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View Full Version : Northstar Performance and Technical Discussion

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  1. Engine build
  2. Bank 1 , 2 ??????
  3. N* Runs Rough at Cold Start
  4. Northstar Buick
  5. Is it possible?
  6. N* programmer?
  7. Help Having A Heart Attack! P039 / TRanny?
  8. 1998 Cadillac Deville overheating
  9. new Delco spark plug wires installed
  10. P0741 - TCC System Stuck Off
  11. engine swap for a 2001 dts
  12. weep holes
  13. How long is your NS dipstick?
  14. Smoking Northstar?
  15. 1999 Seville Ignition DTC Help!
  16. valve seals
  17. 99 STS Turbo charged video
  18. The End
  19. 1st gear WOT
  20. Crank sensor tech 95 sts
  21. P0147 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 3 - overheating
  22. Thanks for nothing, Northstar.
  23. How can I clean the Mass Air Flow??
  24. 2002 deville/dhs engine trouble
  25. Whirring/grinding That's Speed Sensitive
  26. 2003 DHS - Sluggish - EGR?
  27. 94 Northstar Flexplate knocking noice. HELP!!
  28. Does vacuum sound from Surge Tank equal head gaskets?
  29. anyone ever use HEAL-A-SEAL
  30. Engine Oil Myths including ZDP by GM
  31. Using synthetic oil in a Northstar-Why does Cadillac recommend 10W30?
  32. What Spark Plugs for a 1999 DeVille Northstar?
  33. Cam numbers?
  34. Drive vs 3 What's better???
  35. Help with this code...97 Cadillac deville
  36. questions about PC0300 code on 96 deville
  37. Arizona Cadillac Owners Cheap Northstar Engine
  38. 1997 Seville SLS
  39. Where is my IAT Sensor located? 99 sts
  40. Unbolting "beauty cover" on a 1999 Deville What GIVES
  41. Mobil 1 5W30 meets GM spec 4718M but Mobil 1 10W30 DOES NOT. WHAT GIVES?
  42. 2002 STC - Front Engine Mount Broken
  43. strange rumble sound during hard acceleration.
  44. IAC valve
  45. 2003 Sts 0-70
  46. What is the Northstar suppose to sound like?
  47. P0741 TCC Stuck ON, tried much, what next
  48. Engine stutter/punch
  49. HELP!! Fuel Rail Recall Problems 1996 Seville
  50. High idle/ IAC clicking?
  51. check coolant light on???
  52. Headgasket Leaks & Repairs
  53. 97 Etc N* Head Gasket Project
  54. 1st time motor pull for HG on 99 N*, some questions
  55. Need help removing 99 STS northstar motor
  56. misfire at idle
  57. 1994 DeVille Concourse
  58. engine compatibility
  59. Crankshaft position sensor
  60. Need Some Code Help 02 Seville
  61. Intake manifold crack?
  62. HELP- Dropped a bolt in the intake valley
  63. '98 STS valve cover
  64. upgrading 94 concours
  65. 94 STS starts only if pressing gas, idles rough, dies after a couple minutes
  66. 10w40 in N*
  67. Northstar Modifications
  68. 02 STS uses tons of oil
  69. hypothetically speaking
  70. RTV Silicone on Transmission Side Cover?
  71. I have a cracked block, what next?
  72. Fuel Line Leak
  73. Car runs hot but doesn't over heat
  74. bottom end problems??
  75. GM MAF sensor information and Discussion
  76. Heater Core Leak/ Need Some Help, Please
  77. Sts engine has this knocking sound
  78. 1995 STS Cooling problems?
  79. PC0327 - 96DeVille
  80. How can u save gas on a 99 deville?
  81. 99 Head Gasket Warranty?
  82. Tell me about Force Motors/pressure control solenoids
  83. Iradium spark plugs for 99deville? Better or worse? What the best plug & wires??
  84. What's involved to drop the oil pan?
  85. No Heat at Idle
  86. 93/94 engines
  87. Northstar shifting past redline
  88. Whats the easy way to change the alternator on a Northstar? (99 Deville)
  89. Removing EGR on a'96 SLS
  90. Need a VIN to a STS with the Z(W) option, I have the option but I don't like the Euro
  91. Serpentine belt
  92. Engine stopped at the end of an exit ramp Any IDEAS WHY?
  93. Is It Possible To???
  94. 95 northstar tranny
  95. this is not an arguement thread for oil !
  96. Is it me, or are alot of N*s having cracked blocks
  97. white smoke n hp loss
  98. Where is the main engine to body ground?
  99. Getting Screwed
  100. Can i use synthetic oil in northstar?
  101. 94 northstar starting problem
  102. 97 STS vs. The drag strip
  103. Rebuilt N*
  104. How can you tell if your HG's are shot?
  105. O2 Sensor Questions
  106. how to search forums..and cpk sensor question (2000 cadillac stalling)
  107. Why is my '96 Northstar now using oil?
  108. Crankshaft & Cam sensors questions
  109. Sticking gas pedal????, high idle all of the sudden???? What do I check??? PLZ HELP!!
  110. torker
  111. FPR replacement on 94 N*
  112. quote???
  113. NEED HELP - HAVE CODES P1416 and P0101
  114. Idea for vehicle to do Northstar swap on.
  115. MSD ignition
  116. 95 STS Cooling System Quirks
  117. intake manifold exploded/hole after backfire??
