View Full Version : Northstar Performance and Technical Discussion


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