View Full Version : Northstar Performance and Technical Discussion


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  1. Head Work
  2. Headgasket/Rod Bearings/Carbon Buildup
  3. Fuel Filter Location?
  4. help 2000 deville servive engine light
  5. Coolant system seal tabs
  6. Emission Code E013
  7. Northstar timesert kit for sale,$175.00+shipping.
  8. Best oil for my geezer
  9. 93 STS with VSS issues
  10. radiator replacement?
  11. PCV Valve location?
  12. Where is the IAC module?
  13. K&N Filter for STS and Eldorado
  14. 93 4.6 dies at random then restarts
  15. Purge tank cap fiasco
  16. What does it take to swap intake manifolds?
  17. Oxygen Sensors......Need help soon!!!
  18. which hose does the bars leak go.
  19. 97 eld0 etc
  20. engine ID
  21. Interior dimmer location on 03 Deville?
  22. Blown Coolent crossover gasket....$$$$
  23. Missing Bracket or support
  24. Check Coolant Level
  25. 93 Eldo Overheats New Thermostat Didn't help
  26. Where to find tie bars?
  27. What's wrong in these pictures?
  28. 94 Northstar Oil Leak
  29. Northstar 4.0 mods?
  30. Engine Hesitation ?
  31. shift points???
  32. Pcm part number ???
  33. Northstar Engine Facts & Tid Bits
  34. oil filter 96 sts help
  35. Aurora airbox wrapped!
  36. Oil leaking on a 200K miles engine. Is the engine still good?
  37. Corsa Performance
  38. intermittent misfire on #1 cylinder. Help Please.
  39. Rotten Egg smell....
  40. 97 concours hard starting
  41. Bbob-Interesting facts of Northstar engines
  42. Engine stalled and wont restart!!!
  43. Northstar hesitation
  44. '96 Northstar Vs. '97 Northstar
  45. fuel injectors???
  46. Tranny clunk in 98 sls
  47. Head Bolt Torque
  48. Was driving and caddy cut off?
  49. 97 STS and EGR
  50. Oil for Northstar 7.5 or 8.0
  51. Low Refrigerant Msg: 2 or 3 cans?
  52. Northstar head gasket parts.
  53. 94 Concourse Transmission
  54. 97 Eldorado Fuel Pump gone bad?
  55. im new want to know some things
  56. BBob, 2 stroke oil in gas to preserve...
  57. Reprogramming Computer
  58. which plug is right?
  59. bbob - Correct Crank Scraper/Placement
  60. want RWD N*
  61. dumb question of the week, whats a pcv valve do?
  62. 97 deville- Loud clunk followed by surging....
  63. Rattle in front of engine on first start up? Help!!
  64. Looking for performance items for the Northstar
  65. New revised Head Torque Procedure
  66. Torque Converter Stall for STS
  67. Carbon knock and 1 quart per 1.000 miles
  68. Stumped!! - problem setting cam timing
  69. Cleaned throttle body, lots of gunk...
  70. 94 STS Rough Idle, Jerking in overdrive with no load on moter!
  71. 96 Deville o2 Sensor question
  72. o2 sensor problems
  73. How common are the "Z" speed rated NorthStar's
  74. Diagnostic Code help
  75. Hard Shifting Problem 98 STS
  76. New 04" 4.6 vs previous 3 less MPG?
  77. Walker Quiet Flow Mufflers?
  78. Hard starting '96 Seville STS - Advice sought
  79. Oil in intake manifold (eek!?)
  80. Birds nest under my intake. 94 STS
  81. engine swapp
  82. northstar 4.6 1994 eldorado touring coupe
  83. 94 STS Where is my egr valve!
  84. Safety Recall: Aurora 4.0 - Fuel rail leaks
  85. 2000 Deville Stalls when idleing in drive
  86. 4.6 northstar engine
  87. Cases resealed and new style pistons?
  88. horrible surging
  89. AC blower keeps cutting off
  90. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  91. 97 Y NorthStar backfire
  92. abs/tcs fuse
  93. 93 STS with 4.6 sounds runs like crap, dies constantly!
  94. Dropping cradle - where's the other wiring?
  95. Trans too full!!!96 eldo
  96. Whats this all about???
  97. Is adding too much oil bad?
  98. More Power *grunt*!!!!
  99. What's wrong with my ABS
  100. fuel pump 96 eldo
  101. Aurora Recall (Fuel Rail)
  102. possibility of turbocharging a 94
  103. Whats the correct way to remove Trans ???
  104. timesert vs. helicoil
  105. 96 eldo ,problems abound
  106. Difference between 275 & 300 HP from # on Valve/cam Cover
  107. Resetting "low refridgerant" code??
  108. If you can get a filter from the dealer
  109. 2 codes
  110. What does the 97 STS Run?
  111. Need northstar balancer install tools.
  112. Long cranking, poor start
  113. 1996 Deville PCM 0717
  114. Case halves repair at 100,000 miles?
  115. Can't track down these error codes
  116. Engine Tick after oil change - very concerned
  117. F/S 2000 Northstar engine
  118. Jury rigged solution
  119. anybody watch TLC Rides yesterday?
