: Northstar Engines and System Technical Discussion



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  1. Great deal on Rear Main Seal installer... but better hurry!
  2. Head Gasket Kit Verification
  3. Is it worth it?
  4. Results of coolant in oil
  5. 2000 Deville shakes at Idle, No DTC's
  6. Engine block cracked - Northstar Performance, where are you ?
  7. Cradle swapping possibilities
  8. Non Production VVT Northstar
  9. Jake Northstar Performance - stud problems
  10. Update on remanufactured Northstar Performance engine. 1 year later
  11. Head Gasket Questions
  12. Another overheating northstar....
  13. Northstar interesting stuff....
  14. '00 Deville sat for year. Coolant, Battery, Misfire, Brake fluid problems HELP
  15. Northstar Water Pump Housing Replacment
  16. my 1995 Cadillac Eldorado Overheating
  17. Seafoam - do you use it?
  18. Another N* Oil Pump question
  19. 2005 DTS Head gasket still a problem?
  20. Gforce performance "chip" ?
  21. SureGrip studded Eldo for sale?!!
  22. I'm relocating,,,,new complaints section....
  23. Remote key fob
  24. oil manifold question
  25. How do you clean ring grooves on pistons?
  26. Video. For those who want to see CNC machining in action.
  27. Plugs - Spark plugs for a Northstar ??
  28. Want To Buy N* stud tool kit
  29. What happened? Stored 1996 Deville engine knock
  30. Northstar head gasket repair
  31. WOT problem and P0300 - 2000 Eldorado
  32. Marks Turbocharged 99 STS
  33. water pump leak after replacing pump/seal
  34. Missing shield in cam cover?
  35. tight northstar cam chain
  36. front motor mounts
  37. northstar studs
  38. 2000 Deville - high pitched whistle
  39. 99 Deville HG job 4-2012
  40. I have a set of studs available if someone needs them thanks to my previous thread
  41. DIY Northstar Head Gasket / Crankcase Leak Repair
  42. 1997 Seville temperature problems
  43. Don't Wait More Than 120 days
  44. How to tell if head gaskets have been done before?
  45. Need top compression ring 98 N*....ugghhh
  46. 18mm Northstar Crankbolt needed
  47. 98 Eldorado replacing Engine Torque Mounts
  48. Troubleshooting help
  49. New Northstar Crate Engine
  50. Valve stem seal tool?
  51. Code P070 with stalling and surging-TPS or ISC?
  52. Huge thanks to Joe at Midwest Cadillac Repair
  53. Factory air intake question
  54. Bent pushrod - valvetrain noise ?
  55. '01 DTS Misfire.
  56. Thread size for Jake's studs?
  57. Drive Train Hum & No Overdrive
  58. Towing in third gear
  59. 2004 Deville PCM
  60. 01 Deville OverHeating Issue
  61. Please help diagnose my cooling system problem
  62. Overheating
  63. Is there an alternate way to lock the flywheel?
  64. northstar stud kit
  65. What engines are compatible with 2000 seville sts.... Coil to spark plug type.....
  66. Coolant Reservoir Overflow Line
  67. N* Upper to Lower block half sealing procedure.
  68. To re-seal or not?
  69. How do you SAFELY clean the valve covers?
  70. 98 ETC Head Gasket project started today...
  71. 2002 Eldorado ETC Head Gasket Project
  72. 97 N* Crank Pulley / Oil Pump Torque setting
  73. WP cam price
  74. 2001 Deville VIN Y - head gasket repair on Long Island ?
  75. Anyone want to compare MAF readings?
  76. Wheres Jake? We need studs and engines !!!
  77. serp belt
  78. Question about the Northstar PCM
  79. 96 Sedan De Ville V8 Northstar Over Heating
  80. po 300, po 507 need help asap!!
