: Northstar Engines and System Technical Discussion



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  1. Head Bolt/Stud Placement
  2. Still No Luck
  3. Suggestions: Alternator Repair on water cooled 99 Cadillac Seville Alternator
  4. Hot hot hot then not???
  5. intake leak at rear of manifold
  6. coolant leaks out end of new hose while clamped on pump and radiator.......?
  7. '99 DeVille, probably blown head gasket
  8. Ball bearings, pulleys, and grease
  9. Oil Question
  10. Upgrades to the Stud Kits -
  11. Aurora northstar based 4.0... computer issues... help!
  12. piston slap now!? come onnnn!?!?!?
  13. I have officially left the N* fold...
  14. Ok i did it
  15. Dex or Age? Your Thoughts?
  16. Northstar well designed? Are you on crack???
  17. interesting stuff..........
  18. Good Mechanic in Dallas, TX for HG job?
  19. R&R of heater pipes
  20. Incredible discounts- head gasket work, engines, you name it -
  21. For anyone on the fence as far as fixing their Northstar engine, read this.....
  22. Will this car blow another head gasket?
  23. Transmission transplant! Is it possible?!?
  24. Strange sound and stalling of 99 sts
  25. 1999 etc
  26. i would like to know how should a healthy northstar sound?
  27. ok still have stumble, error codes, between 900-1500 rpm
  28. It's official. Northstar Perfomance is moving.
  29. 2000 Eldorado - White Smoke from front passenger side
  30. More Power
  31. HG shop in NE Ohio that uses Jakes Studs just found it heres the info for anyone
  32. '97 Eldorado Starter issues.. Need help.
  33. Drill for studs with engine in the car
  34. New member-somewhat common question
  35. Rough dimensions and weight of a complete Northstar?
  36. Total cost of Head Gasket Repair
  37. Some bugs that appear to be electrical in nature...
  38. 3.5 from a 2002 Aurora
  39. Engine/Tranny mounts
  40. Cracked Block
  41. If you are in New England, and you have blown head gaskets, read this.....
  42. How many have really failed
  43. Oil Pan gasket help?
  44. Drilling holes in engine for Jakes Kit. . .best tool?
  45. p0300 ses flashing
  46. Zonie77
  47. Head issues. Dealer says i need new engine!! HELP!!
  48. little green hoses on crossover????
  49. P23 code and intermittent engine skip
  50. Most effective ways to clean head and deck surfaces for head gasket change?
  51. Losing Coolant
  52. acceptable coolant usage?
  53. Northstar performance stud kit-how long does it take to get?
  54. Should I use this engine or not?
  55. Question: Is it possible to drill and tap a hole for the torque strut on a 96 north*?
  56. Concerns in the middle of headgasket repair!
  57. "Service Airbag System" Message
  58. Block Or New Engine
  59. will a 94 water pump cover fit on a 95?
  60. CRACKED block .2000 DTS rarity now reality
  61. oxygen sensor removal
  62. 2001 STS P0307. Stalls and hesitates under light acceleration
  63. fuel rail ground
  64. Hmmm. . .Interesting read. Running Compression Test
  65. To Hone or not to Hone
  66. Deville Warped Block can this be fixed?????
  67. Why would smoke be filling the valve covers?
  68. Doing the studs and head gaskets , would like suggestions for locking cams & crank
  69. 98 cadillac eldorado 4.6 engine questions
  70. A few northstar ??
  71. Cant remove EGR
  72. HELP it wont start!
  73. changes made in 2004
  74. 95 PCM question
  75. Power inconsistancy, acceleration, normal? More than one car..
  76. New bearings, new rings, 1000 miles and still burning oil
  77. '97 etc flooded after hot soak
  78. 2000 ETC, vin 9, will seville/deville vin 9 motors fit?
