: Northstar Engines and System Technical Discussion



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  1. Intakes
  2. 93 sts running rough only when hot
  3. What does "B2118 - Front Vertical Sensor Failed" mean?
  4. Anti-Sieze and Spark Plugs
  5. Intake Manifold questions - chime in!
  6. thermostat for north star
  7. Preparing for coolant change / Double Checking.
  8. 95 Intake Manifold Interchange?
  9. p0741 trouble code
  10. 1996 4.6 L. Rebuild, what should be replaced.
  11. Replacement parts after reman engine
  12. hardest water pump to install
  13. Sticky-Noisy Valve Lifters, What to Do?
  14. ISC Adjustment Procedure for OBD1 How To
  15. Need Part Number 94 N* INTAKE MANIFOLD
  16. My mechanic wants to put in a new radiator, should I let him?
  17. 94 caddy coolant leak
  18. Crossover measurement
  19. northstar in a fiero
  20. Oil Additive Question
  21. Overheating and low oil pressure
  22. How about no muffler??
  23. Engine rough running misses no power 95 Eldorado 4.6
  24. Borla vs Corsa and others
  25. starter noise, doesn't start
  26. oil pan gasket change, is this quote correct!?
  27. Mixing Coolants.
  28. '95 Concours leaking oil between engine and trans
  29. Time serts for sale
  30. Northstar changes year to year
  31. no power with Traction Control off
  32. Oil Change question.. price???
  33. A/C and vacuum
  34. 10 best engines, N* not 2 b found
  35. 93 runs rough when hot.
  36. Spark Plug Wire Placement
  37. Adjust TCS Sensitivity?
  38. "The power to set it free"
  39. Oil Analysis
  40. Tried Blue Devil?
  41. Overheating HELP!!!
  42. Alternator Removal??
  43. MAF screen missing
  44. Washed My North*
  45. Battery No Charge
  46. PCM programming question
  47. 95 TPS replace
  48. 93 sts fuel filter
  49. Engine Stall
  50. Can 'sticky' EGR cause misfire or similar?
  51. head gasket mileage
  52. Cadillac Dealerships
  53. dexcool flush
  54. 93 sts rough idle and fluttering under acceleration
  55. wanna see performance then mayb you wanna watch this
  56. cam specs for a 1995 sts
  57. Chance of Fire ??
  58. +++++Looking for a "Time-Sert" tool set+++++
  59. +++++Looking for a "Time-Sert" tool set+++++
  60. 97 STS overheating
  61. water pump
  62. oil change and coolant change this friday
  63. 97 SLS misfiring... ?
  64. Mystery Belt (Simple Question)
  65. 95 Aurora OBD I or OBD II
  66. Normal Temp Readings
  67. Northstar for marine use?
  68. 92 Eldo OBD Code help
  69. kick down
  70. WOT in a Aurora 4.0
  71. Low Oil Pressure
  72. When buying a Northstar powered car....
  73. Oil OIl Everywhere Not a drop to spare
  74. Overheating 95 Seville Sls
  75. Rough idle at start-up
  76. Northstar low oil pressure alarm
  77. Nothstar fairytails
  78. rough idling at lights
  79. Anyone know what "P1320 - IC 4X Reference Circuit Intermittent" means?
  80. Codes p0174, b2102, u1064
  81. Prestone EG coolant "new formula"? for 95 SLS N*
  82. Elusive overheating problem solved/excess oil found
  83. NorthStar Head Bolts
  84. 4.6L Parts Supplier and Availability Question
  85. Torque Convertor removal, problem (96 4.6L)
  86. 4.6 Northstar Time-sert headbolt hole repair kit
  87. My 94 seville idles and runs terrible. I've done everything!
  88. oil consumption cured
  89. How often do I clean the throttle body?
  90. 94 A/C Problem
  91. Flushing radiator 98 deville
  92. Help with codes for an 02 Deville....
  93. 95 Eldo Idle/Acceleration????
  94. I'm sure this has been asked
  95. 1997 stalling problem
  96. 10% Ethanol comes to Northeast U.S.
  97. So I've been using 5W30...
  98. My tranny is FUBAR!
  99. Northstart - Blown Head / Headgasket?
  100. HOW TO: Test/Change TPS (99 STS)
  101. Rebuilt Northstar, No Codes, Poor MPG
  102. 4T80E Torque Converter Removal
  103. 97 ETC Complete Exhaust
  104. help with new car
  105. Fuel mileage (Holy cow!!!)
  106. Radiator Sealant
  107. 2000-2004 crank sensors
  108. Transmission squeak?
  109. Missing 9 HP
  110. How good is K&N filters... really?
  111. Leaking anti-freeze poss waterpump area
  112. Timeserts
  113. L37 gear shifts at what speeds?
  114. Rough cold idle...
  115. help in determing this motor
  116. Is there any interest in 93-95 bored throttle bodies?
  117. Temp gauge issue (Question 2)
  118. Fuel gauge issue (Question 1)
  119. Coolant boiling out of overflow
  120. upgrades...K+N =BAD???
