: Northstar Engines and System Technical Discussion



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  1. Harmonic balancer torque
  2. engine stumble at red light after highway run
  3. water pump cartridge won't come out!!!!!
  4. Studkit purchase inquiry
  5. 97 Deville, Oil puddle on top of intake manifold, HELP!!!
  6. Dropping cradle starting today, couple of questions...
  7. Installing yard tranny from 2000 SLS into 00 DHS, 90k, Should I replace the ISS?
  8. Seeking opinions on adding an external tranny cooler in addition to the radiator
  9. Helpful hunts for dealing with timing when you have to pull the heads
  10. Think the HG may have went in my Aurora...
  11. Timing chain on rear bank has may have too much play...
  12. another head gasket story... need a little help.
  13. maybe not HG?????
  14. Installed Jake's studs engine with 65k, should I replace front crank seal, looks ok
  15. IP1556 code, no clue.
  16. 94 SLS cradle bolts
  17. Is there a feasible motor swap to do to a 97 Eldorado?
  18. In Detroit - Need headgasket repair recommendations
  19. This guy is doing major stuff
  20. GM Livonia Powetrain Engine Plant - Auction !
  21. Burn oil when turning, on-ramps wow...
  22. 2002 ETC inquiry
  23. Head Bolt/Stud Placement
  24. Still No Luck
  25. Suggestions: Alternator Repair on water cooled 99 Cadillac Seville Alternator
  26. Hot hot hot then not???
  27. intake leak at rear of manifold
  28. coolant leaks out end of new hose while clamped on pump and radiator.......?
  29. '99 DeVille, probably blown head gasket
  30. Ball bearings, pulleys, and grease
  31. Oil Question
  32. Upgrades to the Stud Kits -
  33. Aurora northstar based 4.0... computer issues... help!
  34. piston slap now!? come onnnn!?!?!?
  35. I have officially left the N* fold...
  36. Ok i did it
  37. Dex or Age? Your Thoughts?
  38. Northstar well designed? Are you on crack???
  39. interesting stuff..........
  40. Good Mechanic in Dallas, TX for HG job?
  41. R&R of heater pipes
  42. Incredible discounts- head gasket work, engines, you name it -
  43. For anyone on the fence as far as fixing their Northstar engine, read this.....
  44. Will this car blow another head gasket?
  45. Transmission transplant! Is it possible?!?
  46. Strange sound and stalling of 99 sts
  47. 1999 etc
  48. i would like to know how should a healthy northstar sound?
  49. ok still have stumble, error codes, between 900-1500 rpm
  50. It's official. Northstar Perfomance is moving.
  51. 2000 Eldorado - White Smoke from front passenger side
  52. More Power
  53. HG shop in NE Ohio that uses Jakes Studs just found it heres the info for anyone
  54. '97 Eldorado Starter issues.. Need help.
  55. Drill for studs with engine in the car
  56. New member-somewhat common question
  57. Rough dimensions and weight of a complete Northstar?
  58. Total cost of Head Gasket Repair
  59. Some bugs that appear to be electrical in nature...
  60. 3.5 from a 2002 Aurora
  61. Engine/Tranny mounts
  62. Cracked Block
  63. If you are in New England, and you have blown head gaskets, read this.....
  64. How many have really failed
  65. Oil Pan gasket help?
  66. Drilling holes in engine for Jakes Kit. . .best tool?
  67. p0300 ses flashing
  68. Zonie77
  69. Head issues. Dealer says i need new engine!! HELP!!
  70. little green hoses on crossover????
  71. P23 code and intermittent engine skip
  72. Most effective ways to clean head and deck surfaces for head gasket change?
  73. Losing Coolant
  74. acceptable coolant usage?
  75. Northstar performance stud kit-how long does it take to get?
  76. Should I use this engine or not?
  77. Question: Is it possible to drill and tap a hole for the torque strut on a 96 north*?
  78. Concerns in the middle of headgasket repair!
  79. "Service Airbag System" Message
  80. Block Or New Engine
  81. will a 94 water pump cover fit on a 95?
