: Northstar Engines and System Technical Discussion



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  1. 95 TPS replace
  2. 93 sts fuel filter
  3. Engine Stall
  4. Can 'sticky' EGR cause misfire or similar?
  5. head gasket mileage
  6. Cadillac Dealerships
  7. dexcool flush
  8. 93 sts rough idle and fluttering under acceleration
  9. wanna see performance then mayb you wanna watch this
  10. cam specs for a 1995 sts
  11. Chance of Fire ??
  12. +++++Looking for a "Time-Sert" tool set+++++
  13. +++++Looking for a "Time-Sert" tool set+++++
  14. 97 STS overheating
  15. water pump
  16. oil change and coolant change this friday
  17. 97 SLS misfiring... ?
  18. Mystery Belt (Simple Question)
  19. 95 Aurora OBD I or OBD II
  20. Normal Temp Readings
  21. Northstar for marine use?
  22. 92 Eldo OBD Code help
  23. kick down
  24. WOT in a Aurora 4.0
  25. Low Oil Pressure
  26. When buying a Northstar powered car....
  27. Oil OIl Everywhere Not a drop to spare
  28. Overheating 95 Seville Sls
  29. Rough idle at start-up
  30. Northstar low oil pressure alarm
  31. Nothstar fairytails
  32. rough idling at lights
  33. Anyone know what "P1320 - IC 4X Reference Circuit Intermittent" means?
  34. Codes p0174, b2102, u1064
  35. Prestone EG coolant "new formula"? for 95 SLS N*
  36. Elusive overheating problem solved/excess oil found
  37. NorthStar Head Bolts
  38. 4.6L Parts Supplier and Availability Question
  39. Torque Convertor removal, problem (96 4.6L)
  40. 4.6 Northstar Time-sert headbolt hole repair kit
  41. My 94 seville idles and runs terrible. I've done everything!
  42. oil consumption cured
  43. How often do I clean the throttle body?
  44. 94 A/C Problem
  45. Flushing radiator 98 deville
  46. Help with codes for an 02 Deville....
  47. 95 Eldo Idle/Acceleration????
  48. I'm sure this has been asked
  49. 1997 stalling problem
  50. 10% Ethanol comes to Northeast U.S.
  51. So I've been using 5W30...
  52. My tranny is FUBAR!
  53. Northstart - Blown Head / Headgasket?
  54. HOW TO: Test/Change TPS (99 STS)
  55. Rebuilt Northstar, No Codes, Poor MPG
  56. 4T80E Torque Converter Removal
  57. 97 ETC Complete Exhaust
  58. help with new car
  59. Fuel mileage (Holy cow!!!)
  60. Radiator Sealant
  61. 2000-2004 crank sensors
  62. Transmission squeak?
  63. Missing 9 HP
  64. How good is K&N filters... really?
  65. Leaking anti-freeze poss waterpump area
  66. Timeserts
  67. L37 gear shifts at what speeds?
  68. Rough cold idle...
  69. help in determing this motor
  70. Is there any interest in 93-95 bored throttle bodies?
  71. Temp gauge issue (Question 2)
  72. Fuel gauge issue (Question 1)
  73. Coolant boiling out of overflow
  74. upgrades...K+N =BAD???
  75. Well im alive...
  76. 1999 deville North** lost mileage
  77. Actual N* engine swaps
  78. Coolant Leak
  79. Just bought my first Cadillac-Has green coolant
  80. Any increase MPG tips?
  81. why ios engine running hotter than before
  82. where is the thermostat located in 2003 deville
  83. how to change coolant in 2003 deville
  84. Head Gasket Going
  85. difference between 275 and 300hp N*?
  86. 96-98 Intake parts
  87. Why is the Northstar "better" than the Intech?
  88. Post 2000 N*?
  89. Motor Mount Question
  90. A/C Question 1994 STS
  91. real fast idle
  92. So I Put My Sled On The Dyno Today..
  93. N* Supercharger and Turbo Systems!?!
  94. 93 N* AC bypass belt?
  95. How come N* isn't used in more vehicles?
  96. Switched to Mobil-1 and oil consumption dropped
  97. 2000 deville dts (Engine runs rough when 1st started)
  98. 2 mufflers for cosmetics or performance?
  99. Northstar upgrades?
  100. How difficult is this?
  101. It won't fire!!!!
  102. Northstar stands alone?
  103. Engine on or off during On Board Diagnostics?
  104. timing pics, homemade locating pins, please look
  105. HELP! Need part number........
  106. AC Recharging Help
  107. About those electric superchargers...
  108. Possibly the best sounding N*?
  109. $660 tune up for 95 STS??!!
  110. Engine Temp. Sensor
  111. When do I replace the AC Compressor
  112. 94 SLS 4.6l, code P071
  113. 130mph??
  114. oil filter adapter
  115. 94 to 97 Northstar interchange question
  116. Bad batch of DELCO PLATINUM 41-950 SPARK PLUGS
  117. How long should plugs/wires last?
  118. Easy question - which is right and which is left?
  119. Tell me how to do a WOT.
  120. How did this guy do burnouts?
  121. 95 Eldorado occasional starting problem.
  122. Coolant change Air purging?
  123. two torque sequences?
