: Northstar Engines and System Technical Discussion



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  1. Head issues. Dealer says i need new engine!! HELP!!
  2. little green hoses on crossover????
  3. P23 code and intermittent engine skip
  4. Most effective ways to clean head and deck surfaces for head gasket change?
  5. Losing Coolant
  6. acceptable coolant usage?
  7. Northstar performance stud kit-how long does it take to get?
  8. Should I use this engine or not?
  9. Question: Is it possible to drill and tap a hole for the torque strut on a 96 north*?
  10. Concerns in the middle of headgasket repair!
  11. "Service Airbag System" Message
  12. Block Or New Engine
  13. will a 94 water pump cover fit on a 95?
  14. CRACKED block .2000 DTS rarity now reality
  15. oxygen sensor removal
  16. 2001 STS P0307. Stalls and hesitates under light acceleration
  17. fuel rail ground
  18. Hmmm. . .Interesting read. Running Compression Test
  19. To Hone or not to Hone
  20. Deville Warped Block can this be fixed?????
  21. Why would smoke be filling the valve covers?
  22. Doing the studs and head gaskets , would like suggestions for locking cams & crank
  23. 98 cadillac eldorado 4.6 engine questions
  24. A few northstar ??
  25. Cant remove EGR
  26. HELP it wont start!
  27. changes made in 2004
  28. 95 PCM question
  29. Power inconsistancy, acceleration, normal? More than one car..
  30. New bearings, new rings, 1000 miles and still burning oil
  31. '97 etc flooded after hot soak
  32. 2000 ETC, vin 9, will seville/deville vin 9 motors fit?
  33. Ac charging problems
  34. 1999 sts
  35. Strange PC 0741 code situation - '97 STS
  36. 8000+ rpm
  37. Steel Seal
  38. baby northstar question
  39. month and day of midyear headbolt change in 2003
  40. Bank 1/2004 Deville DTS
  41. Fuel Injector problem
  42. 2000-01 cam problem
  43. Battery drain
  44. 1998 DeVille Overheating
  45. Temperature Gauge Dampening
  46. 2000 Deville Overheated losing coolant.
  47. Temp gauge dampened? Here's the answer:
  48. 222 degrees B4 fans?
  49. question about new rebuild on 99 sts
  50. 1999 Concours
  51. Running tad bit cool - thermostat or ect sensor?
  52. What else is possibly left???
  53. Yahoo!! My car runs!! :-)
  54. 2001 Deville Stalls/rough idle
  55. Can you replace the HG with the engine in the car?
  56. just lost my oil pressure
  57. EGR valve
  58. stop engine, low oil pressure warning. oil full
  59. Perplexed. Can't figure out what this 1 connector goes to
  60. Blown Northstar V8
  61. Blower motor removal
  62. Recommended Serpentine Belt?
  63. Anyone know how to check an ac compressor
  64. Where to route the starter cable?
  65. Acronyms
  66. Runing Hotter than Usual
  67. Installing engine top dead center
  68. is there any place around philly that repairs northstar head gaskets?
  69. Down Pipe Should be Ported
  70. In a bind and need some info
  71. Notice to all Northstar Technicans; including the DIY crowd-
  72. Question for anyone who has used one of Jake's stud kits....
  73. Alas.....another head gasket has given up the ghost...
  74. How hard is it to convert a 3.11 transaxel to 3.73?
  75. 2001 Deville 224,000 mi.
  76. screwed up big time - need a coolant crossover
  77. Would you invest; if Northstar Performance offered investment plans?
  78. Pics of coolant test of exhaust gas/head gasket leaking?
  79. jakes studs
  80. thermostat housing drips
  81. 2000 Eldorado ETC 4.6L Head Gasket Questions
  82. Collaboration of ideas about Superchargers on FWD Northstar
  83. New engine rebuilt breakin procedure
  84. 95 Eldorado with Jake's studs
  85. Northstar tranny pan bolt.
  86. Head Gasket Gurus, In here!
  87. head bolt torque info?????
