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View Full Version : Northstar Performance and Technical Discussion

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  1. Northstar Aftermarket Support
  2. Do Northstars burn oil fast???
  3. Help!!
  4. Northstar overheating
  5. Most common problems with NS motor
  6. Engine size ?????
  7. What is the deal with the Crank Position Sensor and...
  8. sneaky coolant leak, Northstar
  9. Bad plug wires get you crazy codes
  10. stupid dipstick
  11. N* Head Gasket repair part I/ Remove engine
  12. idle speed adjust?
  13. Belt Question
  14. Emissions System
  15. 99 SLS probelms
  16. help with codes?
  17. Head Work
  18. New person here - piston replacement question
  19. How to get to plugs on 00 STS?
  20. 1995 SLS Engine and Trans
  21. tps 1995 sts adjusted
  22. are the '93 and '95 northstar computers the same?
  23. Cracked Water Pump Housing Northstar
  24. Erratic fuel level gauge & a few other ???
  25. Time serts head gaskets and cadillac refunds
  26. 1990 Sedan Deville Valve Job
  27. Limited slip...sort of
  28. Octane reading
  29. Check Oilk Level wont stop
  30. Please help..engine coolant ?....
  31. Traction Control on STS ???
  32. 96 Seville, Check Engine Light, New owner?
  33. Help with cooling system
  34. ? on seville northstar motor?
  35. Help! I have a 1997 Concours(traction c) I would love to know where this wire goes??
  36. maintenence records?
  37. rear windows fog up
  38. Northstar - Golf swap
  39. PCM codes
  40. 1997 Deville problems
  41. Smelling Coolant inside - 93 STS
  42. Battery Replacement on 95 STS
  43. Service Brake Fluid Switch
  44. Transmition shifting ?'s
  45. Engine cutout 93STS north*
  46. Oil Life Message Problem
  47. Can I get some pictures (N* mounting)?
  48. OBD codes
  49. 95-sts wont start
  50. idle sts-95
  51. Anyone know where I can find cheap o2 sensors?!
  52. So....someone wanna rent me a timesert kit?
  53. Ignition module failure?
  54. Need help understanding a code
  55. Best oil for Northstar engines?
  56. Northstar questions: engine and tranny mounts
  57. Service Engine Light
  58. Idle speed
  59. Intermitant DTC P1416, where do I start looking?
  60. phenolic spacers cleaning
  61. Regular Unleaded
  62. Throttle Body
  63. 97 Concours....SOLD!
  64. Help Codes
  65. Thermostat
  66. 4.0/4.6 Combustion Chambers
  67. Intake air sensor / resistor mod
  68. valve job? something burning......
  69. Easy method of telling you need a coolant change!!!!!
  70. 97 dedan deville speedometer display out...
  71. 4.6L engine knock at idle
  72. High Performance driving
  73. Starting Issue
  74. High octane
  75. 4.6L engine knock at idle
  76. Headgaskets
  77. hard starting, won't pass smog symptoms
  78. Info on converter lock,,code PO39
  79. Northstar engine numbers
  80. Locking converter/check engine SOON
  81. How to replace front motor MOUNT
  82. can any one help
  83. Motor Rocks
  84. Torque converter lockup?
  85. Help!
  86. Regular Gas
  87. Nitrous Kit for Northstars - It exists
  88. why do people tell me northstars are junk?
  89. Coolant Loss
  90. VERY slight valve knock on '98 STS Northstar?
  91. Won't shift out of 1st gear
  92. Let's get some performance parts!
  93. Just how fragile are they?
  94. experienced mechanic in Los Angeles
  95. RWD 5-speeds
  96. Let's get an OBD Programmer...
  97. Limiters on 96 STS
  98. 1996 northstar in 95 eldorado - Strange things happening!
  99. Technical Photo Section?
  100. service engine light is on
  101. engine compatibility
  102. code help please
  103. 99' STS low-end torque is sluggish?
  104. Blessed With Head Gasket Leakage as Well...
  105. timesert kit
  106. performance pcm/ecu mods ODB II (96+ ) (i.e. 1999 sts)
  107. Can the 300 HP be swapped with 275 HP motor?
  108. North star motor swap
  109. Diagnostic codes and running rough
  110. cam timing tool
  111. Hard Shifting Transmision
  112. Squeek, scrape, whir.
  113. transmission removal in 94 eldorado???
  114. 2001 seville sparkplug location
  115. need advice-- cooling
  116. engine removal and install procedures
  117. Temperature problem???
  118. Starter replacement, what is the easiest way?
  119. Bearings?
  120. are northstars interferene engines?
  121. northstar head warpage?
  122. "LOW ENGINE COOLANT" came on...
  123. timeserts
  124. Northstar idle speed motor instsall
  125. Rss (c)1743, 1783, 1785 ??
  126. 4T80E drain plug location?