  120. Help! Theft System Problem - Can't Start My 97 Concours
  121. A/C Question
  122. Bad Smog result
  123. 4.9 better than Northstar?
  124. Two Error Codes
  125. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  126. Northstar Intake manifold
  127. 4.0 cam swap/exhaust size
  128. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  129. Can someone tell me what GM PN's 1052080 & 12345382 are?
  130. OK Here Comes The Problems before summer.
  131. not so, everyday cadillac problems
  132. need help Removing Harmonic Balancer
  133. Very low refridgerant?? Please advise.
  134. Coolant Problem??
  135. Click noise when AC is on?
  136. how do i remove the...
  137. bottom pulley wabbles
  138. BCM causing rough idle?
  139. Water Pump Drive Pulley
  140. 98 SLS Trans/mounts Questions
  141. So how many people have had overheating/bad head gasket problems?
  142. Car Rides Horribly!
  143. PO85 Fix
  144. NEW exhaust idea...
  145. Northstar vs 4.9
  146. 4T80e questions
  147. check engine light
  148. Rough Idle
  149. More oil consumption
  150. Is it stupid to put in a new engine?????
  151. Advise on De Ville 97
  152. Oil filter
  153. Service Manuals
  154. Transmission Valve (or what the dealer told me)
  155. wierd idle
  156. Miracle fuel additive stopped noise and oil consumption
  157. 95 eldorado oil questions
  158. 95 Harness --> 93 Block/sensors?
  159. Kit Car w/Northstar, Engine VIN codes
  160. EGR Valve and Throttle Body
  161. Heater core?
  162. sticky gas pedal/rough idling/accelerating
  163. Head Bolts????
  164. OEM Liquid Sealant at Case Half Seal?
  165. Throttle Body, Rough Idle
  166. 97 air box mod?
  167. throttle body
  168. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  169. How good is the 4.6L N*
  170. Seville ECM Codes
  171. Trouble Code on '96 Eldorado
  172. tranny probs need help
  173. Unidentified noise in front driver side wheel on a hard right
  174. spark plug gap?
  175. need timesert kit for my 94 n*
  176. 1993 Northstar engine knock
  177. Code IRC B1771
  178. Excessive Crank Time - Advice Needed
  179. Cost Efficient Mods for '98 STS?
  180. Pls help! How much $ should it cost to repair.....
  181. trouble code retrival
  182. Iridium spark plugs
  183. Sedan Deville Diag Codes: How to interpret?
  184. Boosted caddys
  185. 95 sts,pcm?
  186. Northstar Mechanic
  187. 96 ETC code problems
  188. Codes
  189. Help with Timing Chain Removal
  190. help me with my ....
  191. It just quits (dies) restarts fine.
  192. fuel economy
  193. radiator with holes
  194. supercharged caddy?
  195. A few questions 2
  196. A little more Fuel or air needed.
  197. Is there anywhere to get the specs for a 4.6L Northstar
  198. Brake Fluid Flush
  199. GM part no. for timesert inserts?
  200. God ! please help me before my caddy kills me..
  201. 2000+ NorthStar modified to fit 1994 = success
  202. Lots O'Codes HELP!!!
  203. Coolant Change
  204. cruise control not working properly!
  205. Need help with codes
  206. i smell coolant, is my water pump bad?
  207. Crank micropolishing/where to buy parts?
  208. New Lights
  209. O2 sensor
  210. 95 eldorado Northstar over heats
  211. What to do, what to do...
  212. Main Bearing Replacement?
  213. Rear Main Seal Installer
  214. Looking for a few answers
  215. Help!!!
  216. 94 Seville
  217. My 1996 Sedan Deville won't go over 40 mph?
  218. Northstar and CHRFAB article
  219. 94 eldo compression test
  220. Ignition Wires
  221. Ran my STS again
  222. how long....
  223. 1994 Deville oil pan gasket leak
  224. Leaky oil pan gasket on 94 N* eldo
  225. Service Ride Control and traction control
  226. Some initial worries for 94 eldo tc
  227. some problems
  228. computer readout !!!
  229. Thottle Body
  230. Where to find a Northstar engine
  231. Rough Idel
  232. My 99 STS Overheated
  233. Engine Mounts
  234. oil pan gasket
  235. 94 Deville Concourse Billowing White Smoke
  236. cheap perfomance stuff...
  237. Coolant smell from heater; how screwed am I?
  238. Changing the fuel filter
  239. How to do a tuneup on a North*
  240. '96 SLS: IPC Option C problem
  241. Northstar Oil Usage
  242. Buzzing from turn signal
  243. Engine Data Analysis help
  244. 94 eldorado W/coolant in oil
  245. Growe3, Engine Removal Questions
  246. My .02 on Carbon
  247. N* plugs & wires: DIY or leave it for the pros?
  248. MAP sensor
  249. Lucus Products? Fuel Injector Cleaner
  250. Need Northstar Advic