: Northstar Engines and System Technical Discussion



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