: Northstar Engines and System Technical Discussion



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  1. Randomly Running Extremely Rich
  2. Is there a tuner for a 2001 Deville?
  3. I need help!!!
  4. pull tranny, fix half case leak
  5. Slow start and stalling
  6. Who wants/needs a brand new Supercharged Northstar / RWD Trans?
  7. Northstar powered trike
  8. torque angle meter?
  9. pulley decides to whine
  10. Misfire on cylinder 6
  11. TCC Stuck Off (Code P0741) Still on after Solenoid Changeout
  12. Still making engine noise
  13. CHRFAB cams installed - 98 STS - the results are in
  14. Race Caddy losing coolant and making noise
  15. northstar in a camaro!
  16. timming in a 95 sts
  17. To hone? or not to hone
  18. Pulleys... A good source?
  19. timing car with engine in car
  20. 98 N* engine, blue valve cover washers?
  21. motor swap
  22. Today's Racing Question: Studs or Norm's?
  23. Please help guy
  24. Northstar engine swap 2000 put in a 96 Northstar
  25. Power steering leak
  26. 97 sls shifting problem
  27. Deleting govnor on a 2000 eldorado????
  28. Service Engine Soon Codes 1022 & 1122
  29. Coolant Change Help
  30. Head Gasket Repair, now noticed block is cracked
  31. Priming the oil pump
  32. Confused as hell
  33. ATF Question...
  34. cooling fans come on at what temp?
  35. add torque struts(dog bones) to 99 seville
  36. Turbo Charged 99 STS
  37. What tools do you need for a hg/engine pull job
  38. headgasket need used insert kit
  39. Recent Stud Kit Customers - READ THIS PLEASE
  40. HELP My mechanic says I have carboned lifters
  41. What color are stock gaskets?
  42. Dumb head gasket question
  43. Resetting Timing after Head Gasket job.
  44. Cadillac Engineers please help us!
  45. how do i change my idle
  46. head gasket help!!!!!!
  47. Transmission cooling
  48. Idle at 3000 RPM HELP!!!
  49. added power?
  50. northstar crank sensors
  51. 2000 DTS plugs and hoses - tough job, I think
  52. FPR acting up
  53. 98+ STS brake upgrade?
  54. Spark plugs
  55. Email conversation with HEAL-A-SEAL
  56. O2 Sensors
  57. 01 SLS w/ Cracked Block - Need Cincy Area Mechanic
  58. 06 DTS crank seal leaking
  59. 4t80e side cover drain
  60. '98 STS stumbles and misses (NO CEL)
  61. MAP sensor keeps going bad - 94 N*
  62. 2004 dhs starting problem
  63. Attention All Northstar Technicians- New Northstar Drilling / Tapping Machine
  64. headgasket being repaired
  65. High mileage oils
  66. P0420 code
  67. Wot?
  68. You'll never guess what I broke today
  69. 95 STS fluctuating rpm and slight bogging while driving
  70. 1993 Cadillac sts 4.6 idle fluctuating
  71. SLS engine and trannie in a STS?
  72. Air conditioning compressor clutch bearing
  73. Manifold Blowoff Leaking - parking break stuck
  74. 110,000 miles, what else should be done along with head gaskets?
  75. "Tic Tic Tic" sound on 02 SLS
  76. Flashing SES/P0300
  77. Working on mama's Caddy. Need help with O2 Sensor
  78. Head Gasket?
  79. Investors needed. Big time.
  80. thermostat housing gasket? 99 sts
  81. New England area Northstar mechanics? (Head Gaskets)
  82. 6 oil leaks; gaskets replaced now intake plenum boot replaced..
  83. That's a lot of smoke! (exhaust)
  84. Mobile 1 Clean High Mileage
  85. Chocolate Milk in the oilpan
  86. Heater Core Inlet Connector O-Ring Leak
  87. Breakthrough for anyone with bad exhaust cams
  88. 96 Aurora 4.0
  89. Idle Too Low P0506 New Throttle Body?
  90. Northstar mechanic on Long Island?
  91. 4t80E shift solenoid part #
  92. B0149
  93. Code P119
  94. HeadGasket Repaired - cost $1500 - but more problems?...
  95. 95 Eldo headgaskets?
