: Northstar Engines and System Technical Discussion



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  1. Northstar Engine Build Center, Batavia, NY - Northstar Performance LLC
  2. Snapped Main Bearing Bolts
  3. Head gasket question
  4. '97 DeVille NorthStar location of oil pressure switch?
  5. 2005 STS - Northstar longevity
  6. Cam Removal
  7. 2002 STS More Horsepower (Solid & Safe)
  8. Manifold over pressure valve - 1996 Northstar
  9. 2005 Deville 48k mi rough idle in morning. Thinking it could be HG issue.
  10. Not ready to give up - 1997 VIN Y Deville engine work
  11. 1999 STS Losing Coolant Possible Head Gasket
  12. Northstar wine
  13. Northstar Performance - officially offering custom PCM tuning January 2015
  14. Fuel rail and injector work on 2002 Deville
  15. Northstar VIN 9 - 2002 - engine exhaust work
  16. oil in coolant-'99 deville
  17. Northstar using excessive oil
  18. 2002 Deville AIR pump cover replacement
  19. 2002 Northstar VIN Y>9 cam swap and P/N questions - cam TSB
  20. 97 deville Help with rear coolant leak
  21. Boost and engine management - 1997 Eldorado base
  22. Cam cover bolts loose
  23. Possible HG leak in '01 SLS
  24. Upper front coolant pipe- 2000 ESC
  25. Northstar Motor Swap - 2008 into 2001 car
  26. Weird oil leak - 2002 Deville
  27. 02 Deville base different color valve covers?
  28. Northstar flexplate bolt circle question
  29. LH2 swap into another car ; questions about the northstar and computer
  30. Northstar rebuild 01 eldo
  31. No acceleration... 2003 Deville
  32. 2000 Deville misfire cylinders 1 and 2
  33. Should this come off easily?
  34. Northstar exercise and driving style
  35. 2003 Deville starter motor location
  36. 1993 4.6L Northstar engine swap into hotrod project.
  37. Whining noise at startup - 2001 Eldorado
  38. Rough idle 99'
  39. Installing a crank kit in a 99 sls
  40. very quick temp spike then normal
  41. $150 made $1,000 worth of difference
  42. Question & Video of movement in secondary cam chain
  43. 1994 SLS no-start problems
  44. What is a good operating temperature?
  45. P0336 -Crankshaft Position Sensor 'A'
  46. How to tell which valve lash adjuster is faulty.
  47. Time for HG repair
  48. icm (ignition control module) problem keeps going out
  49. How to know if you have already entered some inserts in my engine?
  50. 2000 Northstar Strange Starter Issue?
  51. 99 Northstar rebuild questions
  52. Northstars sorted out yet?
  53. 4.6 white smoke issue
  54. Northstar and a turbo
  55. 2003 Deville misfire when warm
  56. 02 Deville 90k - low idle
  57. Need bolt torque specs: Flywheel, Torque Converter, Trans bolts.
  58. All of a sudden 2003 Deville developed a miss
  59. Northstar swap wiring harness question
  60. Please post a State & City guide to Northstar Head Gasket repair shops that you know
  61. replacing the oil pan in a 2000 deville
  62. Northstar - AIR valves ?
  63. 1994 N* Fuel Pressure Regulator
  64. New Northstar Engines
  65. Timing Chain Guide Adapt - 98+ to the old style engines
  66. 97' ETC check engine gives all O2 codes
  67. Northstar Overhaul Shop near Southern Maine, NH or MA
  68. Finished Replacement Front Engine Mount
  69. Studs officially shipping from the USA - thanks to JoeTahoe
  70. what to check when buying a northstar?
  71. Can I run 40W or 50w OIL on my NORTHSTAR 4.6? I live in very HOT WEATHER
  72. How to check for Hydrolock?
  73. 1999 Deville smokes at idle
  74. 2002 Deville - Knock sensor ?
