: Northstar Engines and System Technical Discussion



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  1. Anyone need a 00+ motor?
  2. Got gaskets?
  3. Head bolt reuse? thread sealer
  4. What - 99 STS No EGR passage ways?
  5. Northstar 8-6-4 Technology, Did it Ever Exist?
  6. 99 STS Cylinder head different than 97 STS Cylinder head (alternator bolt holes)
  7. Having trouble locating o2 sensors
  8. Oil Pressure Light + Warning
  9. Broken bell housing
  10. Burping coolant system????
  11. How much coolant
  12. Check oil level but oil level is good?
  13. NEED HELP TODAY, Can't get tranny out
  14. Mysterious tube coming out of transmission, currently plugged.
  15. 99 ELDO ETC...PLZ HELP ME before I push this car into the river!!!
  16. Wanted!! NORTHSTAR specialist in /near Lancaster, Pa
  17. Guidance on Oil Dye and where the leak is
  18. Engine removal - can't get engine separated from transmission
  19. Northstar Swaps - What years are interchangeable and the differences
  20. Cracked Block? Thought it was rare
  21. 96 deville cant find ect sensor
  22. Someone else loves your ignition coils.......
  23. Ticking noises
  24. Northstar interchange
  25. Starter Replacement - It's not as bad as everyone thinks!
  26. More engines......NEED HELP DECODING
  27. ABS/Traction control light on (02 deville)
  28. 98 Seville STS running rough
  29. 00 N* VIN Y cyl 2 and 7 misfire or spark problems
  30. Renting engine mount?
  31. Here is an interesting problem!
  32. 2002 engine into 1998 model? Or swap body parts instead?
  33. Northstar headgasket job did I f up?
  34. High Idle and Thumping Breaks after Fuel Pump Replacement
  35. Need to confirm rear seal, please look
  36. Headgasket help timing tensioner
  37. 2002 Eldorado Plenum Change
  38. No gauges
  39. STS engine into SLS
  40. Turbo northstar in a truck!?
  41. 2nd Design "Cartridge" Rear Main Seal
  42. My 2000 Deville has the p0300 code, and possible p0420 code. Need help
  43. lifters (how do you no if it bad)
  44. Part Number For Idler Pulley Spacer
  45. Here is my dilemma
  46. IAC Question
  47. Guys need help with oil leak for racing caddy
  48. Turbo kit
  49. Oil Life Monitor Could someone Explain something please
  50. Spark Plugs
  51. Idler Pully Replacement
  52. 93 fuel pressure regulator
  53. Northstar Ring Cleaning Procedure and proper oil level - TSB
  54. 2002 Eldorado rough idle
  55. no oil press after head gasket replacment
  56. 99 STS engine reinstallation question/problems
  57. Engine Kill Switch (where to put it)
  58. Coolant problem after HG job
  59. Northstar intake manifold swap question - 2000 redesign ?
  60. 1999 Deville wont start after engine swap?
  61. New Shop being set up in Western Canada & North Dakota
  62. how I fixed my p0410, p0420, p01860, and p0741 codes and made my DHS a convertible
  63. code 1406-EGR
  64. Head Gasket symptoms after Head Gasket repair
  65. 99 water crossover ?
  66. Clevite brand bearings
  67. Low Oil Pressure after Head Gasket Repair
  68. 99 Deville Runs Like S#!t
  69. head gasket manufacture
  70. Anybody have experience with rebuilt tranny from Rock Auto (Marshall)
  71. 98 model- HG or maybe WP?
  72. Codes, 0401, 0420, 0300, 0440
  73. chain tension between cams
  74. How to remove fuel rail 2002 model
  75. Damn this monster pump
  76. Engine Stall after hard driving
  77. WTF??? Have to pull the engine for oil pan gasket leak?
  78. Need to find a reputable transmission rebuilder
  79. Is my fuel pump bad??
  80. replaced starter, now the engine runs like crap
  81. Sometimes No Heat
  82. Anyone know what size allthread for cradle drop?
  83. Jakes Sur Grip Stud - Norms NS300L Sirt- Time Sirt's Wich have you doen
  84. I am swapping my engine for one of Jake's, how hard to rebuild tranny myself?
  85. 2001 dts p0420
  86. Northstar Engine Parts Galore!
  87. Have you Had your HG's GO ?
  88. Its official, cadillacs are junk!!!!!!!!!!!!!
  89. Head Gasket Repair
  90. 1995 eldorado need help identifying black wire
  91. Random misfires & loss of fuel pressure!! Help...
  92. Coolant fan wiring
  93. Help! Water pump issue
  94. O2 sensor trouble codes after engine installed
  95. changing cams
  96. No spark, in need of assistance.
  97. Blown head gaskets but no pulled/stripped bolts?
  98. 2000+ LD8 vs L37 - What's the diff?
  99. Burping the cooling system?
  100. Help idntifying northstar engine!!
  101. Motor mount advice
  102. # 2 cylin misfire
  103. SLS 2000 Northstar
  104. are pre 2000 blocks the same
  105. Just got a 95 seized for next to free
  106. 2006 DTS Oil & ATF
  107. Anyone have the rear coil pack for the 01 eldo
  108. Oil in coolant tank
  109. I'm one of you again........ bought another N* car
  110. Running lean all of a sudden
  111. 2002 Eldorado rough idle
  112. high hc on smog test/ evap connections
  113. 98 deville northstar msd coil packs?
