: Northstar Engines and System Technical Discussion



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  1. To hone? or not to hone
  2. Pulleys... A good source?
  3. timing car with engine in car
  4. 98 N* engine, blue valve cover washers?
  5. motor swap
  6. Today's Racing Question: Studs or Norm's?
  7. Please help guy
  8. Northstar engine swap 2000 put in a 96 Northstar
  9. Power steering leak
  10. 97 sls shifting problem
  11. Deleting govnor on a 2000 eldorado????
  12. Service Engine Soon Codes 1022 & 1122
  13. Coolant Change Help
  14. Head Gasket Repair, now noticed block is cracked
  15. Priming the oil pump
  16. Confused as hell
  17. ATF Question...
  18. cooling fans come on at what temp?
  19. add torque struts(dog bones) to 99 seville
  20. Turbo Charged 99 STS
  21. What tools do you need for a hg/engine pull job
  22. headgasket need used insert kit
  23. Recent Stud Kit Customers - READ THIS PLEASE
  24. HELP My mechanic says I have carboned lifters
  25. What color are stock gaskets?
  26. Dumb head gasket question
  27. Resetting Timing after Head Gasket job.
  28. Cadillac Engineers please help us!
  29. how do i change my idle
  30. head gasket help!!!!!!
  31. Transmission cooling
  32. Idle at 3000 RPM HELP!!!
  33. added power?
  34. northstar crank sensors
  35. 2000 DTS plugs and hoses - tough job, I think
  36. FPR acting up
  37. 98+ STS brake upgrade?
  38. Spark plugs
  39. Email conversation with HEAL-A-SEAL
  40. O2 Sensors
  41. 01 SLS w/ Cracked Block - Need Cincy Area Mechanic
  42. 06 DTS crank seal leaking
  43. 4t80e side cover drain
  44. '98 STS stumbles and misses (NO CEL)
  45. MAP sensor keeps going bad - 94 N*
  46. 2004 dhs starting problem
  47. Attention All Northstar Technicians- New Northstar Drilling / Tapping Machine
  48. headgasket being repaired
  49. High mileage oils
  50. P0420 code
  51. Wot?
  52. You'll never guess what I broke today
  53. 95 STS fluctuating rpm and slight bogging while driving
  54. 1993 Cadillac sts 4.6 idle fluctuating
  55. SLS engine and trannie in a STS?
  56. Air conditioning compressor clutch bearing
  57. Manifold Blowoff Leaking - parking break stuck
  58. 110,000 miles, what else should be done along with head gaskets?
  59. "Tic Tic Tic" sound on 02 SLS
  60. Flashing SES/P0300
  61. Working on mama's Caddy. Need help with O2 Sensor
  62. Head Gasket?
  63. Investors needed. Big time.
  64. thermostat housing gasket? 99 sts
  65. New England area Northstar mechanics? (Head Gaskets)
  66. 6 oil leaks; gaskets replaced now intake plenum boot replaced..
  67. That's a lot of smoke! (exhaust)
  68. Mobile 1 Clean High Mileage
  69. Chocolate Milk in the oilpan
  70. Heater Core Inlet Connector O-Ring Leak
  71. Breakthrough for anyone with bad exhaust cams
  72. 96 Aurora 4.0
  73. Idle Too Low P0506 New Throttle Body?
  74. Northstar mechanic on Long Island?
  75. 4t80E shift solenoid part #
  76. B0149
  77. Code P119
  78. HeadGasket Repaired - cost $1500 - but more problems?...
  79. 95 Eldo headgaskets?
  80. Only overheats when the AC or the heat is on....
  81. 06+ STS Northstar ECM repin to 07-08, new carrer and trans install
  82. Aftermarket Temp. Gauge
  83. Coolant Supply Line
  84. Idles rough after being started in the morning
  85. Best way to clean the engine bay?
  86. 2001 Cadillac DTS Can't get up to speed, power loss, studdering, See Video
  87. Tricky Coolant Leak
  88. Coming back home
  89. 2000 DHS exhaust smoking and running poor
  90. 4 Engine Questions
  91. Is this guy being honest with me? video of a SEIZED ENGINE!!!
  92. Any thoughts on this...
  93. tap for time serts
  94. Just bought a 98 Deville, was overheating, am I paranoid?
  95. 208 at 40+ 212 at <40
  96. low oil pressure
  97. Batman's Northstar
  98. Another Wont crank issue
  99. Woohoo...Head gasket repair is done
  100. 1998 Deville acceleration slip
  101. Steering joint bolt
  102. My bone stock '98 STS pulled a 14.95 in the 1/4
  103. Weird Noise
  104. Heartland High Mileage Oil Changer Review
  105. 95 sls n* solenoid clicking
  106. Interesting find
  107. Valve cover bolts???
  108. Timing mark clarification
  109. Engine in the car repair... how many gaskets?
  110. Front hydraulic motor mount
  111. I can't get the CV joint to separate from the Trans
  112. 1993 Caddillac Eldorado - Timing Chain Issue
  113. Stud Kit Success!!
  114. Ways to increase performance?
  115. Radiator leaks and engine runs rough, no codes
  116. Ethanol Blends
  117. 98 Eldorado Starting Problems
  118. Problems removing head dowels
  119. Another visit to the track
  120. 95 vs 99 Northstar
  121. Tuning up the engine.
  122. Head Gasket Repair At Your Location!
  123. Head Gasket Paranoia
  124. catalyst converter replaced
  125. 93 STS Lots of smoke after fillup
  126. Exact oil filter wrench for 1996 Seville SLS
  127. new northstar
  128. Super Noob needs help overheating
  129. Nitrous Help: 01 DTS
  130. Head gasket removal, best practices
  131. 01 deville o2's locations?
