View Full Version : Northstar Performance and Technical Discussion


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  1. Interior dimmer location on 03 Deville?
  2. Blown Coolent crossover gasket....$$$$
  3. Missing Bracket or support
  4. Check Coolant Level
  5. 93 Eldo Overheats New Thermostat Didn't help
  6. Where to find tie bars?
  7. What's wrong in these pictures?
  8. 94 Northstar Oil Leak
  9. Northstar 4.0 mods?
  10. Engine Hesitation ?
  11. shift points???
  12. Pcm part number ???
  13. Northstar Engine Facts & Tid Bits
  14. oil filter 96 sts help
  15. Aurora airbox wrapped!
  16. Oil leaking on a 200K miles engine. Is the engine still good?
  17. Corsa Performance
  18. intermittent misfire on #1 cylinder. Help Please.
  19. Rotten Egg smell....
  20. 97 concours hard starting
  21. Bbob-Interesting facts of Northstar engines
  22. Engine stalled and wont restart!!!
  23. Northstar hesitation
  24. '96 Northstar Vs. '97 Northstar
  25. fuel injectors???
  26. Tranny clunk in 98 sls
  27. Head Bolt Torque
  28. Was driving and caddy cut off?
  29. 97 STS and EGR
  30. Oil for Northstar 7.5 or 8.0
  31. Low Refrigerant Msg: 2 or 3 cans?
  32. Northstar head gasket parts.
  33. 94 Concourse Transmission
  34. 97 Eldorado Fuel Pump gone bad?
  35. im new want to know some things
  36. BBob, 2 stroke oil in gas to preserve...
  37. Reprogramming Computer
  38. which plug is right?
  39. bbob - Correct Crank Scraper/Placement
  40. want RWD N*
  41. dumb question of the week, whats a pcv valve do?
  42. 97 deville- Loud clunk followed by surging....
  43. Rattle in front of engine on first start up? Help!!
  44. Looking for performance items for the Northstar
  45. New revised Head Torque Procedure
  46. Torque Converter Stall for STS
  47. Carbon knock and 1 quart per 1.000 miles
  48. Stumped!! - problem setting cam timing
  49. Cleaned throttle body, lots of gunk...
  50. 94 STS Rough Idle, Jerking in overdrive with no load on moter!
  51. 96 Deville o2 Sensor question
  52. o2 sensor problems
  53. How common are the "Z" speed rated NorthStar's
  54. Diagnostic Code help
  55. Hard Shifting Problem 98 STS
  56. New 04" 4.6 vs previous 3 less MPG?
  57. Walker Quiet Flow Mufflers?
  58. Hard starting '96 Seville STS - Advice sought
  59. Oil in intake manifold (eek!?)
  60. Birds nest under my intake. 94 STS
  61. engine swapp
  62. northstar 4.6 1994 eldorado touring coupe
  63. 94 STS Where is my egr valve!
  64. Safety Recall: Aurora 4.0 - Fuel rail leaks
  65. 2000 Deville Stalls when idleing in drive
  66. 4.6 northstar engine
  67. Cases resealed and new style pistons?
  68. horrible surging
  69. AC blower keeps cutting off
  70. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  71. 97 Y NorthStar backfire
  72. abs/tcs fuse
  73. 93 STS with 4.6 sounds runs like crap, dies constantly!
  74. Dropping cradle - where's the other wiring?
  75. Trans too full!!!96 eldo
  76. Whats this all about???
  77. Is adding too much oil bad?
  78. More Power *grunt*!!!!
  79. What's wrong with my ABS
  80. fuel pump 96 eldo
  81. Aurora Recall (Fuel Rail)
  82. possibility of turbocharging a 94
  83. Whats the correct way to remove Trans ???
  84. timesert vs. helicoil
  85. 96 eldo ,problems abound
  86. Difference between 275 & 300 HP from # on Valve/cam Cover
  87. Resetting "low refridgerant" code??
  88. If you can get a filter from the dealer
  89. 2 codes
  90. What does the 97 STS Run?
  91. Need northstar balancer install tools.
  92. Long cranking, poor start
  93. 1996 Deville PCM 0717
  94. Case halves repair at 100,000 miles?
  95. Can't track down these error codes
  96. Engine Tick after oil change - very concerned
  97. F/S 2000 Northstar engine
  98. Jury rigged solution
  99. anybody watch TLC Rides yesterday?
  100. Help! Theft System Problem - Can't Start My 97 Concours
  101. A/C Question
  102. Bad Smog result
  103. 4.9 better than Northstar?
  104. Two Error Codes
  105. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  106. Northstar Intake manifold
  107. 4.0 cam swap/exhaust size
  108. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  109. Can someone tell me what GM PN's 1052080 & 12345382 are?
  110. OK Here Comes The Problems before summer.
  111. not so, everyday cadillac problems
  112. need help Removing Harmonic Balancer
  113. Very low refridgerant?? Please advise.
  114. Coolant Problem??
  115. Click noise when AC is on?
  116. how do i remove the...