  127. Missfire 93 sts
  128. Idle is higher than normal and fluctuates
  129. STS 13:63, you ask how?
  130. Ok I can check my codes but how do you check them individually?
  131. Cadillac Hot Rodders!
  132. Keyless Entry Programming Procedure
  133. How to change Trans. Fluid?
  134. Borla exhaust needs your help
  135. Where's the Chip?
  136. Battery No Charge light on/ Alternator?
  137. New Owner Can I work on My Seville N* myself? Is it too electronic?
  138. northstars
  139. I am New here
  140. spark plug wires
  141. Sudden Stall
  142. What would you do? (fun project)
  143. Problems that were fixed (technical question)
  144. Waterpump Replacement
  145. I broke it!!
  146. 1999 Caddy Seville Sts
  147. High Mileage Northstar Thread: Who can beat me?
  148. 120,000 Miles on a Northstar?
  149. Rusted Fuel Filter
  150. Need some technical help/ suggestions from guys that know!!
  151. turbo for a northstar?
  152. Difference in 275HP & 300HP Engines
  153. Heads
  154. What size rims ....... (technical info)
  155. 95 SLS how to check coolant levels?
  156. Looking for Time sert kit
  157. Mobil 1 Synthetic Oil
  158. Screen in the intake system
  159. 100,000+ questions
  160. PVC Valve and Fuel Filter
  161. how to seperate the trans form the motor etc
  162. Ways to tell if your northstar motor is blown........look
  163. General Deville Maintenance
  164. New street rodder issue has N* Part 2!
  165. Need supporting info RE: 4.6 head bolts
  166. Northstar motor blown at 80,000 help...........
  167. Throttel Body Plate Size ???
  168. Caddy transplant
  169. 00 - 03 Seville questions:
  170. Northstar oil burning - what to do?
  171. That Coolant thing...
  172. B1136
  173. Allante losing coolant via bypass
  174. 2000 Dts - Rough Idle
  175. Resetting Change Oil Message
  176. finally made a few mods to the STS
  177. Knock sensor blues!!!
  178. Emission Message
  179. New Struts? When to replace them.
  180. Oil
  181. STSi heads availability
  182. seeping head gasket
  183. Premium Fuel
  184. just wanted to say hi to everyone!!!!!
  185. NOS on northstar??
  186. engine squeeking
  187. Engine Problems?
  188. Engine/Coolant Temp?
  189. How much to rebuild a northstar?
  190. Is there a SLS/STS performance chip/programer yet?
  191. how to turn off tractin
  192. "Check Oil Level"
  193. coolant color
  194. Firing order-
  195. engine miss
  196. North* with a manual?????
  197. Gasoline question
  198. sls tranny problem
  199. Hot Rod Caddy or LS1?
  200. upper motor mount part numbers?
  201. Cooling system sealants....
  202. A word about air filters
  203. Some Interesting facts...
  204. Transmission valve box?
  205. SES light
  206. Northstar STS story
  207. Clearing codes
  208. Oil in Coolant
  209. Is it just me, or did they use a shoehorn to get the N'Star under the hood of my STS?
  210. 2K 4.6 NS- No worries or no probs mentioned YET??
  211. Intermittent Hesitation
  212. Hey guys..quick question!
  213. How Strong is the Northstar Bottom End?
  214. tranny slipage on 97 deville
  215. Northstar 4.0L seems a little hot. Removed Thermostat. Bad Idea?
  216. Operating Temp??????
  217. Maintain Cooling system?
  218. Northstar Pull Question
  219. cracked spark plug
  220. 98+ Seville Free cold air intake mod
  221. Clearing Codes
  222. Check Coolent Level Keeps showing up
  223. blown headgasket
  224. 1994 Concours Transmission Question
  225. burned exhaust valve's ?!?!
  226. The Northstar Issue
  227. Head gasket or??? HELP Plz
  228. My 1997 ETC
  229. Nitrous Systems
  230. anyone with subscription, willing to run carfax for me?
  231. fuel rail
  232. Cadillac 32v Northstar 1993
  233. 98 Concours
  234. Blown head gasket
  235. Stabilzer Links
  236. Northstar Motor Intakes
  237. Rebuilding my Northstar please help!
  238. hot weather and hot northstar..HELP!
  239. 94 SLS Radiator
  240. Unusual Howling noise.
  241. Northstar Heating Up
  242. Throttle Body Bypass
  243. Ignition coil or ignition module ?
  244. stupid POS Alternator!!!
  245. a/c compressor/ clutch removal-install
  246. Cooling Fan Relay Location
  247. Tranny code P0741 & P1860
  248. Eldorado ?
  249. water pump pulley
  250. What can I do to push my '93 Eldo to the max?