: Northstar Engines and System Technical Discussion



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  1. Seafoam - do you use it?
  2. Another N* Oil Pump question
  3. 2005 DTS Head gasket still a problem?
  4. Gforce performance "chip" ?
  5. SureGrip studded Eldo for sale?!!
  6. I'm relocating,,,,new complaints section....
  7. Remote key fob
  8. oil manifold question
  9. How do you clean ring grooves on pistons?
  10. Video. For those who want to see CNC machining in action.
  11. Plugs - Spark plugs for a Northstar ??
  12. Want To Buy N* stud tool kit
  13. What happened? Stored 1996 Deville engine knock
  14. Northstar head gasket repair
  15. WOT problem and P0300 - 2000 Eldorado
  16. Marks Turbocharged 99 STS
  17. water pump leak after replacing pump/seal
  18. Missing shield in cam cover?
  19. tight northstar cam chain
  20. front motor mounts
  21. northstar studs
  22. 2000 Deville - high pitched whistle
  23. 99 Deville HG job 4-2012
  24. I have a set of studs available if someone needs them thanks to my previous thread
  25. DIY Northstar Head Gasket / Crankcase Leak Repair
  26. 1997 Seville temperature problems
  27. Don't Wait More Than 120 days
  28. How to tell if head gaskets have been done before?
  29. Need top compression ring 98 N*....ugghhh
  30. 18mm Northstar Crankbolt needed
  31. 98 Eldorado replacing Engine Torque Mounts
  32. Troubleshooting help
  33. New Northstar Crate Engine
  34. Valve stem seal tool?
  35. Code P070 with stalling and surging-TPS or ISC?
  36. Huge thanks to Joe at Midwest Cadillac Repair
  37. Factory air intake question
  38. Bent pushrod - valvetrain noise ?
  39. '01 DTS Misfire.
  40. Thread size for Jake's studs?
  41. Drive Train Hum & No Overdrive
  42. Towing in third gear
  43. 2004 Deville PCM
  44. 01 Deville OverHeating Issue
  45. Please help diagnose my cooling system problem
  46. Overheating
  47. Is there an alternate way to lock the flywheel?
  48. northstar stud kit
  49. What engines are compatible with 2000 seville sts.... Coil to spark plug type.....
  50. Coolant Reservoir Overflow Line
  51. N* Upper to Lower block half sealing procedure.
  52. To re-seal or not?
  53. How do you SAFELY clean the valve covers?
  54. 98 ETC Head Gasket project started today...
  55. 2002 Eldorado ETC Head Gasket Project
  56. 97 N* Crank Pulley / Oil Pump Torque setting
  57. WP cam price
  58. 2001 Deville VIN Y - head gasket repair on Long Island ?
  59. Anyone want to compare MAF readings?
  60. Wheres Jake? We need studs and engines !!!
  61. serp belt
  62. Question about the Northstar PCM
  63. 96 Sedan De Ville V8 Northstar Over Heating
  64. po 300, po 507 need help asap!!
