: Northstar Engines and System Technical Discussion



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  1. Drivetrain Efficiency
  2. What Gas Are You Using?
  3. pulled code pcm0443
  4. 05 sts v8 engine light
  5. Please Help P300
  6. Almost ready to go
  7. p0308 misfire, trying to find problem
  8. The use of Aftermarket reusable air filters
  9. Fuel pump :(
  10. Head gaskets X 2
  11. Long-term fuel trims up during deceleration
  12. Oil pressure after HG repair
  13. 240mph wooden car gets reversed flow NorthStar
  14. 98 sts stalling..aj..ranger...sub...help
  15. Water pump pulley disintegrating
  16. Regapping platinum plugs & best NA performance gap
  17. Head Gaskets Cause Coolent to Boil? And Repairs
  18. Engine swap
  19. Headgasket Vendor
  20. trans leak from a 4-80
  21. Loctite Red Gel REMOVAL!!!!!
  22. Service Emission System - No Acceleration
  23. Smoke
  24. 1996 Deville hard start and fuel pressure specs
  25. Doing my own head gasket
  26. 1997 cadillac deville performance?????
  27. 2005 STS with over 100k miles
  28. cadillac eldorado overheating but no oil in water
  29. 95 SLS w/ P076 Code - Trans pressure
  30. Where do you get Norms inserts?
  31. Engine heats up at idle (99 STS)
  32. Have two questions. Was looking around and found a leak.
  33. p1520 Trans Circuit
  34. Headgasket Fix for $1250
  35. Is it a head gasket?
  36. seriously clogged purge line! need help!
  37. Almost Overheating - is this Head Gasket ?
  38. Could Use Some Insight
  39. OBD Code E-119
  40. Deville Motor Swap 1997 to 1997 sts
  41. Took on my friend's LS1 *VID*
  42. 94 northstar cooling issue
  43. OIL FILTER/oil/AIR FILTER? What do you use on your N*?
  44. Time-sert kit
  45. 95 SLS Water Pump Removal Impact Wrench or Not?
  46. 2000 Deville Mechanical Issues *HELP*
  47. Can this be possible?
  48. looking for spark plugs
  49. need correct belt size to bypass ac comp on 97 concours
  50. DYI or NOT, Blown waterpump housing gasket
  51. Northstar 4.0 Aurora 97 interchangability
  52. Programmable ECU for STS 4.6L?
  53. Rough Idle Question For Ewill3rd
  54. Bought a Timesert kit on Ebay, what else do I need to install Norms inserts?
  55. loss of power overheating issues HELP
  56. What Anti-Freeze
  57. 50 Deville - Code = P0300 current
  58. New Owner/Member w/ n*star question
  59. P0300 - Timing Off
  60. intake gaskets
  61. Northstar 4.6 Coolant loss - but only under load
  62. 2000 deville or 1997 eldorado
  63. Northstar head gasket failures
  64. GM Top Engine Cleaner
  65. Coolent Temp
  66. Going to the track
  67. N* cylinder numbers
  68. Witnessed some component fail, what to do?
  69. Overhaeting Or Not or Maybe PLEASE HELP
  70. Non ACDelco Part?
  71. Electrical Problems With 94' Seville
  72. No HI cooling fan speed?
  73. Where to cut?? cradle bolt just spins
  74. engine ID
  75. Timing Chain Slack
  76. 2000 Deville Head gasket?
  77. 2000 Dts Front Engine Mount - Best Way To Change?
  78. coolant level deville 98
  79. Drag Race Calculator...
  80. engine swap pipe dreams
  81. Ingnition MAx Fuse burns out to stall 99 deville
  82. 98 sts what fits
  83. Northstar engine performance in my 01' DeVille DHS
  84. starter woes
  85. Intermittent spark loss on random coils 94' STS
  86. Disable the SIR
  87. Can you pull the front head with the engine in the car?
  88. Mechanics - Chicago area - Help
  89. Northstar Plenum Woes
  90. How to change pulley
  91. Engine to trans. bracket locations
  92. Is this an LT5
  93. 2001 Northstar in a 93 sts?
  94. no spark
  95. 1994 Cadillac STS
  96. Manifold or water pump causing overheating???
  97. Northstar crank sensor locations
  98. Quick engine swap question
  99. Solid Front Engine Mounts
  100. 98 deville no blower motor
  101. Still overheating
  102. Serpentine Belt
  103. couple of cooling sistem questions
  104. How many gallons Dex-Cool will I need.....
  105. oil can lite on and engine shuts down
  106. cat recomendations
  107. Therma Gasket Fixed My Head Leak
  108. Ignition Module Pin Out
  109. HG or paranoia?
  110. 2000 SLS keeps stalling
  111. another n* head gasket question
  112. Do you know what this part is?
  113. N* dissassembled engine found
  114. This Is Not a Joke
  115. My Rough Idle Story, So Far...
  116. 02 SLS running rough after pulling air box silencer
  117. 97 SLS N* Overheating quickly
  118. '95 STS Stuck in 3rd Gear
  119. 98 Deville non-functional engine cooler fan
  120. Post up your NORTHSTAR GAS MILEAGE (CTY/HWY) PLZ!
  121. 300hp N* to a Base N*
  122. Added my 99 STS to the HeadGasket poll...
  123. ATTN: All Volant owners
  124. 93 octane + WOT = rattle?
