: Northstar Engines and System Technical Discussion



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