: Northstar Engines and System Technical Discussion



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