: Northstar Engines and System Technical Discussion



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