: Northstar Engines and System Technical Discussion



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  1. For anyone on the fence as far as fixing their Northstar engine, read this.....
  2. Will this car blow another head gasket?
  3. Transmission transplant! Is it possible?!?
  4. Strange sound and stalling of 99 sts
  5. 1999 etc
  6. i would like to know how should a healthy northstar sound?
  7. ok still have stumble, error codes, between 900-1500 rpm
  8. It's official. Northstar Perfomance is moving.
  9. 2000 Eldorado - White Smoke from front passenger side
  10. More Power
  11. HG shop in NE Ohio that uses Jakes Studs just found it heres the info for anyone
  12. '97 Eldorado Starter issues.. Need help.
  13. Drill for studs with engine in the car
  14. New member-somewhat common question
  15. Rough dimensions and weight of a complete Northstar?
  16. Total cost of Head Gasket Repair
  17. Some bugs that appear to be electrical in nature...
  18. 3.5 from a 2002 Aurora
  19. Engine/Tranny mounts
  20. Cracked Block
  21. If you are in New England, and you have blown head gaskets, read this.....
  22. How many have really failed
  23. Oil Pan gasket help?
  24. Drilling holes in engine for Jakes Kit. . .best tool?
  25. p0300 ses flashing
  26. Zonie77
  27. Head issues. Dealer says i need new engine!! HELP!!
  28. little green hoses on crossover????
  29. P23 code and intermittent engine skip
  30. Most effective ways to clean head and deck surfaces for head gasket change?
  31. Losing Coolant
  32. acceptable coolant usage?
  33. Northstar performance stud kit-how long does it take to get?
  34. Should I use this engine or not?
  35. Question: Is it possible to drill and tap a hole for the torque strut on a 96 north*?
  36. Concerns in the middle of headgasket repair!
  37. "Service Airbag System" Message
  38. Block Or New Engine
  39. will a 94 water pump cover fit on a 95?
  40. CRACKED block .2000 DTS rarity now reality
  41. oxygen sensor removal
  42. 2001 STS P0307. Stalls and hesitates under light acceleration
  43. fuel rail ground
  44. Hmmm. . .Interesting read. Running Compression Test
  45. To Hone or not to Hone
  46. Deville Warped Block can this be fixed?????
  47. Why would smoke be filling the valve covers?
  48. Doing the studs and head gaskets , would like suggestions for locking cams & crank
  49. 98 cadillac eldorado 4.6 engine questions
  50. A few northstar ??
  51. Cant remove EGR
  52. HELP it wont start!
  53. changes made in 2004
  54. 95 PCM question
  55. Power inconsistancy, acceleration, normal? More than one car..
  56. New bearings, new rings, 1000 miles and still burning oil
  57. '97 etc flooded after hot soak
  58. 2000 ETC, vin 9, will seville/deville vin 9 motors fit?
  59. Ac charging problems
  60. 1999 sts
  61. Strange PC 0741 code situation - '97 STS
  62. 8000+ rpm
  63. Steel Seal
  64. baby northstar question
  65. month and day of midyear headbolt change in 2003
  66. Bank 1/2004 Deville DTS
  67. Fuel Injector problem
  68. 2000-01 cam problem
  69. Battery drain
  70. 1998 DeVille Overheating
  71. Temperature Gauge Dampening
  72. 2000 Deville Overheated losing coolant.
  73. Temp gauge dampened? Here's the answer:
  74. 222 degrees B4 fans?
  75. question about new rebuild on 99 sts
  76. 1999 Concours
  77. Running tad bit cool - thermostat or ect sensor?
  78. What else is possibly left???
  79. Yahoo!! My car runs!! :-)
  80. 2001 Deville Stalls/rough idle
  81. Can you replace the HG with the engine in the car?
  82. just lost my oil pressure
  83. EGR valve
  84. stop engine, low oil pressure warning. oil full
  85. Perplexed. Can't figure out what this 1 connector goes to
  86. Blown Northstar V8
  87. Blower motor removal
  88. Recommended Serpentine Belt?
  89. Anyone know how to check an ac compressor
  90. Where to route the starter cable?
  91. Acronyms
  92. Runing Hotter than Usual
  93. Installing engine top dead center
  94. is there any place around philly that repairs northstar head gaskets?
