: Northstar Engines and System Technical Discussion



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  1. New member-somewhat common question
  2. Rough dimensions and weight of a complete Northstar?
  3. Total cost of Head Gasket Repair
  4. Some bugs that appear to be electrical in nature...
  5. 3.5 from a 2002 Aurora
  6. Engine/Tranny mounts
  7. Cracked Block
  8. If you are in New England, and you have blown head gaskets, read this.....
  9. How many have really failed
  10. Oil Pan gasket help?
  11. Drilling holes in engine for Jakes Kit. . .best tool?
  12. p0300 ses flashing
  13. Zonie77
  14. Head issues. Dealer says i need new engine!! HELP!!
  15. little green hoses on crossover????
  16. P23 code and intermittent engine skip
  17. Most effective ways to clean head and deck surfaces for head gasket change?
  18. Losing Coolant
  19. acceptable coolant usage?
  20. Northstar performance stud kit-how long does it take to get?
  21. Should I use this engine or not?
  22. Question: Is it possible to drill and tap a hole for the torque strut on a 96 north*?
  23. Concerns in the middle of headgasket repair!
  24. "Service Airbag System" Message
  25. Block Or New Engine
  26. will a 94 water pump cover fit on a 95?
  27. CRACKED block .2000 DTS rarity now reality
  28. oxygen sensor removal
  29. 2001 STS P0307. Stalls and hesitates under light acceleration
  30. fuel rail ground
  31. Hmmm. . .Interesting read. Running Compression Test
  32. To Hone or not to Hone
  33. Deville Warped Block can this be fixed?????
  34. Why would smoke be filling the valve covers?
  35. Doing the studs and head gaskets , would like suggestions for locking cams & crank
  36. 98 cadillac eldorado 4.6 engine questions
  37. A few northstar ??
  38. Cant remove EGR
  39. HELP it wont start!
  40. changes made in 2004
  41. 95 PCM question
  42. Power inconsistancy, acceleration, normal? More than one car..
  43. New bearings, new rings, 1000 miles and still burning oil
  44. '97 etc flooded after hot soak
  45. 2000 ETC, vin 9, will seville/deville vin 9 motors fit?
  46. Ac charging problems
  47. 1999 sts
  48. Strange PC 0741 code situation - '97 STS
  49. 8000+ rpm
  50. Steel Seal
  51. baby northstar question
  52. month and day of midyear headbolt change in 2003
  53. Bank 1/2004 Deville DTS
  54. Fuel Injector problem
  55. 2000-01 cam problem
  56. Battery drain
  57. 1998 DeVille Overheating
  58. Temperature Gauge Dampening
  59. 2000 Deville Overheated losing coolant.
  60. Temp gauge dampened? Here's the answer:
  61. 222 degrees B4 fans?
  62. question about new rebuild on 99 sts
  63. 1999 Concours
  64. Running tad bit cool - thermostat or ect sensor?
  65. What else is possibly left???
  66. Yahoo!! My car runs!! :-)
  67. 2001 Deville Stalls/rough idle
  68. Can you replace the HG with the engine in the car?
  69. just lost my oil pressure
  70. EGR valve
  71. stop engine, low oil pressure warning. oil full
  72. Perplexed. Can't figure out what this 1 connector goes to
  73. Blown Northstar V8
  74. Blower motor removal
  75. Recommended Serpentine Belt?
  76. Anyone know how to check an ac compressor
  77. Where to route the starter cable?
  78. Acronyms
  79. Runing Hotter than Usual
  80. Installing engine top dead center
  81. is there any place around philly that repairs northstar head gaskets?
  82. Down Pipe Should be Ported
  83. In a bind and need some info
  84. Notice to all Northstar Technicans; including the DIY crowd-
  85. Question for anyone who has used one of Jake's stud kits....
  86. Alas.....another head gasket has given up the ghost...
  87. How hard is it to convert a 3.11 transaxel to 3.73?
  88. 2001 Deville 224,000 mi.
  89. screwed up big time - need a coolant crossover
  90. Would you invest; if Northstar Performance offered investment plans?
  91. Pics of coolant test of exhaust gas/head gasket leaking?
  92. jakes studs
  93. thermostat housing drips
  94. 2000 Eldorado ETC 4.6L Head Gasket Questions
  95. Collaboration of ideas about Superchargers on FWD Northstar
  96. New engine rebuilt breakin procedure
  97. 95 Eldorado with Jake's studs
  98. Northstar tranny pan bolt.
  99. Head Gasket Gurus, In here!
  100. head bolt torque info?????
  101. Drivability Problems 94 Eldorado
  102. Cadillac Specialties, Good work???
  103. HG repair in DC, MD or VA???
  104. bolt pattern differences between L37 and LD8?
  105. informative.......
  106. Dry Film Lubricants.
  107. Temp gauge position, what is the basis for this?
  108. Mustang 4.6L Injectors on Northstars?
  109. oil pump spacer driver
  110. 2000 and up N* engines?
  111. 94 Eldorado 4T80E No Forward Gears After Shift Solenoid Change
  112. anyone MARRYYLANNDD??????
  113. Better Mileage out of LD8 Northstar
  114. Service Emissions system message
  115. 2002 Deville Multiple codes, rough idle, surging at high RPM
  116. Interesting oil info
  117. Fuel Filter location 95 deville concours 4.6
  118. 95 Deville Concours 4.6 bucking while in gear and AC compressor on
  119. threading for norms inserts
  120. 95 deville 4.6 northstar ISC clicking
  121. Setting timing on 1999 STS after HG repair
  122. 96 Deville Problems
  123. Whats the deal with my o2 sensors
  124. 2000STS oil pan problems
  125. oil smells like gas low oil pressure
  126. Idles strangely when turning heat/ blower switch "on"
  127. OBDii USB scanner
  128. Last post, race car blew up
  129. Long Hard Starts
  130. 2000 Deville DTS upgrades
  131. What the heck is it?
  132. Purge line???
  133. Ideal IAT Sensor Conditions
  134. overheating issue
  135. Engines To Ship to USA via UPS - FINALLY ALL SET UP!
  136. After 17 years, GM is bidding farewell to the once groundbreaking NORTHSTAR
  137. Supercharger like whistle?
  138. 98 deville BlownHead Gasket???
