: Northstar Engines and System Technical Discussion



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  1. 99' STS low-end torque is sluggish?
  2. Blessed With Head Gasket Leakage as Well...
  3. timesert kit
  4. performance pcm/ecu mods ODB II (96+ ) (i.e. 1999 sts)
  5. Can the 300 HP be swapped with 275 HP motor?
  6. North star motor swap
  7. Diagnostic codes and running rough
  8. cam timing tool
  9. Hard Shifting Transmision
  10. Squeek, scrape, whir.
  11. transmission removal in 94 eldorado???
  12. 2001 seville sparkplug location
  13. need advice-- cooling
  14. engine removal and install procedures
  15. Temperature problem???
  16. Starter replacement, what is the easiest way?
  17. Bearings?
  18. are northstars interferene engines?
  19. northstar head warpage?
  20. "LOW ENGINE COOLANT" came on...
  21. timeserts
  22. Northstar idle speed motor instsall
  23. Rss (c)1743, 1783, 1785 ??
  24. 4T80E drain plug location?
  25. Missfire 93 sts
  26. Idle is higher than normal and fluctuates
  27. STS 13:63, you ask how?
  28. Ok I can check my codes but how do you check them individually?
  29. Cadillac Hot Rodders!
  30. Keyless Entry Programming Procedure
  31. How to change Trans. Fluid?
  32. Borla exhaust needs your help
  33. Where's the Chip?
  34. Battery No Charge light on/ Alternator?
  35. New Owner Can I work on My Seville N* myself? Is it too electronic?
  36. northstars
  37. I am New here
  38. spark plug wires
  39. Sudden Stall
  40. What would you do? (fun project)
  41. Problems that were fixed (technical question)
  42. Waterpump Replacement
  43. I broke it!!
  44. 1999 Caddy Seville Sts
  45. High Mileage Northstar Thread: Who can beat me?
  46. 120,000 Miles on a Northstar?
  47. Rusted Fuel Filter
  48. Need some technical help/ suggestions from guys that know!!
  49. turbo for a northstar?
  50. Difference in 275HP & 300HP Engines
  51. Heads
  52. What size rims ....... (technical info)
  53. 95 SLS how to check coolant levels?
  54. Looking for Time sert kit
  55. Mobil 1 Synthetic Oil
  56. Screen in the intake system
  57. 100,000+ questions
  58. PVC Valve and Fuel Filter
  59. how to seperate the trans form the motor etc
  60. Ways to tell if your northstar motor is blown........look
  61. General Deville Maintenance
  62. New street rodder issue has N* Part 2!
  63. Need supporting info RE: 4.6 head bolts
  64. Northstar motor blown at 80,000 help...........
  65. Throttel Body Plate Size ???
  66. Caddy transplant
  67. 00 - 03 Seville questions:
  68. Northstar oil burning - what to do?
  69. That Coolant thing...
  70. B1136
  71. Allante losing coolant via bypass
  72. 2000 Dts - Rough Idle
  73. Resetting Change Oil Message
  74. finally made a few mods to the STS
  75. Knock sensor blues!!!
  76. Emission Message
  77. New Struts? When to replace them.
  78. Oil
  79. STSi heads availability
  80. seeping head gasket
  81. Premium Fuel
  82. just wanted to say hi to everyone!!!!!
  83. NOS on northstar??
  84. engine squeeking
  85. Engine Problems?
  86. Engine/Coolant Temp?
  87. How much to rebuild a northstar?
  88. Is there a SLS/STS performance chip/programer yet?
  89. how to turn off tractin
  90. "Check Oil Level"
  91. coolant color
  92. Firing order-
  93. engine miss
  94. North* with a manual?????
  95. Gasoline question
  96. sls tranny problem
  97. Hot Rod Caddy or LS1?
  98. upper motor mount part numbers?
  99. Cooling system sealants....
  100. A word about air filters
  101. Some Interesting facts...
  102. Transmission valve box?
  103. SES light
  104. Northstar STS story
  105. Clearing codes
  106. Oil in Coolant
  107. Is it just me, or did they use a shoehorn to get the N'Star under the hood of my STS?
  108. 2K 4.6 NS- No worries or no probs mentioned YET??