  121. Well im alive...
  122. 1999 deville North** lost mileage
  123. Actual N* engine swaps
  124. Coolant Leak
  125. Just bought my first Cadillac-Has green coolant
  126. Any increase MPG tips?
  127. why ios engine running hotter than before
  128. where is the thermostat located in 2003 deville
  129. how to change coolant in 2003 deville
  130. Head Gasket Going
  131. difference between 275 and 300hp N*?
  132. 96-98 Intake parts
  133. Why is the Northstar "better" than the Intech?
  134. Post 2000 N*?
  135. Motor Mount Question
  136. A/C Question 1994 STS
  137. real fast idle
  138. So I Put My Sled On The Dyno Today..
  139. N* Supercharger and Turbo Systems!?!
  140. 93 N* AC bypass belt?
  141. How come N* isn't used in more vehicles?
  142. Switched to Mobil-1 and oil consumption dropped
  143. 2000 deville dts (Engine runs rough when 1st started)
  144. 2 mufflers for cosmetics or performance?
  145. Northstar upgrades?
  146. How difficult is this?
  147. It won't fire!!!!
  148. Northstar stands alone?
  149. Engine on or off during On Board Diagnostics?
  150. timing pics, homemade locating pins, please look
  151. HELP! Need part number........
  152. AC Recharging Help
  153. About those electric superchargers...
  154. Possibly the best sounding N*?
  155. $660 tune up for 95 STS??!!
  156. Engine Temp. Sensor
  157. When do I replace the AC Compressor
  158. 94 SLS 4.6l, code P071
  159. 130mph??
  160. oil filter adapter
  161. 94 to 97 Northstar interchange question
  162. Bad batch of DELCO PLATINUM 41-950 SPARK PLUGS
  163. How long should plugs/wires last?
  164. Easy question - which is right and which is left?
  165. Tell me how to do a WOT.
  166. How did this guy do burnouts?
  167. 95 Eldorado occasional starting problem.
  168. Coolant change Air purging?
  169. two torque sequences?
  170. mystery oil leak
  171. Still Can't Get The Front Valve Cover Off!!!
  172. Ignition System Problems
  173. This sounds dumb but I'm gonna ask anyway - air intake question
  174. A/C recharge
  175. API grades
  176. Engine Difference between 97' & 99' STS?
  177. part# for speedy sleeve
  178. Post Head gasket job (need Veteran rebuilders advise)
  179. 94 concours acting up..
  180. Trans Question 01 DTS
  181. Engine Error Codes...Please Help
  182. 4.6 L NorthStar Engine Design Questions
  183. multi miss fire multi codes 1996 dev
  184. Have a big ?
  185. What does it all mean?
  186. Metal flakes in engine oil
  187. latest lower end seal job procedure
  188. OBDII Tuner software for Northstar.
  189. Poor gas mileage in aurora 4.0
  190. Northstar Head Gasket, which side, which jug is more common
  191. Code P1415 help?
  192. need new O2s
  193. 2002 Deville transmission
  194. Wanted:1999 4.6 NorthStar leak-down values
  195. MAP Sensor relocation
  196. Can someone explain HOW my injectors went bad?
  197. Bad Mileage Not Fpr
  198. 1999 Cadillac STS Exhaust Mufflers
  199. 4t80e production changes 95-9
  200. Manifolds are melting my car
  201. Check Atf
  202. Putting Northstar on an Engine Stand
  203. Headgasket job +++?
  204. northstar swap into another car, a few questions
  205. 2002 Seville STS Cataylst Issues
  206. Engine Temperatures
  207. Can a 1999 4.6L Northstar "Y" be replaced/exchanged with a "9" of the same year
  208. Amsoil nano-filters (air & oil)
  209. DELCO PLATINUM #41-950 SPARK PLUGS from eBay
  210. 93 Water Pump Confusion
  211. How to check for bad ignition coil?
  212. 94 Eldorado surge in engine and 4 codes
  213. Questions On Crank Shafts
  214. weird start problem that occured
  215. northstar head switching
  216. Northstar 4.6 Interchange and Swapping
  217. Car Farts After WOT
  218. 1999 Northstar engine 85K Miles, How can one tell if is good
  219. 03 Seville Steering Adjustments? ? ?
  220. On My 3 Rear Main Seal
  221. 96 sts crankshaft position sensors
  222. any tranny experts out there?
  223. Fpr For $141.08
  224. Water pump
  225. Rwd N*
  226. Coolant Drain
  227. Coolant Leak 98 Deville
  228. so any chance of an AFC
  229. AC Compressor bypass
  230. 3.5L Shortstar Ignition
  231. Sound
  232. Northstar reliability...
  233. Name That Part
  234. Post headgasket job, one loose end left.
  235. Need re-assembly advise!
  236. Minor starting problem
  237. does it work? (hyper lube)
  238. 96 cadillac deville code after code?!?
  239. Transmission Durability?
  240. Shaky Tachometer at High RPM
  241. 1996 Seville STS Crank Sensors
  242. What other cars use the same style injectors?
  243. Adding Freon
  244. Lost power steering fluid rapidly. Is there a hose?
  245. Northstar engine rebuilders or performance builders in SoCal?
  246. 95 Northstar Coolant leak
  247. EXP ID Codes
  248. Looking for N*mech in northern RI
  249. 93 Eldorado T.C ignition issues
  250. voltage drops when car in drive