: Northstar Engines and System Technical Discussion



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