: Northstar Engines and System Technical Discussion



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  1. Ignition quirks with built Northstar
  2. Oil pump and main seal for built Northstar
  3. Conventional oil first 2 oil changes better then full synthetic after new engine is ?
  4. How to identify VIN 9 vs VIN Y transmissions and engines
  5. Please help with 94 eldo trans trouble
  6. Big-Sert Head Repair - Can it be Done Without Removing the Engine?
  7. cold rattle
  8. At last a proven 100% fix for Northstar - Head Gasket Failure
  9. Flywheel holding tool
  10. Yahoo!!. Finally!!
  11. The joys of moving a business - updates on Northstar Performance -
  12. To Vincent M and BetterNorthstar -
  13. northstar water pump housing compatibility
  14. 106 octane in L37
  15. Engine Removal guide
  16. cracked lifters
  17. Looking for a time-sert kit or other options!!!!
  18. 1998 Cadillac STS starter clicks but won't start....HELP Please
  19. Northstar headgasket -- want to get 'er fixed, looking for words of wisdom
  20. 2000 deville base seized engine
  21. Re-fill or replace dexcool?
  22. '95 Eldo: how much life left
  23. 94 Eldo motor shaking
  24. Getting ready to fire up the twin turbo Northstar. What size Injectors?
  25. What would i damage that isnt already messed up if i
  26. 1999 northstar
  27. Oil War !
  28. Harmonic balancer torque
  29. engine stumble at red light after highway run
  30. water pump cartridge won't come out!!!!!
  31. Studkit purchase inquiry
  32. 97 Deville, Oil puddle on top of intake manifold, HELP!!!
  33. Dropping cradle starting today, couple of questions...
  34. Installing yard tranny from 2000 SLS into 00 DHS, 90k, Should I replace the ISS?
  35. Seeking opinions on adding an external tranny cooler in addition to the radiator
  36. Helpful hunts for dealing with timing when you have to pull the heads
  37. Think the HG may have went in my Aurora...
  38. Timing chain on rear bank has may have too much play...
  39. another head gasket story... need a little help.
  40. maybe not HG?????
  41. Installed Jake's studs engine with 65k, should I replace front crank seal, looks ok
  42. IP1556 code, no clue.
  43. 94 SLS cradle bolts
  44. Is there a feasible motor swap to do to a 97 Eldorado?
  45. In Detroit - Need headgasket repair recommendations
  46. This guy is doing major stuff
  47. GM Livonia Powetrain Engine Plant - Auction !
  48. Burn oil when turning, on-ramps wow...
  49. 2002 ETC inquiry
  50. Head Bolt/Stud Placement
  51. Still No Luck
  52. Suggestions: Alternator Repair on water cooled 99 Cadillac Seville Alternator
  53. Hot hot hot then not???
  54. intake leak at rear of manifold
  55. coolant leaks out end of new hose while clamped on pump and radiator.......?
  56. '99 DeVille, probably blown head gasket
  57. Ball bearings, pulleys, and grease
  58. Oil Question
  59. Upgrades to the Stud Kits -
  60. Aurora northstar based 4.0... computer issues... help!
  61. piston slap now!? come onnnn!?!?!?
  62. I have officially left the N* fold...
  63. Ok i did it
  64. Dex or Age? Your Thoughts?
  65. Northstar well designed? Are you on crack???
  66. interesting stuff..........
  67. Good Mechanic in Dallas, TX for HG job?
  68. R&R of heater pipes
  69. Incredible discounts- head gasket work, engines, you name it -
  70. For anyone on the fence as far as fixing their Northstar engine, read this.....
  71. Will this car blow another head gasket?
  72. Transmission transplant! Is it possible?!?
  73. Strange sound and stalling of 99 sts
  74. 1999 etc
  75. i would like to know how should a healthy northstar sound?
