: Northstar Engines and System Technical Discussion



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  1. why do people tell me northstars are junk?
  2. Coolant Loss
  3. VERY slight valve knock on '98 STS Northstar?
  4. Won't shift out of 1st gear
  5. Let's get some performance parts!
  6. Just how fragile are they?
  7. experienced mechanic in Los Angeles
  8. RWD 5-speeds
  9. Let's get an OBD Programmer...
  10. Limiters on 96 STS
  11. 1996 northstar in 95 eldorado - Strange things happening!
  12. Technical Photo Section?
  13. service engine light is on
  14. engine compatibility
  15. code help please
  16. 99' STS low-end torque is sluggish?
  17. Blessed With Head Gasket Leakage as Well...
  18. timesert kit
  19. performance pcm/ecu mods ODB II (96+ ) (i.e. 1999 sts)
  20. Can the 300 HP be swapped with 275 HP motor?
  21. North star motor swap
  22. Diagnostic codes and running rough
  23. cam timing tool
  24. Hard Shifting Transmision
  25. Squeek, scrape, whir.
  26. transmission removal in 94 eldorado???
  27. 2001 seville sparkplug location
  28. need advice-- cooling
  29. engine removal and install procedures
  30. Temperature problem???
  31. Starter replacement, what is the easiest way?
  32. Bearings?
  33. are northstars interferene engines?
  34. northstar head warpage?
  35. "LOW ENGINE COOLANT" came on...
  36. timeserts
  37. Northstar idle speed motor instsall
  38. Rss (c)1743, 1783, 1785 ??
  39. 4T80E drain plug location?
  40. Missfire 93 sts
  41. Idle is higher than normal and fluctuates
  42. STS 13:63, you ask how?
  43. Ok I can check my codes but how do you check them individually?
  44. Cadillac Hot Rodders!
  45. Keyless Entry Programming Procedure
  46. How to change Trans. Fluid?
  47. Borla exhaust needs your help
  48. Where's the Chip?
  49. Battery No Charge light on/ Alternator?
  50. New Owner Can I work on My Seville N* myself? Is it too electronic?
  51. northstars
  52. I am New here
  53. spark plug wires
  54. Sudden Stall
  55. What would you do? (fun project)
  56. Problems that were fixed (technical question)
  57. Waterpump Replacement
  58. I broke it!!
  59. 1999 Caddy Seville Sts
  60. High Mileage Northstar Thread: Who can beat me?
  61. 120,000 Miles on a Northstar?
  62. Rusted Fuel Filter
  63. Need some technical help/ suggestions from guys that know!!
  64. turbo for a northstar?
  65. Difference in 275HP & 300HP Engines
  66. Heads
  67. What size rims ....... (technical info)
  68. 95 SLS how to check coolant levels?
  69. Looking for Time sert kit
  70. Mobil 1 Synthetic Oil
  71. Screen in the intake system
  72. 100,000+ questions
  73. PVC Valve and Fuel Filter
  74. how to seperate the trans form the motor etc
  75. Ways to tell if your northstar motor is blown........look
  76. General Deville Maintenance
  77. New street rodder issue has N* Part 2!
  78. Need supporting info RE: 4.6 head bolts
  79. Northstar motor blown at 80,000 help...........
  80. Throttel Body Plate Size ???
  81. Caddy transplant
  82. 00 - 03 Seville questions:
  83. Northstar oil burning - what to do?
  84. That Coolant thing...
  85. B1136
  86. Allante losing coolant via bypass
  87. 2000 Dts - Rough Idle
  88. Resetting Change Oil Message
  89. finally made a few mods to the STS
  90. Knock sensor blues!!!
  91. Emission Message
  92. New Struts? When to replace them.
  93. Oil
  94. STSi heads availability
  95. seeping head gasket
  96. Premium Fuel
  97. just wanted to say hi to everyone!!!!!
  98. NOS on northstar??
  99. engine squeeking
  100. Engine Problems?
  101. Engine/Coolant Temp?
  102. How much to rebuild a northstar?
  103. Is there a SLS/STS performance chip/programer yet?
  104. how to turn off tractin
  105. "Check Oil Level"
  106. coolant color
  107. Firing order-
  108. engine miss
  109. North* with a manual?????
  110. Gasoline question
  111. sls tranny problem
  112. Hot Rod Caddy or LS1?
  113. upper motor mount part numbers?
  114. Cooling system sealants....
  115. A word about air filters
  116. Some Interesting facts...
  117. Transmission valve box?
  118. SES light
  119. Northstar STS story
  120. Clearing codes
  121. Oil in Coolant
  122. Is it just me, or did they use a shoehorn to get the N'Star under the hood of my STS?
  123. 2K 4.6 NS- No worries or no probs mentioned YET??
