: Northstar Engines and System Technical Discussion



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