: Northstar Engines and System Technical Discussion



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  1. any help would be great tranny will not shift
  2. serpentine belt replacement
  3. Another overheating thread
  4. 2004 DHS - hard start, engine run problems
  5. Jake - Northstar Performance - your in-box is FULL -
  6. Arizona Northstar repair shop ?
  7. 98 Eldorado water cooled alternator doesn't charge when cold
  8. 1994 Eldorado - coolant leaks
  9. Coppery substance in coolant?
  10. size of bolt - torque converter to flexplate
  11. Pre 2000 Northstar Crankshaft Position Sensors
  12. Replacing Coolant Crossover
  13. cooling system seal tablet
  14. 2002 STS Coolant Crossover Gaskets
  15. head gasket
  16. Suprise... Headgaskets
  17. Cost to replace oil pan gasket?
  18. Need help - considering a Northstar build for an ElCamino
  19. Dipstick reading
  20. North Star head bolt problem
  21. Spark plugs - 1997 Y Northstar
  22. first Cadillac questons about Northstar
  23. Head Bolt/stud question
  24. Just bought a 1995 Eldorado..was wondering what I should be looking at for maintenane
  25. 1999 SLS - apparent overheating ?
  26. Engine tap
  27. Compression And Leak Down Results.....Cam/Valve Timing Observation Discussion
  28. Why at the beginning of fuel rail and not end?
  29. 1999 DeVille coolant leak
  30. '97-won't start (fire)
  31. My Grandmothers Friend's 2000 STS has Misfire. She has a question
  32. P0507 Idle speed high after engine removal
  33. Engine block identification
  34. Cylinder Head Problems - 2005 DTS
  35. '99 Northstar head bolt torque values
  36. 1996 Deville - no fuel at the rail
  37. 2000 Deville - dead batteries, no crank
  38. Engine cradle pulling down...
  39. 1996 Concours Oxygen Sensors
  40. 2000 - 2004 PCV piping question
  41. Help with a possible head gasket issue...2002 SLS
  42. Northstar 2001 Head Gasket Repair - Charlotte, North Carolina
  43. Northstar Engine Problems, were they ever corrected in production by GM??
  44. Anyone Ever Use A Company In Jersey Called Top Line Auto Care
  45. surge tank cap pressure
  46. Heater Pipe Adapter Part #?
  47. What Is This Gasket
  48. Northstar fuel fouling on Bank 2 good on Bank 1
  49. Thought I'd never buy another Northstar but...
  50. 2002 DTS transmission codes P 1860, P 0741
  51. Head gasket replacement
  52. Introduction - 1997 SLS with problems
  53. engine swap 2004 to a 1997 deville
  54. Northstar Engine Build Center, Batavia, NY - Northstar Performance LLC
  55. Snapped Main Bearing Bolts
  56. Head gasket question
  57. '97 DeVille NorthStar location of oil pressure switch?
  58. 2005 STS - Northstar longevity
  59. Cam Removal
  60. 2002 STS More Horsepower (Solid & Safe)
  61. Manifold over pressure valve - 1996 Northstar
  62. 2005 Deville 48k mi rough idle in morning. Thinking it could be HG issue.
  63. Not ready to give up - 1997 VIN Y Deville engine work
  64. 1999 STS Losing Coolant Possible Head Gasket
  65. Northstar wine
  66. Northstar Performance - officially offering custom PCM tuning January 2015
  67. Fuel rail and injector work on 2002 Deville
  68. Northstar VIN 9 - 2002 - engine exhaust work
  69. oil in coolant-'99 deville
  70. Northstar using excessive oil
  71. 2002 Deville AIR pump cover replacement
  72. 2002 Northstar VIN Y>9 cam swap and P/N questions - cam TSB
  73. 97 deville Help with rear coolant leak
  74. Boost and engine management - 1997 Eldorado base
  75. Cam cover bolts loose
  76. Possible HG leak in '01 SLS
  77. Upper front coolant pipe- 2000 ESC
  78. Northstar Motor Swap - 2008 into 2001 car
  79. Weird oil leak - 2002 Deville
  80. 02 Deville base different color valve covers?
