: Northstar Engines and System Technical Discussion



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  1. Replacing starter-port intake?
  2. is this normal?
  3. How soon do you replace oil pan gasket?
  4. Torque Multiplier Upgrade ??????? hmmm
  5. mpg and oil consumption 00 dts
  6. 2000 N* Cracked Block & Questions
  7. Tranny Bolts
  8. ICM location anyone- need help!
  9. P0107 then P0201 thru P0208 runs fine
  10. 586Hp Northstar, in a grand prix
  11. Looking for head gasket repair in Northwest, Indiana
  12. Brands Of Oil ?
  13. is it the head or intake manifold gasket?
  14. drive by wire nitrous kit ???
  15. 98 STS Engine Removal
  16. About Gas
  17. Shocks
  18. do you need premium gas in a 4.6 nothstar
  19. New Mods on Customers cars
  20. The smell of coolant~
  21. Setting Camshaft timing HELP!!!
  22. Northstar Over Heating After Waterpump Replacement
  23. how to clean out intake??
  24. emissions light comes on
  25. random miss at idle
  26. spark plugs and wires
  27. Idle
  28. Looking for some more power!
  29. What coolant do i use
  30. 97 Seville Overheat Try This One
  31. northstar smoking engine
  32. Performance Programing 01 DTS
  33. misfire
  34. 2006 Dts Rough Idle On Morning Start Up?
  35. What Causes Heagaskets To Blow?
  36. Blown Engine
  37. Air ram cones
  38. northstar engine knock help!
  39. Help identify foreign object jamming intake valve open
  40. 01 Dts Rough Idle
  41. dangrieco
  42. Spark plugs ?
  43. changing the governor
  44. Delaney Power Extractor Engine
  45. 94 cadillac sts ECM install
  46. Anyone here in Michigan
  47. Where to find new camshafts?
  48. Please don't flame the noob...codes and problem
  49. Real octane booster?
  50. Motor for 96 STS????
  51. What do you think of this? ECU Modifier
  52. Root Cause of Head gasket Failure and a Fix?
  53. Wont start when its cold
  54. Cadillac sts '94 problem
  55. 1995 STS sudden problem
  56. Oil burning TSB.. I know this has been talked about before
  57. Oil Under The Beauty Cover
  58. 97 STS Starting after dead battery
  59. Can you run your car with water?
  60. New to the site, wondering about repairs
  61. Recommndations for N* Tech in Boston/RI Area?
  62. Oil pressure light
  63. Plz Listen 2 My story Need Help ASAP
  64. Timing and Octane....I searched.
  65. Head Gasket replacement 97STS
  66. is it worth it?.
  67. Head Gaskets Failure 97 STS
  68. White smoke in the exhaust which clears after idling 5 minutes
  69. 2002 DTS trouble
  70. Heater Fan
  71. northstar poor mileage
  72. 2001 STS engine knock
  73. N* Camshaft Removal: Special Tools Required?
  74. Block Sealer??
  75. After Market Code Scanner
  76. 2005 STS 3.6L Engine Oil Sensors
  77. Ok Someone Please Help My 97 Deville Not Running.............
  78. best Seville STS to buy ???
  79. Strange Call
  80. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  81. No 24x Refrence Signal
  82. OBD II Manual
  83. 2002 sts engine codes
  84. Noise on Startup when Cold
  85. question about trans gasket
  86. 98 Eldo Rebuilt Motor
  87. Pulling camshaft cover - can it be done w/out dropping engine?
  88. Thermostat
  89. 97 Deville w/ N* Battery(?) problems
  90. head gasket blown replacing motor
  91. AGAP Northstar reman engine NIGHTMARE
  92. Oil leak 2000 Deville
  93. 96 Eldorado ABS and Traction Control TRBL
  94. intermittent Bubbling noise in dashboard.. Any ideas?
  95. gasket questions on the northstar
  96. engine swap
  97. LD8 Engine issue (2005 Bonneville GXP)
  98. Custom made 8.5mm MSD spark plug wires
  99. oilpan/trans pan gasket...
  100. water pump tension pulley
  101. possible 1/2 case oil leak.....
  102. Northstar Oil Pan Help Needed
  103. Removing the N* from an el do?
  104. Problems with 02 DHS, need more opinions
  105. Can you name this Car?
  106. Two 4.6 Northstar Motors What are they Worth?
  107. How hot can you go?
  108. Throttle Position Sensor 94 N* - how to replace?
  109. Questions about low-mile oft-stored '02 Eldorado
  110. P0741 & P1860
  111. 96 deville egr valve cleaning
  112. Hey, all you guys, check radiator hoses
  113. Anyone who can read motor serials get in here (calling AJ)
  114. Pinging above 3000RPM with 93 octane
  115. Northstar mechanic
  116. now mine STS too Broken HG :(
  117. Cam Question For AJ or Ewill
  118. 2000-2005 Headgasket...
  119. Northstar Oil Leak
  120. 99 sts stalling out
  121. roller lifters or flat tappet
  122. po39 tcc vcc help
  123. 2000 Deville DTS Overheating
  124. Track Results and Video's
  125. big problems on 97 deville>please help me
  126. Compressor/ Air Ride Help
  127. Dealer Flush
  128. Overheating
  129. head gasket seeping oil
  130. No start (cranks OK)
  131. Advice on leak detection kits please
  132. Northstar dimensions
  133. AJ-Question
  134. New here need help
  135. help please
  136. Why didn't Cadillac make a larger displacement Northstar?
  137. Check Gas Cap Message.
  138. Changing the cams on an STS to the SLS Cams
  139. why wont my fans work?
