: Northstar Engines and System Technical Discussion



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  1. Help!!!what Parts Do I Need For N*headgasket Replacements?
  2. Another overheater...
  3. Is it ok..........
  4. Engine oil level sensor leaking
  5. How to install Nitrous the correct way! I need input
  6. Are There any Hot Rodder's here?
  7. Lifter, Cam, Valve Issue? (Sounds like Chubby Ranger)
  8. going to attempt head gaskets
  9. 1993 Northstar Rough Idle
  10. check this out if you have had cooling system trouble ie headgaskets
  11. PCM 0101 code set on WOT
  12. 96 Cad DeVille Questions
  13. Need help on 98 cad seville sls
  14. cometic, felpro or gm oem! Head gasket survey.
  15. Thank You so much
  16. Help
  17. Look at these plugs
  18. Fi A/f Ratio
  19. N* Headgasket Replacement
  20. northstar eldorado swap
  21. new HG, coolant issues
  22. replaced hg, low oil pressure
  23. What else should I clean when replacing intake plenum?
  24. 94 STS N* Top End Oil leak
  25. 94 STS High HC at Idle
  26. Is this a cracked intake plenum? (see attached pics)
  27. spare parts after rebuild **HELP**
  28. New Bar's Leaks Product
  29. Newest Intake work...
  30. Headgaskets!
  31. Fuel pressure or pump problem? Need Help!
  32. northstar engine
  33. 2001 Seville dies out????
  34. My Head gasket job
  35. 2000 SLS uses 1qt oil every 500mi - Should I be worried???
  36. air filter
  37. Please help 1995 STS "Service Engine Soon" jumping out of gear?
  38. Northstar Rant
  39. A/C blowing warm air
  40. Sorry for the rant but early NS owners need to know
  41. sealant- case 1/2's
  42. 2000 N* Rough Idle in Seville STS
  43. 01 STS running rich
  44. Is car driveable with Blown HG?
  45. heating and a/c system please help
  46. clogged radiator?????
  47. Headgasket, or what?
  48. no spark
  49. how to replace motor mount on 97 deville northstar
  50. Which Northstar do I have?
  51. 94jN* What do I use for a sealant when I put the intake manifold back on?
  52. no spark
  53. Professionally Painted Northstar Engine Covers
  54. Reuse main bearings?
  55. Noise coming from LH head - valve?
  56. 94 N* Help white smoke out of exhaust
  57. Overheating mystery
  58. New Coolant
  59. PLEASE HELP!!! Stalling when warm and smoking alternator
  60. Car lunges forward when tapping gas
  61. 93, 94 or 95 Eldo worth buying?
  62. Does 2006 Dts Engines Have Headgasket Problems Also?
  63. misc questions
  64. northstar gone bad....AHHHHH
  65. camshaft sensor
  66. Replacing Cylinder Heads Project
  67. newest member of the headgasket club
  68. 1999 northstar warped heads
  69. Northstar engine swap
  70. p0340 camshaft position sensor
  71. northstar in a monte carlo
  72. could this be anything else?
  73. for under 8k would anybody buy a NS Caddy?
  74. No spark,Please help !!
  75. N* Water Pump...I think
  76. 4.6L Northstar CMP tests and replacement ?
  77. 4t80-e
  78. Random Misfire P0300 code
  79. Head Gasket Failure Signs
  80. Which Head Gasket to use?
  81. Swap LD8 in for a L37
  82. Demise of the Northstar
  83. head gasket
  84. GM service manual dvd
  85. The Ultimate FWD Cadillac Northstar Build
  86. No pulses on the injector wires?
  87. Need a connecting rod nut
  88. 150 shot on stock 2008 DTS??
  89. are coils interchangible from front to rear?
  90. 99" Sts, Rough Idle When Cold. Help!!!
  91. Overheating after new headgasket
  92. Engine running at higher then normal RPM`s
  93. Replacing starter-port intake?
  94. is this normal?
  95. How soon do you replace oil pan gasket?
  96. Torque Multiplier Upgrade ??????? hmmm
  97. mpg and oil consumption 00 dts
  98. 2000 N* Cracked Block & Questions
  99. Tranny Bolts
  100. ICM location anyone- need help!
  101. P0107 then P0201 thru P0208 runs fine
  102. 586Hp Northstar, in a grand prix
  103. Looking for head gasket repair in Northwest, Indiana
  104. Brands Of Oil ?
  105. is it the head or intake manifold gasket?
  106. drive by wire nitrous kit ???
  107. 98 STS Engine Removal
  108. About Gas
  109. Shocks
  110. do you need premium gas in a 4.6 nothstar
  111. New Mods on Customers cars
  112. The smell of coolant~
  113. Setting Camshaft timing HELP!!!
  114. Northstar Over Heating After Waterpump Replacement
  115. how to clean out intake??
  116. emissions light comes on
  117. random miss at idle
  118. spark plugs and wires
  119. Idle
  120. Looking for some more power!
  121. What coolant do i use
  122. 97 Seville Overheat Try This One
  123. northstar smoking engine
  124. Performance Programing 01 DTS
  125. misfire
  126. 2006 Dts Rough Idle On Morning Start Up?
