: Northstar Engines and System Technical Discussion



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