: Northstar Engines and System Technical Discussion



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  1. Need help on 98 cad seville sls
  2. cometic, felpro or gm oem! Head gasket survey.
  3. Thank You so much
  4. Help
  5. Look at these plugs
  6. Fi A/f Ratio
  7. N* Headgasket Replacement
  8. northstar eldorado swap
  9. new HG, coolant issues
  10. replaced hg, low oil pressure
  11. What else should I clean when replacing intake plenum?
  12. 94 STS N* Top End Oil leak
  13. 94 STS High HC at Idle
  14. Is this a cracked intake plenum? (see attached pics)
  15. spare parts after rebuild **HELP**
  16. New Bar's Leaks Product
  17. Newest Intake work...
  18. Headgaskets!
  19. Fuel pressure or pump problem? Need Help!
  20. northstar engine
  21. 2001 Seville dies out????
  22. My Head gasket job
  23. 2000 SLS uses 1qt oil every 500mi - Should I be worried???
  24. air filter
  25. Please help 1995 STS "Service Engine Soon" jumping out of gear?
  26. Northstar Rant
  27. A/C blowing warm air
  28. Sorry for the rant but early NS owners need to know
  29. sealant- case 1/2's
  30. 2000 N* Rough Idle in Seville STS
  31. 01 STS running rich
  32. Is car driveable with Blown HG?
  33. heating and a/c system please help
  34. clogged radiator?????
  35. Headgasket, or what?
  36. no spark
  37. how to replace motor mount on 97 deville northstar
  38. Which Northstar do I have?
  39. 94jN* What do I use for a sealant when I put the intake manifold back on?
  40. no spark
  41. Professionally Painted Northstar Engine Covers
  42. Reuse main bearings?
  43. Noise coming from LH head - valve?
  44. 94 N* Help white smoke out of exhaust
  45. Overheating mystery
  46. New Coolant
  47. PLEASE HELP!!! Stalling when warm and smoking alternator
  48. Car lunges forward when tapping gas
  49. 93, 94 or 95 Eldo worth buying?
  50. Does 2006 Dts Engines Have Headgasket Problems Also?
  51. misc questions
  52. northstar gone bad....AHHHHH
  53. camshaft sensor
  54. Replacing Cylinder Heads Project
  55. newest member of the headgasket club
  56. 1999 northstar warped heads
  57. Northstar engine swap
  58. p0340 camshaft position sensor
  59. northstar in a monte carlo
  60. could this be anything else?
  61. for under 8k would anybody buy a NS Caddy?
  62. No spark,Please help !!
  63. N* Water Pump...I think
  64. 4.6L Northstar CMP tests and replacement ?
  65. 4t80-e
  66. Random Misfire P0300 code
  67. Head Gasket Failure Signs
  68. Which Head Gasket to use?
  69. Swap LD8 in for a L37
  70. Demise of the Northstar
  71. head gasket
  72. GM service manual dvd
  73. The Ultimate FWD Cadillac Northstar Build
  74. No pulses on the injector wires?
  75. Need a connecting rod nut
  76. are coils interchangible from front to rear?
  77. 99" Sts, Rough Idle When Cold. Help!!!
  78. Overheating after new headgasket
  79. Engine running at higher then normal RPM`s
  80. Replacing starter-port intake?
  81. is this normal?
  82. How soon do you replace oil pan gasket?
  83. Torque Multiplier Upgrade ??????? hmmm
  84. mpg and oil consumption 00 dts
  85. 2000 N* Cracked Block & Questions
  86. Tranny Bolts
  87. ICM location anyone- need help!
  88. P0107 then P0201 thru P0208 runs fine
  89. 586Hp Northstar, in a grand prix
  90. Looking for head gasket repair in Northwest, Indiana
  91. Brands Of Oil ?
  92. is it the head or intake manifold gasket?
  93. drive by wire nitrous kit ???
  94. 98 STS Engine Removal
  95. About Gas
  96. Shocks
  97. do you need premium gas in a 4.6 nothstar
  98. New Mods on Customers cars
  99. The smell of coolant~
  100. Setting Camshaft timing HELP!!!
  101. Northstar Over Heating After Waterpump Replacement
  102. how to clean out intake??
  103. emissions light comes on
  104. random miss at idle
  105. spark plugs and wires
  106. Idle
  107. Looking for some more power!
  108. What coolant do i use
  109. 97 Seville Overheat Try This One
  110. northstar smoking engine
  111. Performance Programing 01 DTS
  112. misfire
  113. 2006 Dts Rough Idle On Morning Start Up?
  114. What Causes Heagaskets To Blow?
  115. Blown Engine
  116. Air ram cones
  117. northstar engine knock help!