  88. Drivability Problems 94 Eldorado
  89. Cadillac Specialties, Good work???
  90. HG repair in DC, MD or VA???
  91. bolt pattern differences between L37 and LD8?
  92. informative.......
  93. Dry Film Lubricants.
  94. Temp gauge position, what is the basis for this?
  95. Mustang 4.6L Injectors on Northstars?
  96. oil pump spacer driver
  97. 2000 and up N* engines?
  98. 94 Eldorado 4T80E No Forward Gears After Shift Solenoid Change
  99. anyone MARRYYLANNDD??????
  100. Better Mileage out of LD8 Northstar
  101. Service Emissions system message
  102. 2002 Deville Multiple codes, rough idle, surging at high RPM
  103. Interesting oil info
  104. Fuel Filter location 95 deville concours 4.6
  105. 95 Deville Concours 4.6 bucking while in gear and AC compressor on
  106. threading for norms inserts
  107. 95 deville 4.6 northstar ISC clicking
  108. Setting timing on 1999 STS after HG repair
  109. 96 Deville Problems
  110. Whats the deal with my o2 sensors
  111. 2000STS oil pan problems
  112. oil smells like gas low oil pressure
  113. Idles strangely when turning heat/ blower switch "on"
  114. OBDii USB scanner
  115. Last post, race car blew up
  116. Long Hard Starts
  117. 2000 Deville DTS upgrades
  118. What the heck is it?
  119. Purge line???
  120. Ideal IAT Sensor Conditions
  121. overheating issue
  122. Engines To Ship to USA via UPS - FINALLY ALL SET UP!
  123. After 17 years, GM is bidding farewell to the once groundbreaking NORTHSTAR
  124. Supercharger like whistle?
  125. 98 deville BlownHead Gasket???
  126. Cooling question I know Another one
  127. chocolate
  128. Damm leaking half seal, what about lucas?
  129. 2000 Cadillac Deville Speedo Problems!
  130. water pump pulley
  131. 01 deville just bought a lemon?
  132. 1999 STS V8 Northstar Engine Misfire / Smoke
  133. 99 Deville starting idle issue
  134. P1376, P0340, I'm desperate...
  135. A rep from General Motors is coming to my shop tomorrow!
  136. Reluctor wheel clocking?
  137. Combo electrical/fuel problem in race car
  138. head dowels
  139. peanut butter in coolant resevoir
  140. 96 STS P0171 & P0174 Code
  141. Battery or alternator
  142. I think my HGs are gone
  143. Please help need to finish tomorrow i am begging
  144. Have to swap engine and tranny in 2000 DHS
  145. I need two exhaust cams and 8 buckets for a 99
  146. 01 DTS running lean codes 0171, 0174 what to look for?
  147. 2000 deville dts rip
  148. 2002 STS RPM Limited... Airflow Sensor Issue or other?
  149. Is power steering and transmission fluid the same in a 94 seville
  150. Customer Paranoia with temp guage - need input from other members-
  151. oil in head bolt hole
  152. Exhaust leaks at Y-pipe to exhaust manifold and front ex. manifold to crossover pipe
  153. 5k rpm limit in 1st gear?
  154. Do I need a new crankshaft? :( pic inside
  155. Painting valve covers
  156. Another CRACKED 2000 block
  157. curious why,PCV vents different?
  158. Emissions Test: It's ok to burn oil eh?
  159. New owner of 99 Deville, avg. temp question
  160. Ac delco pf61e oil filter
  161. Bearings
  162. 94 and 95 intake different?
  163. Had Coolant Flush/Fill done at shop, - now a question
  164. 1994 seville STALLING.
