: Northstar Engines and System Technical Discussion



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  1. check oil level?
  2. de carbonization of northstar engine
  3. Mobil 1 in all '08 Caddys
  4. 4.9 vs. Northstar
  5. Posi install questions!
  6. Oil Usage
  7. pinout of crankshaft sensors?
  8. 2002 N* Deville occasionally idles too high
  9. Adding a friction modifier to the tranny
  10. How much horsepower would this do?
  11. What is that noise?
  12. ticking or knocking
  13. WOT: Is it really effective?
  14. Check coolant level message appeared twice in 6 months
  15. Failure to start
  16. Motor Oil is Killing our Cars / LONG / OT
  17. How bout this idea: Northstar in a golfcart?
  18. rsm racing
  19. oil weight
  20. rebuild a northstar
  21. Old Man checkin in..Hi Sal!
  22. serious question about my n*
  23. Free Ign. module with 3 coils from 93 STS
  24. Starburst on oil
  25. 96 Cadillac ETC, Idle Problems
  26. 2000+ N* Info needed
  27. Bad Mileage And Weird Whoosh Sound
  28. Why Lower crankcase should be done...
  29. New northstar reliable?
  30. How to test ignition control module
  31. Engine identification and swap.
  32. Installed intake
  33. 99 deville with a missfire
  34. Is the resonator necessary?
  35. Eldorado O2 sensors.
  36. Engine swap 97 Deville
  37. Need a little starting help?
  38. Is Seafoam safe to use in a Northstar?
  39. What oil is best for a 97 deville
  40. Honestly, is a Northstar Cadillac a wise purchase for a ~20 year old?
  41. Cost for a new starter in a 93-97 Northstar?
  42. Hey fellow cadillac lovers
  43. How many cubic inches is a N*?
  44. Transmission Fluid Running Out of Transmission.
  45. Differences between 94 and 98 N*
  46. hesitation then takes off like a bat out of hell.
  47. 1999 300 sts engine in a 97 deville
  48. Am I screwed ?
  49. Coolant Additives?
  50. Nitrous Help?!?!?!??!?!
  51. 93 Northstar stalling
  52. pcm location on 94 sts?
  53. motor
  54. Coolant Level
  55. 2005 N* with 10 miles $3000
  56. Engine Swap
  57. pics of the progress
  58. Oil Level Sensor?
  59. 97 seville cold crank problem... Help
  60. Cylinder leak-down test procedure (with percentage gauge)
  61. Coil Questions
  62. Purge Flow Problem
  63. Engine Cover?
  64. Modified Northstars - Need I say more?
  65. P0171 & P0174
  66. Anyone want a K&N air filter?
  67. Water in tailpipe, rough idle on start,
  68. Seville Engine replacement.
  69. Glasspacks
  70. 93 N* rough idle, no codes, loss power
  71. a/c compressor
  72. Contacted Fastchips
  73. 275vs300HP Eldo ESC/ETC
  74. GM Powertrain Information ".doc"
  75. '02 Deville Mods
  76. N* Ignition Module Pinout and Description?
  77. Excessive Idle RPM - Need advice
  78. bigserts
  79. Can you understand this?
  80. "New" Caddy, old leak?
  81. block swapping,crank sensors
  82. Tufoil?
  83. Northstart vs. 5.0
  84. MPG DROP - 22 to 17
  85. 94 Deville Concours- Idle in Drive Rough
  86. Should I use Dex-Cool?
  87. Dtc 420 & 1189
  88. Remote Start Killed My ICM!!?
  89. Where can you get headers for a Northstar?
  90. 02 Deville Sudden Stall
  91. light knocking... does not go away....
  92. 99 SLS runs funny
  93. Northstar 4.6 - coolant comes out rear exhaust manifold bolt hole
  94. AMSOIL in 96 STS with 88K
  95. Havoline?
  96. Replacement Air Filter
  97. Oil, Gasoline, N*'s, and long trips
  98. 96 SLS knock
  99. Crank sensor replacement
  100. Synthetic Blend?
  101. 93 STS N* P132 (E132) ... Knock Sensor Circuitry Failure
  102. Best Exhaust Upgrade for a 96 STS.
  103. N* Forged pistons
  104. N* crankshafts
  105. 96 STS overheating
  106. Looking for a core N*/Aurora V8 crank,,,
  107. Having a problem with 94 STS
  108. I Think I found my leak (Burning Oil Smell Cont.)
  109. Suspension Stability
  110. will '94 fuel injectors work in a '96?
  111. I miss the Bliss
  112. So much for your "bullet-proof" Northstar engines...
  113. 2000 sts read
  114. 97 deville overheated!!!
