: Northstar Engines and System Technical Discussion



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  1. does it work? (hyper lube)
  2. 96 cadillac deville code after code?!?
  3. Transmission Durability?
  4. Shaky Tachometer at High RPM
  5. 1996 Seville STS Crank Sensors
  6. What other cars use the same style injectors?
  7. Adding Freon
  8. Lost power steering fluid rapidly. Is there a hose?
  9. Northstar engine rebuilders or performance builders in SoCal?
  10. 95 Northstar Coolant leak
  11. EXP ID Codes
  12. Looking for N*mech in northern RI
  13. 93 Eldorado T.C ignition issues
  14. voltage drops when car in drive
  15. after a&b solenoid
  16. Experts please help
  17. 1994 Cadillac Sevile STS thumping into fourth/overdrive
  18. know it all mechanic
  19. Well fellas, I think its really time....
  20. Northstar Head Gasket Issue
  21. timesert kit - for sale on ebay
  22. Strange rattling
  23. Northstar performance parts
  24. Procedure for Coolant flush
  25. Dynomax - Long life?
  26. Running Functional Test on my 94 Deville Concours.
  27. 94 northstar swap
  28. Airbox Computer?
  29. ICM Replacement
  30. Cranks, but won't start
  31. 96 deville antifreeze coming out exhaust
  32. Its Getting Hot Inside
  33. STS fuel Injection problem NEED HELP
  34. I think I'm missing a few ponies!
  35. 99 Deville Hesitating???
  36. Eliminating the exhaust crossover??
  37. Po138???
  38. Front Valve Cover Removal
  39. You guys read this stuff????
  40. camshaft swap "9" motor to "Y" motor
  41. What is TSB 99-06-04-053?
  42. 94 cadillac concours
  43. Can anyone tell me what these compression numbers mean?
  44. H Gasket Job Ballpark Price Needed for Parts
  45. Heater core replacement, help!
  46. Ah, darn... My 94 Eldorado Is having problems.
  47. Anyone know a reputable transmission shop in Orlando?
  48. Lifter?valve noise
  49. 93 Northstar dies out at idle
  50. Time Sert Kit Needed
  51. Engine Replacement
  52. Broken Head Bolt (small type)
  53. P0741 - TCC System Stuck Off...Now What??
  54. homemade locating dowels - a possibility?
  55. Rear Valve Cover Leak!!
  56. Going from a 4.0 to a 4.6
  57. how many miles on your N*?
  58. Crank Position Sensor Replace Quick Question...
  59. 98 STS code P0404 (and P0300)
  60. Not Nearly As Hard As I Thought
  61. what to do about SO codes...
  62. overfilled tranny....
  63. OBD1 chip reprogramming?
  64. Hey Check Out What Im Doing....
  65. 95-6 transmission harness
  66. new headbolts
  67. Torque Converter Clutch Stuck...How to Fix??
  68. BS? "aftermarket Mass Air Sensor = improved hp, torque and mileage from your car"
  69. pulling engine, top or bottom???
  70. RANGER: Can't Identify Codes...
  71. 1996 1/8th mile times!
  72. '96 SDV Update...2 Codes...Help??
  73. Need a new alternator......
  74. Cranking but not starting.. fuel pump relay?
  75. EXP ID 83, 84, 140, 25 ??? Any Help?
  76. timesert kit for sale
  77. Factory Specs for Compression??
  78. torque wrench advice
  79. Stripped Oil Pan Bolt Hole
  80. Would you like some cheese and crackers with that Whine?
  81. Ready to rebuild-best source for tserts and bearings
  82. Stability Reduced? wut?
  83. Compression numbers for the North*
  84. Options to repair ONE engine block thread
  85. What ever happened to the supercarger for N*?
  86. Torquing of Rocker????
  87. Minor Problem with my 94 SLS
  88. Chip & Bored T/B ???
  89. Why with the Northstar 4.6?
  90. PCM reflash for 95
  91. Sooooo....
  92. cam torque
  93. Blwoin a little smoke..
  94. casting number ID
  95. DANG - Trouble Codes Question
  96. Need some help..abs troubles?
  97. I saw a smoking Deville
  98. PCM Question II
  99. Air intake and airflow
  100. Trans making noise in park and neutral
  101. water pump replacement
  102. Pcm?
  103. STS Engine Cut-Out
  104. 94 SLS 4.6 showing oil pressure
  105. Performance transmission
  106. Aftermarket air intake...
  107. TCS C1287/C1286 help please
  108. Pics..pics...pics.....pics........
  109. Computer Swap Ok?
  110. MIL's - Anyone tried them yet?
  111. Anyone ever done or heard about doing this?
  112. Stumped (P0307)
  113. pressure control circuit code 076
  114. 94 Eldorado 4.6 starting problem
  115. Anyone have sound clips of their exhaust?
  116. 98deville whole computer lit up
  117. TPS autolearn for 1995
  118. '96 DeVille...New Owner...Am I NUTS??
