: Northstar Engines and System Technical Discussion



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  1. ISC Adjustment Procedure for OBD1 How To
  2. Need Part Number 94 N* INTAKE MANIFOLD
  3. My mechanic wants to put in a new radiator, should I let him?
  4. 94 caddy coolant leak
  5. Crossover measurement
  6. northstar in a fiero
  7. Oil Additive Question
  8. Overheating and low oil pressure
  9. How about no muffler??
  10. Engine rough running misses no power 95 Eldorado 4.6
  11. Borla vs Corsa and others
  12. starter noise, doesn't start
  13. oil pan gasket change, is this quote correct!?
  14. Mixing Coolants.
  15. '95 Concours leaking oil between engine and trans
  16. Time serts for sale
  17. Northstar changes year to year
  18. no power with Traction Control off
  19. Oil Change question.. price???
  20. A/C and vacuum
  21. 10 best engines, N* not 2 b found
  22. 93 runs rough when hot.
  23. Spark Plug Wire Placement
  24. Adjust TCS Sensitivity?
  25. "The power to set it free"
  26. Oil Analysis
  27. Tried Blue Devil?
  28. Overheating HELP!!!
  29. Alternator Removal??
  30. MAF screen missing
  31. Washed My North*
  32. Battery No Charge
  33. PCM programming question
  34. 95 TPS replace
  35. 93 sts fuel filter
  36. Engine Stall
  37. Can 'sticky' EGR cause misfire or similar?
  38. head gasket mileage
  39. Cadillac Dealerships
  40. dexcool flush
  41. 93 sts rough idle and fluttering under acceleration
  42. wanna see performance then mayb you wanna watch this
  43. cam specs for a 1995 sts
  44. Chance of Fire ??
  45. +++++Looking for a "Time-Sert" tool set+++++
  46. +++++Looking for a "Time-Sert" tool set+++++
  47. 97 STS overheating
  48. water pump
  49. oil change and coolant change this friday
  50. 97 SLS misfiring... ?
  51. Mystery Belt (Simple Question)
  52. 95 Aurora OBD I or OBD II
  53. Normal Temp Readings
  54. Northstar for marine use?
  55. 92 Eldo OBD Code help
  56. kick down
  57. WOT in a Aurora 4.0
  58. Low Oil Pressure
  59. When buying a Northstar powered car....
  60. Oil OIl Everywhere Not a drop to spare
  61. Overheating 95 Seville Sls
  62. Rough idle at start-up
  63. Northstar low oil pressure alarm
  64. Nothstar fairytails
  65. rough idling at lights
  66. Anyone know what "P1320 - IC 4X Reference Circuit Intermittent" means?
  67. Codes p0174, b2102, u1064
  68. Prestone EG coolant "new formula"? for 95 SLS N*
  69. Elusive overheating problem solved/excess oil found
  70. NorthStar Head Bolts
  71. 4.6L Parts Supplier and Availability Question
  72. Torque Convertor removal, problem (96 4.6L)
  73. 4.6 Northstar Time-sert headbolt hole repair kit
  74. My 94 seville idles and runs terrible. I've done everything!
  75. oil consumption cured
  76. How often do I clean the throttle body?
  77. 94 A/C Problem
  78. Flushing radiator 98 deville
  79. Help with codes for an 02 Deville....
  80. 95 Eldo Idle/Acceleration????
  81. I'm sure this has been asked
  82. 1997 stalling problem
  83. 10% Ethanol comes to Northeast U.S.
  84. So I've been using 5W30...
  85. My tranny is FUBAR!
  86. Northstart - Blown Head / Headgasket?
  87. HOW TO: Test/Change TPS (99 STS)
  88. Rebuilt Northstar, No Codes, Poor MPG
  89. 4T80E Torque Converter Removal
  90. 97 ETC Complete Exhaust
  91. help with new car
  92. Fuel mileage (Holy cow!!!)
  93. Radiator Sealant
  94. 2000-2004 crank sensors
  95. Transmission squeak?
  96. Missing 9 HP
  97. How good is K&N filters... really?
  98. Leaking anti-freeze poss waterpump area
  99. Timeserts
  100. L37 gear shifts at what speeds?
  101. Rough cold idle...
  102. help in determing this motor
  103. Is there any interest in 93-95 bored throttle bodies?
  104. Temp gauge issue (Question 2)
  105. Fuel gauge issue (Question 1)
  106. Coolant boiling out of overflow
  107. upgrades...K+N =BAD???
  108. Well im alive...
  109. 1999 deville North** lost mileage
  110. Actual N* engine swaps
  111. Coolant Leak
  112. Just bought my first Cadillac-Has green coolant
  113. Any increase MPG tips?
  114. why ios engine running hotter than before
  115. where is the thermostat located in 2003 deville
  116. how to change coolant in 2003 deville
  117. Head Gasket Going
  118. difference between 275 and 300hp N*?
  119. 96-98 Intake parts
  120. Why is the Northstar "better" than the Intech?
  121. Post 2000 N*?
  122. Motor Mount Question
  123. A/C Question 1994 STS
  124. real fast idle
  125. So I Put My Sled On The Dyno Today..
  126. N* Supercharger and Turbo Systems!?!
  127. 93 N* AC bypass belt?