  76. ok still have stumble, error codes, between 900-1500 rpm
  77. It's official. Northstar Perfomance is moving.
  78. 2000 Eldorado - White Smoke from front passenger side
  79. More Power
  80. HG shop in NE Ohio that uses Jakes Studs just found it heres the info for anyone
  81. '97 Eldorado Starter issues.. Need help.
  82. Drill for studs with engine in the car
  83. New member-somewhat common question
  84. Rough dimensions and weight of a complete Northstar?
  85. Total cost of Head Gasket Repair
  86. Some bugs that appear to be electrical in nature...
  87. 3.5 from a 2002 Aurora
  88. Engine/Tranny mounts
  89. Cracked Block
  90. If you are in New England, and you have blown head gaskets, read this.....
  91. How many have really failed
  92. Oil Pan gasket help?
  93. Drilling holes in engine for Jakes Kit. . .best tool?
  94. p0300 ses flashing
  95. Zonie77
  96. Head issues. Dealer says i need new engine!! HELP!!
  97. little green hoses on crossover????
  98. P23 code and intermittent engine skip
  99. Most effective ways to clean head and deck surfaces for head gasket change?
  100. Losing Coolant
  101. acceptable coolant usage?
  102. Northstar performance stud kit-how long does it take to get?
  103. Should I use this engine or not?
  104. Question: Is it possible to drill and tap a hole for the torque strut on a 96 north*?
  105. Concerns in the middle of headgasket repair!
  106. "Service Airbag System" Message
  107. Block Or New Engine
  108. will a 94 water pump cover fit on a 95?
  109. CRACKED block .2000 DTS rarity now reality
  110. oxygen sensor removal
  111. 2001 STS P0307. Stalls and hesitates under light acceleration
  112. fuel rail ground
  113. Hmmm. . .Interesting read. Running Compression Test
  114. To Hone or not to Hone
  115. Deville Warped Block can this be fixed?????
  116. Why would smoke be filling the valve covers?
  117. Doing the studs and head gaskets , would like suggestions for locking cams & crank
  118. 98 cadillac eldorado 4.6 engine questions
  119. A few northstar ??
  120. Cant remove EGR
  121. HELP it wont start!
  122. changes made in 2004
  123. 95 PCM question
  124. Power inconsistancy, acceleration, normal? More than one car..
  125. New bearings, new rings, 1000 miles and still burning oil
  126. '97 etc flooded after hot soak
  127. 2000 ETC, vin 9, will seville/deville vin 9 motors fit?
  128. Ac charging problems
  129. 1999 sts
  130. Strange PC 0741 code situation - '97 STS
  131. 8000+ rpm
  132. Steel Seal
  133. baby northstar question
  134. month and day of midyear headbolt change in 2003
  135. Bank 1/2004 Deville DTS
  136. Fuel Injector problem
  137. 2000-01 cam problem
  138. Battery drain
  139. 1998 DeVille Overheating
  140. Temperature Gauge Dampening
  141. 2000 Deville Overheated losing coolant.
  142. Temp gauge dampened? Here's the answer:
  143. 222 degrees B4 fans?
  144. question about new rebuild on 99 sts
  145. 1999 Concours
  146. Running tad bit cool - thermostat or ect sensor?
  147. What else is possibly left???
  148. Yahoo!! My car runs!! :-)
  149. 2001 Deville Stalls/rough idle
  150. Can you replace the HG with the engine in the car?
  151. just lost my oil pressure
  152. EGR valve
  153. stop engine, low oil pressure warning. oil full
  154. Perplexed. Can't figure out what this 1 connector goes to
  155. Blown Northstar V8
  156. Blower motor removal
  157. Recommended Serpentine Belt?
  158. Anyone know how to check an ac compressor
  159. Where to route the starter cable?
  160. Acronyms
  161. Runing Hotter than Usual
  162. Installing engine top dead center
  163. is there any place around philly that repairs northstar head gaskets?
  164. Down Pipe Should be Ported
  165. In a bind and need some info
  166. Notice to all Northstar Technicans; including the DIY crowd-
  167. Question for anyone who has used one of Jake's stud kits....
  168. Alas.....another head gasket has given up the ghost...
  169. How hard is it to convert a 3.11 transaxel to 3.73?
  170. 2001 Deville 224,000 mi.
