: Northstar Engines and System Technical Discussion



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  1. Rough Idle after 87 Octane
  2. Exhaust Cam numbers
  3. Supercharger for the N*
  4. More Muffler advice...experts??
  5. How to ID N* engine
  6. Free Valvoline maxlife
  7. Quietest exhaust muffler
  8. northstar eldo fuel
  9. Cheapest place to buy plugs and wires for a 97 Deville
  10. NEEED HELP...Anybody near Framingham or Boston MA
  11. # 1 cylinder misfire
  12. Need Ideas
  13. wide-open throttle ("WOT")
  14. Fuel Injector
  15. Iradium Ix Spark Plug
  16. Overheat Cat Caonverter
  17. Car won't start...just my luck
  18. Throttle body Helix and MPG?
  19. clogged Cat?
  20. PLEASE HELP ME! Northstar is idling fast...
  21. New member, questions and suggestions
  22. (MAS) questions?????????????
  23. Northstar - Starting Problems
  24. hard idle on my 94'Deville Concourse
  25. N* performance approach?
  26. 1994 STS Headbolts
  27. Adding a K&N to 97 N*
  28. Drive with Trans. Code?
  29. Tune Up?
  30. '94 N* runs lumpy - hesitates. Any ideas?
  31. new STS with true dual exhaust???
  32. 97 Lower end thump/knock between 2 and 3k
  33. Code help
  34. Will Not Start - Think Fuel Pump?
  35. idle problem
  36. Fuel pressure at idle/WOT?
  37. oil spraying everywhere from headgasket
  38. Overwrite Obd1
  39. Compression Test
  40. Has anyone done a performance chip?
  41. Stuck in the middle??
  42. Bad Gas? - the reprecussions
  43. engine coolant tempature
  44. My NorthStar project....
  45. radiator coolant
  46. 4T80E shift kit??? and pro tech???
  47. Pontiac Northstar
  48. Spark Plug replacement
  49. Cat
  50. 94 STS with cruise & idle problem. Please help
  51. How Much Transmission Oil?
  52. How many Northstars
  53. DTS horsepower
  54. Infamous Northstar Oil Leak
  55. Decipher acronyms?
  56. Engine Coolant Tenperature
  57. Reapair Manual
  58. Time-sert Repair Kit
  59. Motor Mount Question
  60. Life after timeserts
  61. Northstar 320 hp crate motor
  62. Searching for the Northstar- Please Help
  63. Code P065 & uneven idle
  64. horsepower
  65. Passkey problems and Computer codes
  66. Crank pulley on 94 SLS
  67. Starter Problems
  68. Headgasket replace
  69. transmission is kidna ... odd?
  70. Code C1217 '99 Seville SLS
  71. Anyone ever put on glasspacks on a N*, or heard waht it sounds like?
  72. I'm smelling antifreeze but can't find it!!!
  73. Another Temp thread...
  74. 92 eldorado engine swap
  75. Changing Spark Plugs on Northstar?
  76. How do you check for codes???
  77. Now my deville is overheating !?!?!
  78. Well now that i am getting a free new exhaust...
  79. Transmission lurch
  80. Service Engine Soon
  81. chance to buy a N*.....
  82. Radiator leak on Seville Can it be repaired?
  83. Speed limiter & Tech II
  84. Where to find head bolts?
  85. Oil light comes on in an 98 Deville N*.
  86. Installed my Dynomax Turbo Mufflers
  87. ISC motor correct idling adjustment problem
  88. cooling system problems
  89. 96 eldorado
  90. Stock intake box modifications...
  91. Valve clatter at cold startup
  92. 93 sts w/97 n. s. fuel pump problem
  93. Code I052, Keep Alive Memory What is this? How to fix?
  94. Whats code tc0023?
  95. the shift solenoids
  96. Idler Pulley and Tensioner bolts
  97. So anybody around boston want to help out a fellow Caddy owner?
  98. Engine identification?
  99. wierd traction control problem!!!
  100. Performance Modifications
  101. Haynes manual
  102. Northstar with 120,000 miles ...any problems coming????
  103. Service Engine Soon..... ODBII codes
  104. bad block ?
  105. Where has my coolant gone ?
  106. Crank Position Sensor
  107. Removing EGR on northstar
  108. battery cable repair
  109. My 97 Head Gasket Problem
  110. Anthony Cipriano: Re. Your remarks on Olds Diesel Engine
  111. OBD1 PCM Output Section
  112. feul gauge
  113. 2001 Deville Overheating Problem
  114. 99 deville lifted head
  115. Replacing o2 sensor on a 97 deville
  116. IPC Overides
  117. Speed limit setting on 98 STS
  118. My first code.
  119. Delorean with a northstar.. & 94 Camaro... Links attached
  120. 94 SLS Air Conditioner
  121. hey guys..newbie with some questions!