  79. Ac charging problems
  80. 1999 sts
  81. Strange PC 0741 code situation - '97 STS
  82. 8000+ rpm
  83. Steel Seal
  84. baby northstar question
  85. month and day of midyear headbolt change in 2003
  86. Bank 1/2004 Deville DTS
  87. Fuel Injector problem
  88. 2000-01 cam problem
  89. Battery drain
  90. 1998 DeVille Overheating
  91. Temperature Gauge Dampening
  92. 2000 Deville Overheated losing coolant.
  93. Temp gauge dampened? Here's the answer:
  94. 222 degrees B4 fans?
  95. question about new rebuild on 99 sts
  96. 1999 Concours
  97. Running tad bit cool - thermostat or ect sensor?
  98. What else is possibly left???
  99. Yahoo!! My car runs!! :-)
  100. 2001 Deville Stalls/rough idle
  101. Can you replace the HG with the engine in the car?
  102. just lost my oil pressure
  103. EGR valve
  104. stop engine, low oil pressure warning. oil full
  105. Perplexed. Can't figure out what this 1 connector goes to
  106. Blown Northstar V8
  107. Blower motor removal
  108. Recommended Serpentine Belt?
  109. Anyone know how to check an ac compressor
  110. Where to route the starter cable?
  111. Acronyms
  112. Runing Hotter than Usual
  113. Installing engine top dead center
  114. is there any place around philly that repairs northstar head gaskets?
  115. Down Pipe Should be Ported
  116. In a bind and need some info
  117. Notice to all Northstar Technicans; including the DIY crowd-
  118. Question for anyone who has used one of Jake's stud kits....
  119. Alas.....another head gasket has given up the ghost...
  120. How hard is it to convert a 3.11 transaxel to 3.73?
  121. 2001 Deville 224,000 mi.
  122. screwed up big time - need a coolant crossover
  123. Would you invest; if Northstar Performance offered investment plans?
  124. Pics of coolant test of exhaust gas/head gasket leaking?
  125. jakes studs
  126. thermostat housing drips
  127. 2000 Eldorado ETC 4.6L Head Gasket Questions
  128. Collaboration of ideas about Superchargers on FWD Northstar
  129. New engine rebuilt breakin procedure
  130. 95 Eldorado with Jake's studs
  131. Northstar tranny pan bolt.
  132. Head Gasket Gurus, In here!
  133. head bolt torque info?????
  134. Drivability Problems 94 Eldorado
  135. Cadillac Specialties, Good work???
  136. HG repair in DC, MD or VA???
  137. bolt pattern differences between L37 and LD8?
  138. informative.......
  139. Dry Film Lubricants.
  140. Temp gauge position, what is the basis for this?
  141. Mustang 4.6L Injectors on Northstars?
  142. oil pump spacer driver
  143. 2000 and up N* engines?
  144. 94 Eldorado 4T80E No Forward Gears After Shift Solenoid Change
  145. anyone MARRYYLANNDD??????
  146. Better Mileage out of LD8 Northstar
  147. Service Emissions system message
  148. 2002 Deville Multiple codes, rough idle, surging at high RPM
  149. Interesting oil info
  150. Fuel Filter location 95 deville concours 4.6
  151. 95 Deville Concours 4.6 bucking while in gear and AC compressor on
  152. threading for norms inserts
  153. 95 deville 4.6 northstar ISC clicking
  154. Setting timing on 1999 STS after HG repair
  155. 96 Deville Problems
  156. Whats the deal with my o2 sensors
  157. 2000STS oil pan problems
  158. oil smells like gas low oil pressure
  159. Idles strangely when turning heat/ blower switch "on"
  160. OBDii USB scanner
  161. Last post, race car blew up
  162. Long Hard Starts
  163. 2000 Deville DTS upgrades
  164. What the heck is it?
  165. Purge line???
  166. Ideal IAT Sensor Conditions
  167. overheating issue
  168. Engines To Ship to USA via UPS - FINALLY ALL SET UP!
  169. After 17 years, GM is bidding farewell to the once groundbreaking NORTHSTAR
  170. Supercharger like whistle?
  171. 98 deville BlownHead Gasket???