  95. Down Pipe Should be Ported
  96. In a bind and need some info
  97. Notice to all Northstar Technicans; including the DIY crowd-
  98. Question for anyone who has used one of Jake's stud kits....
  99. Alas.....another head gasket has given up the ghost...
  100. How hard is it to convert a 3.11 transaxel to 3.73?
  101. 2001 Deville 224,000 mi.
  102. screwed up big time - need a coolant crossover
  103. Would you invest; if Northstar Performance offered investment plans?
  104. Pics of coolant test of exhaust gas/head gasket leaking?
  105. jakes studs
  106. thermostat housing drips
  107. 2000 Eldorado ETC 4.6L Head Gasket Questions
  108. Collaboration of ideas about Superchargers on FWD Northstar
  109. New engine rebuilt breakin procedure
  110. 95 Eldorado with Jake's studs
  111. Northstar tranny pan bolt.
  112. Head Gasket Gurus, In here!
  113. head bolt torque info?????
  114. Drivability Problems 94 Eldorado
  115. Cadillac Specialties, Good work???
  116. HG repair in DC, MD or VA???
  117. bolt pattern differences between L37 and LD8?
  118. informative.......
  119. Dry Film Lubricants.
  120. Temp gauge position, what is the basis for this?
  121. Mustang 4.6L Injectors on Northstars?
  122. oil pump spacer driver
  123. 2000 and up N* engines?
  124. 94 Eldorado 4T80E No Forward Gears After Shift Solenoid Change
  125. anyone MARRYYLANNDD??????
  126. Better Mileage out of LD8 Northstar
  127. Service Emissions system message
  128. 2002 Deville Multiple codes, rough idle, surging at high RPM
  129. Interesting oil info
  130. Fuel Filter location 95 deville concours 4.6
  131. 95 Deville Concours 4.6 bucking while in gear and AC compressor on
  132. threading for norms inserts
  133. 95 deville 4.6 northstar ISC clicking
  134. Setting timing on 1999 STS after HG repair
  135. 96 Deville Problems
  136. Whats the deal with my o2 sensors
  137. 2000STS oil pan problems
  138. oil smells like gas low oil pressure
  139. Idles strangely when turning heat/ blower switch "on"
  140. OBDii USB scanner
  141. Last post, race car blew up
  142. Long Hard Starts
  143. 2000 Deville DTS upgrades
  144. What the heck is it?
  145. Purge line???
  146. Ideal IAT Sensor Conditions
  147. overheating issue
  148. Engines To Ship to USA via UPS - FINALLY ALL SET UP!
  149. After 17 years, GM is bidding farewell to the once groundbreaking NORTHSTAR
  150. Supercharger like whistle?
  151. 98 deville BlownHead Gasket???
  152. Cooling question I know Another one
  153. chocolate
  154. Damm leaking half seal, what about lucas?
  155. 2000 Cadillac Deville Speedo Problems!
  156. water pump pulley
  157. 01 deville just bought a lemon?
  158. 1999 STS V8 Northstar Engine Misfire / Smoke
  159. 99 Deville starting idle issue
  160. P1376, P0340, I'm desperate...
  161. A rep from General Motors is coming to my shop tomorrow!
  162. Reluctor wheel clocking?
  163. Combo electrical/fuel problem in race car
  164. head dowels
  165. peanut butter in coolant resevoir
  166. 96 STS P0171 & P0174 Code
  167. Battery or alternator
  168. I think my HGs are gone
  169. Please help need to finish tomorrow i am begging
  170. Have to swap engine and tranny in 2000 DHS
  171. I need two exhaust cams and 8 buckets for a 99
  172. 01 DTS running lean codes 0171, 0174 what to look for?
