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View Full Version : Northstar Performance and Technical Discussion

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  1. Homemade Valve Spring Compressor
  2. What Should I Pay For Eibachs?
  3. Trans Fluid/Filter change and Coolant drain/refill...
  4. Randomly Creeping High Idle Problem
  5. Stock spark plug wires, 7 or 8 mm?
  6. transmission oil looks dark :S
  7. how many cubic inches
  8. Northstar coil pack firing order
  9. '96 Sls: P1406: Egr
  10. GM Oil Consumption TSB, 2007
  11. Dexcool/Peak coolant
  12. noobie questions
  13. God a northstar sounds sexy, but does something sound odd
  14. Coolant leak...
  15. Northstar motor install
  16. overheating, waterpump? 2002 deville w/ 120k miles
  17. Transmission won't "kickdown" 1994 Eldorado
  18. Blocks cracking on final head torque?
  19. How to remove timeserts?
  20. crankshaft postion sensor
  21. '05 STS - Slipping Transmission at low MPH
  22. rear wheel drive conversion
  23. Cadillac Overheating Issues
  24. humming noise
  25. Clogged vacuum port to fuel pressure regulator
  26. thermostat starting to rise in strange way
  27. overheating , but ez fix?
  28. intermittent "hard start" when car at operating temp
  29. How to tell if block is timeserted?
  30. HELP ME!!!! What is the difference between ECON and Auto
  31. clogged cat = overheating?
  32. 2000-up coil pack crack
  33. 93 sts trans solenoids?
  34. Sealing off a blown head gasket
  35. Rear Main Seal
  36. Oil Life % vs. Reality
  37. Time out!!
  38. engines misses after teardown
  39. 93 STS Northstar won't start
  40. Motor build for sand rail
  41. What kind of gas mileage do you get with your Northstar?
  42. crank sensors
  43. 4.0 Northstar No Start PLEASE HELP!!!
  44. What Northstar do I have?
  45. 96 Eldorado ETC - Blown head gasket
  46. Radiator hoses
  47. headgasket pics
  48. Converter Size
  49. Cylinder Head Reconditioning
  50. 02 sts N* Engine knock
  51. MAF Issues
  52. Oil Pressure Issue - 2000 Cadillac DeVille
  53. Northstar mechanic in the Massachusetts??
  54. Need Help
  55. 93 sts misses and no 2-3 shift
  56. Good fresh tim-serted 94' SLS engine on ebay.
  57. Help, still overheating after headgasket job .
  58. Cooling fan motor bad?
  59. Roots style S/C for the northstar. Anytakers?
  60. front HVAC blower not working on 2000 deville
  61. 1995 STS won't start
  62. 94 4.6L SLS/STS Engine on Ebay
  63. oil level sensor
  64. Thought I had all the parts
  65. '99 Deville stalled and wont start
  66. 96 Deville stumbles on acceleration
  67. Spark Plug Gap
  68. P094 code
  69. 2001 Northstar 4.6 in 99 sts body??
  70. Short runner intake
  71. Bad Waterpump???
  72. Making a trip to fastchip
  73. Fan runs while car is shut off
  74. 94 Seville w/ 93 Engine & Trans (from Eldorado) Shift Problem
  75. Backfired while starting, now I have a miss!
  76. Octane Boosters
  77. Code Question
  78. sluggish n* in a 96 eldo
  79. 03 4.6 Loud engine knock caused by roller rockers
  80. I did the intake and exhaust and no difference
  81. looking at a scangauge 2 / question about pulling codes
  82. starter gives a single click
  83. PCM Data, PD42 Octane?
  84. Made the switch to Rotella...
  85. Crank seal replacement cost??
  86. Headlight problem!
  87. 99 STS blown head gasket. what to do??
  88. Turning off Injectors = Save fuel?
  89. A/C Question
  90. Two pricing question
  91. 1995 STS Performance ?
  92. I052 Code + Stalling + Instrument Panel Reset
  93. Oil pressure Sending Unit
  94. P/S pump leak
  95. Oil Leak
  96. "Low Refrigerant" & "A/C Compressor Off" B1348
  97. 95 Deville Concours performance
  98. '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?
  99. new exhaust with #s
  100. Main bearing Torque Values? '94 4.6L SLS
  101. What tools needed to replace idle control motor on N*?
  102. Sooty Stalling 98 Deville
  103. New N* Owner - What to look for?
  104. Will the REAL Dexcool Please Stand Up?
  105. Rustling noise and loss of power
  106. Mass air flow sensor Help please
  107. oil cooler
  108. Engine just dies
  109. Swapping Engine To A Non-Northstar
  110. I have a little oil in the spark plug wells, anything to worry about?
  111. setting timing
  112. How about a Northstar Survival Guide
  113. what color is dexcool?
  114. Engine revving on its own
  115. Northstar remanufactured engine source
  116. "If it wasn't for bad luck....you know the rest
  117. Hitting 150k or more, is it realistic on my car?
  118. Time-Sert
  119. Bouncing Idle, new sparkplugs and oil after seafoam or TEC?
  120. front motor mount
  121. Is it Normal to Leak????
  122. Power steering leak
  123. 99 Northstar burning coolant somewhere!