  81. 1997 STS N* connecting rod stamped number
  82. Is there an on-line breakdown of N* engine parts with GM part numbers?
  83. Torque specs on fasteners - torque angle?
  84. Northstar headbolt spacing/ pattern
  85. 95 eldorado 8th letter of vin is y
  86. Recently purchaced 2003 Cadillac Dev
  87. engine swap for a 2000 dts to a 2003 devell can it work i
  88. Jake, I REALLY, REALLY want to give you some money!
  89. Saga of a naive Head Gasket repair
  90. Cracked block!!!!
  91. What causes a headgasket failure?
  92. Spark advance/knock - What is tolerance?
  93. Towing with 02 Deville
  94. Northstar Temp sensor & Lock up converter ?'s
  95. P119 and p080
  96. Another (slightly different) Northstar oil consumption question.....
  97. holley injector harness
  98. Northstar oil pump failure
  99. 4.6 Rod Clearance
  100. Thank You
  101. Scratched Wall
  102. 4T80E Electronically controlled torque converter clutch
  103. Do The 2006 and newer DTS Northstars have the same headgasket issues?
  104. Feels like a miss?
  105. Need some advice for Northstar car purchase...
  106. need help with rough running northstsar
  107. '03 DeVille - Slight shudder under initial acceleration
  108. how can i check if head gasket leaks
  109. 1994 Deville Concours Ignition Control Module Replacement
  110. Get it while you can..........
  111. Backfiring issues
  112. Rear main seal install tool confusion
  113. surges/sputters while driving, but idles perfectly fine?
  114. Code P041 and Code P025 in 1994 Deville Concours
  115. Northstar 4.6 Overheating
  116. Differences of studs vs. Timeserts
  117. 94 deville concours northstar catalytic converter redhot and stalls
  118. dipstick level, which side to believe?
  119. 2002 Eldorado coolant flush what kind?
  120. Heated Seat Issue..Please Help!
  121. Running on 4 Cylinders..not in Overheat mode
  122. 2002 Deville, White Smoke when Ideling
  123. 1999 Deville w/ Northstar coolant issue
  124. Another 2000+ head gasket failure
  125. 01 Deville DHS N* Repair in DFW Metroplex
  126. SureGrip stud kit / jig combo allignment?
  127. How hard to try to pull the head bolts on Northstar?
  128. How do I pull the airbox in my Eldo?
  129. 2000 Deville Crank Sensor Problems.. Please help if you can..
  130. ethanol or not
  131. Areas to look at while doing a HG repair
  132. PCM/EBTCM Pin Diagram, 2001 SLS
  133. Jake, wish you best of Luck !!
  134. What wire for the Speedo?
  135. Time sert kit kit # 500
  136. Torque Converter Whine
  137. PCM and engine switching
  138. 4T80E Viscous Torque Converter Internals / Clutch Failure (Lots of pictures included)