  96. Only overheats when the AC or the heat is on....
  97. 06+ STS Northstar ECM repin to 07-08, new carrer and trans install
  98. Aftermarket Temp. Gauge
  99. Coolant Supply Line
  100. Idles rough after being started in the morning
  101. Best way to clean the engine bay?
  102. 2001 Cadillac DTS Can't get up to speed, power loss, studdering, See Video
  103. Tricky Coolant Leak
  104. Coming back home
  105. 2000 DHS exhaust smoking and running poor
  106. 4 Engine Questions
  107. Is this guy being honest with me? video of a SEIZED ENGINE!!!
  108. Any thoughts on this...
  109. tap for time serts
  110. Just bought a 98 Deville, was overheating, am I paranoid?
  111. 208 at 40+ 212 at <40
  112. low oil pressure
  113. Batman's Northstar
  114. Another Wont crank issue
  115. Woohoo...Head gasket repair is done
  116. 1998 Deville acceleration slip
  117. Steering joint bolt
  118. My bone stock '98 STS pulled a 14.95 in the 1/4
  119. Weird Noise
  120. Heartland High Mileage Oil Changer Review
  121. 95 sls n* solenoid clicking
  122. Interesting find
  123. Valve cover bolts???
  124. Timing mark clarification
  125. Engine in the car repair... how many gaskets?
  126. Front hydraulic motor mount
  127. I can't get the CV joint to separate from the Trans
  128. 1993 Caddillac Eldorado - Timing Chain Issue
  129. Stud Kit Success!!
  130. Ways to increase performance?
  131. Radiator leaks and engine runs rough, no codes
  132. Ethanol Blends
  133. 98 Eldorado Starting Problems
  134. Problems removing head dowels
  135. Another visit to the track
  136. 95 vs 99 Northstar
  137. Tuning up the engine.
  138. Head Gasket Repair At Your Location!
  139. Head Gasket Paranoia
  140. catalyst converter replaced
  141. 93 STS Lots of smoke after fillup
  142. Exact oil filter wrench for 1996 Seville SLS
  143. new northstar
  144. Super Noob needs help overheating
  145. Nitrous Help: 01 DTS
  146. Head gasket removal, best practices
  147. 01 deville o2's locations?
  148. Head stud kit
  149. Documenting a swap: N* 4.6 / 97 STS
  150. 2005 DTS Twin Turbo project??
  151. No pcm data
  152. No pcm data?
  153. WIll a 98 vin 9 motor go into a 94 STS
  154. another newbie HG question
  155. NEW - 2002 Head Gasket Failure - Best Fix...
  156. Failed Smog Emissions Northstar
  157. What could it be?
  158. Exchange fluids how often?
  159. Tuning thread. Disappointed, but I understand.
  160. looking to buy a Caddy
  161. AC Delco platinum plug gap settings for N*
  162. how do i get my car to northstar preformance, uh cheaply?
  163. Engine 'misses' at stoplights
  164. where to get my head gasket repaired?
  165. Engine Shaking
  166. 4.6 Prevention and maintenance for longer life IE head gaskets.
  167. How to properly switch from red to green in a 2000 STS
  168. Water Pump Issue
  169. Lucas Oil Stabilizer
  170. Rough idle and low speed chug
  171. barS headgasket repair, has anyone tried it?
  172. Secondary Air Injection Check Valve... Bent?
  173. 2000 STS motor mount help?
  174. Oil pressure dummy light flickers...
  175. Head Bolts...
  176. Slight stumble, no codes
  177. 97 Deville wont start in the morning
  178. Stud Kit Help
  179. A kitten caused my Serpentine Belt to come off
  180. Check Coolant Level
  181. Cleaning Heads and Block
  182. Over Heating... HELP!!!
  183. 2001 deville rough idle
  184. engine grounds
  185. manifold blowoff
  186. sealant for blown heads?
  187. 1994 STS Overheating (I think)...
  188. Block Identification Numbers
  189. Snapping noise when coming to a stop..Answered Finally!!!
  190. Overheating Eldorado Help
  191. need some help
  192. 05' STS. Little help with P0102 please
  193. 2000 DTS P0300 code
  194. Head gasket repair
  195. P041 1994 deville concours
  196. Quick Oil Question
  197. rough idle, no codes, rough start
  198. coolant leak
  199. STS Radiator Hose Replacement
  200. 95 Eldorado ETC - Cooling system
  201. power steering line: o-ring?
  202. broken bolt in oil pan
  203. Water pump & crossover gasket - $$$$
  204. Help Me Please
  205. Rad Cap PSI was wrong
  206. Coolant Leak. Where's it coming from?
  207. Water pump Purge line?
  208. 5w30 or 0w30
  209. Destroying a N* Engine
  210. N* engine removal - newbee
  211. 02 DHS overheating
  212. TCC Stuck Off
  213. No clue what to do. Northstar blues
  214. problem with map sensors
  215. 2001 caddy sts seville tranny
  216. What is going on with the car?
  217. Spark Plug Wires
  218. "Hush" or "Gasp" Before Expected Throttle Response
  219. my 93 ETC Eldorado N* has a question for you guys
  220. Which spark plugs to buy?
  221. Thoughts on Dex-Cool and Head Gaskets
  222. 2001 cadillac deville small hesitations
  223. Normal Operating Temperature?
  224. Intermittent starting issue 97Seville SLS
  225. Trouble finding exhaust leak 99 Deville Y motor
  226. Is 235 too hot for a N*star on hilly roads?
  227. Spark Plugs ACDELCO or somthign els ?
  228. Good mechanics to fix head gasket in Oceanside, California area
  229. rough idle, only when in gear and brake on
  230. The first head gasket failure - 1 out of around 90 or so
  231. Tranny problems?
  232. how to install serpentine belt on 98 concours
  233. engine swap
  234. Why high fuel pressure?
  235. 1997 Northstar low speed hesitation and noise
  236. 2001 DeVille DHS / North Star motor losing power
  237. Air-Dam / Belly Splash Guard importance on cooling your N*
  238. Make Your Own Damn Motor Mount
  239. cooling fans inop p01660
  240. Hard shifting 1-2 Help!
  241. Fabricated Torque Strut for the 2000+ Northstar
  242. Horrible Engine Bucking 93 N* Allante
  243. 1998 Seville STS Performance Engine Build - STAGE I
  244. My pulley melted
  245. 01 Deville issues, no codes, no check engine light
  246. '96 Deville Coolant Change
  247. Overheating
  248. White smoke after changing starter (by removing intake manifold)
  249. No current codes but...
  250. N* Powered Camaro