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View Full Version : Northstar Performance and Technical Discussion

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  1. Any info on shift improvement kit for 4T80E?
  2. Need a time-sert kit!
  3. Intermittent VSS!!
  4. Lots of exhaust smoke-95 SLS
  5. Who actually designed the Northstar what's his name?
  6. Do N* heads crack EVER?
  7. New Exhaust
  8. Head Studs?
  9. Removing pully?
  10. White "burned" spark plugs?
  11. What Oil?
  12. Variable Valve Northstar question
  13. HELP!! '96 Deville Starting Problem
  14. Nitrous Wet Or Dry???
  15. Help! 94 Concors
  16. !996 Cadillac Deville Exhaust Smoke Problem
  17. RPM steadily increasing (93 N*)
  18. starter
  19. Opinions on head gaskets vs. engine swap?
  20. Water pump 'sound'?
  21. 10% alcohol fuel...bad news
  22. Needed ASAP:Fuel pump replacement for 1996 Deville
  23. Post Tune-Up questions
  24. Half case leak check
  25. o2 Sensor Help
  26. Throttle Body?- 95 SLS
  27. HELP! 5-6 sec. Cold Starts
  28. My car is about to get sold.
  29. Advice on engine miss and motor mount
  30. 1996 Eldorado ETC overheating.
  31. Spark Plug question for N*
  32. 92 cadillac deville won't start
  33. Timecerts pulled out !
  34. Fuel rail recall expanded
  35. 97 overheating update/helms/questions
  36. Identifing a part (1993 STS - N*)
  37. Dealer Says I Need A New Engine: PLEASE HELP
  38. P0441 Whats this caused by?
  39. Leaking Head gasket cause miss at idle?
  40. from active 2 passive shocks
  41. Water pump belt
  42. Throttle Body Question
  43. need trouble code definitions
  44. Dtc P0503 1520 And Transmission Slip
  45. My 97 Deville is hard to start only when cold
  46. Fuel Gauge Damage by High Sulphur Content
  47. Aurora specs-parts?
  48. Coolant type HELP!!!!
  49. Sources for water pump pulley puller/installer
  50. Stupid muffler question!!!
  51. Differences between the VIN 9 and Y
  52. Northstar overheating
  53. Performance mufflers reliability
  54. Oil pressure sensor on Northstar
  55. How many miles on your N*?
  56. Mobil 1 Now Required ??
  57. is the northstar junk?
  58. 98 STS Staled Out! and wont start.
  59. North* pros and cons?
  60. STS Engine installed IMPECCABLE JOB!!!
  61. Thanks on the 97 overheating
  62. Towing with a STS...
  63. 97 eldo missfiring
  64. North* oil pan removal ELDO ETC
  65. Throttle Body
  66. Northsatr question (years)
  67. 1999 Caddy stalls while driving
  68. Misfire and P046
  69. 94' SLS oil leak?
  70. 02 Deville keeps dying...please help!
  71. radiator replacement
  72. PCM code p039
  73. 97 ETC overheating questions
  74. Bars Leak "Oil additive" not Coolant!!
  75. WTF? Intake Manifold Noise?
  76. Northstar main cap bolts
  77. 2002 Deville poor gas mileage
  78. best repair manual for 97 eldo
  79. who fixes your caddy?
  80. plug wires 97 etc
  81. N* Summer Maintenence
  82. transaxle shift relays?
  83. northstar as a plane engine?
  84. How does the PCM know what gear it's in?
  85. Screwed up water pump
  86. Head gasket price/strategy?
  87. TCC stuck OFF
  88. waterpump
  89. 97 ETC overheating
  90. Changing Coolant and the Right Number of Tablets
  91. Shh, it happened! then starting with 2 simple questions...
  92. Mid-grade fuel?
  93. North* easy tune up
  94. more top end speed
  95. My New 94 Eldorado
  96. Starts fine when cold, hesitates when warm...
  97. Northstar using unleaded fuel?
  98. It's Alive again
  99. Need water pump help ASAP!!
  100. Changing final gear ratio
  101. Changing '96 head gaskets....What else?
  102. Problem with RSS
  103. fuel pump pressure
  104. No heat inside the car
  105. Engine Coolant Change out
  106. Coolant question, 4.6 northstar
  107. Intake/Fuel Problem?
  108. Galloping Goose
  109. Engine Mountings 98 STS
  110. Which Brand Spark Plug is the best for 98 Deville?
  111. Redrilled cam sprockets vs aftermarket cams
  112. Dyno2000 Northstar File
  113. Procedure for removing and replacing heater core
  114. Pcm?
  115. Baffle Plat.. Bad design in older N*
  116. Motor Mounts for 97 sts
  117. N* & Mityvac Fluid Evacuator?
  118. Attn Phil!!!!
  119. north swap
  120. Mods for my 93 STS????
  121. Need to know ASAP: # of bellhousing bolts
  122. Gray exhaust smoke - '96 SLS
  123. '94 Northstar Rebuild--Need Specs.. Help?
