: Northstar Engines and System Technical Discussion



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