: Northstar Engines and System Technical Discussion



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  1. '95 Concours leaking oil between engine and trans
  2. Time serts for sale
  3. Northstar changes year to year
  4. no power with Traction Control off
  5. Oil Change question.. price???
  6. A/C and vacuum
  7. 10 best engines, N* not 2 b found
  8. 93 runs rough when hot.
  9. Spark Plug Wire Placement
  10. Adjust TCS Sensitivity?
  11. "The power to set it free"
  12. Oil Analysis
  13. Tried Blue Devil?
  14. Overheating HELP!!!
  15. Alternator Removal??
  16. MAF screen missing
  17. Washed My North*
  18. Battery No Charge
  19. PCM programming question
  20. 95 TPS replace
  21. 93 sts fuel filter
  22. Engine Stall
  23. Can 'sticky' EGR cause misfire or similar?
  24. head gasket mileage
  25. Cadillac Dealerships
  26. dexcool flush
  27. 93 sts rough idle and fluttering under acceleration
  28. wanna see performance then mayb you wanna watch this
  29. cam specs for a 1995 sts
  30. Chance of Fire ??
  31. +++++Looking for a "Time-Sert" tool set+++++
  32. +++++Looking for a "Time-Sert" tool set+++++
  33. 97 STS overheating
  34. water pump
  35. oil change and coolant change this friday
  36. 97 SLS misfiring... ?
  37. Mystery Belt (Simple Question)
  38. 95 Aurora OBD I or OBD II
  39. Normal Temp Readings
  40. Northstar for marine use?
  41. 92 Eldo OBD Code help
  42. kick down
  43. WOT in a Aurora 4.0
  44. Low Oil Pressure
  45. When buying a Northstar powered car....
  46. Oil OIl Everywhere Not a drop to spare
  47. Overheating 95 Seville Sls
  48. Rough idle at start-up
  49. Northstar low oil pressure alarm
  50. Nothstar fairytails
  51. rough idling at lights
  52. Anyone know what "P1320 - IC 4X Reference Circuit Intermittent" means?
  53. Codes p0174, b2102, u1064
  54. Prestone EG coolant "new formula"? for 95 SLS N*
  55. Elusive overheating problem solved/excess oil found
  56. NorthStar Head Bolts
  57. 4.6L Parts Supplier and Availability Question
  58. Torque Convertor removal, problem (96 4.6L)
  59. 4.6 Northstar Time-sert headbolt hole repair kit
  60. My 94 seville idles and runs terrible. I've done everything!
  61. oil consumption cured
  62. How often do I clean the throttle body?
  63. 94 A/C Problem
  64. Flushing radiator 98 deville
  65. Help with codes for an 02 Deville....
  66. 95 Eldo Idle/Acceleration????
  67. I'm sure this has been asked
  68. 1997 stalling problem
  69. 10% Ethanol comes to Northeast U.S.
  70. So I've been using 5W30...
  71. My tranny is FUBAR!
  72. Northstart - Blown Head / Headgasket?
  73. HOW TO: Test/Change TPS (99 STS)
  74. Rebuilt Northstar, No Codes, Poor MPG
  75. 4T80E Torque Converter Removal
  76. 97 ETC Complete Exhaust
  77. help with new car
  78. Fuel mileage (Holy cow!!!)
  79. Radiator Sealant
  80. 2000-2004 crank sensors
  81. Transmission squeak?
  82. Missing 9 HP
  83. How good is K&N filters... really?
  84. Leaking anti-freeze poss waterpump area
  85. Timeserts
  86. L37 gear shifts at what speeds?
  87. Rough cold idle...
  88. help in determing this motor
  89. Is there any interest in 93-95 bored throttle bodies?
  90. Temp gauge issue (Question 2)
  91. Fuel gauge issue (Question 1)
  92. Coolant boiling out of overflow
  93. upgrades...K+N =BAD???
  94. Well im alive...
  95. 1999 deville North** lost mileage
  96. Actual N* engine swaps
  97. Coolant Leak
  98. Just bought my first Cadillac-Has green coolant
  99. Any increase MPG tips?
  100. why ios engine running hotter than before
  101. where is the thermostat located in 2003 deville
  102. how to change coolant in 2003 deville
  103. Head Gasket Going
  104. difference between 275 and 300hp N*?
  105. 96-98 Intake parts
  106. Why is the Northstar "better" than the Intech?
  107. Post 2000 N*?
  108. Motor Mount Question
  109. A/C Question 1994 STS
  110. real fast idle
  111. So I Put My Sled On The Dyno Today..
  112. N* Supercharger and Turbo Systems!?!
  113. 93 N* AC bypass belt?
  114. How come N* isn't used in more vehicles?
  115. Switched to Mobil-1 and oil consumption dropped
  116. 2000 deville dts (Engine runs rough when 1st started)
  117. 2 mufflers for cosmetics or performance?
  118. Northstar upgrades?
  119. How difficult is this?
  120. It won't fire!!!!
  121. Northstar stands alone?
  122. Engine on or off during On Board Diagnostics?
  123. timing pics, homemade locating pins, please look
  124. HELP! Need part number........
  125. AC Recharging Help
  126. About those electric superchargers...
  127. Possibly the best sounding N*?
  128. $660 tune up for 95 STS??!!
