: Northstar Engines and System Technical Discussion



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  1. A/C Condensor removal ...
  2. supercharger on my eldo
  3. My problem
  4. modular fuel rail?
  5. HELP Car not starting!
  6. Vote for CTS-V NOW
  7. Northstar idle
  8. Is my A/C compressor toast?
  9. Performance Chip!!!
  10. A/C Compressor Clutch
  11. coolant change procedure
  12. $4500 to replace head gasket...
  13. 94 concourse running rough
  14. 94 coolant leak
  15. Engine Out Bottom or Top?
  16. Water Pumps
  17. p076, transmission pressure solenoid help
  18. Transmission pan and Intake Manifold cover
  19. No TCC lock-up
  20. Trans. going out?
  21. Northstar worries
  22. dloch - &others swapping intakes...
  23. Bonneville GXP owners FYI
  24. bbob- help!
  25. Low oil pressure?
  26. 2x4s - raising the intake manifold
  27. Bbob
  28. I figured it out!!!...Almost..:(
  29. Northstar error codes, OBD1 and OBD2
  30. after market chip up date?
  31. I think I'm cross-eyed
  32. Code T061 What Is It? How To Diag?
  33. N* cylinder heads question, Bbob
  34. finally got a code help help
  35. Norstar Leaking Enginer ...............CURE !
  36. 1995 eldorado northstar
  37. high idle
  38. Any word on the S/C project?
  39. 7 seconds before start.,
  40. Started removing the northstar
  41. Coolant Temp
  42. does a Northstar have lifters-how to replace
  43. 4.6 Northstar Engine mod question.
  44. All kinds of noises
  45. I Think I Threw a Rod
  46. 2000 Eldorado using oil???
  47. Diagnostic codes
  48. Northstar aftermarket and tuneability questions
  49. Diesel oil in gasoline engines...BBob, opinion?
  50. Lawrence Look
  51. what is wrong my engine or converter
  52. Bbob Look
  53. 93 Eldo cuts out on accel and shorts in Radio
  54. Seville not running right
  55. Alternating Types of OIL
  56. 96 Eldo jerking
  57. Head torque sequence
  58. Tool Hunt
  59. Tire Recommendation For 2000 Deville
  60. Have Questions About An Eldorado
  61. Swapping heads 94 -> 96
  62. Trans or Oil Cooler ?
  63. Oil leak is from pan
  64. me=moron
  65. Different Oil for Leaky Seals?
  66. Head vs. intake manifold gasket/overheating
  67. 98 STS spewed coolant...
  68. n*= @#$%^&*(
  69. 97 concours steering
  70. change trans fluid?
  71. HELP!!! my eldorados crazy.
  72. Head Work
  73. Headgasket/Rod Bearings/Carbon Buildup
  74. Fuel Filter Location?
  75. help 2000 deville servive engine light
  76. Coolant system seal tabs
  77. Emission Code E013
  78. Northstar timesert kit for sale,$175.00+shipping.
  79. Best oil for my geezer
  80. 93 STS with VSS issues
  81. radiator replacement?
  82. PCV Valve location?
  83. Where is the IAC module?
  84. K&N Filter for STS and Eldorado
  85. 93 4.6 dies at random then restarts
  86. Purge tank cap fiasco
  87. What does it take to swap intake manifolds?
  88. Oxygen Sensors......Need help soon!!!
  89. which hose does the bars leak go.
  90. 97 eld0 etc
  91. engine ID
  92. Interior dimmer location on 03 Deville?
  93. Blown Coolent crossover gasket....$$$$
  94. Missing Bracket or support
  95. Check Coolant Level
  96. 93 Eldo Overheats New Thermostat Didn't help
  97. Where to find tie bars?
  98. What's wrong in these pictures?
  99. 94 Northstar Oil Leak
  100. Northstar 4.0 mods?
  101. Engine Hesitation ?
  102. shift points???
  103. Pcm part number ???
  104. Northstar Engine Facts & Tid Bits
  105. oil filter 96 sts help
  106. Aurora airbox wrapped!
  107. Oil leaking on a 200K miles engine. Is the engine still good?
  108. Corsa Performance
  109. intermittent misfire on #1 cylinder. Help Please.
  110. Rotten Egg smell....
  111. 97 concours hard starting
  112. Bbob-Interesting facts of Northstar engines
  113. Engine stalled and wont restart!!!
  114. Northstar hesitation
  115. '96 Northstar Vs. '97 Northstar
  116. fuel injectors???
  117. Tranny clunk in 98 sls
  118. Head Bolt Torque
  119. Was driving and caddy cut off?
  120. 97 STS and EGR
  121. Oil for Northstar 7.5 or 8.0
  122. Low Refrigerant Msg: 2 or 3 cans?
  123. Northstar head gasket parts.
  124. 94 Concourse Transmission
  125. 97 Eldorado Fuel Pump gone bad?
  126. im new want to know some things
  127. BBob, 2 stroke oil in gas to preserve...
  128. Reprogramming Computer
  129. which plug is right?