  117. bottom pulley wabbles
  118. BCM causing rough idle?
  119. Water Pump Drive Pulley
  120. 98 SLS Trans/mounts Questions
  121. So how many people have had overheating/bad head gasket problems?
  122. Car Rides Horribly!
  123. PO85 Fix
  124. NEW exhaust idea...
  125. Northstar vs 4.9
  126. 4T80e questions
  127. check engine light
  128. Rough Idle
  129. More oil consumption
  130. Is it stupid to put in a new engine?????
  131. Advise on De Ville 97
  132. Oil filter
  133. Service Manuals
  134. Transmission Valve (or what the dealer told me)
  135. wierd idle
  136. Miracle fuel additive stopped noise and oil consumption
  137. 95 eldorado oil questions
  138. 95 Harness --> 93 Block/sensors?
  139. Kit Car w/Northstar, Engine VIN codes
  140. EGR Valve and Throttle Body
  141. Heater core?
  142. sticky gas pedal/rough idling/accelerating
  143. Head Bolts????
  144. OEM Liquid Sealant at Case Half Seal?
  145. Throttle Body, Rough Idle
  146. 97 air box mod?
  147. throttle body
  148. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  149. How good is the 4.6L N*
  150. Seville ECM Codes
  151. Trouble Code on '96 Eldorado
  152. tranny probs need help
  153. Unidentified noise in front driver side wheel on a hard right
  154. spark plug gap?
  155. need timesert kit for my 94 n*
  156. 1993 Northstar engine knock
  157. Code IRC B1771
  158. Excessive Crank Time - Advice Needed
  159. Cost Efficient Mods for '98 STS?
  160. Pls help! How much $ should it cost to repair.....
  161. trouble code retrival
  162. Iridium spark plugs
  163. Sedan Deville Diag Codes: How to interpret?
  164. Boosted caddys
  165. 95 sts,pcm?
  166. Northstar Mechanic
  167. 96 ETC code problems
  168. Codes
  169. Help with Timing Chain Removal
  170. help me with my ....
  171. It just quits (dies) restarts fine.
  172. fuel economy
  173. radiator with holes
  174. supercharged caddy?
  175. A few questions 2
  176. A little more Fuel or air needed.
  177. Is there anywhere to get the specs for a 4.6L Northstar
  178. Brake Fluid Flush
  179. GM part no. for timesert inserts?
  180. God ! please help me before my caddy kills me..
  181. 2000+ NorthStar modified to fit 1994 = success
  182. Lots O'Codes HELP!!!
  183. Coolant Change
  184. cruise control not working properly!
  185. Need help with codes
  186. i smell coolant, is my water pump bad?
  187. Crank micropolishing/where to buy parts?
  188. New Lights
  189. O2 sensor
  190. 95 eldorado Northstar over heats
  191. What to do, what to do...
  192. Main Bearing Replacement?
  193. Rear Main Seal Installer
  194. Looking for a few answers
  195. Help!!!
  196. 94 Seville
  197. My 1996 Sedan Deville won't go over 40 mph?
  198. Northstar and CHRFAB article
  199. 94 eldo compression test
  200. Ignition Wires
  201. Ran my STS again
  202. how long....
  203. 1994 Deville oil pan gasket leak
  204. Leaky oil pan gasket on 94 N* eldo
  205. Service Ride Control and traction control
  206. Some initial worries for 94 eldo tc
  207. some problems
  208. computer readout !!!
  209. Thottle Body
  210. Where to find a Northstar engine
  211. Rough Idel
  212. My 99 STS Overheated
  213. Engine Mounts
  214. oil pan gasket
  215. 94 Deville Concourse Billowing White Smoke
  216. cheap perfomance stuff...
  217. Coolant smell from heater; how screwed am I?
  218. Changing the fuel filter
  219. How to do a tuneup on a North*
  220. '96 SLS: IPC Option C problem
  221. Northstar Oil Usage
  222. Buzzing from turn signal
  223. Engine Data Analysis help
  224. 94 eldorado W/coolant in oil
  225. Growe3, Engine Removal Questions
  226. My .02 on Carbon
  227. N* plugs & wires: DIY or leave it for the pros?
  228. MAP sensor
  229. Lucus Products? Fuel Injector Cleaner
  230. Need Northstar Advic
  231. questions before installing new idle speed motor
  232. 94' Sls Pcm
  233. my first mod
  234. coolant leak - is this a bad fix?
  235. 96 Eldorado Oil leak
  236. Northstar dimensions
  237. Mechanic needs help, NS killing ICM
  238. Just told driveshaft is shot. What should I do?
  239. Timesert kit FS! $130 Shipped!
  240. Is my mechanic pulling a 'fast one'?
  241. Sluggish when driving
  242. 1998 Cai??
  243. Error Codes, Diagnostic Mode, RKE Programming, Owners Manuals, General Info
  244. Error Codes and Diagnostic Mode Explained
  245. Head bolt retorque method recommendation needed
  246. Is New Exhaust Hurting MPG?
  247. 1998 STS A/C Problems
  248. traction control sucks!
  249. tranny troubles in Montana
  250. flashing number on display