  171. screwed up big time - need a coolant crossover
  172. Would you invest; if Northstar Performance offered investment plans?
  173. Pics of coolant test of exhaust gas/head gasket leaking?
  174. jakes studs
  175. thermostat housing drips
  176. 2000 Eldorado ETC 4.6L Head Gasket Questions
  177. Collaboration of ideas about Superchargers on FWD Northstar
  178. New engine rebuilt breakin procedure
  179. 95 Eldorado with Jake's studs
  180. Northstar tranny pan bolt.
  181. Head Gasket Gurus, In here!
  182. head bolt torque info?????
  183. Drivability Problems 94 Eldorado
  184. Cadillac Specialties, Good work???
  185. HG repair in DC, MD or VA???
  186. bolt pattern differences between L37 and LD8?
  187. informative.......
  188. Dry Film Lubricants.
  189. Temp gauge position, what is the basis for this?
  190. Mustang 4.6L Injectors on Northstars?
  191. oil pump spacer driver
  192. 2000 and up N* engines?
  193. 94 Eldorado 4T80E No Forward Gears After Shift Solenoid Change
  194. anyone MARRYYLANNDD??????
  195. Better Mileage out of LD8 Northstar
  196. Service Emissions system message
  197. 2002 Deville Multiple codes, rough idle, surging at high RPM
  198. Interesting oil info
  199. Fuel Filter location 95 deville concours 4.6
  200. 95 Deville Concours 4.6 bucking while in gear and AC compressor on
  201. threading for norms inserts
  202. 95 deville 4.6 northstar ISC clicking
  203. Setting timing on 1999 STS after HG repair
  204. 96 Deville Problems
  205. Whats the deal with my o2 sensors
  206. 2000STS oil pan problems
  207. oil smells like gas low oil pressure
  208. Idles strangely when turning heat/ blower switch "on"
  209. OBDii USB scanner
  210. Last post, race car blew up
  211. Long Hard Starts
  212. 2000 Deville DTS upgrades
  213. What the heck is it?
  214. Purge line???
  215. Ideal IAT Sensor Conditions
  216. overheating issue
  217. Engines To Ship to USA via UPS - FINALLY ALL SET UP!
  218. After 17 years, GM is bidding farewell to the once groundbreaking NORTHSTAR
  219. Supercharger like whistle?
  220. 98 deville BlownHead Gasket???
  221. Cooling question I know Another one
  222. chocolate
  223. Damm leaking half seal, what about lucas?
  224. 2000 Cadillac Deville Speedo Problems!
  225. water pump pulley
  226. 01 deville just bought a lemon?
  227. 1999 STS V8 Northstar Engine Misfire / Smoke
  228. 99 Deville starting idle issue
  229. P1376, P0340, I'm desperate...
  230. A rep from General Motors is coming to my shop tomorrow!
  231. Reluctor wheel clocking?
  232. Combo electrical/fuel problem in race car
  233. head dowels
  234. peanut butter in coolant resevoir
  235. 96 STS P0171 & P0174 Code
  236. Battery or alternator
  237. I think my HGs are gone
  238. Please help need to finish tomorrow i am begging
  239. Have to swap engine and tranny in 2000 DHS
  240. I need two exhaust cams and 8 buckets for a 99
  241. 01 DTS running lean codes 0171, 0174 what to look for?
  242. 2000 deville dts rip
  243. 2002 STS RPM Limited... Airflow Sensor Issue or other?
  244. Is power steering and transmission fluid the same in a 94 seville
  245. Customer Paranoia with temp guage - need input from other members-
  246. oil in head bolt hole
  247. Exhaust leaks at Y-pipe to exhaust manifold and front ex. manifold to crossover pipe
  248. 5k rpm limit in 1st gear?
  249. Do I need a new crankshaft? :( pic inside
  250. Painting valve covers