  124. Intermittent Hesitation
  125. Hey guys..quick question!
  126. How Strong is the Northstar Bottom End?
  127. tranny slipage on 97 deville
  128. Northstar 4.0L seems a little hot. Removed Thermostat. Bad Idea?
  129. Operating Temp??????
  130. Maintain Cooling system?
  131. Northstar Pull Question
  132. cracked spark plug
  133. 98+ Seville Free cold air intake mod
  134. Clearing Codes
  135. Check Coolent Level Keeps showing up
  136. blown headgasket
  137. 1994 Concours Transmission Question
  138. burned exhaust valve's ?!?!
  139. The Northstar Issue
  140. Head gasket or??? HELP Plz
  141. My 1997 ETC
  142. Nitrous Systems
  143. anyone with subscription, willing to run carfax for me?
  144. fuel rail
  145. Cadillac 32v Northstar 1993
  146. 98 Concours
  147. Blown head gasket
  148. Stabilzer Links
  149. Northstar Motor Intakes
  150. Rebuilding my Northstar please help!
  151. hot weather and hot northstar..HELP!
  152. 94 SLS Radiator
  153. Unusual Howling noise.
  154. Northstar Heating Up
  155. Throttle Body Bypass
  156. Ignition coil or ignition module ?
  157. stupid POS Alternator!!!
  158. a/c compressor/ clutch removal-install
  159. Cooling Fan Relay Location
  160. Tranny code P0741 & P1860
  161. Eldorado ?
  162. water pump pulley
  163. What can I do to push my '93 Eldo to the max?
  164. Northstar rods
  165. Interesting data
  166. Pic of STS removed resonator with chrome plug
  167. Gold vs. Silver On Northstar? Huh?
  168. 1993 - 1995 Northstar Chip Mods
  169. motor swap
  170. limp home mode
  171. Sealant tabs
  172. go fast parts
  173. Water Leakage
  174. Increase 96-03 Cadillac performance $1200
  175. Free mods?
  176. How to Diagnose
  177. electric fan override?
  178. Northstar Intake Cover
  179. Oil Life indicator
  180. Going to the 1/4 track in June. Suggestions?
  181. 2000 Cadillac stalling
  182. Free HP
  183. Anyone know if they make a NOS system?
  184. Key programming
  185. Accessing the OBD2 in your caddi
  186. Lucky ME! A workable dealer!
  187. Overheating Northstar
  188. Changing Spark plugs and Spark plug wires (Tuneup)
  189. Electronic Headache
  190. Northstar Oil Consumption
  191. How to get at the starter?
  192. Performance Chip on Ebay
  193. Top speed eliminator found!!!!
  194. Custom Stereo void warantee?
  195. engine cover?
  196. injector size
  197. Help!!! Asap!!!
  198. HI rpm at start??
  199. More Quirks with my eldo
  200. eww that smell! Could be oil problem
  201. the northstar was first offered...when?
  202. http://www.chrfab.com/ - Quality? Honest?
  203. throttle boddy clicking!!!! help!!!
  204. Transmission problems, anybody experience this?
  205. Northstar Intakes
  206. I made my northstar a little louder today
  207. Northstar Oil Filter:
  208. coolant and tranny fluid.
  209. My Caddy Is at the Doctor's Today
  210. How To Reset Oil Life Meter?
  211. Now My Dad Thinks His STS Takes Regular Unleaded!!!
  212. So Where Does the Extra 25hp Come From?? (Touring Models)
  213. 92-97 STS exhaust, what ya'll got?
  214. '98 Deville Stripped Head Bolt Holes
  215. Synthetic oil!
  216. Looking for a High performance radiator.
  217. A glitch or my imagination?
  218. Water pump problem
  219. weird acceleration
  220. Poll - would you buy a supercharger?
  221. DeVille vs DTS
  222. How about petitioning GM Performance?
  223. Cadillac Northstar Performance Parts Store Database
  224. LD8 and L37?
  225. Custom Intake Finished!
  226. aftermarket performance chips.......
  227. Rebuilding a Northstar engine
  228. electric power loss on full throttle?
  229. K&N Filter On Caddy?
  230. Important to PUSH the Northstar once a week?
  231. Help in search of MODS...
  232. More OIL STUFF
  233. Powertrain Vibration?
  234. What ever happened to...
  235. Temperature?
  236. 100,000 mile tuneup?
  237. Oil Leaks
  238. Can the Vortec 6.0 fit in any other Cadillacs?
  239. Super-Charger
  240. The Northstar Oil Issue
  241. Oil Monitor Question
  242. Remote start with the Northstar