: Northstar Engines and System Technical Discussion



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