  75. 96 Deville - Misfire on #8
  76. MAP sensor location critical ?
  77. 93-94 Northstar Water Pump Tensioner
  78. Please post recommended Northstar Repair Shops in Florida
  79. Cradle won't drop on 98 STS
  80. Replaced old radiator due to crack, overheats with new radiator.. PLEASE HELP
  81. 4 Bad Headgaskets
  82. What is involved in swapping a 93 Edo vin9 with a 95 viny (is it doable) ?????
  83. Swap Nightmare
  84. 2000 Deville possible overheat
  85. EVAP code P 0442
  86. Deville Northtar engine swap and PCM problems
  87. 04 Deville - engine upgrades
  88. 2001 Deville: Won't stay running while in drive
  89. Nortstar engine removal.
  90. Engine overheat and oil in coolant - 2001 STS
  91. What do you like about your Northstar powered vehicle?
  92. Is it possible to remove the cams and keep the timing chain tensioner in place?
  93. Low coolant sensor
  94. 1999 STS leaking coolant
  95. My story: HG headgasket failure
  96. LH2 Swap - Issue starting
  97. Oil/coolant mixing
  98. Throttle Position Sensor relearn ??
  99. 2000 & up Seville air intake resonator
  100. 2001 Seville engine overhaul questions
  101. 2000 Deville Fuel Pressure Specs
  102. 2002 Deville rough idle
  103. 99 eldorado 02 sensors
  104. Oil Pressure Sending Unit - SRX
  105. P0308 #8 Misfire issue... Replaced a lot, still have issue
  106. 99 STS hard cold start. No codes, fpr tests ok and fuel is 44 psi running
  107. A method to remove Crankshaft bolt without locking the flywheel or using the starter.
  108. 2002 Deville AIR pump Vacuum line Routing
  109. 1999 Deville Headgasket - head job or total overhaul ?
  110. 2001 deville engine making kocking noise
  111. 2002 Deville Overheating after Thermostat replacement
  112. Water pump drive pulley
  113. Special tool for Northstar water pump drive pulley
  114. Reliability of 2005 and beyond Northstar-powered cars
  115. Harmonic Balancer Torque
  116. Need advice on who to do a Northstar head job in the Huntsville Alabama area
  117. NGK Spark plugs & coolant level message - 2003 Deville
  118. Get a Free set of Main Studs with Purchase of Sure Grip Cylinder Head Stud Kit
  119. Developed an engine whine... what is it?
  120. Please help with PCM issue on 1993 Allante
  121. limp mode..now misfire
  122. Water cooled alternator - what years/models ?
  123. O2 Sensors in a Hot Rod Set-up
  124. 2002 Northstar WOT, performance brakes, CORSA ?
  125. 1996 and later Northstar performance chips
  126. Magnaflows on a 2003 Deville
  127. socket down camshaft drive chain slot
  128. coolant drip middle front lower
  129. 2005 STS Camshaft Sensor Location? V8 4.6 engine
  130. Pcm issue or camshaft issue any help
  131. Rail / Injector Leak Deville 99
  132. Northstar chips, cold air intakes, and spark plugs
  133. coil on plug ignition modules
  134. Mystery Check Engine Light
  135. Only starts with starting fluid - '97 SLS
  136. 99 STS head gasket repair [ in car]
  137. Problem with 97 Eldorado. P 0300...
  138. 02 Cooling building back pressure. Purge line clear.
  139. 1998 STS coolant change
  140. Mystery Black Wire
  141. Oil pressure
  142. 98 deville, uses oil? but how
  143. What year is my Northstar motor, and what cars will it drop into?
  144. trouble with spark from coil packs
  145. Replace and Reprogram PCM 2001 DTS
  146. 1995 SLS - Poor idle quality
  147. Oil Pan Gasket and Permatex UltraGray placement
  148. 98 Deville, changing the coolant, sealant tabs?
  149. 2000 series Northstar water pump will not come out
  150. Fuel pressure regulator
  151. 2003 Deville - exhaust steaming and coolant loss
  152. Can't remove Water Pump Drive pulley.. ever seen one that is stuck?
  153. Best Rear Main Seal Fix?
  154. Critique my coolant flush method
  155. Oil pressure light - 1998 Deville Northstar
  156. 1994 Eldorado thermostat replacement and coolant leak
  157. EGR Tubing
  158. '02 Seville was running fine, now it's not ?
  159. flex tube exhaust
  160. 01 Northstar Water in oil, high oil use, misses when cold.