  81. Northstar flexplate bolt circle question
  82. LH2 swap into another car ; questions about the northstar and computer
  83. Northstar rebuild 01 eldo
  84. No acceleration... 2003 Deville
  85. 2000 Deville misfire cylinders 1 and 2
  86. Should this come off easily?
  87. Northstar exercise and driving style
  88. 2003 Deville starter motor location
  89. 1993 4.6L Northstar engine swap into hotrod project.
  90. Whining noise at startup - 2001 Eldorado
  91. Rough idle 99'
  92. Installing a crank kit in a 99 sls
  93. very quick temp spike then normal
  94. $150 made $1,000 worth of difference
  95. Question & Video of movement in secondary cam chain
  96. 1994 SLS no-start problems
  97. What is a good operating temperature?
  98. P0336 -Crankshaft Position Sensor 'A'
  99. How to tell which valve lash adjuster is faulty.
  100. Time for HG repair
  101. icm (ignition control module) problem keeps going out
  102. How to know if you have already entered some inserts in my engine?
  103. 2000 Northstar Strange Starter Issue?
  104. 99 Northstar rebuild questions
  105. Northstars sorted out yet?
  106. 4.6 white smoke issue
  107. Northstar and a turbo
  108. 2003 Deville misfire when warm
  109. 02 Deville 90k - low idle
  110. Need bolt torque specs: Flywheel, Torque Converter, Trans bolts.
  111. All of a sudden 2003 Deville developed a miss
  112. Northstar swap wiring harness question
  113. Any shops that know the N* near Ft. Walton Beach,FL ?
  114. replacing the oil pan in a 2000 deville
  115. Northstar - AIR valves ?
  116. 1994 N* Fuel Pressure Regulator
  117. New Northstar Engines
  118. Timing Chain Guide Adapt - 98+ to the old style engines
  119. 97' ETC check engine gives all O2 codes
  120. Northstar Overhaul Shop near Southern Maine, NH or MA
  121. Finished Replacement Front Engine Mount
  122. Studs officially shipping from the USA - thanks to JoeTahoe
  123. what to check when buying a northstar?
  124. Can I run 40W or 50w OIL on my NORTHSTAR 4.6? I live in very HOT WEATHER
  125. How to check for Hydrolock?
  126. 1999 Deville smokes at idle
  127. 2002 Deville - Knock sensor ?
  128. 96 Deville - Misfire on #8
  129. MAP sensor location critical ?
  130. 93-94 Northstar Water Pump Tensioner
  131. Please post recommended Northstar Repair Shops in Florida
  132. Cradle won't drop on 98 STS
  133. Replaced old radiator due to crack, overheats with new radiator.. PLEASE HELP
  134. 4 Bad Headgaskets
  135. What is involved in swapping a 93 Edo vin9 with a 95 viny (is it doable) ?????
  136. Swap Nightmare
  137. 2000 Deville possible overheat
  138. EVAP code P 0442
  139. Deville Northtar engine swap and PCM problems
  140. 04 Deville - engine upgrades
  141. 2001 Deville: Won't stay running while in drive
  142. Nortstar engine removal.
  143. Engine overheat and oil in coolant - 2001 STS
  144. What do you like about your Northstar powered vehicle?
  145. Is it possible to remove the cams and keep the timing chain tensioner in place?
  146. Low coolant sensor
  147. 1999 STS leaking coolant
  148. My story: HG headgasket failure
  149. LH2 Swap - Issue starting
  150. Oil/coolant mixing
  151. Throttle Position Sensor relearn ??
  152. 2000 & up Seville air intake resonator
  153. 2001 Seville engine overhaul questions
  154. 2000 Deville Fuel Pressure Specs
  155. 2002 Deville rough idle
  156. 99 eldorado 02 sensors
  157. Oil Pressure Sending Unit - SRX
  158. P0308 #8 Misfire issue... Replaced a lot, still have issue
  159. 99 STS hard cold start. No codes, fpr tests ok and fuel is 44 psi running
  160. A method to remove Crankshaft bolt without locking the flywheel or using the starter.
  161. 2002 Deville AIR pump Vacuum line Routing
  162. 1999 Deville Headgasket - head job or total overhaul ?