  139. Cooling question I know Another one
  140. chocolate
  141. Damm leaking half seal, what about lucas?
  142. 2000 Cadillac Deville Speedo Problems!
  143. water pump pulley
  144. 01 deville just bought a lemon?
  145. 1999 STS V8 Northstar Engine Misfire / Smoke
  146. 99 Deville starting idle issue
  147. P1376, P0340, I'm desperate...
  148. A rep from General Motors is coming to my shop tomorrow!
  149. Reluctor wheel clocking?
  150. Combo electrical/fuel problem in race car
  151. head dowels
  152. peanut butter in coolant resevoir
  153. 96 STS P0171 & P0174 Code
  154. Battery or alternator
  155. I think my HGs are gone
  156. Please help need to finish tomorrow i am begging
  157. Have to swap engine and tranny in 2000 DHS
  158. I need two exhaust cams and 8 buckets for a 99
  159. 01 DTS running lean codes 0171, 0174 what to look for?
  160. 2000 deville dts rip
  161. 2002 STS RPM Limited... Airflow Sensor Issue or other?
  162. Is power steering and transmission fluid the same in a 94 seville
  163. Customer Paranoia with temp guage - need input from other members-
  164. oil in head bolt hole
  165. Exhaust leaks at Y-pipe to exhaust manifold and front ex. manifold to crossover pipe
  166. 5k rpm limit in 1st gear?
  167. Do I need a new crankshaft? :( pic inside
  168. Painting valve covers
  169. Another CRACKED 2000 block
  170. curious why,PCV vents different?
  171. Emissions Test: It's ok to burn oil eh?
  172. New owner of 99 Deville, avg. temp question
  173. Ac delco pf61e oil filter
  174. Bearings
  175. 94 and 95 intake different?
  176. Had Coolant Flush/Fill done at shop, - now a question
  177. 1994 seville STALLING.
  178. Drilling out the block
  179. Why won't tranny separate
  180. Cylinder head torque?
  181. Victor Reinz Headgasket kits
  182. slight engine miss
  183. Gapless Piston Rings
  184. Please Help!!! I am baffeled
  185. Anyone need a 00+ motor?
  186. Got gaskets?
  187. Head bolt reuse? thread sealer
  188. What - 99 STS No EGR passage ways?
  189. Northstar 8-6-4 Technology, Did it Ever Exist?
  190. 99 STS Cylinder head different than 97 STS Cylinder head (alternator bolt holes)
  191. Having trouble locating o2 sensors
  192. Oil Pressure Light + Warning
  193. Broken bell housing
  194. Burping coolant system????
  195. How much coolant
  196. Check oil level but oil level is good?
  197. NEED HELP TODAY, Can't get tranny out
  198. Mysterious tube coming out of transmission, currently plugged.
  199. 99 ELDO ETC...PLZ HELP ME before I push this car into the river!!!
  200. Wanted!! NORTHSTAR specialist in /near Lancaster, Pa
  201. Guidance on Oil Dye and where the leak is
  202. Engine removal - can't get engine separated from transmission
  203. Northstar Swaps - What years are interchangeable and the differences
  204. Cracked Block? Thought it was rare
  205. 96 deville cant find ect sensor
  206. Someone else loves your ignition coils.......
  207. Ticking noises
  208. Northstar interchange
  209. Starter Replacement - It's not as bad as everyone thinks!
  210. More engines......NEED HELP DECODING
  211. ABS/Traction control light on (02 deville)
  212. 98 Seville STS running rough
  213. 00 N* VIN Y cyl 2 and 7 misfire or spark problems
  214. Renting engine mount?
  215. Here is an interesting problem!
  216. 2002 engine into 1998 model? Or swap body parts instead?
  217. Northstar headgasket job did I f up?
  218. High Idle and Thumping Breaks after Fuel Pump Replacement
  219. Need to confirm rear seal, please look
  220. Headgasket help timing tensioner
  221. 2002 Eldorado Plenum Change
  222. No gauges
  223. STS engine into SLS
  224. Turbo northstar in a truck!?
  225. 2nd Design "Cartridge" Rear Main Seal
  226. My 2000 Deville has the p0300 code, and possible p0420 code. Need help
  227. lifters (how do you no if it bad)
  228. Part Number For Idler Pulley Spacer
  229. Here is my dilemma
  230. IAC Question
  231. Guys need help with oil leak for racing caddy
  232. Turbo kit
  233. Oil Life Monitor Could someone Explain something please
  234. Spark Plugs
  235. Idler Pully Replacement
  236. 93 fuel pressure regulator
  237. Northstar Ring Cleaning Procedure and proper oil level - TSB
  238. 2002 Eldorado rough idle
  239. no oil press after head gasket replacment
  240. 99 STS engine reinstallation question/problems
  241. Engine Kill Switch (where to put it)
  242. Coolant problem after HG job
  243. Northstar intake manifold swap question - 2000 redesign ?
  244. 1999 Deville wont start after engine swap?
  245. New Shop being set up in Western Canada & North Dakota
  246. how I fixed my p0410, p0420, p01860, and p0741 codes and made my DHS a convertible
  247. code 1406-EGR
  248. Head Gasket symptoms after Head Gasket repair
  249. 99 water crossover ?
  250. Clevite brand bearings