  65. 1997 STS N* connecting rod stamped number
  66. Is there an on-line breakdown of N* engine parts with GM part numbers?
  67. Torque specs on fasteners - torque angle?
  68. Northstar headbolt spacing/ pattern
  69. 95 eldorado 8th letter of vin is y
  70. Recently purchaced 2003 Cadillac Dev
  71. engine swap for a 2000 dts to a 2003 devell can it work i
  72. Jake, I REALLY, REALLY want to give you some money!
  73. Saga of a naive Head Gasket repair
  74. Cracked block!!!!
  75. What causes a headgasket failure?
  76. Spark advance/knock - What is tolerance?
  77. Towing with 02 Deville
  78. Northstar Temp sensor & Lock up converter ?'s
  79. P119 and p080
  80. Another (slightly different) Northstar oil consumption question.....
  81. holley injector harness
  82. Northstar oil pump failure
  83. 4.6 Rod Clearance
  84. Determining Headbolt Thread Pitch
  85. Thank You
  86. Scratched Wall
  87. 4T80E Electronically controlled torque converter clutch
  88. Do The 2006 and newer DTS Northstars have the same headgasket issues?
  89. Feels like a miss?
  90. Need some advice for Northstar car purchase...
  91. need help with rough running northstsar
  92. '03 DeVille - Slight shudder under initial acceleration
  93. how can i check if head gasket leaks
  94. 1994 Deville Concours Ignition Control Module Replacement
  95. Get it while you can..........
  96. Backfiring issues
  97. Rear main seal install tool confusion
  98. surges/sputters while driving, but idles perfectly fine?
  99. Code P041 and Code P025 in 1994 Deville Concours
  100. Northstar 4.6 Overheating
  101. Differences of studs vs. Timeserts
  102. 94 deville concours northstar catalytic converter redhot and stalls
  103. dipstick level, which side to believe?
  104. 2002 Eldorado coolant flush what kind?
  105. Heated Seat Issue..Please Help!
  106. Running on 4 Cylinders..not in Overheat mode
  107. 2002 Deville, White Smoke when Ideling
  108. 1999 Deville w/ Northstar coolant issue
  109. Another 2000+ head gasket failure
  110. 01 Deville DHS N* Repair in DFW Metroplex
  111. SureGrip stud kit / jig combo allignment?
  112. How hard to try to pull the head bolts on Northstar?
  113. How do I pull the airbox in my Eldo?
  114. 2000 Deville Crank Sensor Problems.. Please help if you can..
  115. ethanol or not
  116. Areas to look at while doing a HG repair
  117. PCM/EBTCM Pin Diagram, 2001 SLS
  118. Jake, wish you best of Luck !!
  119. What wire for the Speedo?
  120. Time sert kit kit # 500
  121. Torque Converter Whine
  122. PCM and engine switching
  123. 4T80E Viscous Torque Converter Internals / Clutch Failure (Lots of pictures included)
