: Northstar Engines and System Technical Discussion



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