: 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. are coils interchangible from front to rear?
  96. 99" Sts, Rough Idle When Cold. Help!!!
  97. Overheating after new headgasket
  98. Engine running at higher then normal RPM`s
  99. Replacing starter-port intake?
  100. is this normal?
  101. How soon do you replace oil pan gasket?
  102. Torque Multiplier Upgrade ??????? hmmm
  103. mpg and oil consumption 00 dts
  104. 2000 N* Cracked Block & Questions
  105. Tranny Bolts
  106. ICM location anyone- need help!
  107. P0107 then P0201 thru P0208 runs fine
  108. 586Hp Northstar, in a grand prix
  109. Looking for head gasket repair in Northwest, Indiana
  110. Brands Of Oil ?
  111. is it the head or intake manifold gasket?
  112. drive by wire nitrous kit ???
  113. 98 STS Engine Removal
  114. About Gas
  115. Shocks
  116. do you need premium gas in a 4.6 nothstar
  117. New Mods on Customers cars
  118. The smell of coolant~
  119. Setting Camshaft timing HELP!!!
  120. Northstar Over Heating After Waterpump Replacement
  121. how to clean out intake??
  122. emissions light comes on
  123. random miss at idle
  124. spark plugs and wires
  125. Idle
  126. Looking for some more power!
  127. What coolant do i use
  128. 97 Seville Overheat Try This One
  129. northstar smoking engine
  130. Performance Programing 01 DTS
  131. misfire
  132. 2006 Dts Rough Idle On Morning Start Up?
  133. What Causes Heagaskets To Blow?
  134. Blown Engine
  135. Air ram cones
  136. northstar engine knock help!
  137. Help identify foreign object jamming intake valve open
  138. 01 Dts Rough Idle
  139. dangrieco
  140. Spark plugs ?
  141. changing the governor
  142. Delaney Power Extractor Engine
  143. 94 cadillac sts ECM install
  144. Anyone here in Michigan
  145. Where to find new camshafts?
  146. Please don't flame the noob...codes and problem
  147. Real octane booster?
  148. Motor for 96 STS????
  149. What do you think of this? ECU Modifier
  150. Root Cause of Head gasket Failure and a Fix?
  151. Wont start when its cold
  152. Cadillac sts '94 problem
  153. 1995 STS sudden problem
  154. Oil burning TSB.. I know this has been talked about before
  155. Oil Under The Beauty Cover
  156. 97 STS Starting after dead battery
  157. Can you run your car with water?
  158. New to the site, wondering about repairs
  159. Recommndations for N* Tech in Boston/RI Area?
  160. Oil pressure light
  161. Plz Listen 2 My story Need Help ASAP
  162. Timing and Octane....I searched.
  163. Head Gasket replacement 97STS
  164. is it worth it?.
  165. Head Gaskets Failure 97 STS
  166. White smoke in the exhaust which clears after idling 5 minutes
  167. 2002 DTS trouble
  168. Heater Fan
  169. northstar poor mileage
  170. 2001 STS engine knock
  171. N* Camshaft Removal: Special Tools Required?
  172. Block Sealer??
  173. After Market Code Scanner
  174. 2005 STS 3.6L Engine Oil Sensors
  175. Ok Someone Please Help My 97 Deville Not Running.............
  176. best Seville STS to buy ???
  177. Strange Call
  178. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  179. No 24x Refrence Signal
  180. OBD II Manual
  181. 2002 sts engine codes
  182. Noise on Startup when Cold
  183. question about trans gasket
  184. 98 Eldo Rebuilt Motor
  185. Pulling camshaft cover - can it be done w/out dropping engine?
  186. Thermostat
  187. 97 Deville w/ N* Battery(?) problems
  188. head gasket blown replacing motor
  189. AGAP Northstar reman engine NIGHTMARE
  190. Oil leak 2000 Deville
  191. 96 Eldorado ABS and Traction Control TRBL
  192. intermittent Bubbling noise in dashboard.. Any ideas?
  193. gasket questions on the northstar
  194. engine swap
  195. LD8 Engine issue (2005 Bonneville GXP)
  196. Custom made 8.5mm MSD spark plug wires
  197. oilpan/trans pan gasket...
  198. water pump tension pulley
  199. possible 1/2 case oil leak.....
  200. Northstar Oil Pan Help Needed
  201. Removing the N* from an el do?
  202. Problems with 02 DHS, need more opinions
  203. Can you name this Car?
  204. Two 4.6 Northstar Motors What are they Worth?
  205. How hot can you go?
  206. Throttle Position Sensor 94 N* - how to replace?
  207. Questions about low-mile oft-stored '02 Eldorado
  208. P0741 & P1860
  209. 96 deville egr valve cleaning
  210. Hey, all you guys, check radiator hoses
  211. Anyone who can read motor serials get in here (calling AJ)
  212. Pinging above 3000RPM with 93 octane
  213. Northstar mechanic
  214. now mine STS too Broken HG :(
  215. Cam Question For AJ or Ewill
  216. 2000-2005 Headgasket...
  217. Northstar Oil Leak
  218. 99 sts stalling out
  219. roller lifters or flat tappet
  220. po39 tcc vcc help
  221. 2000 Deville DTS Overheating
  222. Track Results and Video's
  223. big problems on 97 deville>please help me
  224. Compressor/ Air Ride Help
  225. Dealer Flush
  226. Overheating
  227. head gasket seeping oil
  228. No start (cranks OK)
  229. Advice on leak detection kits please
  230. Northstar dimensions
  231. AJ-Question
  232. New here need help
  233. help please
  234. Why didn't Cadillac make a larger displacement Northstar?
  235. Check Gas Cap Message.
  236. Changing the cams on an STS to the SLS Cams
  237. why wont my fans work?
  238. 99 STS, almost working
  239. Loud Engine Whine
  240. Over-sized Northstar Pistons
  241. overheating problem
  242. seville with shifting problems 1rst > 2nd
  243. msd coil?
  244. very hard start in the cold on N*
  245. L37 or LD8 ????
  246. Need a reliable source for Northstar Torque specs
  247. Northstar Rod Spec's & 3.6L
  248. symptoms of bolt failure/lifted heads
  249. 99 Deville Northstar Overheating -wanting non contradicting answers
  250. 2000 DeVille Overheating Update