: Northstar Engines and System Technical Discussion



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  1. HP rating from a sticker
  2. shelby northstar
  3. Wierd shaped bolt holding in IAC
  4. Check out my Headgasket Job in the car!!!!
  5. Crossover Manifold, Pipe Gasket Part Number
  6. Intake Manifold Cracked at Bolt Heads
  7. For all of us with the fluxuating speedometer / intermittent cruise control
  8. Transmission Strengths/Weaknesses
  9. looking for head gasket repair in tx
  10. Different Headgasket Question
  11. What is the difference between VIN 9 and VIN Y 4.6L Northstars ?
  12. I need to find someone closer than Canada to do my headgaskets !!
  13. Sold one of my '97 to my best friend, now it won't start
  14. 2001 STS vac leak at intake
  15. Overheats less in 3
  16. TERRIBLE Gas mileage "help"
  17. damm am i hard headed...over heating still
  18. still overheating need help...
  19. Found Coolant in the Valley. What could it be???
  20. Difficulty level on swapping a N* 4.6?
  21. Help with engine removal for STS
  22. Can 97 N* lifters be disassembled?
  23. front motor mount
  24. A/C delete pulley
  25. coolant leak
  26. Overpressurize relief valve boot
  27. 97 deville blown head gasket question
  28. The best preventative maintenance for my 97 N*?
  29. Service Stability System
  30. duramax1980
  31. 98 NS Brackets
  32. Intake Manifold Removal, '97 SLS
  33. Northstar Bracket
  34. my 1st post transmission problems i think
  35. Priming the oil pump on a northstar engine
  36. 2000 STS, N*interchangibility?
  37. Trying to find Intake Manifold Spacer
  38. PCM wiring without a complete car harness
  39. 99 ETC Weak hot restart?
  40. deville 2000 HG ???
  41. DHS would stall upon starting... would not idle
  42. Why Check the Oil When Hot?
  43. very little coolant circulation...i hope its not a head gasket
  44. '99 STS Oil Smell?
  45. why didnt gm recall northstar engines for head gasket?
  46. Any good Northstar Mechanics in SoCal
  47. radiator drain valve
  48. New Studs to incorporate alignment pins
  49. 1997 Power Steering Pump Questions
  50. 2000 N* Head Gasket probability
  51. 00' STS N* Conversion ???
  52. 99 Deville/Headgasket Issue
  53. Misfire PC0300 Code
  54. Code P0741...Really confused.....Need help!!!
  55. Finally tore the motor apart
  56. 1997 sts stalled, Won't start
  57. HARD loud knock @ acceleration. help
  58. 93 Northstar Dies randomly. HELP!
  59. 95 SLS throttle body vacuum plug
  60. 2006 DTS engine issue
  61. 97 northstar balancer removal
  62. Advice on Northstar Transmission???
  63. oil in the antifreeze & overheating
  64. HG blown 375 days after a $3500 repair
  65. Northstar Coil Bank
  66. Engine wiring harness removal
  67. 97 seville sls coolant loss
  68. 98 deville engine question
  69. STS Blowing Out Oil But From WHERE?????
  70. '93 STS Oil cooler
  71. What kind of seal installer to use?
  72. Northstar head gasket replacement with warranty, Louisville KY - 1500 + parts
  73. how easy is changing the thermostat yourself
  74. Low speed stall
  75. Coolant Issue "00 STS"
  76. failed state inspection because of p0507
  77. Alternator questions....
  78. Bars Leaks Liquid Copper?
  79. which of these codes will cause my service engine light to be on?
  80. 97 Deville oil pan leak
  81. Please Help with long cranking time
  82. high idle
  83. Aftermarket Intake for '99 DeVille base model
  84. 02 Deville rough idle & codes
  85. 1998 Eldorado Head Gasket - 2nd time in 375-days
  86. Started to hear an intermittent grinding noise
  87. $788 To fix P0410 Code
  88. Car Stalled, won't restart
  89. Smell Coolant after Driving??
  90. 1994 STS quit in driveway, seems battery went dead.
  91. 2000 seville sts misfire
  92. Idle Air Control Valve (IAC)
  93. 94 sts intake cover gasket
  94. HG Budget for 97 STS
  95. Help.. 2000 dts tranny blown
  96. 1999 Seville SLS hard start P1350/P1375
  97. Crap!!! Coolant leak! what do I do!?!?!?
  98. 97 Northstar Oil leak
  99. 94 Eldorado Idle problem
  100. Best service manual (rebuilding)
  101. low oil pressure indictator
  102. Any idea what I should pay to get the evap solenoid replaced ?
  103. Thinking of rebuilding motor... questions..
  104. 2001 Deville getting hot
  105. Oil pressure
  106. Cooling system tablets after HG job
  107. HG Jobs for all, anywhere in Canada or USA in my new shop
  108. where to get headgasket job done?
  109. Northstar Engine Gets Gummy?
  110. STS low power
  111. Northstar engine miss
  112. 2002 Deville P3008 code
  113. Real Performance Parts for the L37
  114. HELP outta town with tranny issues
  115. Cooling fans and hard driving- temp spikes
  116. Convert 98 SLS motor into STS motor?
  117. NO Codes but stalls...
  118. Stand-alone Northstar engine/trans for swap
  119. 4T80E solenoid shift replacement
  120. N* Swap with Factory ECM and avoiding DTC's
  121. Vin lookup for engine history
  122. 1999 STS Traction Control off......Unable to turn it on.