  109. Intermittent Hesitation
  110. Hey guys..quick question!
  111. How Strong is the Northstar Bottom End?
  112. tranny slipage on 97 deville
  113. Northstar 4.0L seems a little hot. Removed Thermostat. Bad Idea?
  114. Operating Temp??????
  115. Maintain Cooling system?
  116. Northstar Pull Question
  117. cracked spark plug
  118. 98+ Seville Free cold air intake mod
  119. Clearing Codes
  120. Check Coolent Level Keeps showing up
  121. blown headgasket
  122. 1994 Concours Transmission Question
  123. burned exhaust valve's ?!?!
  124. The Northstar Issue
  125. Head gasket or??? HELP Plz
  126. My 1997 ETC
  127. Nitrous Systems
  128. anyone with subscription, willing to run carfax for me?
  129. fuel rail
  130. Cadillac 32v Northstar 1993
  131. 98 Concours
  132. Blown head gasket
  133. Stabilzer Links
  134. Northstar Motor Intakes
  135. Rebuilding my Northstar please help!
  136. hot weather and hot northstar..HELP!
  137. 94 SLS Radiator
  138. Unusual Howling noise.
  139. Northstar Heating Up
  140. Throttle Body Bypass
  141. Ignition coil or ignition module ?
  142. stupid POS Alternator!!!
  143. a/c compressor/ clutch removal-install
  144. Cooling Fan Relay Location
  145. Tranny code P0741 & P1860
  146. Eldorado ?
  147. water pump pulley
  148. What can I do to push my '93 Eldo to the max?
  149. Northstar rods
  150. Interesting data
  151. Pic of STS removed resonator with chrome plug
  152. Gold vs. Silver On Northstar? Huh?
  153. 1993 - 1995 Northstar Chip Mods
  154. motor swap
  155. limp home mode
  156. Sealant tabs
  157. go fast parts
  158. Water Leakage
  159. Increase 96-03 Cadillac performance $1200
  160. Free mods?
  161. How to Diagnose
  162. electric fan override?
  163. Northstar Intake Cover
  164. Oil Life indicator
  165. Going to the 1/4 track in June. Suggestions?
  166. 2000 Cadillac stalling
  167. Free HP
  168. Anyone know if they make a NOS system?
  169. Key programming
  170. Accessing the OBD2 in your caddi
  171. Lucky ME! A workable dealer!
  172. Overheating Northstar
  173. Changing Spark plugs and Spark plug wires (Tuneup)
  174. Electronic Headache
  175. Northstar Oil Consumption
  176. How to get at the starter?
  177. Performance Chip on Ebay
  178. Top speed eliminator found!!!!
  179. Custom Stereo void warantee?
  180. engine cover?
  181. injector size
  182. Help!!! Asap!!!
  183. HI rpm at start??
  184. More Quirks with my eldo
  185. eww that smell! Could be oil problem
  186. the northstar was first offered...when?
  187. http://www.chrfab.com/ - Quality? Honest?
  188. throttle boddy clicking!!!! help!!!
  189. Transmission problems, anybody experience this?
  190. Northstar Intakes
  191. I made my northstar a little louder today
  192. Northstar Oil Filter:
  193. coolant and tranny fluid.
  194. My Caddy Is at the Doctor's Today
  195. How To Reset Oil Life Meter?
  196. Now My Dad Thinks His STS Takes Regular Unleaded!!!
  197. So Where Does the Extra 25hp Come From?? (Touring Models)
  198. 92-97 STS exhaust, what ya'll got?
  199. '98 Deville Stripped Head Bolt Holes
  200. Synthetic oil!
  201. Looking for a High performance radiator.
  202. A glitch or my imagination?
  203. Water pump problem
  204. weird acceleration
  205. Poll - would you buy a supercharger?
  206. DeVille vs DTS
  207. How about petitioning GM Performance?
  208. Cadillac Northstar Performance Parts Store Database
  209. LD8 and L37?
  210. Custom Intake Finished!
  211. aftermarket performance chips.......
  212. Rebuilding a Northstar engine
  213. electric power loss on full throttle?
  214. K&N Filter On Caddy?
  215. Important to PUSH the Northstar once a week?
  216. Help in search of MODS...
  217. More OIL STUFF
  218. Powertrain Vibration?
  219. What ever happened to...
  220. Temperature?
  221. 100,000 mile tuneup?
  222. Oil Leaks
  223. Can the Vortec 6.0 fit in any other Cadillacs?
  224. Super-Charger
  225. The Northstar Oil Issue
  226. Oil Monitor Question
  227. Remote start with the Northstar