  173. 2000 deville dts rip
  174. 2002 STS RPM Limited... Airflow Sensor Issue or other?
  175. Is power steering and transmission fluid the same in a 94 seville
  176. Customer Paranoia with temp guage - need input from other members-
  177. oil in head bolt hole
  178. Exhaust leaks at Y-pipe to exhaust manifold and front ex. manifold to crossover pipe
  179. 5k rpm limit in 1st gear?
  180. Do I need a new crankshaft? :( pic inside
  181. Painting valve covers
  182. Another CRACKED 2000 block
  183. curious why,PCV vents different?
  184. Emissions Test: It's ok to burn oil eh?
  185. New owner of 99 Deville, avg. temp question
  186. Ac delco pf61e oil filter
  187. Bearings
  188. 94 and 95 intake different?
  189. Had Coolant Flush/Fill done at shop, - now a question
  190. 1994 seville STALLING.
  191. Drilling out the block
  192. Why won't tranny separate
  193. Cylinder head torque?
  194. Victor Reinz Headgasket kits
  195. slight engine miss
  196. Gapless Piston Rings
  197. Please Help!!! I am baffeled
  198. Anyone need a 00+ motor?
  199. Got gaskets?
  200. Head bolt reuse? thread sealer
  201. What - 99 STS No EGR passage ways?
  202. Northstar 8-6-4 Technology, Did it Ever Exist?
  203. 99 STS Cylinder head different than 97 STS Cylinder head (alternator bolt holes)
  204. Having trouble locating o2 sensors
  205. Oil Pressure Light + Warning
  206. Broken bell housing
  207. Burping coolant system????
  208. How much coolant
  209. Check oil level but oil level is good?
  210. NEED HELP TODAY, Can't get tranny out
  211. Mysterious tube coming out of transmission, currently plugged.
  212. 99 ELDO ETC...PLZ HELP ME before I push this car into the river!!!
  213. Wanted!! NORTHSTAR specialist in /near Lancaster, Pa
  214. Guidance on Oil Dye and where the leak is
  215. Engine removal - can't get engine separated from transmission
  216. Northstar Swaps - What years are interchangeable and the differences
  217. Cracked Block? Thought it was rare
  218. 96 deville cant find ect sensor
  219. Someone else loves your ignition coils.......
  220. Ticking noises
  221. Northstar interchange
  222. Starter Replacement - It's not as bad as everyone thinks!
  223. More engines......NEED HELP DECODING
  224. ABS/Traction control light on (02 deville)
  225. 98 Seville STS running rough
  226. 00 N* VIN Y cyl 2 and 7 misfire or spark problems
  227. Renting engine mount?
  228. Here is an interesting problem!
  229. 2002 engine into 1998 model? Or swap body parts instead?
  230. Northstar headgasket job did I f up?
  231. High Idle and Thumping Breaks after Fuel Pump Replacement
  232. Need to confirm rear seal, please look
  233. Headgasket help timing tensioner
  234. 2002 Eldorado Plenum Change
  235. No gauges
  236. STS engine into SLS
  237. Turbo northstar in a truck!?
  238. 2nd Design "Cartridge" Rear Main Seal
  239. My 2000 Deville has the p0300 code, and possible p0420 code. Need help
  240. lifters (how do you no if it bad)
  241. Part Number For Idler Pulley Spacer
  242. Here is my dilemma
  243. IAC Question
  244. Guys need help with oil leak for racing caddy
  245. Turbo kit
  246. Oil Life Monitor Could someone Explain something please
  247. Spark Plugs
  248. Idler Pully Replacement
  249. 93 fuel pressure regulator
  250. Northstar Ring Cleaning Procedure and proper oil level - TSB