  172. Cooling question I know Another one
  173. chocolate
  174. Damm leaking half seal, what about lucas?
  175. 2000 Cadillac Deville Speedo Problems!
  176. water pump pulley
  177. 01 deville just bought a lemon?
  178. 1999 STS V8 Northstar Engine Misfire / Smoke
  179. 99 Deville starting idle issue
  180. P1376, P0340, I'm desperate...
  181. A rep from General Motors is coming to my shop tomorrow!
  182. Reluctor wheel clocking?
  183. Combo electrical/fuel problem in race car
  184. head dowels
  185. peanut butter in coolant resevoir
  186. 96 STS P0171 & P0174 Code
  187. Battery or alternator
  188. I think my HGs are gone
  189. Please help need to finish tomorrow i am begging
  190. Have to swap engine and tranny in 2000 DHS
  191. I need two exhaust cams and 8 buckets for a 99
  192. 01 DTS running lean codes 0171, 0174 what to look for?
  193. 2000 deville dts rip
  194. 2002 STS RPM Limited... Airflow Sensor Issue or other?
  195. Is power steering and transmission fluid the same in a 94 seville
  196. Customer Paranoia with temp guage - need input from other members-
  197. oil in head bolt hole
  198. Exhaust leaks at Y-pipe to exhaust manifold and front ex. manifold to crossover pipe
  199. 5k rpm limit in 1st gear?
  200. Do I need a new crankshaft? :( pic inside
  201. Painting valve covers
  202. Another CRACKED 2000 block
  203. curious why,PCV vents different?
  204. Emissions Test: It's ok to burn oil eh?
  205. New owner of 99 Deville, avg. temp question
  206. Ac delco pf61e oil filter
  207. Bearings
  208. 94 and 95 intake different?
  209. Had Coolant Flush/Fill done at shop, - now a question
  210. 1994 seville STALLING.
  211. Drilling out the block
  212. Why won't tranny separate
  213. Cylinder head torque?
  214. Victor Reinz Headgasket kits
  215. slight engine miss
  216. Gapless Piston Rings
  217. Please Help!!! I am baffeled
  218. Anyone need a 00+ motor?
  219. Got gaskets?
  220. Head bolt reuse? thread sealer
  221. What - 99 STS No EGR passage ways?
  222. Northstar 8-6-4 Technology, Did it Ever Exist?
  223. 99 STS Cylinder head different than 97 STS Cylinder head (alternator bolt holes)
  224. Having trouble locating o2 sensors
  225. Oil Pressure Light + Warning
  226. Broken bell housing
  227. Burping coolant system????
  228. How much coolant
  229. Check oil level but oil level is good?
  230. NEED HELP TODAY, Can't get tranny out
  231. Mysterious tube coming out of transmission, currently plugged.
  232. 99 ELDO ETC...PLZ HELP ME before I push this car into the river!!!
  233. Wanted!! NORTHSTAR specialist in /near Lancaster, Pa
  234. Guidance on Oil Dye and where the leak is
  235. Engine removal - can't get engine separated from transmission
  236. Northstar Swaps - What years are interchangeable and the differences
  237. Cracked Block? Thought it was rare
  238. 96 deville cant find ect sensor
  239. Someone else loves your ignition coils.......
  240. Ticking noises
  241. Northstar interchange
  242. Starter Replacement - It's not as bad as everyone thinks!
  243. More engines......NEED HELP DECODING
  244. ABS/Traction control light on (02 deville)
  245. 98 Seville STS running rough
  246. 00 N* VIN Y cyl 2 and 7 misfire or spark problems
  247. Renting engine mount?
  248. Here is an interesting problem!
  249. 2002 engine into 1998 model? Or swap body parts instead?
  250. Northstar headgasket job did I f up?