  124. Mounts and Shocks
  125. Oil Consumption with the Northstar - any problems?
  126. Bonneville GPX/Northstar
  127. Question on switching from Premium to Ethanol Blended gas
  128. Cold driveability problem - '96 SLS LD8 128K
  129. 120 Mph Speed Limit??????
  130. Thoughts on "Royal Purple" oil ?
  131. Better mileage on regular?!?
  132. 112 mph limiter
  133. Air Filter box - more air???
  134. is WOT mandatory for a deville 2000
  135. Specified Northstar Max RPM Vs. Actual on Tach
  136. Coolant Capacity for 97 DeVille?
  137. Check out the codes in my 97 Deville... what do they mean ?
  138. Fleetwood Fuel Pump
  139. Engine Locked Up!!!!!!!!!!!! Neeed Help!!!!....please
  140. It's Aliiive! *evil cackle*
  141. Bad Fuel Pressure regulator ?
  142. 96 Eldo overheating
  143. trans/motor mounts
  144. Help with Intake cover & gasket
  145. Starter problems on my 94 N*
  146. N* Head Milling Machining
  147. Tricks to Change Fuel Pump 97 STS??
  148. Coolant problem - please help!!!
  149. 95 Aurora hard to start !!
  150. Just bought my Caddy, need help !!! PLEASE !!!
  151. Compression Test for Head Gasket Leak
  152. 95,sts cooling ????
  153. What Went Wrong ???
  154. Coolant pellets, how often?
  155. 94 ENGINE fit a 98??
  156. error sorry
  157. i got my n*
  158. JB metalweld
  159. Friends Used 1999 DeVille
  160. N* Rear Headgasket - replace in the car?
  161. wood grain steering wheel
  162. replacing cams on N*
  163. How do you explain the northstar's short comings?
  164. Easy Serpentine Belt Threading
  165. 96 STS Service Emissions System Service Engine Light
  166. radiator fans?
  167. Missing?
  168. Plugs and Plug Wires
  169. Headgasket - How long, how much?
  170. 97 Deville: Digital Fuel Gauge Problem
  171. After WOT engine started missing.
  172. RWD Northstar(s)?
  173. sorry+question
  174. wut ^ all got a newb question/story
  175. Torque test and gas cut off?
  176. Cams replaced 2000 DTS
  177. 15W-40 Oil?
  178. Tune-up on 1999 Deville D'Elagance
  179. Ugh.. Broken drill bit.......
  180. A/C Condensor removal ...
  181. supercharger on my eldo
  182. My problem
  183. modular fuel rail?
  184. HELP Car not starting!
  185. Vote for CTS-V NOW
  186. Northstar idle
  187. Is my A/C compressor toast?
  188. Performance Chip!!!
  189. A/C Compressor Clutch
  190. coolant change procedure
  191. $4500 to replace head gasket...
  192. 94 concourse running rough
  193. 94 coolant leak
  194. Engine Out Bottom or Top?
  195. Water Pumps
  196. p076, transmission pressure solenoid help
  197. Transmission pan and Intake Manifold cover
  198. No TCC lock-up
  199. Trans. going out?
  200. Northstar worries
  201. dloch - &others swapping intakes...
  202. Bonneville GXP owners FYI
  203. bbob- help!
  204. Low oil pressure?
  205. 2x4s - raising the intake manifold
  206. Bbob
  207. I figured it out!!!...Almost..:(
  208. Northstar error codes, OBD1 and OBD2
  209. after market chip up date?
  210. I think I'm cross-eyed
  211. Code T061 What Is It? How To Diag?
  212. N* cylinder heads question, Bbob
  213. finally got a code help help
  214. Norstar Leaking Enginer ...............CURE !
  215. 1995 eldorado northstar
  216. high idle
  217. Any word on the S/C project?
  218. 7 seconds before start.,
  219. Started removing the northstar
  220. Coolant Temp
  221. does a Northstar have lifters-how to replace
  222. 4.6 Northstar Engine mod question.
  223. All kinds of noises
  224. I Think I Threw a Rod
  225. 2000 Eldorado using oil???
  226. Diagnostic codes
  227. Northstar aftermarket and tuneability questions
  228. Diesel oil in gasoline engines...BBob, opinion?
  229. Lawrence Look
  230. what is wrong my engine or converter
  231. Bbob Look
  232. 93 Eldo cuts out on accel and shorts in Radio
  233. Seville not running right
  234. Alternating Types of OIL
  235. 96 Eldo jerking
  236. Head torque sequence
  237. Tool Hunt
  238. Tire Recommendation For 2000 Deville
  239. Have Questions About An Eldorado
  240. Swapping heads 94 -> 96
  241. Trans or Oil Cooler ?
  242. Oil leak is from pan
  243. me=moron
  244. Different Oil for Leaky Seals?
  245. Head vs. intake manifold gasket/overheating
  246. 98 STS spewed coolant...
  247. n*= @#$%^&*(
  248. 97 concours steering
  249. change trans fluid?
  250. HELP!!! my eldorados crazy.