  124. timeserts
  125. Northstar removal
  126. Blocks, cracks and heat
  127. Please help: 1996 deville hard starting ?
  128. 2000 Deville using oil
  129. 2003 Deville engine start problem
  130. What exactly is a "base model" Deville ?
  131. need to replace flywheel
  132. Service engine light
  133. Possible to run northstar on an engine stand or outside of the car?
  134. Oil leak 2004 DHS could switching to Syn oil at 60k cause a leak or make one worse
  135. A few codes to clear up (02 Deville)
  136. Northstar Camshaft Wear - Common? Cause?
  137. My 98 Deville N* HG repair adventure !!
  138. northstar engine several issues--need major help
  139. Water pump removal
  140. Northstar coolant leak
  141. More Northstar repair services......ENJOY
  142. Shell Rimula R6 ME 5W30
  143. Camshaft pulley removal
  144. P0300 Code goes off at high rpm.
  145. Turbo'ed 98-04 STS N*
  146. 99' cadillac head gasket problems
  147. Fuel Injector resistance 1994 Northstar motor
  148. Northstar Main Studs-
  149. $575 99 Seville project Car overheating
  150. My Little Northstar engine Project
  151. Trans question p0748 after trans repaired by rebuilder
  152. 1994 Deville Concours PCM Replacement
  153. 94 Deville Concours PCM Codes P041 and P119
  154. Misfire Cylender 4 Low Compresion after flashing SES and p0300
  155. prospective owner with HG question
  156. tcc solenoid need help asap
  157. egr blockoff
  158. 01 eldorado ESC "hard" starting and once wouldn't start
  159. Shelby 1 Olds Supercharged Aurora - How About LS9 or LSA?
  160. Direct Injection - Technology Question
  161. Bought the '97 etc replacement
  162. Advice from some repair guys on cleaning processes
  163. 94 STS head gasket question
  164. Doesn't seem to be the head gasket but still overheats
  165. Looking for HG Repair Shop in Southeast US
  166. evap solonoid
  167. Ebay: Brand new Vortech Supercharged Aurora 4.0 engine
  168. 1995 elder northstar cooling
  169. how to change camshaft position sensor on 1997 sts
  170. Not happy with Federal Mogul's quality levels anymore. Specifically Fel-Pro.
  171. 1994 SLS Northstar running rich and stalling
  172. Front seal is leaking
  173. Thorttle body problem and code p2135
  174. Ignition drop-outs
  175. L37, ld8, l47 & lx5
  176. My 98 Deville with straight pipes... what do you guys think?
  177. hg repairs
  178. Wierd Temperature spikes 02 deville
  179. There was a thread or sticky that was all about engine oild and dino or conventional
  180. Oil pump prime
  181. Motor Mount project
  182. Hello Everyone, I need help with getting an engine......
  183. P0304 Misfire cylinder 4
  184. N* picky about motor oil?
  185. Timing chain seems loose on a 4.6L Deville.
  186. 99 deville fans just stop both of them
  187. Replacing a TPS in a 99 Deville?
  188. 2000 Deville Idle Relearn
  189. Polishing Cam lobes?
  190. Northstar Tuneup
  191. Felpro intake manifold gaskets
  192. PCM Codes P0171 and P0174
  193. 100 Cadillac head gasket repairs completed
  194. NorthStar Engine Block Crack Have you had one What year and how did it crack
  195. 4.6 N* Crank shaft / oil pump question
  196. hard starting 1997 sts
  197. air in coolant system?
  198. more electrical gremlins
  199. No fuel pressure
  200. Photos of the CNC turning center-
  201. 98 STS White smoke on accelation
  202. Should I have my brand new, never fired 4.0 long-block studded?
  203. Found my coolant leak
  204. Oil pump seal/oring
  205. Looking for a SPECIFIC N* Removal Guide
  206. Remote start and push button ignition
  207. Consequences of driving with failed HG
  208. How to space piston rings
  209. Cam journal caps broke
  210. Should I replace PCM? Need 2nd & 3rd opinions
  211. New owner of 1997 Eldorado, many questions
  212. N* To pull or not to pull, A/C is the question.
  213. 2002 Deville; Installing Vin Y Engine Into Vin 9 Car
  214. Northstar PCM Tuning
  215. Cross over gaskets ?
  216. Smells like exhaust in antifreeze again............... ?
  217. Disabling air injection system in 2002 engine?
  218. Couple of problems with my 94 Seville.
  219. 1994 cadillac seville Spark plug change
  220. Bad head gaskets or user error?
  221. northstar pre-trip opinion
  222. Source for engine internal parts?
  223. First post: Anyone know if the RWD and AWD wire harnesses are the same for 04-05 STS?
  224. If Engine has been Studed can you Remove the heads and put the heads back with in car
  225. So where is my oil level sensor?
  226. Curious. . .crankshaft position sensors, are they reversable?
  227. Bad mileage
  228. Taking Pre-Orders for bottom end stud kits-
  229. Any good Northstar shops near Maryland?
  230. Have code P071 & P046
  231. Cost of DIY Headgaskets/studs?
  232. Ceramic coated exhaust manifolds?
  233. What is the timeline for Head Gasket failure
  234. Where are the parts for this build?
  235. MAF Housing R&R
  236. ticking tapping noise in engine video attached
  237. Interesting find........
  238. proper torque-to-yield on 99 sts
  239. Northstar 4.6 bottom end
  240. 1996 ETC Code nightmares p13
  241. 2000 STS Half-case seal gasket P/N
  242. Looks like an early factory "new" create engine
  243. Northstar Shake
  244. 5/16 course Head Bolts?
  245. Time sert removal
  246. tcc solenoid
  247. Just got exhaust work done and now I'm getting some codes... Advice? 2002 DTS
  248. Question regarding slight motor mount/tranny thump
  249. 85 Northstar head gasket jobs completed 85 Cadillacs saved!
  250. Looking for a shop in GA that uses Studs for HG repair