: Northstar Engines and System Technical Discussion



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  1. What the heck is it?
  2. Purge line???
  3. Ideal IAT Sensor Conditions
  4. overheating issue
  5. Engines To Ship to USA via UPS - FINALLY ALL SET UP!
  6. After 17 years, GM is bidding farewell to the once groundbreaking NORTHSTAR
  7. Supercharger like whistle?
  8. 98 deville BlownHead Gasket???
  9. Cooling question I know Another one
  10. chocolate
  11. Damm leaking half seal, what about lucas?
  12. 2000 Cadillac Deville Speedo Problems!
  13. water pump pulley
  14. 01 deville just bought a lemon?
  15. 1999 STS V8 Northstar Engine Misfire / Smoke
  16. 99 Deville starting idle issue
  17. P1376, P0340, I'm desperate...
  18. A rep from General Motors is coming to my shop tomorrow!
  19. Reluctor wheel clocking?
  20. Combo electrical/fuel problem in race car
  21. head dowels
  22. peanut butter in coolant resevoir
  23. 96 STS P0171 & P0174 Code
  24. Battery or alternator
  25. I think my HGs are gone
  26. Please help need to finish tomorrow i am begging
  27. Have to swap engine and tranny in 2000 DHS
  28. I need two exhaust cams and 8 buckets for a 99
  29. 01 DTS running lean codes 0171, 0174 what to look for?
  30. 2000 deville dts rip
  31. 2002 STS RPM Limited... Airflow Sensor Issue or other?
  32. Is power steering and transmission fluid the same in a 94 seville
  33. Customer Paranoia with temp guage - need input from other members-
  34. oil in head bolt hole
  35. Exhaust leaks at Y-pipe to exhaust manifold and front ex. manifold to crossover pipe
  36. 5k rpm limit in 1st gear?
  37. Do I need a new crankshaft? :( pic inside
  38. Painting valve covers
  39. Another CRACKED 2000 block
  40. curious why,PCV vents different?
  41. Emissions Test: It's ok to burn oil eh?
  42. New owner of 99 Deville, avg. temp question
  43. Ac delco pf61e oil filter
  44. Bearings
  45. 94 and 95 intake different?
  46. Had Coolant Flush/Fill done at shop, - now a question
  47. 1994 seville STALLING.
  48. Drilling out the block
  49. Why won't tranny separate
  50. Cylinder head torque?
  51. Victor Reinz Headgasket kits
  52. slight engine miss
  53. Gapless Piston Rings
  54. Please Help!!! I am baffeled
  55. Anyone need a 00+ motor?
  56. Got gaskets?
  57. Head bolt reuse? thread sealer
  58. What - 99 STS No EGR passage ways?
  59. Northstar 8-6-4 Technology, Did it Ever Exist?
  60. 99 STS Cylinder head different than 97 STS Cylinder head (alternator bolt holes)
  61. Having trouble locating o2 sensors
  62. Oil Pressure Light + Warning
  63. Broken bell housing
  64. Burping coolant system????
  65. How much coolant
  66. Check oil level but oil level is good?
  67. NEED HELP TODAY, Can't get tranny out
  68. Mysterious tube coming out of transmission, currently plugged.
  69. 99 ELDO ETC...PLZ HELP ME before I push this car into the river!!!
  70. Wanted!! NORTHSTAR specialist in /near Lancaster, Pa
  71. Guidance on Oil Dye and where the leak is
  72. Engine removal - can't get engine separated from transmission
  73. Northstar Swaps - What years are interchangeable and the differences
  74. Cracked Block? Thought it was rare
  75. 96 deville cant find ect sensor
  76. Someone else loves your ignition coils.......
  77. Ticking noises
  78. Northstar interchange
  79. Starter Replacement - It's not as bad as everyone thinks!
  80. More engines......NEED HELP DECODING
  81. ABS/Traction control light on (02 deville)
  82. 98 Seville STS running rough
  83. 00 N* VIN Y cyl 2 and 7 misfire or spark problems
  84. Renting engine mount?
  85. Here is an interesting problem!
  86. 2002 engine into 1998 model? Or swap body parts instead?