  163. 2001 deville engine making kocking noise
  164. 2002 Deville Overheating after Thermostat replacement
  165. Water pump drive pulley
  166. Special tool for Northstar water pump drive pulley
  167. Reliability of 2005 and beyond Northstar-powered cars
  168. Harmonic Balancer Torque
  169. Need advice on who to do a Northstar head job in the Huntsville Alabama area
  170. NGK Spark plugs & coolant level message - 2003 Deville
  171. Get a Free set of Main Studs with Purchase of Sure Grip Cylinder Head Stud Kit
  172. Developed an engine whine... what is it?
  173. Please help with PCM issue on 1993 Allante
  174. limp mode..now misfire
  175. Water cooled alternator - what years/models ?
  176. O2 Sensors in a Hot Rod Set-up
  177. 2002 Northstar WOT, performance brakes, CORSA ?
  178. 1996 and later Northstar performance chips
  179. Magnaflows on a 2003 Deville
  180. socket down camshaft drive chain slot
  181. coolant drip middle front lower
  182. 2005 STS Camshaft Sensor Location? V8 4.6 engine
  183. Pcm issue or camshaft issue any help
  184. Rail / Injector Leak Deville 99
  185. Northstar chips, cold air intakes, and spark plugs
  186. coil on plug ignition modules
  187. Mystery Check Engine Light
  188. Only starts with starting fluid - '97 SLS
  189. 99 STS head gasket repair [ in car]
  190. Problem with 97 Eldorado. P 0300...
  191. 02 Cooling building back pressure. Purge line clear.
  192. 1998 STS coolant change
  193. Mystery Black Wire
  194. Oil pressure
  195. 98 deville, uses oil? but how
  196. What year is my Northstar motor, and what cars will it drop into?
  197. trouble with spark from coil packs
  198. Replace and Reprogram PCM 2001 DTS
  199. 1995 SLS - Poor idle quality
  200. Oil Pan Gasket and Permatex UltraGray placement
  201. 98 Deville, changing the coolant, sealant tabs?
  202. 2000 series Northstar water pump will not come out
  203. Fuel pressure regulator
  204. 2003 Deville - exhaust steaming and coolant loss
  205. Can't remove Water Pump Drive pulley.. ever seen one that is stuck?
  206. Best Rear Main Seal Fix?
  207. Critique my coolant flush method
  208. Oil pressure light - 1998 Deville Northstar
  209. 1994 Eldorado thermostat replacement and coolant leak
  210. EGR Tubing
  211. '02 Seville was running fine, now it's not ?
  212. flex tube exhaust
  213. 01 Northstar Water in oil, high oil use, misses when cold.
  214. Coolant Leak Source? (pictures)
  215. When to reseal case halves?
  216. Look what I found in my engine!
  217. Puzzling Clattering Noise During Warm Startups
  218. HG's vs Pulled Threads
  219. Cat problems?
  220. Oil leaks on 1998 ElDorado
  221. 2000+ Intake Manifold on 1998 Northstar
  222. 2001 Deville - coolant boiling in reservoir
  223. Problem with my 1994 Eldorado engine - smoking
  224. code P 0171, P 0174 - solved
  225. Unable to communicate with the console cluster
  226. North Star Engine Disappointment (copy)
  227. SJ - API oil
  228. 97 ETC exhaust manifold fasterners.
  229. Fix the engine, (HG), replace the engine?
  230. Where does this go...?
  231. PCV Valve Elbow?
  232. Pics of my oil leaks
  233. combustion leak tester
  234. Anyone used Lucas Engine Stop Leak?
  235. Water pump issue, mostly? 1994 STS
  236. 98 Deville Water Pump Fail After Serpentine Belt Replaced
  237. Water Pump - Failing When Hot
  238. Oil Pan Leak?
  239. 2002 Deville misfire on Northstar
  240. I'm gonna do a block test today
  241. Car keeps overheating
  242. Service fuel system
  243. radiator cap # ?
  244. Northstar Loan-A-Tool Program, USA shipping on stud kits
  245. EGR Major Issues..help!
  246. 2000 Deville surging?
  247. 1998 STS crankshaft position sensors location
  248. Deville engine swaps and differences
  249. Water pump won't break
  250. New business pratices and standards coming into effect Apr 15/2014