  82. CRACKED block .2000 DTS rarity now reality
  83. oxygen sensor removal
  84. 2001 STS P0307. Stalls and hesitates under light acceleration
  85. fuel rail ground
  86. Hmmm. . .Interesting read. Running Compression Test
  87. To Hone or not to Hone
  88. Deville Warped Block can this be fixed?????
  89. Why would smoke be filling the valve covers?
  90. Doing the studs and head gaskets , would like suggestions for locking cams & crank
  91. 98 cadillac eldorado 4.6 engine questions
  92. A few northstar ??
  93. Cant remove EGR
  94. HELP it wont start!
  95. changes made in 2004
  96. 95 PCM question
  97. Power inconsistancy, acceleration, normal? More than one car..
  98. New bearings, new rings, 1000 miles and still burning oil
  99. '97 etc flooded after hot soak
  100. 2000 ETC, vin 9, will seville/deville vin 9 motors fit?
  101. Ac charging problems
  102. 1999 sts
  103. Strange PC 0741 code situation - '97 STS
  104. 8000+ rpm
  105. Steel Seal
  106. baby northstar question
  107. month and day of midyear headbolt change in 2003
  108. Bank 1/2004 Deville DTS
  109. Fuel Injector problem
  110. 2000-01 cam problem
  111. Battery drain
  112. 1998 DeVille Overheating
  113. Temperature Gauge Dampening
  114. 2000 Deville Overheated losing coolant.
  115. Temp gauge dampened? Here's the answer:
  116. 222 degrees B4 fans?
  117. question about new rebuild on 99 sts
  118. 1999 Concours
  119. Running tad bit cool - thermostat or ect sensor?
  120. What else is possibly left???
  121. Yahoo!! My car runs!! :-)
  122. 2001 Deville Stalls/rough idle
  123. Can you replace the HG with the engine in the car?
  124. just lost my oil pressure
  125. EGR valve
  126. stop engine, low oil pressure warning. oil full
  127. Perplexed. Can't figure out what this 1 connector goes to
  128. Blown Northstar V8
  129. Blower motor removal
  130. Recommended Serpentine Belt?
  131. Anyone know how to check an ac compressor
  132. Where to route the starter cable?
  133. Acronyms
  134. Runing Hotter than Usual
  135. Installing engine top dead center
  136. is there any place around philly that repairs northstar head gaskets?
  137. Down Pipe Should be Ported
  138. In a bind and need some info
  139. Notice to all Northstar Technicans; including the DIY crowd-
  140. Question for anyone who has used one of Jake's stud kits....
  141. Alas.....another head gasket has given up the ghost...
  142. How hard is it to convert a 3.11 transaxel to 3.73?
  143. 2001 Deville 224,000 mi.
  144. screwed up big time - need a coolant crossover
  145. Would you invest; if Northstar Performance offered investment plans?
  146. Pics of coolant test of exhaust gas/head gasket leaking?
  147. jakes studs
  148. thermostat housing drips
  149. 2000 Eldorado ETC 4.6L Head Gasket Questions
  150. Collaboration of ideas about Superchargers on FWD Northstar
  151. New engine rebuilt breakin procedure
  152. 95 Eldorado with Jake's studs
  153. Northstar tranny pan bolt.
  154. Head Gasket Gurus, In here!
  155. head bolt torque info?????
  156. Drivability Problems 94 Eldorado
  157. Cadillac Specialties, Good work???
  158. HG repair in DC, MD or VA???
  159. bolt pattern differences between L37 and LD8?
  160. informative.......
  161. Dry Film Lubricants.
  162. Temp gauge position, what is the basis for this?
  163. Mustang 4.6L Injectors on Northstars?
  164. oil pump spacer driver
  165. 2000 and up N* engines?
