: Northstar Engines and System Technical Discussion



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