  127. What Causes Heagaskets To Blow?
  128. Blown Engine
  129. Air ram cones
  130. northstar engine knock help!
  131. Help identify foreign object jamming intake valve open
  132. 01 Dts Rough Idle
  133. dangrieco
  134. Spark plugs ?
  135. changing the governor
  136. Delaney Power Extractor Engine
  137. 94 cadillac sts ECM install
  138. Anyone here in Michigan
  139. Where to find new camshafts?
  140. Please don't flame the noob...codes and problem
  141. Real octane booster?
  142. Motor for 96 STS????
  143. What do you think of this? ECU Modifier
  144. Root Cause of Head gasket Failure and a Fix?
  145. Wont start when its cold
  146. Cadillac sts '94 problem
  147. 1995 STS sudden problem
  148. Oil burning TSB.. I know this has been talked about before
  149. Oil Under The Beauty Cover
  150. 97 STS Starting after dead battery
  151. Can you run your car with water?
  152. New to the site, wondering about repairs
  153. Recommndations for N* Tech in Boston/RI Area?
  154. Oil pressure light
  155. Plz Listen 2 My story Need Help ASAP
  156. Timing and Octane....I searched.
  157. Head Gasket replacement 97STS
  158. is it worth it?.
  159. Head Gaskets Failure 97 STS
  160. White smoke in the exhaust which clears after idling 5 minutes
  161. 2002 DTS trouble
  162. Heater Fan
  163. northstar poor mileage
  164. 2001 STS engine knock
  165. N* Camshaft Removal: Special Tools Required?
  166. Block Sealer??
  167. After Market Code Scanner
  168. 2005 STS 3.6L Engine Oil Sensors
  169. Ok Someone Please Help My 97 Deville Not Running.............
  170. best Seville STS to buy ???
  171. Strange Call
  172. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  173. No 24x Refrence Signal
  174. OBD II Manual
  175. 2002 sts engine codes
  176. Noise on Startup when Cold
  177. question about trans gasket
  178. 98 Eldo Rebuilt Motor
  179. Pulling camshaft cover - can it be done w/out dropping engine?
  180. Thermostat
  181. 97 Deville w/ N* Battery(?) problems
  182. head gasket blown replacing motor
  183. AGAP Northstar reman engine NIGHTMARE
  184. Oil leak 2000 Deville
  185. 96 Eldorado ABS and Traction Control TRBL
  186. intermittent Bubbling noise in dashboard.. Any ideas?
  187. gasket questions on the northstar
  188. engine swap
  189. LD8 Engine issue (2005 Bonneville GXP)
  190. Custom made 8.5mm MSD spark plug wires
  191. oilpan/trans pan gasket...
  192. water pump tension pulley
  193. possible 1/2 case oil leak.....
  194. Northstar Oil Pan Help Needed
  195. Removing the N* from an el do?
  196. Problems with 02 DHS, need more opinions
  197. Can you name this Car?
  198. Two 4.6 Northstar Motors What are they Worth?
  199. How hot can you go?
  200. Throttle Position Sensor 94 N* - how to replace?
  201. Questions about low-mile oft-stored '02 Eldorado
  202. P0741 & P1860
  203. 96 deville egr valve cleaning
  204. Hey, all you guys, check radiator hoses
  205. Anyone who can read motor serials get in here (calling AJ)
  206. Pinging above 3000RPM with 93 octane
  207. Northstar mechanic
  208. now mine STS too Broken HG :(
  209. Cam Question For AJ or Ewill
  210. 2000-2005 Headgasket...
  211. Northstar Oil Leak
  212. 99 sts stalling out
  213. roller lifters or flat tappet
  214. po39 tcc vcc help
  215. 2000 Deville DTS Overheating
  216. Track Results and Video's
  217. big problems on 97 deville>please help me
  218. Compressor/ Air Ride Help
  219. Dealer Flush
  220. Overheating
  221. head gasket seeping oil
  222. No start (cranks OK)
  223. Advice on leak detection kits please
  224. Northstar dimensions
  225. AJ-Question
  226. New here need help
  227. help please
  228. Why didn't Cadillac make a larger displacement Northstar?
  229. Check Gas Cap Message.
  230. Changing the cams on an STS to the SLS Cams
  231. why wont my fans work?
  232. 99 STS, almost working
  233. Loud Engine Whine
  234. Over-sized Northstar Pistons
  235. overheating problem
  236. seville with shifting problems 1rst > 2nd
  237. msd coil?
  238. very hard start in the cold on N*
  239. L37 or LD8 ????
  240. Need a reliable source for Northstar Torque specs
  241. Northstar Rod Spec's & 3.6L
  242. symptoms of bolt failure/lifted heads
  243. 99 Deville Northstar Overheating -wanting non contradicting answers
  244. 2000 DeVille Overheating Update
  245. Bad Alternator?
  246. 1996 Deville Troubleshoot update
  247. Fuel pressure regulator?
  248. IAC Counts
  249. Thermagasket Does It Work???
  250. Missed one connection