: Northstar Engines and System Technical Discussion



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  1. Almost ready to go
  2. p0308 misfire, trying to find problem
  3. The use of Aftermarket reusable air filters
  4. Fuel pump :(
  5. Head gaskets X 2
  6. Long-term fuel trims up during deceleration
  7. Oil pressure after HG repair
  8. 240mph wooden car gets reversed flow NorthStar
  9. 98 sts stalling..aj..ranger...sub...help
  10. Water pump pulley disintegrating
  11. Regapping platinum plugs & best NA performance gap
  12. Head Gaskets Cause Coolent to Boil? And Repairs
  13. Engine swap
  14. Headgasket Vendor
  15. trans leak from a 4-80
  16. Loctite Red Gel REMOVAL!!!!!
  17. Service Emission System - No Acceleration
  18. Smoke
  19. 1996 Deville hard start and fuel pressure specs
  20. Doing my own head gasket
  21. 1997 cadillac deville performance?????
  22. 2005 STS with over 100k miles
  23. cadillac eldorado overheating but no oil in water
  24. 95 SLS w/ P076 Code - Trans pressure
  25. Where do you get Norms inserts?
  26. Engine heats up at idle (99 STS)
  27. Have two questions. Was looking around and found a leak.
  28. p1520 Trans Circuit
  29. Headgasket Fix for $1250
  30. Is it a head gasket?
  31. seriously clogged purge line! need help!
  32. Almost Overheating - is this Head Gasket ?
  33. Could Use Some Insight
  34. OBD Code E-119
  35. Deville Motor Swap 1997 to 1997 sts
  36. Took on my friend's LS1 *VID*
  37. 94 northstar cooling issue
  38. OIL FILTER/oil/AIR FILTER? What do you use on your N*?
  39. Time-sert kit
  40. 95 SLS Water Pump Removal Impact Wrench or Not?
  41. 2000 Deville Mechanical Issues *HELP*
  42. Can this be possible?
  43. looking for spark plugs
  44. need correct belt size to bypass ac comp on 97 concours
  45. DYI or NOT, Blown waterpump housing gasket
  46. Northstar 4.0 Aurora 97 interchangability
  47. Programmable ECU for STS 4.6L?
  48. Rough Idle Question For Ewill3rd
  49. Bought a Timesert kit on Ebay, what else do I need to install Norms inserts?
  50. loss of power overheating issues HELP
  51. What Anti-Freeze
  52. 50 Deville - Code = P0300 current
  53. New Owner/Member w/ n*star question
  54. P0300 - Timing Off
  55. intake gaskets
  56. Northstar 4.6 Coolant loss - but only under load
  57. 2000 deville or 1997 eldorado
  58. Northstar head gasket failures
  59. GM Top Engine Cleaner
  60. Coolent Temp
  61. Going to the track
  62. N* cylinder numbers
  63. Witnessed some component fail, what to do?
  64. Overhaeting Or Not or Maybe PLEASE HELP
  65. Non ACDelco Part?
  66. Electrical Problems With 94' Seville
  67. No HI cooling fan speed?
  68. Where to cut?? cradle bolt just spins
  69. engine ID
  70. Timing Chain Slack
  71. 2000 Deville Head gasket?
  72. 2000 Dts Front Engine Mount - Best Way To Change?
  73. coolant level deville 98
  74. Drag Race Calculator...
  75. engine swap pipe dreams
  76. Ingnition MAx Fuse burns out to stall 99 deville
  77. 98 sts what fits
  78. Northstar engine performance in my 01' DeVille DHS
  79. starter woes
  80. Intermittent spark loss on random coils 94' STS
  81. Disable the SIR
  82. Can you pull the front head with the engine in the car?
  83. Mechanics - Chicago area - Help
  84. Northstar Plenum Woes
  85. How to change pulley
  86. Engine to trans. bracket locations
  87. Is this an LT5
  88. 2001 Northstar in a 93 sts?
  89. no spark
  90. 1994 Cadillac STS
  91. Manifold or water pump causing overheating???
  92. Northstar crank sensor locations
  93. Quick engine swap question
  94. Solid Front Engine Mounts
  95. 98 deville no blower motor
  96. Still overheating
  97. Serpentine Belt
  98. couple of cooling sistem questions
  99. How many gallons Dex-Cool will I need.....
  100. oil can lite on and engine shuts down
  101. cat recomendations
  102. Therma Gasket Fixed My Head Leak
  103. Ignition Module Pin Out
  104. HG or paranoia?
  105. 2000 SLS keeps stalling
  106. another n* head gasket question
  107. Do you know what this part is?
  108. N* dissassembled engine found
  109. This Is Not a Joke
  110. My Rough Idle Story, So Far...
  111. 02 SLS running rough after pulling air box silencer
  112. 97 SLS N* Overheating quickly
  113. '95 STS Stuck in 3rd Gear
  114. 98 Deville non-functional engine cooler fan
  115. Post up your NORTHSTAR GAS MILEAGE (CTY/HWY) PLZ!
  116. 300hp N* to a Base N*
  117. Added my 99 STS to the HeadGasket poll...
  118. ATTN: All Volant owners
  119. 93 octane + WOT = rattle?
  120. Drill Guide for Head Bolt Inserts
  121. Idle issue when cold
  122. 94 el dorado starter location
  123. 1-2 At 45 Now Instead Of 40?