  118. What's your preference for plugs and wires ?
  119. Looking for '98 ETC mods
  120. 94 ETC no shift, wont idle
  121. P0121, P0507 High Idle???
  122. 94 N* EGR valve ?? Engine stumbles.
  123. How do you disable the traction control perm without having to press the button in...
  124. I have a question about cold startswith N*??
  125. !996 Deville help troubleshoot
  126. White Smoke coming from front of car
  127. 2001 Cadillac SLS LD8 Bore-increase
  128. 2nd annual midwest meet !
  129. Engine Help!!!
  130. Sick Tranny?
  131. Need help - going to see a 98 Seville STS on Sat, what do I check?
  132. Got my 05 Deville back from Dealer!! and extra part for sale.
  133. New HG Installed on a 99, Pings on Start Up?
  134. Need help on 98 Seville/Northstar
  135. Computer/wiring problems
  136. Obd I P046
  137. 1034-loss of PCM data
  138. 2000 Deville with northstar
  139. Got Code P1415 Please Help
  140. Difference between VIN Y and VIN 9
  141. labor cost to replace o2 sensor????
  142. Front Valvetrain Clacking
  143. Can anyone tell me whats wrong?
  144. Could it be the Water Pump Knocking
  145. 200 DeVille Blows hot air at low speed turns cold
  146. Northstar Valvetrain Clatter
  147. So, here are the symptoms, whats wrong
  148. looking for pictures of northstar valvetrain
  149. ? For Ewill or AJ
  150. LC3 FWD Swap?
  151. Those Damn HEAD GASKETS
  152. Missed one connection
  153. Thermagasket Does It Work???
  154. IAC Counts
  155. Fuel pressure regulator?
  156. 1996 Deville Troubleshoot update
  157. Bad Alternator?
  158. 2000 DeVille Overheating Update
  159. 99 Deville Northstar Overheating -wanting non contradicting answers
  160. symptoms of bolt failure/lifted heads
  161. Northstar Rod Spec's & 3.6L
  162. Need a reliable source for Northstar Torque specs
  163. L37 or LD8 ????
  164. very hard start in the cold on N*
  165. msd coil?
  166. seville with shifting problems 1rst > 2nd
  167. overheating problem
  168. Over-sized Northstar Pistons
  169. Loud Engine Whine
  170. 99 STS, almost working
  171. why wont my fans work?
  172. Changing the cams on an STS to the SLS Cams
  173. Check Gas Cap Message.
  174. Why didn't Cadillac make a larger displacement Northstar?
  175. help please
  176. New here need help
  177. AJ-Question
  178. Northstar dimensions
  179. Advice on leak detection kits please
  180. No start (cranks OK)
  181. head gasket seeping oil
  182. Overheating
  183. Dealer Flush
  184. Compressor/ Air Ride Help
  185. big problems on 97 deville>please help me
  186. Track Results and Video's
  187. 2000 Deville DTS Overheating
  188. po39 tcc vcc help
  189. roller lifters or flat tappet
  190. 99 sts stalling out
  191. Northstar Oil Leak
  192. 2000-2005 Headgasket...
  193. Cam Question For AJ or Ewill
  194. now mine STS too Broken HG :(
  195. Northstar mechanic
  196. Pinging above 3000RPM with 93 octane
  197. Anyone who can read motor serials get in here (calling AJ)
  198. Hey, all you guys, check radiator hoses
  199. 96 deville egr valve cleaning
  200. P0741 & P1860
  201. Questions about low-mile oft-stored '02 Eldorado
  202. Throttle Position Sensor 94 N* - how to replace?
  203. How hot can you go?
  204. Two 4.6 Northstar Motors What are they Worth?
  205. Can you name this Car?
  206. Problems with 02 DHS, need more opinions
  207. Removing the N* from an el do?
  208. Northstar Oil Pan Help Needed
  209. possible 1/2 case oil leak.....
  210. water pump tension pulley
  211. oilpan/trans pan gasket...
  212. Custom made 8.5mm MSD spark plug wires
  213. LD8 Engine issue (2005 Bonneville GXP)
  214. engine swap
  215. gasket questions on the northstar
  216. intermittent Bubbling noise in dashboard.. Any ideas?
  217. 96 Eldorado ABS and Traction Control TRBL
  218. Oil leak 2000 Deville
  219. AGAP Northstar reman engine NIGHTMARE
  220. head gasket blown replacing motor
  221. 97 Deville w/ N* Battery(?) problems
  222. Thermostat
  223. Pulling camshaft cover - can it be done w/out dropping engine?
  224. 98 Eldo Rebuilt Motor
  225. question about trans gasket
  226. Noise on Startup when Cold
  227. 2002 sts engine codes
  228. OBD II Manual
  229. No 24x Refrence Signal
  230. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  231. Strange Call
  232. best Seville STS to buy ???
  233. Ok Someone Please Help My 97 Deville Not Running.............
  234. 2005 STS 3.6L Engine Oil Sensors
  235. After Market Code Scanner
  236. Block Sealer??
  237. N* Camshaft Removal: Special Tools Required?
  238. 2001 STS engine knock
  239. northstar poor mileage
  240. Heater Fan
  241. 2002 DTS trouble
  242. White smoke in the exhaust which clears after idling 5 minutes
  243. Head Gaskets Failure 97 STS
  244. is it worth it?.
  245. Head Gasket replacement 97STS
  246. Timing and Octane....I searched.
  247. Plz Listen 2 My story Need Help ASAP
  248. Oil pressure light
  249. Recommndations for N* Tech in Boston/RI Area?
  250. New to the site, wondering about repairs