: Northstar Engines and System Technical Discussion



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  1. warped heads common?
  2. radiator or head gasket????????
  3. thermostat options
  4. Bad ( burning? ) Smell
  5. ISC replacement
  6. 98 deville spark plugs
  7. Oil Level Sensor
  8. Dropping cradle today, need a bit of guidance
  9. Maff screen remove? power gains?
  10. Runnin without o2 fuses in
  11. Thoughts on G-Tech Pro
  12. PCM Programming for N*?
  13. Decreased Performance ???
  14. anyone use non-"time" serts
  15. Fuel Rail Question...
  16. portability of engine, tranny, etc
  17. Harder than heck to start my
  18. Z-rated 93/94 Seville/Eldo PCM for sale-Ebay
  19. Northstar ETC dynoed
  20. Northstar in an Allante vs an STS?
  21. Long Block Replacement
  22. Leaking Fuel Rail
  23. turning off traction control on '95 sts
  24. New Towing Hitch
  25. Overheating problem just started.
  26. Normal Oil Consumption ???
  27. 112mph???
  28. 93 N* coolant temp sensor
  29. Finally Found PCM Programmer for 96-04 N* OBD-2!!!
  30. Voltage question
  31. Oil Question?????
  32. 97' Cadillac Deville Overheating
  33. ticking throttle
  34. Best Head Gasket Sealer
  35. '94 SLS Crankshaft pully
  36. 99 seville sls
  37. 1/4 mile
  38. radiator fan not spinning
  39. Noisy Lifters
  40. Sticky lifter Update
  41. Expensive Air Filters Worth it???
  42. Coolant system question
  43. hard start when hot, not FPR
  44. An Intresting scan tool
  45. pre 99 N* water pump belt tensioner.
  46. Hard Start/ Fuel Odor
  47. Belt Pulley
  48. coolant flow question
  49. Reading data from OBD II
  50. Inaccurate Battery Voltage Display??
  51. Detonation and Pre-ignition
  52. 94 STS needs help
  53. lifting a northstar
  54. Bosch +2 plugs (report)
  55. OSD says "Change Trans Fluid"
  56. premium at the pump...or is it??
  57. Heating Up
  58. 0-60
  59. More performance
  60. cooling fan problem
  61. 1995 seville pcm problem HELP
  62. Valve Train Question
  63. I keep getting P0404 and P0441? Looking for suggestions...
  64. wiring oil pressure sensor
  65. I keep getting P0404 and P0441
  66. Cooling Fans
  67. Some N* questions
  68. Check Engine Oil Level
  69. This N* is living a good life...
  70. Read TECH TIPS FPR - More Info needed
  71. Intakes
  72. 93 sts running rough only when hot
  73. What does "B2118 - Front Vertical Sensor Failed" mean?
  74. Anti-Sieze and Spark Plugs
  75. Intake Manifold questions - chime in!
  76. thermostat for north star
  77. Preparing for coolant change / Double Checking.
  78. 95 Intake Manifold Interchange?
  79. p0741 trouble code
  80. 1996 4.6 L. Rebuild, what should be replaced.
  81. Replacement parts after reman engine
  82. hardest water pump to install
  83. Sticky-Noisy Valve Lifters, What to Do?
  84. ISC Adjustment Procedure for OBD1 How To
  85. Need Part Number 94 N* INTAKE MANIFOLD
  86. My mechanic wants to put in a new radiator, should I let him?
  87. 94 caddy coolant leak
  88. Crossover measurement
  89. northstar in a fiero
  90. Oil Additive Question
  91. Overheating and low oil pressure
  92. How about no muffler??
  93. Engine rough running misses no power 95 Eldorado 4.6
  94. Borla vs Corsa and others
  95. starter noise, doesn't start
  96. oil pan gasket change, is this quote correct!?
  97. Mixing Coolants.
  98. '95 Concours leaking oil between engine and trans
  99. Time serts for sale
  100. Northstar changes year to year
  101. no power with Traction Control off
  102. Oil Change question.. price???
  103. A/C and vacuum
  104. 10 best engines, N* not 2 b found
  105. 93 runs rough when hot.
  106. Spark Plug Wire Placement
  107. Adjust TCS Sensitivity?
  108. "The power to set it free"
  109. Oil Analysis
  110. Tried Blue Devil?
  111. Overheating HELP!!!
  112. Alternator Removal??
  113. MAF screen missing
  114. Washed My North*
  115. Battery No Charge
  116. PCM programming question
  117. 95 TPS replace
  118. 93 sts fuel filter
  119. Engine Stall
  120. Can 'sticky' EGR cause misfire or similar?
  121. head gasket mileage
  122. Cadillac Dealerships
  123. dexcool flush
  124. 93 sts rough idle and fluttering under acceleration
  125. wanna see performance then mayb you wanna watch this
  126. cam specs for a 1995 sts
  127. Chance of Fire ??
  128. +++++Looking for a "Time-Sert" tool set+++++
  129. +++++Looking for a "Time-Sert" tool set+++++
  130. 97 STS overheating
  131. water pump
  132. oil change and coolant change this friday
  133. 97 SLS misfiring... ?