  166. 94 Eldorado 4T80E No Forward Gears After Shift Solenoid Change
  167. anyone MARRYYLANNDD??????
  168. Better Mileage out of LD8 Northstar
  169. Service Emissions system message
  170. 2002 Deville Multiple codes, rough idle, surging at high RPM
  171. Interesting oil info
  172. Fuel Filter location 95 deville concours 4.6
  173. 95 Deville Concours 4.6 bucking while in gear and AC compressor on
  174. threading for norms inserts
  175. 95 deville 4.6 northstar ISC clicking
  176. Setting timing on 1999 STS after HG repair
  177. 96 Deville Problems
  178. Whats the deal with my o2 sensors
  179. 2000STS oil pan problems
  180. oil smells like gas low oil pressure
  181. Idles strangely when turning heat/ blower switch "on"
  182. OBDii USB scanner
  183. Last post, race car blew up
  184. Long Hard Starts
  185. 2000 Deville DTS upgrades
  186. What the heck is it?
  187. Purge line???
  188. Ideal IAT Sensor Conditions
  189. overheating issue
  190. Engines To Ship to USA via UPS - FINALLY ALL SET UP!
  191. After 17 years, GM is bidding farewell to the once groundbreaking NORTHSTAR
  192. Supercharger like whistle?
  193. 98 deville BlownHead Gasket???
  194. Cooling question I know Another one
  195. chocolate
  196. Damm leaking half seal, what about lucas?
  197. 2000 Cadillac Deville Speedo Problems!
  198. water pump pulley
  199. 01 deville just bought a lemon?
  200. 1999 STS V8 Northstar Engine Misfire / Smoke
  201. 99 Deville starting idle issue
  202. P1376, P0340, I'm desperate...
  203. A rep from General Motors is coming to my shop tomorrow!
  204. Reluctor wheel clocking?
  205. Combo electrical/fuel problem in race car
  206. head dowels
  207. peanut butter in coolant resevoir
  208. 96 STS P0171 & P0174 Code
  209. Battery or alternator
  210. I think my HGs are gone
  211. Please help need to finish tomorrow i am begging
  212. Have to swap engine and tranny in 2000 DHS
  213. I need two exhaust cams and 8 buckets for a 99
  214. 01 DTS running lean codes 0171, 0174 what to look for?
  215. 2000 deville dts rip
  216. 2002 STS RPM Limited... Airflow Sensor Issue or other?
  217. Is power steering and transmission fluid the same in a 94 seville
  218. Customer Paranoia with temp guage - need input from other members-
  219. oil in head bolt hole
  220. Exhaust leaks at Y-pipe to exhaust manifold and front ex. manifold to crossover pipe
  221. 5k rpm limit in 1st gear?
  222. Do I need a new crankshaft? :( pic inside
  223. Painting valve covers
  224. Another CRACKED 2000 block
  225. curious why,PCV vents different?
  226. Emissions Test: It's ok to burn oil eh?
  227. New owner of 99 Deville, avg. temp question
  228. Ac delco pf61e oil filter
  229. Bearings
  230. 94 and 95 intake different?
  231. Had Coolant Flush/Fill done at shop, - now a question
  232. 1994 seville STALLING.
  233. Drilling out the block
  234. Why won't tranny separate
  235. Cylinder head torque?
  236. Victor Reinz Headgasket kits
  237. slight engine miss
  238. Gapless Piston Rings
  239. Please Help!!! I am baffeled
  240. Anyone need a 00+ motor?
  241. Got gaskets?
  242. Head bolt reuse? thread sealer
  243. What - 99 STS No EGR passage ways?
  244. Northstar 8-6-4 Technology, Did it Ever Exist?
  245. 99 STS Cylinder head different than 97 STS Cylinder head (alternator bolt holes)
  246. Having trouble locating o2 sensors
  247. Oil Pressure Light + Warning
  248. Broken bell housing
  249. Burping coolant system????
  250. How much coolant