  130. bbob - Correct Crank Scraper/Placement
  131. want RWD N*
  132. What does a PCV valve do?
  133. 97 deville- Loud clunk followed by surging....
  134. Rattle in front of engine on first start up? Help!!
  135. Looking for performance items for the Northstar
  136. New revised Head Torque Procedure
  137. Torque Converter Stall for STS
  138. Carbon knock and 1 quart per 1.000 miles
  139. Stumped!! - problem setting cam timing
  140. Cleaned throttle body, lots of gunk...
  141. 94 STS Rough Idle, Jerking in overdrive with no load on moter!
  142. 96 Deville o2 Sensor question
  143. o2 sensor problems
  144. How common are the "Z" speed rated NorthStar's
  145. Diagnostic Code help
  146. Hard Shifting Problem 98 STS
  147. New 04" 4.6 vs previous 3 less MPG?
  148. Walker Quiet Flow Mufflers?
  149. Hard starting '96 Seville STS - Advice sought
  150. Oil in intake manifold (eek!?)
  151. Birds nest under my intake. 94 STS
  152. engine swapp
  153. northstar 4.6 1994 eldorado touring coupe
  154. 94 STS Where is my egr valve!
  155. Safety Recall: Aurora 4.0 - Fuel rail leaks
  156. 2000 Deville Stalls when idleing in drive
  157. 4.6 northstar engine
  158. Cases resealed and new style pistons?
  159. horrible surging
  160. AC blower keeps cutting off
  161. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  162. 97 Y NorthStar backfire
  163. abs/tcs fuse
  164. 93 STS with 4.6 sounds runs like crap, dies constantly!
  165. Dropping cradle - where's the other wiring?
  166. Trans too full!!!96 eldo
  167. Whats this all about???
  168. Is adding too much oil bad?
  169. More Power *grunt*!!!!
  170. What's wrong with my ABS
  171. fuel pump 96 eldo
  172. Aurora Recall (Fuel Rail)
  173. possibility of turbocharging a 94
  174. Whats the correct way to remove Trans ???
  175. timesert vs. helicoil
  176. 96 eldo ,problems abound
  177. Difference between 275 & 300 HP from # on Valve/cam Cover
  178. Resetting "low refridgerant" code??
  179. If you can get a filter from the dealer
  180. 2 codes
  181. What does the 97 STS Run?
  182. Need northstar balancer install tools.
  183. Long cranking, poor start
  184. 1996 Deville PCM 0717
  185. Case halves repair at 100,000 miles?
  186. Can't track down these error codes
  187. Engine Tick after oil change - very concerned
  188. F/S 2000 Northstar engine
  189. Jury rigged solution
  190. anybody watch TLC Rides yesterday?
  191. Help! Theft System Problem - Can't Start My 97 Concours
  192. A/C Question
  193. Bad Smog result
  194. 4.9 better than Northstar?
  195. Two Error Codes
  196. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  197. Northstar Intake manifold
  198. 4.0 cam swap/exhaust size
  199. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  200. Can someone tell me what GM PN's 1052080 & 12345382 are?
  201. OK Here Comes The Problems before summer.
  202. not so, everyday cadillac problems
  203. need help Removing Harmonic Balancer
  204. Very low refridgerant?? Please advise.
  205. Coolant Problem??
  206. Click noise when AC is on?
  207. how do i remove the...
  208. bottom pulley wabbles
  209. BCM causing rough idle?
  210. Water Pump Drive Pulley
  211. 98 SLS Trans/mounts Questions
  212. So how many people have had overheating/bad head gasket problems?
  213. Car Rides Horribly!
  214. PO85 Fix
  215. NEW exhaust idea...
  216. Northstar vs 4.9
  217. 4T80e questions
  218. check engine light
  219. Rough Idle
  220. More oil consumption
  221. Is it stupid to put in a new engine?????
  222. Advise on De Ville 97
  223. Oil filter
  224. Service Manuals
  225. Transmission Valve (or what the dealer told me)
  226. wierd idle
  227. Miracle fuel additive stopped noise and oil consumption
  228. 95 eldorado oil questions
  229. 95 Harness --> 93 Block/sensors?
  230. Kit Car w/Northstar, Engine VIN codes
  231. EGR Valve and Throttle Body
  232. Heater core?
  233. sticky gas pedal/rough idling/accelerating
  234. Head Bolts????
  235. OEM Liquid Sealant at Case Half Seal?
  236. Throttle Body, Rough Idle
  237. 97 air box mod?
  238. throttle body
  239. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  240. How good is the 4.6L N*
  241. Seville ECM Codes
  242. Trouble Code on '96 Eldorado
  243. tranny probs need help
  244. Unidentified noise in front driver side wheel on a hard right
  245. spark plug gap?
  246. need timesert kit for my 94 n*
  247. 1993 Northstar engine knock
  248. Code IRC B1771
  249. Excessive Crank Time - Advice Needed
  250. Cost Efficient Mods for '98 STS?