  87. Northstar headgasket job did I f up?
  88. High Idle and Thumping Breaks after Fuel Pump Replacement
  89. Need to confirm rear seal, please look
  90. Headgasket help timing tensioner
  91. 2002 Eldorado Plenum Change
  92. No gauges
  93. STS engine into SLS
  94. Turbo northstar in a truck!?
  95. 2nd Design "Cartridge" Rear Main Seal
  96. My 2000 Deville has the p0300 code, and possible p0420 code. Need help
  97. lifters (how do you no if it bad)
  98. Part Number For Idler Pulley Spacer
  99. Here is my dilemma
  100. IAC Question
  101. Guys need help with oil leak for racing caddy
  102. Turbo kit
  103. Oil Life Monitor Could someone Explain something please
  104. Spark Plugs
  105. Idler Pully Replacement
  106. 93 fuel pressure regulator
  107. Northstar Ring Cleaning Procedure
  108. 2002 Eldorado rough idle
  109. no oil press after head gasket replacment
  110. 99 STS engine reinstallation question/problems
  111. Engine Kill Switch (where to put it)
  112. Coolant problem after HG job
  113. 1999 Deville wont start after engine swap?
  114. New Shop being set up in Western Canada & North Dakota
  115. how I fixed my p0410, p0420, p01860, and p0741 codes and made my DHS a convertible
  116. code 1406-EGR
  117. Head Gasket symptoms after Head Gasket repair
  118. 99 water crossover ?
  119. Clevite brand bearings
  120. Low Oil Pressure after Head Gasket Repair
  121. 99 Deville Runs Like S#!t
  122. head gasket manufacture
  123. Anybody have experience with rebuilt tranny from Rock Auto (Marshall)
  124. 98 model- HG or maybe WP?
  125. Codes, 0401, 0420, 0300, 0440
  126. chain tension between cams
  127. How to remove fuel rail 2002 model
  128. Damn this monster pump
  129. Engine Stall after hard driving
  130. WTF??? Have to pull the engine for oil pan gasket leak?
  131. Need to find a reputable transmission rebuilder
  132. Is my fuel pump bad??
  133. replaced starter, now the engine runs like crap
  134. Sometimes No Heat
  135. Anyone know what size allthread for cradle drop?
  136. Jakes Sur Grip Stud - Norms NS300L Sirt- Time Sirt's Wich have you doen
  137. I am swapping my engine for one of Jake's, how hard to rebuild tranny myself?
  138. 2001 dts p0420
  139. Northstar Engine Parts Galore!
  140. Have you Had your HG's GO ?
  141. Its official, cadillacs are junk!!!!!!!!!!!!!
  142. Head Gasket Repair
  143. 1995 eldorado need help identifying black wire
  144. Random misfires & loss of fuel pressure!! Help...
  145. Coolant fan wiring
  146. Help! Water pump issue
  147. O2 sensor trouble codes after engine installed
  148. changing cams
  149. No spark, in need of assistance.
  150. Blown head gaskets but no pulled/stripped bolts?
  151. 2000+ LD8 vs L37 - What's the diff?
  152. Burping the cooling system?
  153. Help idntifying northstar engine!!
  154. Motor mount advice
  155. # 2 cylin misfire
  156. SLS 2000 Northstar
  157. are pre 2000 blocks the same
  158. Just got a 95 seized for next to free
  159. 2006 DTS Oil & ATF
  160. Anyone have the rear coil pack for the 01 eldo
  161. Oil in coolant tank
  162. I'm one of you again........ bought another N* car
  163. Running lean all of a sudden
  164. 2002 Eldorado rough idle
  165. high hc on smog test/ evap connections
  166. 98 deville northstar msd coil packs?