  134. Mystery Belt (Simple Question)
  135. 95 Aurora OBD I or OBD II
  136. Normal Temp Readings
  137. Northstar for marine use?
  138. 92 Eldo OBD Code help
  139. kick down
  140. WOT in a Aurora 4.0
  141. Low Oil Pressure
  142. When buying a Northstar powered car....
  143. Oil OIl Everywhere Not a drop to spare
  144. Overheating 95 Seville Sls
  145. Rough idle at start-up
  146. Northstar low oil pressure alarm
  147. Nothstar fairytails
  148. rough idling at lights
  149. Anyone know what "P1320 - IC 4X Reference Circuit Intermittent" means?
  150. Codes p0174, b2102, u1064
  151. Prestone EG coolant "new formula"? for 95 SLS N*
  152. Elusive overheating problem solved/excess oil found
  153. NorthStar Head Bolts
  154. 4.6L Parts Supplier and Availability Question
  155. Torque Convertor removal, problem (96 4.6L)
  156. 4.6 Northstar Time-sert headbolt hole repair kit
  157. My 94 seville idles and runs terrible. I've done everything!
  158. oil consumption cured
  159. How often do I clean the throttle body?
  160. 94 A/C Problem
  161. Flushing radiator 98 deville
  162. Help with codes for an 02 Deville....
  163. 95 Eldo Idle/Acceleration????
  164. I'm sure this has been asked
  165. 1997 stalling problem
  166. 10% Ethanol comes to Northeast U.S.
  167. So I've been using 5W30...
  168. My tranny is FUBAR!
  169. Northstart - Blown Head / Headgasket?
  170. HOW TO: Test/Change TPS (99 STS)
  171. Rebuilt Northstar, No Codes, Poor MPG
  172. 4T80E Torque Converter Removal
  173. 97 ETC Complete Exhaust
  174. help with new car
  175. Fuel mileage (Holy cow!!!)
  176. Radiator Sealant
  177. 2000-2004 crank sensors
  178. Transmission squeak?
  179. Missing 9 HP
  180. How good is K&N filters... really?
  181. Leaking anti-freeze poss waterpump area
  182. Timeserts
  183. L37 gear shifts at what speeds?
  184. Rough cold idle...
  185. help in determing this motor
  186. Is there any interest in 93-95 bored throttle bodies?
  187. Temp gauge issue (Question 2)
  188. Fuel gauge issue (Question 1)
  189. Coolant boiling out of overflow
  190. upgrades...K+N =BAD???
  191. Well im alive...
  192. 1999 deville North** lost mileage
  193. Actual N* engine swaps
  194. Coolant Leak
  195. Just bought my first Cadillac-Has green coolant
  196. Any increase MPG tips?
  197. why ios engine running hotter than before
  198. where is the thermostat located in 2003 deville
  199. how to change coolant in 2003 deville
  200. Head Gasket Going
  201. difference between 275 and 300hp N*?
  202. 96-98 Intake parts
  203. Why is the Northstar "better" than the Intech?
  204. Post 2000 N*?
  205. Motor Mount Question
  206. A/C Question 1994 STS
  207. real fast idle
  208. So I Put My Sled On The Dyno Today..
  209. N* Supercharger and Turbo Systems!?!
  210. 93 N* AC bypass belt?
  211. How come N* isn't used in more vehicles?
  212. Switched to Mobil-1 and oil consumption dropped
  213. 2000 deville dts (Engine runs rough when 1st started)
  214. 2 mufflers for cosmetics or performance?
  215. Northstar upgrades?
  216. How difficult is this?
  217. It won't fire!!!!
  218. Northstar stands alone?
  219. Engine on or off during On Board Diagnostics?
  220. timing pics, homemade locating pins, please look
  221. HELP! Need part number........
  222. AC Recharging Help
  223. About those electric superchargers...
  224. Possibly the best sounding N*?
  225. $660 tune up for 95 STS??!!
  226. Engine Temp. Sensor
  227. When do I replace the AC Compressor
  228. 94 SLS 4.6l, code P071
  229. 130mph??
  230. oil filter adapter
  231. 94 to 97 Northstar interchange question
  232. Bad batch of DELCO PLATINUM 41-950 SPARK PLUGS
  233. How long should plugs/wires last?
  234. Easy question - which is right and which is left?
  235. Tell me how to do a WOT.
  236. How did this guy do burnouts?
  237. 95 Eldorado occasional starting problem.
  238. Coolant change Air purging?
  239. two torque sequences?
  240. mystery oil leak
  241. Still Can't Get The Front Valve Cover Off!!!
  242. Ignition System Problems
  243. This sounds dumb but I'm gonna ask anyway - air intake question
  244. A/C recharge
  245. API grades
  246. Engine Difference between 97' & 99' STS?
  247. part# for speedy sleeve
  248. Post Head gasket job (need Veteran rebuilders advise)
  249. 94 concours acting up..
  250. Trans Question 01 DTS