  123. 98 deville no fan / tech 2 commanded fan on
  124. 1999 Cadillac Seville OVERHEATING :(
  125. Any differences in an Export N* Engine and a Domestic One?
  126. To much Antifreez
  127. Synthetic or Regular Oil in 08 Escalade ESV?
  128. Stalling when wet
  129. 1998 STS : Code v
  130. 02 Deville plenum question
  131. MSD Timing Controller - Question for AJ
  132. Cranshaft Main Bolts
  133. Rear Main Seal Install
  134. Where to find coolant test?
  135. Can I put a 2001 Northstar in a 1997 Eldorado?
  136. Major coolant leak
  137. I think i'm ready
  138. what to look for buying a used northstar powered car
  139. Happy ending to overheating problem
  140. 2000 sts
  141. Fully Polished Aluminum Strut Tower Brace for 98+Seville and 00+ Deville
  142. o2 sensor thread repair
  143. Bypass AC pump 94 Eldorado
  144. Northstar oil leak, main bolts
  145. 1993 Eldorado Northstar running rough
  146. Limp Mode?
  147. STS N* Rough Idle/Miss at Startup
  148. northstar aurora alternator
  149. Swap 4.9l v8 and 4.6l v8 northstar
  150. '99 STS stuck water water pump
  151. Water pump drive pulley
  152. heater on bench 1?
  153. Hello all
  154. wide engine temp swing
  155. Oil pan gasket
  156. I allmost died in my sts !!!!!, P065 drives itself
  157. 1993 seville STS
  158. cooling fan electrical diagram
  159. Fuel Injectors Revisited
  160. head gasket replacement in louisville kentucky area
  161. Cam Replacement in Car
  162. Northstar block #'s info needed on a used engine.
  163. oil filter for northstar
  164. 2000 sls overheating
  165. SLS overheating help? please?
  166. testing for bad HG
  167. 94 STS Coolant leak between block and flywheel
  168. Valve cover gaskets
  169. Hitting rev limiter in idle after startup
  170. Bad news Very Bad news
  171. EGR symptoms
  172. fuel pumps
  173. manifold pressure sensor or mat sensor
  174. Transaxle interchange
  175. TSB for Oil Consumption
  176. N*** PCM hacking Help
  177. Increasing fuel efficiency
  178. 94 Eldorado 4.6 High Idle
  179. photo shop help
  180. high engine rpm at start up
  181. Is it possible to have digital temperature display on 2002 deville ?
  182. 99 STS metallic ticking noise from valve area
  183. Bonneville GXP 1/4 mile times
  184. Time Serts, Norm's, SureGrip Stud Kit??????
  185. p080
  186. 2004 Deville 275hp... a good buy?
  187. I would like to 'update' the Performance Parts Mega-Post
  188. Questions for Ranger and Submariner409
  189. Cleaning Engine what do i cover?
  190. Any Ideas? No codes, backfire, sputter & parking brake get stuck
  191. dropping cradle: what would you replace preemptively
  192. HG and Timesert in car
  193. 1993 Cadillac Seville STS 4.6l engine bog
  194. Shoud i replace input speed sensor on 2002 deville 140k
  195. Go with studs and get warranty on a DIY HG job
  196. 2002 deville HEAD JOB and MORE --PLEASE HELP
  197. Help. 99 sts dash clicking?
  198. The ever present "miss"
  199. new engine ...?
  200. Code P0603
  201. Fire!!! Eh, not so bad..
  202. Fuel pump removal pictures
  203. No more HG jobs. I'm finished.
  204. More problems after a HG job- or are they?
  205. 02 dts high idle prob
  206. What 2 Do About GM's OHC V8 Engine.... How about the Mainstreaming of the 4.4L SC NS?
  207. 94-99 vs. 2000+ N* Oil issues
  208. RWD Northstar
  209. Running a 2005 N* on a 2006 N* PCM
  210. intake blow off flap
  211. PO155 (HO2S) Code
  212. 95 devile no heat on driver side help
  213. Clever stuff...I think?
  214. trading up
  215. Has anyone tried to put sc 3800 v6?
  216. What gives ?
  217. What is the probability of head gasket failure?
  218. Fuel Pump removal
  219. Like my N* but
  220. Motor will be coming back out after HG job!
  221. Check engine light ?
  222. 1997 deville hard start warm engine
  223. Low mileage Northstar
  224. 00 DTS Falls Flat on Face
  225. Fuel Pump repair kit
  226. Compression test for a head gasket failure
  227. Built Buick Lucerne (400HP Northstar Engine)
  228. Head Gasket Repair in Alaska
  229. Headgasket test kit ?
  230. 97 & 99 deville engine swap??????
  231. Problems After HG job!
  232. Cooling Fans
  233. P0300 and just filled coolant
  234. 01 northstar for sale
  235. northstar power
  236. 1998 STS stalling at idle
  237. New '98 Deville Owner with coolant questions
  238. Find the oil leak
  239. $28 Combustion Leak Tester Kit (Lisle)
  240. Vacuun ports on the northstar
  241. TCC converter stuck off
  242. 2002 Cadillac Deville Rad Flush tips?
  243. 99 Cadillac Seville
  244. EGR or something worse? Please help! '96 SLS
  245. adding oil between oil changes
  246. Mods for transmission during HG job?
  247. 98 SLS with valve noise - ????
  248. 98 sts northstar engine swap
  249. Coolant Question
  250. Part Number: Camshaft seal @ water pump pulley?