  119. Turbo Track Times
  120. Anyone with rough starts, loss of power..read this.
  121. G-tech pro times.
  122. That's what I call stopping a leak!
  123. Need Valve Body Torque Secs ASAP Please
  124. 98 deville x grandpa mobile
  125. Northstar Experts Please Stand Up.....
  126. Robert Benham
  127. Bleeding air out of cooling system
  128. I think I blew it up
  129. northstar rough accleration/idle
  130. ALBUNDY - can't PM you
  131. Gm top engine cleaner
  132. transmission interchange
  133. 96 deville N* cats question
  134. 94 SLS I seem to be on a losing streak!
  135. Premium vs. Regular
  136. coolant fans
  137. Overheat Part 3
  138. coolant loss
  139. 94 Eldorado Power Steering Fluid?
  140. Big Serts installation
  141. lifter noise?
  142. Some advice
  143. Overheat, Part 2
  144. 2000 STS MAP sensor voltage high?
  145. FRP Help!! ASAP!!
  146. Overheat!
  147. 1999 Eldorado won't start and left me stranded
  148. Anyone use "regular" plug wires in N*?
  149. Higher Stall Converter...
  150. i think i found a fuel control system.
  151. 94 SLS radiator hydraulic line
  152. K&N Intake...I want one!
  153. ABS wiring diagram
  154. What are the available Northstar aftermarket performance parts?
  155. Northstar Oil Leak
  156. Northstar in the 1997-1999 Deville.. questions.
  157. N* with nitrous.
  158. 5000 mile or wait for oil life trigger?
  159. Hi Flow Cat converter to go with Corsa Exhaust, which one?
  160. MSD coils? I hit 104
  161. eldorado1- throttle body for 94 eldo available?
  162. need IAC, TPS, MAP sensors?
  163. 4.6 caddy vs. olds 4.0
  164. Has anyone here added performance parts to a 94 eldorado
  165. Bad coil packs or what?
  166. northstar battery
  167. 94 eldorado bad starter possibly?
  168. Starter change 94 SLS
  169. What's happening to the messages display?
  170. Day after alternator replace, now I need a new belt...coincidence?
  171. block off EGR
  172. Transmisson monitor??
  173. Water pump leak??
  174. Will machined heads mess up the ECU due to increased compression ?
  175. The Turbonator
  176. 96 STS engine swap
  177. Ok explain this.............
  178. Oil on sparkplugs??
  179. need help 96 deville
  180. North Star Temperature
  181. History Codes ??? & P0420
  182. VSS....how hard is it to change?
  183. Engine is not cranking - starter is fine
  184. Oil Leak
  185. Is head gasket a common problem with sts
  186. Please Help!!!!!!!!!
  187. Im running with no suppliment....
  188. Whirring noise.....you thinks its the alternator?
  189. Wot?
  190. 5W30 vs 10W30, pre 2000 Northstar 84 degree weather
  191. Thermagasket, cylinder head repair goop
  192. Head Gasket Repair - DIY?
  193. 4T80E heartbreak with pictures
  194. N* Replacement
  195. Northstar Motor Mechanic From Dealer
  196. Fuel Pump 95 SLS
  197. Minor value cover (head cover) leaks???Concern???
  198. N* Head Gasket Job, What parts should i BUY
  199. Jasper Engines HEAT TAB
  200. Head Gaskets Again !?!?
  201. 96 deville codes/very sluggish start
  202. n* experts chime in
  203. NorthStar Supercharger!!!
  204. 1997 Deville Coolant Flush
  205. I think i got this Traction Control thing figured out!
  206. Northstar Brainteaser
  207. New Northstar in 2008? Ultra?
  208. Service Engine Light and history codes
  209. Whats code 94?
  210. DIY Replace Coolant for 94 STS
  211. Lower Crankcase Reseal
  212. PC0300 with troubleshoot. Coil Resistance?
  213. '94 Eldorado Coolant change. Help!
  214. Squeaking belt noise - Help!
  215. oil change timing
  216. changed FPR now P0507 code?
  217. need help with water pump.
  218. Fix it or not? Head Gasket.
  219. Future 1996 STS buyer
  220. update on Polyisobutylene
  221. So, I took it to Cottman........
  222. 03 DTS Major Tune Up
  223. Codes, Codes, and more codes....
  224. First WOT on Grandma Owned N*
  225. Tech Manual
  226. What are the performance number of the SLS,DHS
  227. 98 Seville engine mount
  228. N* all OBDII?
  229. EGR Valve Cleaning and Location
  230. How To Replace O2 Sensor Bank 1 Sensor 1
  231. 93 Eldo transaxle
  232. Intake Bolts
  233. Fuel rail/line recall
  234. Saw an interesting Swap today.... (56k take a nap)
  235. Need some help from someone with a 96-99 manual
  236. Not enough WOTs?
  237. another problem solved! N* stutter gone
  238. Coolant Eats Gasket?
  239. Starter Idiocy?
  240. Have you tried Polyisobutylene ??
  241. How to Remove EGR Valve
  242. Granatelli Trans Tuner - Anyone try this?
  243. Granatelli Trans Tuner - Anyone try this?
  244. Performance Survey - New Owner - Seeking Ideas
  245. 94 STS - Throttle Plate Orientation
  246. cruise linkage
  247. 95 STS hi-rpm and auto-acceleration problem
  248. Data on the northstar
  249. Buy a N* with a blown head gasket - Dumb idea?
  250. Weird Idle Issues