  124. mystery oil leak
  125. Still Can't Get The Front Valve Cover Off!!!
  126. Ignition System Problems
  127. This sounds dumb but I'm gonna ask anyway - air intake question
  128. A/C recharge
  129. API grades
  130. Engine Difference between 97' & 99' STS?
  131. part# for speedy sleeve
  132. Post Head gasket job (need Veteran rebuilders advise)
  133. 94 concours acting up..
  134. Trans Question 01 DTS
  135. Engine Error Codes...Please Help
  136. 4.6 L NorthStar Engine Design Questions
  137. multi miss fire multi codes 1996 dev
  138. Have a big ?
  139. What does it all mean?
  140. Metal flakes in engine oil
  141. latest lower end seal job procedure
  142. OBDII Tuner software for Northstar.
  143. Poor gas mileage in aurora 4.0
  144. Northstar Head Gasket, which side, which jug is more common
  145. Code P1415 help?
  146. need new O2s
  147. 2002 Deville transmission
  148. Wanted:1999 4.6 NorthStar leak-down values
  149. MAP Sensor relocation
  150. Can someone explain HOW my injectors went bad?
  151. Bad Mileage Not Fpr
  152. 1999 Cadillac STS Exhaust Mufflers
  153. 4t80e production changes 95-9
  154. Manifolds are melting my car
  155. Check Atf
  156. Putting Northstar on an Engine Stand
  157. Headgasket job +++?
  158. northstar swap into another car, a few questions
  159. 2002 Seville STS Cataylst Issues
  160. Engine Temperatures
  161. Can a 1999 4.6L Northstar "Y" be replaced/exchanged with a "9" of the same year
  162. Amsoil nano-filters (air & oil)
  163. DELCO PLATINUM #41-950 SPARK PLUGS from eBay
  164. 93 Water Pump Confusion
  165. How to check for bad ignition coil?
  166. 94 Eldorado surge in engine and 4 codes
  167. Questions On Crank Shafts
  168. weird start problem that occured
  169. northstar head switching
  170. Northstar 4.6 Interchange and Swapping
  171. Car Farts After WOT
  172. 1999 Northstar engine 85K Miles, How can one tell if is good
  173. 03 Seville Steering Adjustments? ? ?
  174. On My 3 Rear Main Seal
  175. 96 sts crankshaft position sensors
  176. any tranny experts out there?
  177. Fpr For $141.08
  178. Water pump
  179. Rwd N*
  180. Coolant Drain
  181. Coolant Leak 98 Deville
  182. so any chance of an AFC
  183. AC Compressor bypass
  184. 3.5L Shortstar Ignition
  185. Sound
  186. Northstar reliability...
  187. Name That Part
  188. Post headgasket job, one loose end left.
  189. Need re-assembly advise!
  190. Minor starting problem
  191. does it work? (hyper lube)
  192. 96 cadillac deville code after code?!?
  193. Transmission Durability?
  194. Shaky Tachometer at High RPM
  195. 1996 Seville STS Crank Sensors
  196. What other cars use the same style injectors?
  197. Adding Freon
  198. Lost power steering fluid rapidly. Is there a hose?
  199. Northstar engine rebuilders or performance builders in SoCal?
  200. 95 Northstar Coolant leak
  201. EXP ID Codes
  202. Looking for N*mech in northern RI
  203. 93 Eldorado T.C ignition issues
  204. voltage drops when car in drive
  205. after a&b solenoid
  206. Experts please help
  207. 1994 Cadillac Sevile STS thumping into fourth/overdrive
  208. know it all mechanic
  209. Well fellas, I think its really time....
  210. Northstar Head Gasket Issue
  211. timesert kit - for sale on ebay
  212. Strange rattling
  213. Northstar performance parts
  214. Procedure for Coolant flush
  215. Dynomax - Long life?
  216. Running Functional Test on my 94 Deville Concours.
  217. 94 northstar swap
  218. Airbox Computer?
  219. ICM Replacement
  220. Cranks, but won't start
  221. 96 deville antifreeze coming out exhaust
  222. Its Getting Hot Inside
  223. STS fuel Injection problem NEED HELP
  224. I think I'm missing a few ponies!
  225. 99 Deville Hesitating???
  226. Eliminating the exhaust crossover??
  227. Po138???
  228. Front Valve Cover Removal
  229. You guys read this stuff????
  230. camshaft swap "9" motor to "Y" motor
  231. What is TSB 99-06-04-053?
  232. 94 cadillac concours
  233. Can anyone tell me what these compression numbers mean?
  234. H Gasket Job Ballpark Price Needed for Parts
  235. Heater core replacement, help!
  236. Ah, darn... My 94 Eldorado Is having problems.
  237. Anyone know a reputable transmission shop in Orlando?
  238. Lifter?valve noise
  239. 93 Northstar dies out at idle
  240. Time Sert Kit Needed
  241. Engine Replacement
  242. Broken Head Bolt (small type)
  243. P0741 - TCC System Stuck Off...Now What??
  244. homemade locating dowels - a possibility?
  245. Rear Valve Cover Leak!!
  246. Going from a 4.0 to a 4.6
  247. how many miles on your N*?
  248. Crank Position Sensor Replace Quick Question...
  249. 98 STS code P0404 (and P0300)
  250. Not Nearly As Hard As I Thought