: Northstar Engines and System Technical Discussion



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  1. Transmission Fluid Running Out of Transmission.
  2. Differences between 94 and 98 N*
  3. hesitation then takes off like a bat out of hell.
  4. 1999 300 sts engine in a 97 deville
  5. Am I screwed ?
  6. Coolant Additives?
  7. Nitrous Help?!?!?!??!?!
  8. 93 Northstar stalling
  9. pcm location on 94 sts?
  10. motor
  11. Coolant Level
  12. 2005 N* with 10 miles $3000
  13. Engine Swap
  14. pics of the progress
  15. Oil Level Sensor?
  16. 97 seville cold crank problem... Help
  17. Cylinder leak-down test procedure (with percentage gauge)
  18. Coil Questions
  19. Purge Flow Problem
  20. Engine Cover?
  21. Modified Northstars - Need I say more?
  22. P0171 & P0174
  23. Anyone want a K&N air filter?
  24. Water in tailpipe, rough idle on start,
  25. Seville Engine replacement.
  26. Glasspacks
  27. 93 N* rough idle, no codes, loss power
  28. a/c compressor
  29. Contacted Fastchips
  30. 275vs300HP Eldo ESC/ETC
  31. GM Powertrain Information ".doc"
  32. '02 Deville Mods
  33. N* Ignition Module Pinout and Description?
  34. Excessive Idle RPM - Need advice
  35. bigserts
  36. Can you understand this?
  37. "New" Caddy, old leak?
  38. block swapping,crank sensors
  39. Tufoil?
  40. Northstart vs. 5.0
  41. MPG DROP - 22 to 17
  42. 94 Deville Concours- Idle in Drive Rough
  43. Should I use Dex-Cool?
  44. Dtc 420 & 1189
  45. Remote Start Killed My ICM!!?
  46. Where can you get headers for a Northstar?
  47. 02 Deville Sudden Stall
  48. light knocking... does not go away....
  49. 99 SLS runs funny
  50. Northstar 4.6 - coolant comes out rear exhaust manifold bolt hole
  51. AMSOIL in 96 STS with 88K
  52. Havoline?
  53. Replacement Air Filter
  54. Oil, Gasoline, N*'s, and long trips
  55. 96 SLS knock
  56. Crank sensor replacement
  57. Synthetic Blend?
  58. 93 STS N* P132 (E132) ... Knock Sensor Circuitry Failure
  59. Best Exhaust Upgrade for a 96 STS.
  60. N* Forged pistons
  61. N* crankshafts
  62. 96 STS overheating
  63. Looking for a core N*/Aurora V8 crank,,,
  64. Having a problem with 94 STS
  65. I Think I found my leak (Burning Oil Smell Cont.)
  66. Suspension Stability
  67. will '94 fuel injectors work in a '96?
  68. I miss the Bliss
  69. So much for your "bullet-proof" Northstar engines...
  70. 2000 sts read
  71. 97 deville overheated!!!
  72. What are these parts on my 95 Eldo?
  73. Sealing a radiator leak
  74. PCM P 0410 Secondary Air Injection System Malfunction
  75. Northstars in '95
  76. Reduced new engine power during breakin period?
  77. Boring out the N*?
  78. N* Ifr
  79. tuning software
  80. Pcm 0174
  81. Odc Ii
  82. ***New ROSS Pistons for a N* (WIth Ceramic Coating) $750***
  83. Alternator Replaced, Now Belt Squeaks, How to Fix?
  84. XLR's N* VVT rumble on startup and engine light.
  85. Quick question about a noise
  86. Help 06dts Mpg
  87. Zddp
  88. How deep do you go into motors and repairs
  89. Crank Position Sensor
  90. 94 STS cracked block
  91. Dex-cool?
  92. Performance chips
  93. It's Me again!
  94. CODES-I'm New-Check Engine light
  95. 96 SLS Head Gasket
  96. Serious help needed with 1995 northstar
  97. Cover up UGLY valve cover 95-99
  98. Who has the best warranty
  99. Annoying Tranny Whine
  100. Car just dies. Please help!
  101. service engine soon light
  102. 1993 STS running rough P053 Code
  103. 2000 Eldorado ETC Misfire #2
  104. Revisiting Airflow = Torque
  105. missed a time sert kit
  106. Newbie here and tryin to find my CKP
  107. Temperature Concerns
  108. Northstar- Starting, Running Problems
  109. 94 Seville intermittent hard start
  110. Engine miss
  111. sticker shock
  112. 9 codes today, i reckon a bad earth?
  113. oil change
  114. 70MPH pull.....
  115. reuse pistion rings?
  116. Engine Stall
  117. Contents of GM Top End Cleaner?
  118. OBDII Codes
  119. Iridium Spark plugs
  120. Oil Change
  121. Bar's Leaks J-120
  122. MAF Sensor
  123. cracked block pics
  124. possible Northstar PCM Programmer
  125. Export code
  126. Strange hole under ignition module
  127. Balls to the wall - N* style
  128. Timesert kit for sale
  129. Bank 2 identification
  130. Source of whining noise
  131. So many questions, so little time
  132. need help with p036 and p094
  133. Odin8 are you out there ?
  134. will '94 concours fuel injectors fit '96 sts?
