167. 1995 Concours, Fuel injector size?
  168. Reading .Bins from proms?
  169. Coolant changed to green... problem?
  170. Northstar Rebuild --- Chime In, I have questions...
  171. Preventive Maintenance While Engines Out
  172. burn out? burn not.
  173. Removing Heli-coils
  174. DIC items???
  175. cost?
  176. Oil Cooler Lines
  177. Smell Coolant but from what?
  178. VIN and Performance Questions
  179. Small coolant leak
  180. check engine soon
  181. 1994 Northstar Swap
  182. Bbob, Purging/exchanging tranny fluid
  183. Rough running 2000 Seville
  184. northstar motor swap
  185. oil pan gasket change
  186. 4T80E hard shift
  187. black box under car????
  188. 93 eldorado
  189. 1987 Deville Stereo Question, Please help?
  190. Fuel Injector
  191. Car jerking in 3rd gear
  192. 98 Northstar Motor Whistle
  193. Head Bolts, fixed by what year?
  194. Good repair shop in DC/MD/VA area
  195. 2001 Cracked block??
  196. rough idle at start-up
  197. Chronic miss in 4.6L Northstar
  198. Engine Cold/Knock/Tick Noise (Replace Pistons)
  199. Question for OBD1 Guys: Can you pop an eprom out of your ECM?
  200. Performance Upgrades?
  201. 02 sensor
  202. service eng light when heat turned on
  203. Won't start - Inconsistent compression
  204. L37 vs LD8, actual differences?
  205. Need Help Please!!!
  206. High charging voltage, stumped?
  207. No start on cold days?
  208. Dealer Diagnosis - $3000 BS??
  209. has anyone had a problem with 98 sls dieing at a low idle?
  210. ABS - Traction Control
  211. help with codes please
  212. High performance ignition?
  213. Northstar Performance Enhacements?
  214. Power LOSS
  215. Has anybody done a S/C northstar yet?
  216. PCM P1153: 02 Sensor Insufficient Switching, PLEASE HELP
  217. Traction Control Problem
  218. Bobbyinski -- Northstar failure
  219. Cold Engine Misfire
  220. DTCs from my flood car - help with diagnosis
  221. PCM code????
  222. how to pull dic codes?
  223. Dealer Installed Timesert Question
  224. 99 deville sounds/runs awful
  225. Oil pan gasket
  226. n.star water pump removal & install how-to
  227. Thinking of buying a Snap-On MT2500, any thoughts?
  228. Crankcase scrap rate.
  229. what years are compatible with my 93 STS?
  230. Aaaaagh! I should'v know better,
  231. Headlights wont cut off
  232. 2000+ engine in 1998 possible maybe?
  233. Service Engine Light Codes...Please Help
  234. Severe lack of performance
  235. Chk Emmisions/Chk Engine/Rough/Smelly
  236. code tc 0073 ?
  237. Leaking Radiator fixed
  238. RPM Surge at startup
  239. Engine Running Hot..239 at shut off
  240. 2000 deville clicking noise
  241. 1994 sts Idles @ 2-3 thousand RPM
  242. engine dies frequently-pc0231 the problem?
  243. Is this head gasket, or ? ? ?
  244. 94 Eldorado rough at slow speeds
  245. Particulars of VVT?
  246. Rough idle on cold start-up
  247. 5 reasons I LOVE my '94 n* DeVille
  248. Check Coolant Level after Water Pump R/R
  249. Engine Temperature
  250. MAT sensor, MAP sensor....