  140. 99 STS, almost working
  141. Loud Engine Whine
  142. Over-sized Northstar Pistons
  143. overheating problem
  144. seville with shifting problems 1rst > 2nd
  145. msd coil?
  146. very hard start in the cold on N*
  147. L37 or LD8 ????
  148. Need a reliable source for Northstar Torque specs
  149. Northstar Rod Spec's & 3.6L
  150. symptoms of bolt failure/lifted heads
  151. 99 Deville Northstar Overheating -wanting non contradicting answers
  152. 2000 DeVille Overheating Update
  153. Bad Alternator?
  154. 1996 Deville Troubleshoot update
  155. Fuel pressure regulator?
  156. IAC Counts
  157. Thermagasket Does It Work???
  158. Missed one connection
  159. Those Damn HEAD GASKETS
  160. LC3 FWD Swap?
  161. ? For Ewill or AJ
  162. looking for pictures of northstar valvetrain
  163. So, here are the symptoms, whats wrong
  164. Northstar Valvetrain Clatter
  165. 200 DeVille Blows hot air at low speed turns cold
  166. Could it be the Water Pump Knocking
  167. Can anyone tell me whats wrong?
  168. Front Valvetrain Clacking
  169. labor cost to replace o2 sensor????
  170. Difference between VIN Y and VIN 9
  171. Got Code P1415 Please Help
  172. 2000 Deville with northstar
  173. 1034-loss of PCM data
  174. Obd I P046
  175. Computer/wiring problems
  176. Need help on 98 Seville/Northstar
  177. New HG Installed on a 99, Pings on Start Up?
  178. Got my 05 Deville back from Dealer!! and extra part for sale.
  179. Need help - going to see a 98 Seville STS on Sat, what do I check?
  180. Sick Tranny?
  181. Engine Help!!!
  182. 2nd annual midwest meet !
  183. 2001 Cadillac SLS LD8 Bore-increase
  184. White Smoke coming from front of car
  185. !996 Deville help troubleshoot
  186. I have a question about cold startswith N*??
  187. How do you disable the traction control perm without having to press the button in...
  188. 94 N* EGR valve ?? Engine stumbles.
  189. P0121, P0507 High Idle???
  190. 94 ETC no shift, wont idle
  191. Looking for '98 ETC mods
  192. What's your preference for plugs and wires ?
  193. intake manifold exploded/hole after backfire??
  194. 95 STS Cooling System Quirks
  195. MSD ignition
  196. Idea for vehicle to do Northstar swap on.
  197. NEED HELP - HAVE CODES P1416 and P0101
  198. quote???
  199. FPR replacement on 94 N*
  200. torker
  201. Sticking gas pedal????, high idle all of the sudden???? What do I check??? PLZ HELP!!
  202. Crankshaft & Cam sensors questions
  203. Why is my '96 Northstar now using oil?
  204. how to search forums..and cpk sensor question (2000 cadillac stalling)
  205. O2 Sensor Questions
  206. How can you tell if your HG's are shot?
  207. Rebuilt N*
  208. 97 STS vs. The drag strip
  209. 94 northstar starting problem
  210. Can i use synthetic oil in northstar?
  211. Getting Screwed
  212. Where is the main engine to body ground?
  213. white smoke n hp loss
  214. Is it me, or are alot of N*s having cracked blocks
  215. this is not an arguement thread for oil !
  216. 95 northstar tranny
  217. Is It Possible To???
  218. Engine stopped at the end of an exit ramp Any IDEAS WHY?
  219. Serpentine belt
  220. Need a VIN to a STS with the Z(W) option, I have the option but I don't like the Euro
  221. Removing EGR on a'96 SLS
  222. Whats the easy way to change the alternator on a Northstar? (99 Deville)
  223. Northstar shifting past redline
  224. 93/94 engines
  225. No Heat at Idle
  226. What's involved to drop the oil pan?
  227. Iradium spark plugs for 99deville? Better or worse? What the best plug & wires??
  228. Tell me about Force Motors/pressure control solenoids
  229. 99 Head Gasket Warranty?
  230. How can u save gas on a 99 deville?
  231. PC0327 - 96DeVille
  232. 1995 STS Cooling problems?
  233. Sts engine has this knocking sound
  234. Heater Core Leak/ Need Some Help, Please
  235. GM MAF sensor information and Discussion
  236. bottom end problems??
  237. Car runs hot but doesn't over heat
  238. Fuel Line Leak
  239. I have a cracked block, what next?
  240. RTV Silicone on Transmission Side Cover?
  241. hypothetically speaking
  242. 02 STS uses tons of oil
  243. Northstar Modifications
  244. 10w40 in N*
  245. 94 STS starts only if pressing gas, idles rough, dies after a couple minutes
  246. upgrading 94 concours
  247. '98 STS valve cover
  248. HELP- Dropped a bolt in the intake valley
  249. Intake manifold crack?
  250. Need Some Code Help 02 Seville