: Northstar Engines and System Technical Discussion



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