  114. Fuel Pressure Regulator
  115. O2 sensors are driving me nuts!
  116. Oil level sensor & alternator terminal hookup
  117. 96 STS High Idle After Highway Run
  118. Northstar Fiero + CRHFAB 272 cams with Misfires and stalls
  119. Oil on plug #2 causing rough idle/misifre?
  120. major problem with my HG job
  121. Temp Gauge
  122. Spark Plugs
  123. PLEASE HELP Need harness help after stud job
  124. Installing new belt Tensioner
  125. 99 Eldo ETC Codes p1375, P1654, B2502
  126. Misfire
  127. studs for block
  128. Wire boot stuck in cylinder 2
  129. How do I get spark signal for chassis dyno
  130. i need 1 ns300l norms insert please help
  131. PCV oil catch can, intake sludge
  132. Blown head gaskets, cracked cylinder heads, or both?
  133. Oil Usage with Synthetic Vs. Mineral
  134. What year N* engine block will work for 2000 deville
  135. Vacuum line question
  136. Service Suspension System
  137. Surging/Stalling When Warm, Lean Codes -- Not Plenum
  138. Misfiring and Surging 2000 Seville
  139. great deal on head studs
  140. Anyone want studs with their head gasket job in illinois
  141. Normal Compression on a correctly timed 1996 N*
  142. 1994 Northstar, jumpy acceleration, back fires, loss of power at times
  143. head removal
  144. Anyone change their Northstar valve cover gaskets??
  145. engine question
  146. High pressure p/s hose
  147. Fluid Change vs Fluid Flush...
  148. Wester's, Northstar Performance, and CHRFAB. Working together for one FAST FWD
  149. 1995 STS hard start and stall problem
  150. serpentine belt feels like its dragging when accelerating
  151. Pc1139
  152. PCM P0741 Error Code / 2000RPM IDLE - 99 STS
  153. Northstar engine water flooded
  154. Dowel Problem!
  155. NS front exh manifold
  156. would you?
  157. 98 deville motor mounts....
  158. Front Cover Gasket help
  159. Think the Northstar headgasket job is bad??
  160. Wierd shudder - torque converter?
  161. Engine hot!!! Should I be worried????
  162. Fuel Injection Services, Are they worth it?
  163. Product Distributors needed throughout the USA - $$$ in it for you
  164. 99 4.6L n* Conversion Gasket Set
  165. studs vs. inserts
  166. 300,000 miles... I made it!!
  167. 2003 northstar misfire
  168. How often are blocks not re-useable for rebuild?
  169. P041 No Cam reference signal from ignition control module
  170. Oil pan gasket material?
  171. 03 STS using 1qt oil every 800mi - Should I be worried?
  172. Did your Northstar's Y pipe come obstructed from the factory? Mine did (with pics)
  173. northstar governer/limiter
  174. speed limiting question
  175. Water pump to head gaskets?
  176. Sensors going? -15c out.. i dont wana look...
  177. headgasket
  178. studs aren't straight
  179. 1997 sts
  180. 98 deville blue smoke and burning smell at high rpms.
  181. Head Alignment Dowel ???
  182. Is it a head gasket?
  183. Oil pressure at cranking speed on a rebuilt engine
  184. 98 deville best oil for low oil oil consumption?
  185. Huge savings on Head Gasket Jobs - only $1320 USD
  186. TPS relearn
  187. Water pump tensioner pulley replaced
  188. Do you have to remove the alternator?
  189. Frustrated
  190. Engine Swap 2000 STS into a 1998 STS
  191. Loud ticking at idle.
  192. High Idle Causes
  193. V8 camshaft tool set help?
  194. readings with snapon scanner
  195. 99 sts won't start please help a newbie
  196. Coolant tube question
  197. 2002 Eldorado Drive Belt Plus Maintenance
  198. 1994 STS - ECM replaced, road speed surge
  199. cracked block issue, common??
  200. 1994 Eldorado Thermostat
  201. 93 Northstar Block
  202. Coil Pack Test
  203. Head Gasket - Ran in 2nd Gear & Temp Went Down?
  204. 99 sts running rich
  205. fuel line clips on the tranny
  206. Alternator question 94 seville
  207. ? about rear main seal and flywheel bolts
  208. Jake stud kit installation
  209. Steering shaft to rack coupler help?
  210. Pre-2000 Ignition Control Module (ICM) - How It Works
  211. head gasket repair in Iowa or surrounding states
  212. Coil Pack - P0300 Culprit
  213. No Fire from 1 coil pack! ?'s about ignition!
  214. Never installed coolant supplement pellets, bad?
  215. Upgrade
  216. Deal or no deal?
  217. Waterpump removal doh
  218. Ugg todays northstar problem, please help
  219. want to buy a 95 eldorado with northstar
  220. 100k question
  221. N* easiest cadillac engine to work on
  222. 1996 Deville N*
  223. Advice on engine teardown TOMORROW
  224. Can you blow the head gasket driving without pressurized coolant?
  225. 2000 DHS engine swap
  226. Valve keepers fell off! But valve still in there!
  227. Why do so many people do it the hard way.
  228. timing chain with engine in car
  229. P0306 and P0300 codes CKP changed
  230. Car temperture went up after putting stop leak in
  231. ok ok... so engine out the top... what???
  232. power steering lock up
  233. 4t80 extension housing, what part
  234. BackFire Valve
  235. Grumble, engine dropping questions
  236. URGENT WORKING RIGHT NOW Fuel Line Removal
  237. Seeping Oil Pan Gasket
  238. Quick help need on 4L80
  239. couple of quick questions on my deville
  240. Bubbles on trans fluid dipstick bad?
  241. RACE FANS Free beer 1/16-1/17 if you live around Richmond (sorta)
  242. 4.6 Northstar
  243. Going in again! HG's first, now torque converter
  244. engine vacuum line?
  245. 160* Thermostat?
  246. Jake clear out your mailbox
  247. help! erratic idle, no codes :-x
  248. Oil looks like crap, advice please
  249. Zero compression in Cylinder 2
  250. I smell coolant