  165. Drilling out the block
  166. Why won't tranny separate
  167. Cylinder head torque?
  168. Victor Reinz Headgasket kits
  169. slight engine miss
  170. Gapless Piston Rings
  171. Please Help!!! I am baffeled
  172. Anyone need a 00+ motor?
  173. Got gaskets?
  174. Head bolt reuse? thread sealer
  175. What - 99 STS No EGR passage ways?
  176. Northstar 8-6-4 Technology, Did it Ever Exist?
  177. 99 STS Cylinder head different than 97 STS Cylinder head (alternator bolt holes)
  178. Having trouble locating o2 sensors
  179. Oil Pressure Light + Warning
  180. Broken bell housing
  181. Burping coolant system????
  182. How much coolant
  183. Check oil level but oil level is good?
  184. NEED HELP TODAY, Can't get tranny out
  185. Mysterious tube coming out of transmission, currently plugged.
  186. 99 ELDO ETC...PLZ HELP ME before I push this car into the river!!!
  187. Wanted!! NORTHSTAR specialist in /near Lancaster, Pa
  188. Guidance on Oil Dye and where the leak is
  189. Engine removal - can't get engine separated from transmission
  190. Northstar Swaps - What years are interchangeable and the differences
  191. Cracked Block? Thought it was rare
  192. 96 deville cant find ect sensor
  193. Someone else loves your ignition coils.......
  194. Ticking noises
  195. Northstar interchange
  196. Starter Replacement - It's not as bad as everyone thinks!
  197. More engines......NEED HELP DECODING
  198. ABS/Traction control light on (02 deville)
  199. 98 Seville STS running rough
  200. 00 N* VIN Y cyl 2 and 7 misfire or spark problems
  201. Renting engine mount?
  202. Here is an interesting problem!
  203. 2002 engine into 1998 model? Or swap body parts instead?
  204. Northstar headgasket job did I f up?
  205. High Idle and Thumping Breaks after Fuel Pump Replacement
  206. Need to confirm rear seal, please look
  207. Headgasket help timing tensioner
  208. 2002 Eldorado Plenum Change
  209. No gauges
  210. STS engine into SLS
  211. Turbo northstar in a truck!?
  212. 2nd Design "Cartridge" Rear Main Seal
  213. My 2000 Deville has the p0300 code, and possible p0420 code. Need help
  214. lifters (how do you no if it bad)
  215. Part Number For Idler Pulley Spacer
  216. Here is my dilemma
  217. IAC Question
  218. Guys need help with oil leak for racing caddy
  219. Turbo kit
  220. Oil Life Monitor Could someone Explain something please
  221. Spark Plugs
  222. Idler Pully Replacement
  223. 93 fuel pressure regulator
  224. Northstar Ring Cleaning Procedure and proper oil level TSB
  225. 2002 Eldorado rough idle
  226. no oil press after head gasket replacment
  227. 99 STS engine reinstallation question/problems
  228. Engine Kill Switch (where to put it)
  229. Coolant problem after HG job
  230. Northstar intake manifold swap question - 2000 redesign ?
  231. 1999 Deville wont start after engine swap?
  232. New Shop being set up in Western Canada & North Dakota
  233. how I fixed my p0410, p0420, p01860, and p0741 codes and made my DHS a convertible
  234. code 1406-EGR
  235. Head Gasket symptoms after Head Gasket repair
  236. 99 water crossover ?
  237. Clevite brand bearings
  238. Low Oil Pressure after Head Gasket Repair
  239. 99 Deville Runs Like S#!t
  240. head gasket manufacture
  241. Anybody have experience with rebuilt tranny from Rock Auto (Marshall)
  242. 98 model- HG or maybe WP?
  243. Codes, 0401, 0420, 0300, 0440
  244. chain tension between cams
  245. How to remove fuel rail 2002 model
  246. Damn this monster pump
  247. Engine Stall after hard driving
  248. WTF??? Have to pull the engine for oil pan gasket leak?
  249. Need to find a reputable transmission rebuilder
  250. Is my fuel pump bad??