: Northstar Engines and System Technical Discussion



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  1. Intake manifold
  2. How Can I prevent a blown head gasket problem
  3. steam out of tailpipes
  4. 93 STS cooling system/h-gasket problem
  5. Hard shifting and codes 0719 and 0732?
  6. 2000 devile Northstar 4.6 running hot
  7. Repairs to a 4T80E after 600+ hp
  8. Water crossover re-assembly
  9. Electric fans arent coming on / overheating
  10. 94 sts key stuck wont start
  11. Overheating problem...
  12. Engine surges?
  13. Front Bank Misfire
  14. Drag tips or suggestions for 03 DTS.
  15. looking for plug wires
  16. Eldorado Dog Bones on a STS/DTS
  17. Permanent HG Repair - Give an old N* new life
  18. 1999 Eldorado engine whine
  19. Where is oil filter?
  20. 95 Eldorado stalling
  21. P0300 code....AGAIN!
  22. 2 northstars ?
  23. Smoke after shutdown... Classic N* oil leak issue?
  24. Heal-a-seal
  25. Northstar Cold idle Knock?
  26. intermittent issue with burning smell
  27. Update on Turbo 99STS
  28. Aurora 4.0 V8
  29. 97 SLS engine problem
  30. Car will not start, backfired smoke form under hood on pass. side
  31. LOW COOLANT warning
  32. A list of factory stock quarter mile times?
  33. Northstar engines are a joke
  34. Please help with eratic idle!!!!!!!!!!
  35. Volkswagen Northstar ????
  36. Air Fuel Ratio on Narrow-Band O2 Sensor
  37. Did I Post This Question in The Wrong Place?
  38. small coolent leak
  39. mechanical oil pressure gage sending unit location
  40. Fuel rail
  41. Where is the PCM
  42. Two more codes ?
  43. 02' DHS overheating!!!!
  44. 2000 Deville Code P1860
  45. Head gasket repair "corpus christi, tx"
  46. OBD2 Scantool for Northstar Engine to monitor knock?
  47. Northstar Gas Mileage
  48. Help ASAP:will 96/97 power train exchange?
  49. Repair head gasket Or buy remanufactured eng
  50. 2000 STS Head gasket problem?
  51. 2001 STS motor mount?
  52. wrong alternator
  53. Another P1860/P0741 repair
  54. 2001 Seville Water pump?
  55. Information on P0741 & P1860. 1998+
  56. Philistines
  57. Opinions on N* nitrous use.
  58. 97 deville hard starting, no codes
  59. oil cooler
  60. Blown Head Gaskets?
  61. I need a water pump drive pulley please help
  62. Intake Backfire
  63. Dyno Run
  64. Replaced Engine 99 STS a few electrical issues!!!
  65. Drivetrain Efficiency
  66. What Gas Are You Using?
  67. pulled code pcm0443
  68. 05 sts v8 engine light
  69. Please Help P300
  70. Almost ready to go
  71. p0308 misfire, trying to find problem
  72. The use of Aftermarket reusable air filters
  73. Fuel pump :(
  74. Head gaskets X 2
  75. Long-term fuel trims up during deceleration
  76. Oil pressure after HG repair
  77. 240mph wooden car gets reversed flow NorthStar
  78. 98 sts stalling..aj..ranger...sub...help
  79. Water pump pulley disintegrating
  80. Regapping platinum plugs & best NA performance gap
  81. Head Gaskets Cause Coolent to Boil? And Repairs
  82. Engine swap
  83. Headgasket Vendor
  84. trans leak from a 4-80
  85. Loctite Red Gel REMOVAL!!!!!
  86. Service Emission System - No Acceleration
  87. Smoke
  88. 1996 Deville hard start and fuel pressure specs
  89. Doing my own head gasket
  90. 1997 cadillac deville performance?????
  91. 2005 STS with over 100k miles
  92. cadillac eldorado overheating but no oil in water
  93. 95 SLS w/ P076 Code - Trans pressure
  94. Where do you get Norms inserts?
  95. Engine heats up at idle (99 STS)
  96. Have two questions. Was looking around and found a leak.
  97. p1520 Trans Circuit
  98. Headgasket Fix for $1250
  99. Is it a head gasket?
  100. seriously clogged purge line! need help!
  101. Almost Overheating - is this Head Gasket ?
  102. Could Use Some Insight
  103. OBD Code E-119
  104. Deville Motor Swap 1997 to 1997 sts
  105. Took on my friend's LS1 *VID*
  106. 94 northstar cooling issue
  107. OIL FILTER/oil/AIR FILTER? What do you use on your N*?
  108. Time-sert kit
  109. 95 SLS Water Pump Removal Impact Wrench or Not?