  128. How come N* isn't used in more vehicles?
  129. Switched to Mobil-1 and oil consumption dropped
  130. 2000 deville dts (Engine runs rough when 1st started)
  131. 2 mufflers for cosmetics or performance?
  132. Northstar upgrades?
  133. How difficult is this?
  134. It won't fire!!!!
  135. Northstar stands alone?
  136. Engine on or off during On Board Diagnostics?
  137. timing pics, homemade locating pins, please look
  138. HELP! Need part number........
  139. AC Recharging Help
  140. About those electric superchargers...
  141. Possibly the best sounding N*?
  142. $660 tune up for 95 STS??!!
  143. Engine Temp. Sensor
  144. When do I replace the AC Compressor
  145. 94 SLS 4.6l, code P071
  146. 130mph??
  147. oil filter adapter
  148. 94 to 97 Northstar interchange question
  149. Bad batch of DELCO PLATINUM 41-950 SPARK PLUGS
  150. How long should plugs/wires last?
  151. Easy question - which is right and which is left?
  152. Tell me how to do a WOT.
  153. How did this guy do burnouts?
  154. 95 Eldorado occasional starting problem.
  155. Coolant change Air purging?
  156. two torque sequences?
  157. mystery oil leak
  158. Still Can't Get The Front Valve Cover Off!!!
  159. Ignition System Problems
  160. This sounds dumb but I'm gonna ask anyway - air intake question
  161. A/C recharge
  162. API grades
  163. Engine Difference between 97' & 99' STS?
  164. part# for speedy sleeve
  165. Post Head gasket job (need Veteran rebuilders advise)
  166. 94 concours acting up..
  167. Trans Question 01 DTS
  168. Engine Error Codes...Please Help
  169. 4.6 L NorthStar Engine Design Questions
  170. multi miss fire multi codes 1996 dev
  171. Have a big ?
  172. What does it all mean?
  173. Metal flakes in engine oil
  174. latest lower end seal job procedure
  175. OBDII Tuner software for Northstar.
  176. Poor gas mileage in aurora 4.0
  177. Northstar Head Gasket, which side, which jug is more common
  178. Code P1415 help?
  179. need new O2s
  180. 2002 Deville transmission
  181. Wanted:1999 4.6 NorthStar leak-down values
  182. MAP Sensor relocation
  183. Can someone explain HOW my injectors went bad?
  184. Bad Mileage Not Fpr
  185. 1999 Cadillac STS Exhaust Mufflers
  186. 4t80e production changes 95-9
  187. Manifolds are melting my car
  188. Check Atf
  189. Putting Northstar on an Engine Stand
  190. Headgasket job +++?
  191. northstar swap into another car, a few questions
  192. 2002 Seville STS Cataylst Issues
  193. Engine Temperatures
  194. Can a 1999 4.6L Northstar "Y" be replaced/exchanged with a "9" of the same year
  195. Amsoil nano-filters (air & oil)
  196. DELCO PLATINUM #41-950 SPARK PLUGS from eBay
  197. 93 Water Pump Confusion
  198. How to check for bad ignition coil?
  199. 94 Eldorado surge in engine and 4 codes
  200. Questions On Crank Shafts
  201. weird start problem that occured
  202. northstar head switching
  203. Northstar 4.6 Interchange and Swapping
  204. Car Farts After WOT
  205. 1999 Northstar engine 85K Miles, How can one tell if is good
  206. 03 Seville Steering Adjustments? ? ?
  207. On My 3 Rear Main Seal
  208. 96 sts crankshaft position sensors
  209. any tranny experts out there?
  210. Fpr For $141.08
  211. Water pump
  212. Rwd N*
  213. Coolant Drain
  214. Coolant Leak 98 Deville
  215. so any chance of an AFC
  216. AC Compressor bypass
  217. 3.5L Shortstar Ignition
  218. Sound
  219. Northstar reliability...
  220. Name That Part
  221. Post headgasket job, one loose end left.
  222. Need re-assembly advise!
  223. Minor starting problem
  224. does it work? (hyper lube)
  225. 96 cadillac deville code after code?!?
  226. Transmission Durability?
  227. Shaky Tachometer at High RPM
  228. 1996 Seville STS Crank Sensors
  229. What other cars use the same style injectors?
  230. Adding Freon
  231. Lost power steering fluid rapidly. Is there a hose?
  232. Northstar engine rebuilders or performance builders in SoCal?
  233. 95 Northstar Coolant leak
  234. EXP ID Codes
  235. Looking for N*mech in northern RI
  236. 93 Eldorado T.C ignition issues
  237. voltage drops when car in drive
  238. after a&b solenoid
  239. Experts please help
  240. 1994 Cadillac Sevile STS thumping into fourth/overdrive
  241. know it all mechanic
  242. Well fellas, I think its really time....
  243. Northstar Head Gasket Issue
  244. timesert kit - for sale on ebay
  245. Strange rattling
  246. Northstar performance parts
  247. Procedure for Coolant flush
  248. Dynomax - Long life?
  249. Running Functional Test on my 94 Deville Concours.
  250. 94 northstar swap