  124. Data loging with performance monitoring and measuring devices
  125. Help With My 99' N* Hg Job
  126. Low oil pressure warning
  127. engine-trans bolts
  128. Valve Train Ticking
  129. What peformance chip is better for 02 dts?
  130. Wrong headbolts
  131. Changing HG, will heads be ok?
  132. N* Stock Internals
  133. Oil missing from pan
  134. 93-99 Dis ????
  135. So, i just talked to one of the engineers at GM that worked on the northstar
  136. 02 deville spark plug replacement
  137. Finding New Mechanic: Questions to Ask
  138. Myth!!!!! Octane 99 and prior VS 00+
  139. Interesting problem - highway stalling
  140. just installed alternator, NOW WHAT!
  141. How much horsepower in 1997 Professional Chassis (Limo)?
  142. A\C Question!!!!!!!!!!!!!!
  143. How to get out cylinder head alignment bushings???
  144. Tim Allens 400HP naturally asp. N*
  145. cracked engine block
  146. 1997 DeVille Head Gasket Repair
  147. Solid Motor Mount?
  148. lower motor mount
  149. low oil pressure / battery no charge on DIC
  150. '98 STS Camshaft
  151. 05 DTS Northstar fuel economy
  152. Leaking Head Gaskets & Extended Warranty
  153. p1375 icm 24x reference voltage too high and p1350 ignition control system
  154. 00 deville cylinder #4
  155. Northstar overheating causes
  156. locating dowels
  157. 00 deville P0300
  158. Changing spark plugs on a Northstar
  159. can't find anyone who knows the answer
  160. 94 sts strange issue
  161. 30,000 mile service
  162. 98 sts bogging and backfiring
  163. symptoms and cuases of headgasket
  164. 2007 Northstar VIN A PCM Pinouts
  165. Interesting Observation with Volant.
  166. Suggest new catorgory"Northstar Tuning"
  167. Question about Dexcool for the Northstar 4.6
  168. 99 STS in Distress
  169. p0300 Engine Misfire
  170. Need Some Feedback
  171. P0171 and P0174 codes: Intake leak?
  172. TC0073 ???? I have searched with not a REAL answer
  173. carbon on tailpipes, and why?
  174. are time serts asbsolutely necessary
  175. Replacing various parts
  176. new radiator
  177. N* HG Repair, Drop cradle or Pull engine?
  178. Cheap Mechanic in Des Moines?
  179. Cooling Fans NEED HELP.
  180. P094 = Tranny rebuilt?
  181. Problems with N* motor
  182. Considering used Northstar- need advice
  183. More Northstar head gasket questions...
  184. Help with two noises from '97 Northstar
  185. i need help on how to change my headgasket on my 99 seville sls
  186. Back Pressure in Cooling System?
  187. what is OBDII
  188. WANTED Time Sert Kit Rental
  189. **Update** Head gasket on 99 Deville
  190. '94 N* Touring coupe with PO37 code?
  191. Check Engine Codes, vibration
  192. 94 STS Won't accelerate w/o almost stalling the engine.
  193. broken coolant reservoir in my N*
  194. Water pump replacement
  195. 2000 N* is it safe to fill it with a non sinthetic oil?
  196. Sudden drop in fuel economy with AC on
  197. Lambo V12 similiar to N*?
  198. Timing chain tensioner tool
  199. Could a bad catalytic converter also decrease my gas mileage?
  200. Is DEX save for engines?
  201. still overheating
  202. Replaced your Power Steering Pump? Come on IN!!!
  203. 01Deville MISFIRE
  204. 99 N* Issue
  205. bad cylinder
  206. Think Northstar headgaskets are expensive??
  207. Coolant Smell after Shut Down?
  208. 00 DeVille check coolant level
  209. dyno #s
  210. Aurora N* questions
  211. Cheapest way to do HG's?????
  212. I found my leak, now i need help
  213. Is the N* overrated?
  214. Northstar crate or rebuild??
  215. Timesert pulled when torquing headbolts-What Now??
  216. I Need Cheap 97 insert kit
  217. 99 Deville over heating NOT HG I think
  218. 02/03 Alternator regulator
  219. 98 deville fluttering sound
  220. A/C Recharging Help
  221. 99 ELDO coolant level Question.
  222. Sign of upcoming headgasket problem?
  223. head bolts
  224. tachometer like a rollercoaster...
  225. overheating problem
  226. Northstar owner loosing faith
  227. Fuel Injector Problem I Think
  228. Transmission Fluid
  229. Alternator
  230. Coolant Loss and Overheating
  231. Harmonic Balancer. Dangerous?
  232. Someone please help, i need to know whats this part.
  233. Suspension compressor lube and NRV - help!
  234. Superchargers are here!
  235. 93 to 99 O/H assembly
  236. 93 to 99 Northstar dis-assembly and inspection
  237. RWD Northstar information
  238. 2000 to 2004 or 5 Northstar information
  239. 4.4L information
  240. Northstar "check coolant level" -- trying to understand basics
  241. Northstar head gaskets replaced -- a good thing?
  242. Head Bolt Torque Value?
  243. Biggest Question To All..
  244. Re-mounting PCM - Idea?
  245. Coolant use
  246. How to clean Piston Rings my way
  247. 4T80E 3.11 to 3.71 swap
  248. Differences in Northstars - '93-'97, also cheap head gasket fix...
  249. What weight and type oil to use?
  250. Rochester QJ and N* Throttlebodies