  132. Head stud kit
  133. Documenting a swap: N* 4.6 / 97 STS
  134. 2005 DTS Twin Turbo project??
  135. No pcm data
  136. No pcm data?
  137. WIll a 98 vin 9 motor go into a 94 STS
  138. another newbie HG question
  139. NEW - 2002 Head Gasket Failure - Best Fix...
  140. Failed Smog Emissions Northstar
  141. What could it be?
  142. Exchange fluids how often?
  143. Tuning thread. Disappointed, but I understand.
  144. looking to buy a Caddy
  145. AC Delco platinum plug gap settings for N*
  146. how do i get my car to northstar preformance, uh cheaply?
  147. Engine 'misses' at stoplights
  148. where to get my head gasket repaired?
  149. Engine Shaking
  150. 4.6 Prevention and maintenance for longer life IE head gaskets.
  151. How to properly switch from red to green in a 2000 STS
  152. Water Pump Issue
  153. Lucas Oil Stabilizer
  154. Rough idle and low speed chug
  155. barS headgasket repair, has anyone tried it?
  156. Secondary Air Injection Check Valve... Bent?
  157. 2000 STS motor mount help?
  158. Oil pressure dummy light flickers...
  159. Head Bolts...
  160. Slight stumble, no codes
  161. 97 Deville wont start in the morning
  162. Stud Kit Help
  163. A kitten caused my Serpentine Belt to come off
  164. Check Coolant Level
  165. Cleaning Heads and Block
  166. Over Heating... HELP!!!
  167. 2001 deville rough idle
  168. engine grounds
  169. manifold blowoff
  170. sealant for blown heads?
  171. 1994 STS Overheating (I think)...
  172. Block Identification Numbers
  173. Snapping noise when coming to a stop..Answered Finally!!!
  174. Overheating Eldorado Help
  175. need some help
  176. 05' STS. Little help with P0102 please
  177. 2000 DTS P0300 code
  178. Head gasket repair
  179. P041 1994 deville concours
  180. Quick Oil Question
  181. rough idle, no codes, rough start
  182. coolant leak
  183. STS Radiator Hose Replacement
  184. 95 Eldorado ETC - Cooling system
  185. power steering line: o-ring?
  186. broken bolt in oil pan
  187. Water pump & crossover gasket - $$$$
  188. Help Me Please
  189. Rad Cap PSI was wrong
  190. Coolant Leak. Where's it coming from?
  191. Water pump Purge line?
  192. 5w30 or 0w30
  193. Destroying a N* Engine
  194. N* engine removal - newbee
  195. 02 DHS overheating
  196. TCC Stuck Off
  197. No clue what to do. Northstar blues
  198. problem with map sensors
  199. 2001 caddy sts seville tranny
  200. What is going on with the car?
  201. Spark Plug Wires
  202. "Hush" or "Gasp" Before Expected Throttle Response
  203. my 93 ETC Eldorado N* has a question for you guys
  204. Which spark plugs to buy?
  205. Thoughts on Dex-Cool and Head Gaskets
  206. 2001 cadillac deville small hesitations
  207. Normal Operating Temperature?
  208. Intermittent starting issue 97Seville SLS
  209. Trouble finding exhaust leak 99 Deville Y motor
  210. Is 235 too hot for a N*star on hilly roads?
  211. Spark Plugs ACDELCO or somthign els ?
  212. Good mechanics to fix head gasket in Oceanside, California area
  213. rough idle, only when in gear and brake on
  214. The first head gasket failure - 1 out of around 90 or so
  215. Tranny problems?
  216. how to install serpentine belt on 98 concours
  217. engine swap
  218. Why high fuel pressure?
  219. 1997 Northstar low speed hesitation and noise
  220. 2001 DeVille DHS / North Star motor losing power
  221. Air-Dam / Belly Splash Guard importance on cooling your N*
  222. Make Your Own Damn Motor Mount
  223. cooling fans inop p01660
  224. Hard shifting 1-2 Help!
  225. Fabricated Torque Strut for the 2000+ Northstar
  226. Horrible Engine Bucking 93 N* Allante
  227. 1998 Seville STS Performance Engine Build - STAGE I
  228. My pulley melted
  229. 01 Deville issues, no codes, no check engine light
  230. '96 Deville Coolant Change
  231. Overheating
  232. White smoke after changing starter (by removing intake manifold)
  233. No current codes but...
  234. N* Powered Camaro
  235. Strange coolant/heat issue 99 STS
  236. 1998 STS engine full of mystery sludge?!
  237. Rough idle-stumble on accel
  238. 95 Eldorado 4.6L Engine stalls
  239. Oil in intake manifold 4.6 1993
  240. 98 Deville Concours Preformance Exhaust???
  241. Engine year compatibility
  242. Sucessful Northstar head gasket repair in a bottle
  243. PCM 09354896 code DCHJ
  244. 1997 4.6 eldorado up hill over heats
  245. fuel injector ohms
  246. 93 sts fuel rail removal tools
  247. Air ride compressor
  248. Overheating??
  249. Codes P0122 and P1122...
  250. Motor mount replaced!! WTF!!!!!