  125. Drill Guide for Head Bolt Inserts
  126. Idle issue when cold
  127. 94 el dorado starter location
  128. 1-2 At 45 Now Instead Of 40?
  129. Northstar fuel rail redesign
  130. 95 Eldorado with disturbing sound...
  131. Deville 98 coolant
  132. Is this the beginning of the end for my STS?
  133. 1994 Deville con
  134. 01 Olds Aurora Question...
  135. Coolant overflow?
  136. Switching a 1998 Northstar with a 2005 ?
  137. What to do with my 2000 DTS?
  138. Oh
  139. Headgasket info?
  140. Blown Engine???
  141. Fuel Induction System Specs
  142. Car is over heating?
  143. '02 STS Drain Plug Issue
  144. Oil guzzling 2003 Deville Northstar V8
  145. Cracked Block, exterior, 1997 Northstar
  146. Coil Bank Problems
  147. balancer bolt
  148. 2000 DeVille Overheats
  149. sounds like harmonic balancer??
  150. Over heating
  151. MSD Plug wires
  152. Delphi/Packard vs Delco Plug Wires
  153. HG Failure, Round 2
  154. new fuel injector & upper engine cleaner
  155. Tranny Question
  156. Location of ALL o2 sensors
  157. Hey Guys
  158. 93 Eldorado Sport Coupe Vs Touring Coupe
  159. ac compressor problem???
  160. Combustion Leak Detection
  161. Po41 code set
  162. Porting the throttlebody
  163. Another 97 DeVille Overheating Issue
  164. Can '03 Seville display digital coolant temp reading?
  165. BARS Head Gasket Fix and Aux Fan control
  166. Whistling pressure relief on N* Intake Manifold???
  167. Who needs a Timesert kit- I have one!!
  168. where does this thing go (headgasket job)
  169. Hard Start
  170. any tips on removing coolant crossover?
  171. 1996 Deville Intake??
  172. Performing "block" test from Napa
  173. Service A/c and A/C compressor off
  174. draining trans fluid 4T80E
  175. no start lots of codes network ?
  176. engine swap
  177. 1993 to 1999 Cam Wear Fix
  178. 94 Eldo ETC
  179. Need diagnosis - 98 STS overheating
  180. Professional Coolant Flush
  181. 4T80-E transaxle
  182. Oil Adapter housing Problems :(
  183. Head gasket, possibly cracked block...
  184. etanol blend, what does it do to the n?
  185. Loaded '03 STS 103k great shape - Dealer says it's the head gaskets.
  186. Problem with my Fast Chip
  187. Is there a Northstar FAQ section?
  188. 97 sts auto radio shut off
  189. Severe engine miss at idle-dirty gas in filter
  190. How Do I Change the ignition switch
  191. Cadillac De Ville 1999 OverHeat
  192. NO START, but the battery is good
  193. STS "Limited to 90 Miles an Hour" Message
  194. 1997 STS Ghostly Noise from Vacuum Leak?
  195. 4T80E bellhousing: starter?
  196. Blown Head Gasket On A 97 Deville
  197. North Star & Transmission Issues
  198. Head Gaskets
  199. Oil Housing
  200. North Star & Transmission Issues
  201. 4t80e problems
  202. Reverse problem someone please help me please
  203. AC & Intake
  204. '99 El Dorado Trans Question 2
  205. '99 El Dorado Tranaxle Modulator Location and Replacement
  206. Compression and oil consumption
  207. Anyone sells lower temperature thermostats?
  208. 1996 Deville Trouble Codes--Help Me!
  209. Aftermarket coils
  210. 05 STS V8 pcm reprogramming?
  211. '99 El Dorado White Smoke 70 mph and up
  212. Decel Stall
  213. no crank
  214. Who wants headers?!?!
  215. replacing oil pressure sending unit
  216. Northstar intermittent heating problem
  217. Compressed Natural Gas
  218. Proper A/C Recharge Pressure Spec?
  219. Head Bolt Torque
  220. what to do with a code
  221. Need headgaskets replaced...Twin Cities, MN area...
  222. Help finding exterior ground location IC Module
  223. Ran out of gas - Now will not start
  224. Hard Starting N* And Unknown Code
  225. Just wanted to check on some codes P0171 and P0134
  226. Ignition Miss - '98 DeVille
  227. Oil Testing, laboratories, and Additives
  228. What timesert kit is this referencing?
  229. Block Test Confirms!...or ?
  230. 2000 Deville with Denso plugs
  231. VIN or other link to body stamped on block?
  232. Prevent head gasket failure
  233. 2000 DeVille Northstar Problem
  234. Previously Timeserted block?
  235. turbo charging a Northstar
  236. p1350 & p1375 codes?
  237. bad fuel economy, rough(er) idle, need help!
  238. What gets relearned after battery disconnect?
  239. idle speed control
  240. 99 Deville Hesitation during Acceleration
  241. strange noise please help
  242. What happen to my overdrive???????
  243. Northstar Overheating!!! HELP
  244. After Timesert HG Repair Service Schedule?
  245. Top engine compartment struts
  246. '01 Deville with Half case leak, any temp fixes/band-aides?
  247. crankshaft sensor location ?
  248. Anyone heard of this?
  249. Are All Xlr's The New Style Closed Deck?
  250. MAF Translator