  161. Coolant Leak Source? (pictures)
  162. When to reseal case halves?
  163. Look what I found in my engine!
  164. Puzzling Clattering Noise During Warm Startups
  165. HG's vs Pulled Threads
  166. Cat problems?
  167. Oil leaks on 1998 ElDorado
  168. 2000+ Intake Manifold on 1998 Northstar
  169. 2001 Deville - coolant boiling in reservoir
  170. Problem with my 1994 Eldorado engine - smoking
  171. code P 0171, P 0174 - solved
  172. Unable to communicate with the console cluster
  173. North Star Engine Disappointment (copy)
  174. SJ - API oil
  175. 97 ETC exhaust manifold fasterners.
  176. Fix the engine, (HG), replace the engine?
  177. Where does this go...?
  178. PCV Valve Elbow?
  179. Pics of my oil leaks
  180. combustion leak tester
  181. Anyone used Lucas Engine Stop Leak?
  182. Water pump issue, mostly? 1994 STS
  183. 98 Deville Water Pump Fail After Serpentine Belt Replaced
  184. Water Pump - Failing When Hot
  185. Oil Pan Leak?
  186. 2002 Deville misfire on Northstar
  187. I'm gonna do a block test today
  188. Car keeps overheating
  189. Service fuel system
  190. radiator cap # ?
  191. Northstar Loan-A-Tool Program, USA shipping on stud kits
  192. EGR Major Issues..help!
  193. 2000 Deville surging?
  194. 1998 STS crankshaft position sensors location
  195. Deville engine swaps and differences
  196. Water pump won't break
  197. New business pratices and standards coming into effect Apr 15/2014
  198. AIR pump on '99
  199. 1995 STS - multiple crank cold starts
  200. Pre-diagnosing HG issues?
  201. eldo running hot
  202. Which alternator? 94 Deville Concours
  203. My 1994 Deville 4.9 is starting to show some signs.
  204. 1999 deville - replaced water pump - running hot
  205. 2009 Buick Lucerne Headgasket
  206. The American V8 - Anatomy of a Hydrolock
  207. 2005 Deville oil pan seal leak
  208. Vacuum diagram
  209. 1997 STS - Long crank/start times - (Advice / Ideas)
  210. Lower crankcase reseal - 2005 Deville
  211. My sincerest apologies and also thanks -
  212. headbolt inserts
  213. Northstar and carbon cleaning
  214. Running but ............... 2001 Northstar
  215. 2000 DTS - no power
  216. To buy or not to buy.....1998 ESC
  217. 1996 DeVille flex plate replacement
  218. engine oil in intake manifold
  219. 2004 DTS Frustrations... misfires and SES
  220. 2000 SLS powertrain/ cradle removal
  221. 98 deville coolant smell?
  222. 02 N☆ Fuel Pressure
  223. Air intake upgrade - DTS Performance ?
  224. 2007 Engine Knock 4.6 Help
  225. The Caddy lives again - Life after the dreaded head leakage
  226. 1997 Deville - EGR remove & replace
  227. Northstar head bolt hole thread repair options
  228. Northstar Vehicle Production Numbers 1993-2009
  229. 2000 STS - P 0300 - rough idle
  230. 2003 Seville EGR codes
  231. 2004 DHS - CMP location ?
  232. Mechinical buzzing noise from under hood ( 2002 Deville, 150,000)
  233. Blue devil and Norhtstar:
  234. Stalling issue - slow speeds - 1998 ETC
  235. Damaged throttle cable (1998 Deville)
  236. 2000 DTS - correct replacement engine ?
  237. My experience with the water crossover job
  238. Northstar Swap Question
  239. Interesting Listing........ pre-2000 Northstar and transmission
  240. 2001 Deville oil distribution manifold plate seal leak
  241. 1998 Deville has leak at water crossover (150,000 miles)
  242. 2003 Head Gasket Repair
  243. 2006 Northstar engine problems - Buick Lucerne
  244. Water pump? 1999 STS overheating
  245. Northstar swap into a 1987 Fiero GT - engines and differences
  246. Oil Filter Pre-fill
  247. The InFamous N* Oil Leak - Oil Manifold
  248. Engine miss - 1998 Deville
  249. Priming Northstar after total rebuild
  250. Which Rear Main Seal installer do I need for a 1999 DeVille?