  139. timeserts
  140. Northstar removal
  141. Blocks, cracks and heat
  142. Please help: 1996 deville hard starting ?
  143. 2000 Deville using oil
  144. 2003 Deville engine start problem
  145. What exactly is a "base model" Deville ?
  146. need to replace flywheel
  147. Service engine light
  148. Possible to run northstar on an engine stand or outside of the car?
  149. Oil leak 2004 DHS could switching to Syn oil at 60k cause a leak or make one worse
  150. A few codes to clear up (02 Deville)
  151. Northstar Camshaft Wear - Common? Cause?
  152. My 98 Deville N* HG repair adventure !!
  153. northstar engine several issues--need major help
  154. Water pump removal
  155. Northstar coolant leak
  156. More Northstar repair services......ENJOY
  157. Shell Rimula R6 ME 5W30
  158. Camshaft pulley removal
  159. P0300 Code goes off at high rpm.
  160. Turbo'ed 98-04 STS N*
  161. 99' cadillac head gasket problems
  162. Fuel Injector resistance 1994 Northstar motor
  163. Northstar Main Studs-
  164. $575 99 Seville project Car overheating
  165. My Little Northstar engine Project
  166. Trans question p0748 after trans repaired by rebuilder
  167. 1994 Deville Concours PCM Replacement
  168. 94 Deville Concours PCM Codes P041 and P119
  169. Misfire Cylender 4 Low Compresion after flashing SES and p0300
  170. prospective owner with HG question
  171. tcc solenoid need help asap
  172. egr blockoff
  173. 01 eldorado ESC "hard" starting and once wouldn't start
  174. Shelby 1 Olds Supercharged Aurora - How About LS9 or LSA?
  175. Direct Injection - Technology Question
  176. Bought the '97 etc replacement
  177. Advice from some repair guys on cleaning processes
  178. 94 STS head gasket question
  179. Doesn't seem to be the head gasket but still overheats
  180. Looking for HG Repair Shop in Southeast US
  181. evap solonoid
  182. Ebay: Brand new Vortech Supercharged Aurora 4.0 engine
  183. 1995 elder northstar cooling
  184. how to change camshaft position sensor on 1997 sts
  185. Not happy with Federal Mogul's quality levels anymore. Specifically Fel-Pro.
  186. 1994 SLS Northstar running rich and stalling
  187. Front seal is leaking
  188. Thorttle body problem and code p2135
  189. Ignition drop-outs
  190. L37, ld8, l47 & lx5
  191. My 98 Deville with straight pipes... what do you guys think?
  192. hg repairs
  193. Wierd Temperature spikes 02 deville
  194. There was a thread or sticky that was all about engine oild and dino or conventional
  195. Oil pump prime
  196. Motor Mount project
  197. Hello Everyone, I need help with getting an engine......
  198. P0304 Misfire cylinder 4
  199. N* picky about motor oil?
  200. Timing chain seems loose on a 4.6L Deville.
  201. 99 deville fans just stop both of them
  202. Replacing a TPS in a 99 Deville?
  203. 2000 Deville Idle Relearn
  204. Polishing Cam lobes?
  205. Northstar Tuneup
  206. Felpro intake manifold gaskets
  207. PCM Codes P0171 and P0174
  208. 100 Cadillac head gasket repairs completed
  209. NorthStar Engine Block Crack Have you had one What year and how did it crack
  210. 4.6 N* Crank shaft / oil pump question
  211. hard starting 1997 sts
  212. air in coolant system?
  213. more electrical gremlins
  214. No fuel pressure
  215. Photos of the CNC turning center-
  216. 98 STS White smoke on accelation
  217. Should I have my brand new, never fired 4.0 long-block studded?
  218. Found my coolant leak
  219. Oil pump seal/oring
  220. Looking for a SPECIFIC N* Removal Guide
  221. Remote start and push button ignition
  222. Consequences of driving with failed HG
  223. How to space piston rings
  224. Cam journal caps broke
  225. Should I replace PCM? Need 2nd & 3rd opinions
  226. New owner of 1997 Eldorado, many questions
  227. N* To pull or not to pull, A/C is the question.
  228. 2002 Deville; Installing Vin Y Engine Into Vin 9 Car
  229. Northstar PCM Tuning
  230. Cross over gaskets ?
  231. Smells like exhaust in antifreeze again............... ?
  232. Disabling air injection system in 2002 engine?
  233. Couple of problems with my 94 Seville.
  234. 1994 cadillac seville Spark plug change
  235. Bad head gaskets or user error?
  236. northstar pre-trip opinion
  237. Source for engine internal parts?
  238. First post: Anyone know if the RWD and AWD wire harnesses are the same for 04-05 STS?
  239. If Engine has been Studed can you Remove the heads and put the heads back with in car
  240. So where is my oil level sensor?
  241. Curious. . .crankshaft position sensors, are they reversable?
  242. Bad mileage
  243. Taking Pre-Orders for bottom end stud kits-
  244. Any good Northstar shops near Maryland?
  245. Have code P071 & P046
  246. Cost of DIY Headgaskets/studs?
  247. Ceramic coated exhaust manifolds?
  248. What is the timeline for Head Gasket failure
  249. Where are the parts for this build?
  250. MAF Housing R&R