  110. 2000 Deville Mechanical Issues *HELP*
  111. Can this be possible?
  112. looking for spark plugs
  113. need correct belt size to bypass ac comp on 97 concours
  114. DYI or NOT, Blown waterpump housing gasket
  115. Northstar 4.0 Aurora 97 interchangability
  116. Programmable ECU for STS 4.6L?
  117. Rough Idle Question For Ewill3rd
  118. Bought a Timesert kit on Ebay, what else do I need to install Norms inserts?
  119. loss of power overheating issues HELP
  120. What Anti-Freeze
  121. 50 Deville - Code = P0300 current
  122. New Owner/Member w/ n*star question
  123. P0300 - Timing Off
  124. intake gaskets
  125. Northstar 4.6 Coolant loss - but only under load
  126. 2000 deville or 1997 eldorado
  127. Northstar head gasket failures
  128. GM Top Engine Cleaner
  129. Coolent Temp
  130. Going to the track
  131. N* cylinder numbers
  132. Witnessed some component fail, what to do?
  133. Overhaeting Or Not or Maybe PLEASE HELP
  134. Non ACDelco Part?
  135. Electrical Problems With 94' Seville
  136. No HI cooling fan speed?
  137. Where to cut?? cradle bolt just spins
  138. engine ID
  139. Timing Chain Slack
  140. 2000 Deville Head gasket?
  141. 2000 Dts Front Engine Mount - Best Way To Change?
  142. coolant level deville 98
  143. Drag Race Calculator...
  144. engine swap pipe dreams
  145. Ingnition MAx Fuse burns out to stall 99 deville
  146. 98 sts what fits
  147. Northstar engine performance in my 01' DeVille DHS
  148. starter woes
  149. Intermittent spark loss on random coils 94' STS
  150. Disable the SIR
  151. Can you pull the front head with the engine in the car?
  152. Mechanics - Chicago area - Help
  153. Northstar Plenum Woes
  154. How to change pulley
  155. Engine to trans. bracket locations
  156. Is this an LT5
  157. 2001 Northstar in a 93 sts?
  158. no spark
  159. 1994 Cadillac STS
  160. Manifold or water pump causing overheating???
  161. Northstar crank sensor locations
  162. Quick engine swap question
  163. Solid Front Engine Mounts
  164. 98 deville no blower motor
  165. Still overheating
  166. Serpentine Belt
  167. couple of cooling sistem questions
  168. How many gallons Dex-Cool will I need.....
  169. oil can lite on and engine shuts down
  170. cat recomendations
  171. Therma Gasket Fixed My Head Leak
  172. Ignition Module Pin Out
  173. HG or paranoia?
  174. 2000 SLS keeps stalling
  175. another n* head gasket question
  176. Do you know what this part is?
  177. N* dissassembled engine found
  178. This Is Not a Joke
  179. My Rough Idle Story, So Far...
  180. 02 SLS running rough after pulling air box silencer
  181. 97 SLS N* Overheating quickly
  182. '95 STS Stuck in 3rd Gear
  183. 98 Deville non-functional engine cooler fan
  184. Post up your NORTHSTAR GAS MILEAGE (CTY/HWY) PLZ!
  185. 300hp N* to a Base N*
  186. Added my 99 STS to the HeadGasket poll...
  187. ATTN: All Volant owners
  188. 93 octane + WOT = rattle?
  189. Drill Guide for Head Bolt Inserts
  190. Idle issue when cold
  191. 94 el dorado starter location
  192. 1-2 At 45 Now Instead Of 40?
  193. Northstar fuel rail redesign
  194. 95 Eldorado with disturbing sound...
  195. Deville 98 coolant
  196. Is this the beginning of the end for my STS?
  197. 1994 Deville con
  198. 01 Olds Aurora Question...
  199. Coolant overflow?
  200. Switching a 1998 Northstar with a 2005 ?
  201. What to do with my 2000 DTS?
  202. Oh
  203. Headgasket info?
  204. Blown Engine???
  205. Fuel Induction System Specs
  206. Car is over heating?
  207. '02 STS Drain Plug Issue
  208. Oil guzzling 2003 Deville Northstar V8
  209. Cracked Block, exterior, 1997 Northstar
  210. Coil Bank Problems
  211. balancer bolt
  212. 2000 DeVille Overheats
  213. sounds like harmonic balancer??
  214. Over heating
  215. MSD Plug wires
  216. Delphi/Packard vs Delco Plug Wires
  217. HG Failure, Round 2
  218. new fuel injector & upper engine cleaner
  219. Tranny Question
  220. Location of ALL o2 sensors
  221. Hey Guys
  222. 93 Eldorado Sport Coupe Vs Touring Coupe
  223. ac compressor problem???
  224. Combustion Leak Detection
  225. Po41 code set
  226. Porting the throttlebody
  227. Another 97 DeVille Overheating Issue
  228. Can '03 Seville display digital coolant temp reading?
  229. BARS Head Gasket Fix and Aux Fan control
  230. Whistling pressure relief on N* Intake Manifold???
  231. Who needs a Timesert kit- I have one!!
  232. where does this thing go (headgasket job)
  233. Hard Start
  234. any tips on removing coolant crossover?
  235. 1996 Deville Intake??
  236. Performing "block" test from Napa
  237. Service A/c and A/C compressor off
  238. draining trans fluid 4T80E
  239. no start lots of codes network ?
  240. engine swap
  241. 1993 to 1999 Cam Wear Fix
  242. 94 Eldo ETC
  243. Need diagnosis - 98 STS overheating
  244. Professional Coolant Flush
  245. 4T80-E transaxle
  246. Oil Adapter housing Problems :(
  247. Head gasket, possibly cracked block...
  248. etanol blend, what does it do to the n?
  249. Loaded '03 STS 103k great shape - Dealer says it's the head gaskets.
  250. Problem with my Fast Chip