  118. Help identify foreign object jamming intake valve open
  119. 01 Dts Rough Idle
  120. dangrieco
  121. Spark plugs ?
  122. changing the governor
  123. Delaney Power Extractor Engine
  124. 94 cadillac sts ECM install
  125. Anyone here in Michigan
  126. Where to find new camshafts?
  127. Please don't flame the noob...codes and problem
  128. Real octane booster?
  129. Motor for 96 STS????
  130. What do you think of this? ECU Modifier
  131. Root Cause of Head gasket Failure and a Fix?
  132. Wont start when its cold
  133. Cadillac sts '94 problem
  134. 1995 STS sudden problem
  135. Oil burning TSB.. I know this has been talked about before
  136. Oil Under The Beauty Cover
  137. 97 STS Starting after dead battery
  138. Can you run your car with water?
  139. New to the site, wondering about repairs
  140. Recommndations for N* Tech in Boston/RI Area?
  141. Oil pressure light
  142. Plz Listen 2 My story Need Help ASAP
  143. Timing and Octane....I searched.
  144. Head Gasket replacement 97STS
  145. is it worth it?.
  146. Head Gaskets Failure 97 STS
  147. White smoke in the exhaust which clears after idling 5 minutes
  148. 2002 DTS trouble
  149. Heater Fan
  150. northstar poor mileage
  151. 2001 STS engine knock
  152. N* Camshaft Removal: Special Tools Required?
  153. Block Sealer??
  154. After Market Code Scanner
  155. 2005 STS 3.6L Engine Oil Sensors
  156. Ok Someone Please Help My 97 Deville Not Running.............
  157. best Seville STS to buy ???
  158. Strange Call
  159. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  160. No 24x Refrence Signal
  161. OBD II Manual
  162. 2002 sts engine codes
  163. Noise on Startup when Cold
  164. question about trans gasket
  165. 98 Eldo Rebuilt Motor
  166. Pulling camshaft cover - can it be done w/out dropping engine?
  167. Thermostat
  168. 97 Deville w/ N* Battery(?) problems
  169. head gasket blown replacing motor
  170. AGAP Northstar reman engine NIGHTMARE
  171. Oil leak 2000 Deville
  172. 96 Eldorado ABS and Traction Control TRBL
  173. intermittent Bubbling noise in dashboard.. Any ideas?
  174. gasket questions on the northstar
  175. engine swap
  176. LD8 Engine issue (2005 Bonneville GXP)
  177. Custom made 8.5mm MSD spark plug wires
  178. oilpan/trans pan gasket...
  179. water pump tension pulley
  180. possible 1/2 case oil leak.....
  181. Northstar Oil Pan Help Needed
  182. Removing the N* from an el do?
  183. Problems with 02 DHS, need more opinions
  184. Can you name this Car?
  185. Two 4.6 Northstar Motors What are they Worth?
  186. How hot can you go?
  187. Throttle Position Sensor 94 N* - how to replace?
  188. Questions about low-mile oft-stored '02 Eldorado
  189. P0741 & P1860
  190. 96 deville egr valve cleaning
  191. Hey, all you guys, check radiator hoses
  192. Anyone who can read motor serials get in here (calling AJ)
  193. Pinging above 3000RPM with 93 octane
  194. Northstar mechanic
  195. now mine STS too Broken HG :(
  196. Cam Question For AJ or Ewill
  197. 2000-2005 Headgasket...
  198. Northstar Oil Leak
  199. 99 sts stalling out
  200. roller lifters or flat tappet
  201. po39 tcc vcc help
  202. 2000 Deville DTS Overheating
  203. Track Results and Video's
  204. big problems on 97 deville>please help me
  205. Compressor/ Air Ride Help
  206. Dealer Flush
  207. Overheating
  208. head gasket seeping oil
  209. No start (cranks OK)
  210. Advice on leak detection kits please
  211. Northstar dimensions
  212. AJ-Question
  213. New here need help
  214. help please
  215. Why didn't Cadillac make a larger displacement Northstar?
  216. Check Gas Cap Message.
  217. Changing the cams on an STS to the SLS Cams
  218. why wont my fans work?
  219. 99 STS, almost working
  220. Loud Engine Whine
  221. Over-sized Northstar Pistons
  222. overheating problem
  223. seville with shifting problems 1rst > 2nd
  224. msd coil?
  225. very hard start in the cold on N*
  226. L37 or LD8 ????
  227. Need a reliable source for Northstar Torque specs
  228. Northstar Rod Spec's & 3.6L
  229. symptoms of bolt failure/lifted heads
  230. 99 Deville Northstar Overheating -wanting non contradicting answers
  231. 2000 DeVille Overheating Update
  232. Bad Alternator?
  233. 1996 Deville Troubleshoot update
  234. Fuel pressure regulator?
  235. IAC Counts
  236. Thermagasket Does It Work???
  237. Missed one connection
  238. Those Damn HEAD GASKETS
  239. LC3 FWD Swap?
  240. ? For Ewill or AJ
  241. looking for pictures of northstar valvetrain
  242. So, here are the symptoms, whats wrong
  243. Northstar Valvetrain Clatter
  244. 200 DeVille Blows hot air at low speed turns cold
  245. Could it be the Water Pump Knocking
  246. Can anyone tell me whats wrong?
  247. Front Valvetrain Clacking
  248. labor cost to replace o2 sensor????
  249. Difference between VIN Y and VIN 9
  250. Got Code P1415 Please Help