: Northstar Engines and System Technical Discussion



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