  124. Northstar fuel rail redesign
  125. 95 Eldorado with disturbing sound...
  126. Deville 98 coolant
  127. Is this the beginning of the end for my STS?
  128. 1994 Deville con
  129. 01 Olds Aurora Question...
  130. Coolant overflow?
  131. Switching a 1998 Northstar with a 2005 ?
  132. What to do with my 2000 DTS?
  133. Oh
  134. Headgasket info?
  135. Blown Engine???
  136. Fuel Induction System Specs
  137. Car is over heating?
  138. '02 STS Drain Plug Issue
  139. Oil guzzling 2003 Deville Northstar V8
  140. Cracked Block, exterior, 1997 Northstar
  141. Coil Bank Problems
  142. balancer bolt
  143. 2000 DeVille Overheats
  144. sounds like harmonic balancer??
  145. Over heating
  146. MSD Plug wires
  147. Delphi/Packard vs Delco Plug Wires
  148. HG Failure, Round 2
  149. new fuel injector & upper engine cleaner
  150. Tranny Question
  151. Location of ALL o2 sensors
  152. Hey Guys
  153. 93 Eldorado Sport Coupe Vs Touring Coupe
  154. ac compressor problem???
  155. Combustion Leak Detection
  156. Po41 code set
  157. Porting the throttlebody
  158. Another 97 DeVille Overheating Issue
  159. Can '03 Seville display digital coolant temp reading?
  160. BARS Head Gasket Fix and Aux Fan control
  161. Whistling pressure relief on N* Intake Manifold???
  162. Who needs a Timesert kit- I have one!!
  163. where does this thing go (headgasket job)
  164. Hard Start
  165. any tips on removing coolant crossover?
  166. 1996 Deville Intake??
  167. Performing "block" test from Napa
  168. Service A/c and A/C compressor off
  169. draining trans fluid 4T80E
  170. no start lots of codes network ?
  171. engine swap
  172. 1993 to 1999 Cam Wear Fix
  173. 94 Eldo ETC
  174. Need diagnosis - 98 STS overheating
  175. Professional Coolant Flush
  176. 4T80-E transaxle
  177. Oil Adapter housing Problems :(
  178. Head gasket, possibly cracked block...
  179. etanol blend, what does it do to the n?
  180. Loaded '03 STS 103k great shape - Dealer says it's the head gaskets.
  181. Problem with my Fast Chip
  182. Is there a Northstar FAQ section?
  183. 97 sts auto radio shut off
  184. Severe engine miss at idle-dirty gas in filter
  185. How Do I Change the ignition switch
  186. Cadillac De Ville 1999 OverHeat
  187. NO START, but the battery is good
  188. STS "Limited to 90 Miles an Hour" Message
  189. 1997 STS Ghostly Noise from Vacuum Leak?
  190. 4T80E bellhousing: starter?
  191. Blown Head Gasket On A 97 Deville
  192. North Star & Transmission Issues
  193. Head Gaskets
  194. Oil Housing
  195. North Star & Transmission Issues
  196. 4t80e problems
  197. Reverse problem someone please help me please
  198. AC & Intake
  199. '99 El Dorado Trans Question 2
  200. '99 El Dorado Tranaxle Modulator Location and Replacement
  201. Compression and oil consumption
  202. Anyone sells lower temperature thermostats?
  203. 1996 Deville Trouble Codes--Help Me!
  204. Aftermarket coils
  205. 05 STS V8 pcm reprogramming?
  206. '99 El Dorado White Smoke 70 mph and up
  207. Decel Stall
  208. no crank
  209. Who wants headers?!?!
  210. replacing oil pressure sending unit
  211. Northstar intermittent heating problem
  212. Compressed Natural Gas
  213. Proper A/C Recharge Pressure Spec?
  214. Head Bolt Torque
  215. what to do with a code
  216. Need headgaskets replaced...Twin Cities, MN area...
  217. Help finding exterior ground location IC Module
  218. Ran out of gas - Now will not start
  219. Hard Starting N* And Unknown Code
  220. Just wanted to check on some codes P0171 and P0134
  221. Ignition Miss - '98 DeVille
  222. Oil Testing, laboratories, and Additives
  223. What timesert kit is this referencing?
  224. Block Test Confirms!...or ?
  225. 2000 Deville with Denso plugs
  226. VIN or other link to body stamped on block?
  227. Prevent head gasket failure
  228. 2000 DeVille Northstar Problem
  229. Previously Timeserted block?
  230. turbo charging a Northstar
  231. p1350 & p1375 codes?
  232. bad fuel economy, rough(er) idle, need help!
  233. What gets relearned after battery disconnect?
  234. idle speed control
  235. 99 Deville Hesitation during Acceleration
  236. strange noise please help
  237. What happen to my overdrive???????
  238. Northstar Overheating!!! HELP
  239. After Timesert HG Repair Service Schedule?
  240. Top engine compartment struts
  241. '01 Deville with Half case leak, any temp fixes/band-aides?
  242. crankshaft sensor location ?
  243. Anyone heard of this?
  244. Are All Xlr's The New Style Closed Deck?
  245. MAF Translator
  246. Are A & B Crankshaft Position Sensors the same sensor??
  247. How much bubbling in surge tank indicates bad head gasket?
  248. Sick Baby
  249. Jet Power Flow Mass Air Sensor
  250. Everything You ever Wanted To Know About Cooling System Sealant Tabs