  135. 1BadCaddy 94' STS update on power tune up.
  136. 4T80E Troubles?
  137. Coolant leak under throttle body area?
  138. After Shift Sol. Replacement...
  139. Safe amount of boos for stock motor?
  140. Found the reason why my car "jerks" during acceleration
  141. Head torque
  142. Ground Cable Location?
  143. Northstar leaking coolant....big time!
  144. Setting the timing gears and belts on 96 n* 4.6
  145. Help on hesitant start...
  146. New to forum, getting a caddy, some advice needed...
  147. Head gasket = overheat while driving or idling?
  148. Mini N*
  149. Tranny Prob, sheared pump shaft
  150. Twin Turbo N* powered 1948 Tucker
  151. cracked block
  152. Legit "Performance chip"?
  153. Missing Hose On Vacuum Purge Switch?
  154. N* water pump froze in housing
  155. coolant leak 00 sts
  156. 1990 Eldorado won't Start !
  157. started my headgasket job today
  158. is this normal or could this be my problem
  159. Anyone ever see this thing
  160. Sludge in my engine?
  161. WOT's northstar knock?
  162. STS Coolant Burping Air out of Coolant Question
  163. Oil leak
  164. N* rebuild....hmmm what to add to my mod list
  165. Keys to long lasting N*'s
  166. Complete engine overhaul, need help ASAP
  167. Cadillac Eldorado 1995 ER HELP NEEDED!!!
  168. Huge Problem, No Shop Can Fix!!!! Help!!!
  169. 04 STS misfires when idles, goes away when you floor it.
  170. northstar research thread pics 56k beware
  171. Exhaust size
  172. Plugs And Wires
  173. Which kind of FPR?
  174. 93 Seville?
  175. 96-99 motor wiring diagrams
  176. 91 Eldo STILL misses
  177. Torque vs Horsepower primer
  178. Crankshaft Position Sensor Replaced-Code Still Set P0385
  179. Water pump question on 94 STS
  180. Is it possible to lose HP
  181. Performance tune-up for 94 North*using performance coils.
  182. 97 N* Shaky idle
  183. 97 N8 port, polish and valve job
  184. Differance between 94 and 97 N*
  185. Question about the transmission fluid
  186. Northstar Misfire... no error codes
  187. More Horsepower
  188. Volant Review / So I did it without instructions.
  189. Tranny Prob, Please help!!
  190. High oil consumption (1 quart/week!!)
  191. A/C question/help for 94 STS
  192. Magnets Increase Mileage/Power??
  193. TC0047 Code
  194. Need some help installing Volant
  195. Add Engine Oil alert
  196. P1860... Problem
  197. loss of fuel pressure
  198. O2 sensor change, mpg improvement?
  199. Northstar heads(all) and ECU Chip(93-95). Real power!
  200. 97 deville-changing plugs and wires
  201. NS300L Insert kit
  202. Head gasket set
  203. Coolant Change?
  204. P0441... P0404... ?
  205. P0533... fuel gauge is going nuts
  206. Trans Solenoids??
  207. Timesert VS NS300L Insert System
  208. How much runout is okay?
  209. 95 concours stalling
  210. Looking for Timesert Kit
  211. '94 SLS oil pan / oil manifold / half case leaks
  212. Metal pipe coolant leak...'custom' fix???
  213. Engine apart, which direction does it crank?
  214. 94 Northstar with broken valve.
  215. Oil pressure emergency
  216. hesitation
  217. Timeserts
  218. '99 or '00 ETC?
  219. Fuel pump locking ring
  220. What else do I need to know after unhooking PCM
  221. coolant change
  222. Volant Install
  223. Rebuilt Northstars
  224. Found Rotella 10W-30 at O'Reilly auto parts
  225. PSA: Need sensors?
  226. 1999 Deville front suspension rattle
  227. 1996 Deville 4.6L Water Pump Replacement
  228. N* drive train weight
  229. felpro headgaskets
  230. N* 4.0 liter removal
  231. Smoke at startup?
  232. Whining Power Steering Pump
  233. Questions about servicing my 99 Deville
  234. Where 2 buy main and rod berings for 2004 N*
  235. Lady In Distress - '01 Northstar Intermittent Stalling & Not Starting - Clues Please?
  236. Anyone have HG pics? Not overheating but probs...
  237. Nitrous A/F findings & questions.
  238. 2 N* Questions - Coolent and Tranny Dipstick?
  239. 96 STS Head Gasket Story...
  240. cool Northstar info.
  241. Engine removal
  242. 96 Deville 4.6 North* overheating problem
  243. Hot Hot Hot Is Gone - Finally
  244. A couple Nasty Problems! HELP!
  245. How to change fuel injectors?
  246. Tips for replacing Crankshaft Position Sensors
  247. Oil pan gasket leak!
  248. Oil leak?
  249. left blinker not working when headlights on
  250. Lag in the transmission