  167. Fuel Pressure Regulator
  168. O2 sensors are driving me nuts!
  169. Oil level sensor & alternator terminal hookup
  170. 96 STS High Idle After Highway Run
  171. Northstar Fiero + CRHFAB 272 cams with Misfires and stalls
  172. Oil on plug #2 causing rough idle/misifre?
  173. major problem with my HG job
  174. Temp Gauge
  175. Spark Plugs
  176. PLEASE HELP Need harness help after stud job
  177. Installing new belt Tensioner
  178. 99 Eldo ETC Codes p1375, P1654, B2502
  179. Misfire
  180. studs for block
  181. Wire boot stuck in cylinder 2
  182. How do I get spark signal for chassis dyno
  183. i need 1 ns300l norms insert please help
  184. PCV oil catch can, intake sludge
  185. Blown head gaskets, cracked cylinder heads, or both?
  186. Oil Usage with Synthetic Vs. Mineral
  187. What year N* engine block will work for 2000 deville
  188. Vacuum line question
  189. Service Suspension System
  190. Surging/Stalling When Warm, Lean Codes -- Not Plenum
  191. Misfiring and Surging 2000 Seville
  192. great deal on head studs
  193. Anyone want studs with their head gasket job in illinois
  194. Normal Compression on a correctly timed 1996 N*
  195. 1994 Northstar, jumpy acceleration, back fires, loss of power at times
  196. head removal
  197. Anyone change their Northstar valve cover gaskets??
  198. engine question
  199. High pressure p/s hose
  200. Fluid Change vs Fluid Flush...
  201. Wester's, Northstar Performance, and CHRFAB. Working together for one FAST FWD
  202. 1995 STS hard start and stall problem
  203. serpentine belt feels like its dragging when accelerating
  204. Pc1139
  205. PCM P0741 Error Code / 2000RPM IDLE - 99 STS
  206. Northstar engine water flooded
  207. Dowel Problem!
  208. NS front exh manifold
  209. would you?
  210. 98 deville motor mounts....
  211. Front Cover Gasket help
  212. Think the Northstar headgasket job is bad??
  213. Wierd shudder - torque converter?
  214. Engine hot!!! Should I be worried????
  215. Fuel Injection Services, Are they worth it?
  216. Product Distributors needed throughout the USA - $$$ in it for you
  217. 99 4.6L n* Conversion Gasket Set
  218. studs vs. inserts
  219. 300,000 miles... I made it!!
  220. 2003 northstar misfire
  221. How often are blocks not re-useable for rebuild?
  222. P041 No Cam reference signal from ignition control module
  223. Oil pan gasket material?
  224. 03 STS using 1qt oil every 800mi - Should I be worried?
  225. Did your Northstar's Y pipe come obstructed from the factory? Mine did (with pics)
  226. northstar governer/limiter
  227. speed limiting question
  228. Water pump to head gaskets?
  229. Sensors going? -15c out.. i dont wana look...
  230. headgasket
  231. studs aren't straight
  232. 1997 sts
  233. 98 deville blue smoke and burning smell at high rpms.
  234. Head Alignment Dowel ???
  235. Is it a head gasket?
  236. Oil pressure at cranking speed on a rebuilt engine
  237. 98 deville best oil for low oil oil consumption?
  238. Huge savings on Head Gasket Jobs - only $1320 USD
  239. TPS relearn
  240. Water pump tensioner pulley replaced
  241. Do you have to remove the alternator?
  242. Frustrated
  243. Engine Swap 2000 STS into a 1998 STS
  244. Loud ticking at idle.
  245. High Idle Causes
  246. V8 camshaft tool set help?
  247. readings with snapon scanner
  248. 99 sts won't start please help a newbie
  249. Coolant tube question
  250. 2002 Eldorado Drive Belt Plus Maintenance