  129. Engine Temp. Sensor
  130. When do I replace the AC Compressor
  131. 94 SLS 4.6l, code P071
  132. 130mph??
  133. oil filter adapter
  134. 94 to 97 Northstar interchange question
  135. Bad batch of DELCO PLATINUM 41-950 SPARK PLUGS
  136. How long should plugs/wires last?
  137. Easy question - which is right and which is left?
  138. Tell me how to do a WOT.
  139. How did this guy do burnouts?
  140. 95 Eldorado occasional starting problem.
  141. Coolant change Air purging?
  142. two torque sequences?
  143. mystery oil leak
  144. Still Can't Get The Front Valve Cover Off!!!
  145. Ignition System Problems
  146. This sounds dumb but I'm gonna ask anyway - air intake question
  147. A/C recharge
  148. API grades
  149. Engine Difference between 97' & 99' STS?
  150. part# for speedy sleeve
  151. Post Head gasket job (need Veteran rebuilders advise)
  152. 94 concours acting up..
  153. Trans Question 01 DTS
  154. Engine Error Codes...Please Help
  155. 4.6 L NorthStar Engine Design Questions
  156. multi miss fire multi codes 1996 dev
  157. Have a big ?
  158. What does it all mean?
  159. Metal flakes in engine oil
  160. latest lower end seal job procedure
  161. OBDII Tuner software for Northstar.
  162. Poor gas mileage in aurora 4.0
  163. Northstar Head Gasket, which side, which jug is more common
  164. Code P1415 help?
  165. need new O2s
  166. 2002 Deville transmission
  167. Wanted:1999 4.6 NorthStar leak-down values
  168. MAP Sensor relocation
  169. Can someone explain HOW my injectors went bad?
  170. Bad Mileage Not Fpr
  171. 1999 Cadillac STS Exhaust Mufflers
  172. 4t80e production changes 95-9
  173. Manifolds are melting my car
  174. Check Atf
  175. Putting Northstar on an Engine Stand
  176. Headgasket job +++?
  177. northstar swap into another car, a few questions
  178. 2002 Seville STS Cataylst Issues
  179. Engine Temperatures
  180. Can a 1999 4.6L Northstar "Y" be replaced/exchanged with a "9" of the same year
  181. Amsoil nano-filters (air & oil)
  182. DELCO PLATINUM #41-950 SPARK PLUGS from eBay
  183. 93 Water Pump Confusion
  184. How to check for bad ignition coil?
  185. 94 Eldorado surge in engine and 4 codes
  186. Questions On Crank Shafts
  187. weird start problem that occured
  188. northstar head switching
  189. Northstar 4.6 Interchange and Swapping
  190. Car Farts After WOT
  191. 1999 Northstar engine 85K Miles, How can one tell if is good
  192. 03 Seville Steering Adjustments? ? ?
  193. On My 3 Rear Main Seal
  194. 96 sts crankshaft position sensors
  195. any tranny experts out there?
  196. Fpr For $141.08
  197. Water pump
  198. Rwd N*
  199. Coolant Drain
  200. Coolant Leak 98 Deville
  201. so any chance of an AFC
  202. AC Compressor bypass
  203. 3.5L Shortstar Ignition
  204. Sound
  205. Northstar reliability...
  206. Name That Part
  207. Post headgasket job, one loose end left.
  208. Need re-assembly advise!
  209. Minor starting problem
  210. does it work? (hyper lube)
  211. 96 cadillac deville code after code?!?
  212. Transmission Durability?
  213. Shaky Tachometer at High RPM
  214. 1996 Seville STS Crank Sensors
  215. What other cars use the same style injectors?
  216. Adding Freon
  217. Lost power steering fluid rapidly. Is there a hose?
  218. Northstar engine rebuilders or performance builders in SoCal?
  219. 95 Northstar Coolant leak
  220. EXP ID Codes
  221. Looking for N*mech in northern RI
  222. 93 Eldorado T.C ignition issues
  223. voltage drops when car in drive
  224. after a&b solenoid
  225. Experts please help
  226. 1994 Cadillac Sevile STS thumping into fourth/overdrive
  227. know it all mechanic
  228. Well fellas, I think its really time....
  229. Northstar Head Gasket Issue
  230. timesert kit - for sale on ebay
  231. Strange rattling
  232. Northstar performance parts
  233. Procedure for Coolant flush
  234. Dynomax - Long life?
  235. Running Functional Test on my 94 Deville Concours.
  236. 94 northstar swap
  237. Airbox Computer?
  238. ICM Replacement
  239. Cranks, but won't start
  240. 96 deville antifreeze coming out exhaust
  241. Its Getting Hot Inside
  242. STS fuel Injection problem NEED HELP
  243. I think I'm missing a few ponies!
  244. 99 Deville Hesitating???
  245. Eliminating the exhaust crossover??
  246. Po138???
  247. Front Valve Cover Removal
  248. You guys read this stuff????
  249. camshaft swap "9" motor to "Y" motor
  250. What is TSB 99-06-04-053?