  122. O-2 Trouble codes
  123. Cadillac Thermostat
  124. Engine Stall/ shut down
  125. Oil Weight Question
  126. Northstar fuel economy?
  127. Passenger climate control
  128. HELP, service emissions eystem
  129. Dipstick 95 SLS
  130. Help with part #?
  131. STS 95: Hard gear shift
  132. power steering pump replacement- ? special tool
  133. 1998 Deville With Hard Starting And A Slight Gas Odor
  134. 1998 Seville rear wheel speed sensor
  135. Fluid Evacuators
  136. Bolt size ?
  137. Proper Spark plug gap?
  138. Prgramming Keyless Entry Remote 98 Deville
  139. Factory Service manuals
  140. Reset codes
  141. 1997 to 2000 engine swap
  142. 96 sts shifter handle
  143. temp guage 97 sts
  144. Diagnostic Troubleshooting
  145. Badly Misfiring 97 STS
  146. Spun bearings in my '94 STS
  147. drain plugs in 97 sts block WHERE?
  148. Best Aftermarket add ons...?
  149. 96 Eldorado
  150. Northstar Pics Please
  151. dynomax exhaust
  152. i need help with codes b2710,b2780
  153. Can't Figure Out How To Set IPC Overides
  154. Northstar in VW Golf. Link Attached.
  155. anyone doing THIS with their N*?
  156. Air Intake Kits
  157. GMPT PV8 (Northstar) engine Cylinder Liner help...
  158. If I Dont Use Premium Unleaded Will It Ruin My 96STS
  159. In English, Please...
  160. error codes
  161. 98 STS Codes
  162. 1999 Deville , Code says convertor is not locking up
  163. 98 Sedan Deville-TRANS HOT-IDLE ENGINE
  164. How do I changes coolant hose
  165. Performance Air Intake Kits ?
  166. N2O in my '98 STS
  167. head gasket and maintainence
  168. 1996 Cadillac Seville running hot? (or not) help needed
  169. help! 2500 rpm idle
  170. I got the codes, now what?
  171. Evap Soleniod
  172. 94 Concours getting 13 MPG What could be wrong?
  173. pcv valve
  174. Oil Amount Debate, Do you put in 7.5 quarts or less at oil change?
  175. What is code p1645 mean
  176. Oil change and coolant
  177. CHanging the top-speed cut-out.
  178. how much extra HP will i get
  179. Used northstar
  180. 94 STS bogging and stalling?
  181. Overheating-head gaskets-screw it!!!
  182. ETC Crossover Leak
  183. Fuel Rail Recall Update
  184. Norstar governor
  185. 2005 Bonneville gets N*
  186. Fuel Rail Recall Missinformation
  187. Scan Tool Questions
  188. CARFAX (engine / car serial Numbers)
  189. Who has done a lot of mods to NS powered cars?
  190. Oxygen sensor problems
  191. All was fine until... hard cold start prob
  192. No orange light in Park, D, 2,1 in cluster on Concours?
  193. new 99 eng for 97 how much is different?
  194. 96 deville error codes P0147 and P0146, where do I look?
  195. po741 error shifting problem
  196. Leaking coolant
  197. Cat-back systems
  198. Throttle Body Cleaning
  199. coolant temp sensor
  200. carfaxing a used northstar
  201. Exhaust crossover
  202. 1994 sts 94K miles overheating
  203. Timesert kit for sale
  204. rough idle
  205. IPC lights ....out
  206. 96 sts transmission
  207. Fuel Rail Recall, just got the letter
  208. Changing That Water Pump Belt
  209. headgasket repairs
  210. Traction Control & a code.....
  211. newb looking for part numbers
  212. Solenoid/Valve Body/Trans Pan Pics!!!!!!!!
  213. Volant Air Intake
  214. Oil pressure check
  215. replacing my 96 northstar
  216. Where is it all?
  217. Will I suck her dry if....
  218. Shift Solenoid Kit Pics of Parts!!!!
  219. About to kick my caddy
  220. 98 STS Has DIC That Still Registers 100% Trans Fluid Life
  221. Northstar missing at idle
  222. Fuel Rail Leak on 98 Deville!!!
  223. Best Bar's Leak...C16 Liquid
  224. To replace or repair the n. star
  225. 97 Deville Question
  226. northstar extended warranty
  227. Noticeably Better Gas Mileage..On 10 yr old+ Engine!?
  228. Gas miles -- Standard DeVille vs DTS
  229. Changing out Fuel Rail??
  230. intake manifold bolt torque?
  231. Strange Things Happing
  232. Gas pedal click
  233. Starting to get rough idle
  234. Fixin' to pull the engine
  235. Head Gasket Leak : NO OVERHEAT with coolant supplement
  236. TPS replacement problem
  237. Fuel Leak
  238. Northstar transplant and electronics
  239. Best way to prevent an oil leak on N*?
  240. 180F or 195F Thermostat for 94 N*?
  241. Misfiring and Service Engine light
  242. Coils / Intermittent "missing" on my 99 STS
  243. Hey Hotrodelectric
  244. Northstar Expectancy
  245. Code P094 Shift A Solenoid Speed Sensor Where and what is it 94 Concours?
  246. Ac
  247. Apparent Coolant Leak Below Water Pump
  248. What makes the Headgaskets go so often on early N*s?
  249. Engine Service Soon light on but no codes??? 94 Concours
  250. Perfect exahust flow for 1999 STS?