  115. What are these parts on my 95 Eldo?
  116. Sealing a radiator leak
  117. PCM P 0410 Secondary Air Injection System Malfunction
  118. Northstars in '95
  119. Reduced new engine power during breakin period?
  120. Boring out the N*?
  121. N* Ifr
  122. tuning software
  123. Pcm 0174
  124. Odc Ii
  125. ***New ROSS Pistons for a N* (WIth Ceramic Coating) $750***
  126. Alternator Replaced, Now Belt Squeaks, How to Fix?
  127. XLR's N* VVT rumble on startup and engine light.
  128. Quick question about a noise
  129. Help 06dts Mpg
  130. Zddp
  131. How deep do you go into motors and repairs
  132. Crank Position Sensor
  133. 94 STS cracked block
  134. Dex-cool?
  135. Performance chips
  136. It's Me again!
  137. CODES-I'm New-Check Engine light
  138. 96 SLS Head Gasket
  139. Serious help needed with 1995 northstar
  140. Cover up UGLY valve cover 95-99
  141. Who has the best warranty
  142. Annoying Tranny Whine
  143. Car just dies. Please help!
  144. service engine soon light
  145. 1993 STS running rough P053 Code
  146. 2000 Eldorado ETC Misfire #2
  147. Revisiting Airflow = Torque
  148. missed a time sert kit
  149. Newbie here and tryin to find my CKP
  150. Temperature Concerns
  151. Northstar- Starting, Running Problems
  152. 94 Seville intermittent hard start
  153. Engine miss
  154. sticker shock
  155. 9 codes today, i reckon a bad earth?
  156. oil change
  157. 70MPH pull.....
  158. reuse pistion rings?
  159. Engine Stall
  160. Contents of GM Top End Cleaner?
  161. OBDII Codes
  162. Iridium Spark plugs
  163. Oil Change
  164. Bar's Leaks J-120
  165. MAF Sensor
  166. cracked block pics
  167. possible Northstar PCM Programmer
  168. Export code
  169. Strange hole under ignition module
  170. Balls to the wall - N* style
  171. Timesert kit for sale
  172. Bank 2 identification
  173. Source of whining noise
  174. So many questions, so little time
  175. need help with p036 and p094
  176. Odin8 are you out there ?
  177. will '94 concours fuel injectors fit '96 sts?
  178. 1BadCaddy 94' STS update on power tune up.
  179. 4T80E Troubles?
  180. Coolant leak under throttle body area?
  181. After Shift Sol. Replacement...
  182. Safe amount of boos for stock motor?
  183. Found the reason why my car "jerks" during acceleration
  184. Head torque
  185. Ground Cable Location?
  186. Northstar leaking coolant....big time!
  187. Setting the timing gears and belts on 96 n* 4.6
  188. Help on hesitant start...
  189. New to forum, getting a caddy, some advice needed...
  190. Head gasket = overheat while driving or idling?
  191. Mini N*
  192. Tranny Prob, sheared pump shaft
  193. Twin Turbo N* powered 1948 Tucker
  194. cracked block
  195. Legit "Performance chip"?
  196. Missing Hose On Vacuum Purge Switch?
  197. N* water pump froze in housing
  198. coolant leak 00 sts
  199. 1990 Eldorado won't Start !
  200. started my headgasket job today
  201. is this normal or could this be my problem
  202. Anyone ever see this thing
  203. Sludge in my engine?
  204. WOT's northstar knock?
  205. STS Coolant Burping Air out of Coolant Question
  206. Oil leak
  207. N* rebuild....hmmm what to add to my mod list
  208. Keys to long lasting N*'s
  209. Complete engine overhaul, need help ASAP
  210. Cadillac Eldorado 1995 ER HELP NEEDED!!!
  211. Huge Problem, No Shop Can Fix!!!! Help!!!
  212. 04 STS misfires when idles, goes away when you floor it.
  213. northstar research thread pics 56k beware
  214. Exhaust size
  215. Plugs And Wires
  216. Which kind of FPR?
  217. 93 Seville?
  218. 96-99 motor wiring diagrams
  219. 91 Eldo STILL misses
  220. Torque vs Horsepower primer
  221. Crankshaft Position Sensor Replaced-Code Still Set P0385
  222. Water pump question on 94 STS
  223. Is it possible to lose HP
  224. Performance tune-up for 94 North*using performance coils.
  225. 97 N* Shaky idle
  226. 97 N8 port, polish and valve job
  227. Differance between 94 and 97 N*
  228. Question about the transmission fluid
  229. Northstar Misfire... no error codes
  230. More Horsepower
  231. Volant Review / So I did it without instructions.
  232. Tranny Prob, Please help!!
  233. High oil consumption (1 quart/week!!)
  234. A/C question/help for 94 STS
  235. Magnets Increase Mileage/Power??
  236. TC0047 Code
  237. Need some help installing Volant
  238. Add Engine Oil alert
  239. P1860... Problem
  240. loss of fuel pressure
  241. O2 sensor change, mpg improvement?
  242. Northstar heads(all) and ECU Chip(93-95). Real power!
  243. 97 deville-changing plugs and wires
  244. NS300L Insert kit
  245. Head gasket set
  246. Coolant Change?
  247. P0441... P0404... ?
  248. P0533... fuel gauge is going nuts
  249. Trans Solenoids??
  250. Timesert VS NS300L Insert System