: Northstar Engines and System Technical Discussion



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  1. Did your Northstar's Y pipe come obstructed from the factory? Mine did (with pics)
  2. northstar governer/limiter
  3. speed limiting question
  4. Water pump to head gaskets?
  5. Sensors going? -15c out.. i dont wana look...
  6. headgasket
  7. studs aren't straight
  8. 1997 sts
  9. 98 deville blue smoke and burning smell at high rpms.
  10. Head Alignment Dowel ???
  11. Is it a head gasket?
  12. Oil pressure at cranking speed on a rebuilt engine
  13. 98 deville best oil for low oil oil consumption?
  14. Huge savings on Head Gasket Jobs - only $1320 USD
  15. TPS relearn
  16. Water pump tensioner pulley replaced
  17. Do you have to remove the alternator?
  18. Frustrated
  19. Engine Swap 2000 STS into a 1998 STS
  20. Loud ticking at idle.
  21. High Idle Causes
  22. V8 camshaft tool set help?
  23. readings with snapon scanner
  24. 99 sts won't start please help a newbie
  25. Coolant tube question
  26. 2002 Eldorado Drive Belt Plus Maintenance
  27. 1994 STS - ECM replaced, road speed surge
  28. cracked block issue, common??
  29. 1994 Eldorado Thermostat
  30. 93 Northstar Block
  31. Coil Pack Test
  32. Head Gasket - Ran in 2nd Gear & Temp Went Down?
  33. 99 sts running rich
  34. fuel line clips on the tranny
  35. Alternator question 94 seville
  36. ? about rear main seal and flywheel bolts
  37. Jake stud kit installation
  38. Steering shaft to rack coupler help?
  39. Pre-2000 Ignition Control Module (ICM) - How It Works
  40. head gasket repair in Iowa or surrounding states
  41. Coil Pack - P0300 Culprit
  42. No Fire from 1 coil pack! ?'s about ignition!
  43. Never installed coolant supplement pellets, bad?
  44. Upgrade
  45. Deal or no deal?
  46. Waterpump removal doh
  47. Ugg todays northstar problem, please help
  48. want to buy a 95 eldorado with northstar
  49. 100k question
  50. N* easiest cadillac engine to work on
  51. 1996 Deville N*
  52. Advice on engine teardown TOMORROW
  53. Can you blow the head gasket driving without pressurized coolant?
  54. 2000 DHS engine swap
  55. Valve keepers fell off! But valve still in there!
  56. Why do so many people do it the hard way.
  57. timing chain with engine in car
  58. P0306 and P0300 codes CKP changed
  59. Car temperture went up after putting stop leak in
  60. ok ok... so engine out the top... what???
  61. power steering lock up
  62. 4t80 extension housing, what part
  63. BackFire Valve
  64. Grumble, engine dropping questions
  65. URGENT WORKING RIGHT NOW Fuel Line Removal
  66. Seeping Oil Pan Gasket
  67. Quick help need on 4L80
  68. couple of quick questions on my deville
  69. Bubbles on trans fluid dipstick bad?
  70. RACE FANS Free beer 1/16-1/17 if you live around Richmond (sorta)
  71. 4.6 Northstar
  72. Going in again! HG's first, now torque converter
  73. engine vacuum line?
  74. 160* Thermostat?
  75. Jake clear out your mailbox
  76. help! erratic idle, no codes :-x
  77. Oil looks like crap, advice please
  78. Zero compression in Cylinder 2
  79. I smell coolant
  80. Northstar head gasket issues
  81. swap entire cradle from another car??
  82. "check emissions system"
  83. What size is my motor?
  84. Coolant manifold/Crossover gasket sources?
  85. P0621 Code Batt not Charging/Svc Chrg Sys
  86. Looking to do a HG job for the holidays?
  87. need tranny parts advise
  88. Anyone in Ontario with a good scanner/reader?
  89. State by state guide to Northstar head gasket repair shops
  90. Engine Installer or Head Gasket Repair in NY, CT, NJ, MA?
  91. 4T80 experts
  92. Your Opinion
  93. Fixable or not?
  94. Why NOT to use time serts -
  95. Rear main seal & case half seal - '98 Deville
  96. EVAP switch, purge solenoid, i butchered it
  97. Northstar Performance warranty-good
  98. Misfire 1998 STS
  99. Randomly Running Extremely Rich
  100. Is there a tuner for a 2001 Deville?
  101. I need help!!!
  102. pull tranny, fix half case leak
  103. Slow start and stalling
  104. Who wants/needs a brand new Supercharged Northstar / RWD Trans?
  105. Northstar powered trike
  106. torque angle meter?
  107. pulley decides to whine
  108. Misfire on cylinder 6
  109. TCC Stuck Off (Code P0741) Still on after Solenoid Changeout
  110. Still making engine noise
  111. CHRFAB cams installed - 98 STS - the results are in
  112. Race Caddy losing coolant and making noise
  113. northstar in a camaro!
  114. timming in a 95 sts
  115. To hone? or not to hone
  116. Pulleys... A good source?
  117. timing car with engine in car
  118. 98 N* engine, blue valve cover washers?
  119. motor swap
  120. Today's Racing Question: Studs or Norm's?
  121. Please help guy
  122. Northstar engine swap 2000 put in a 96 Northstar
  123. Power steering leak
  124. 97 sls shifting problem
  125. Deleting govnor on a 2000 eldorado????
  126. Service Engine Soon Codes 1022 & 1122
  127. Coolant Change Help
  128. Head Gasket Repair, now noticed block is cracked
  129. Priming the oil pump
  130. Confused as hell
  131. ATF Question...
  132. cooling fans come on at what temp?
  133. add torque struts(dog bones) to 99 seville
  134. Turbo Charged 99 STS
  135. What tools do you need for a hg/engine pull job
  136. headgasket need used insert kit
  137. Recent Stud Kit Customers - READ THIS PLEASE
  138. HELP My mechanic says I have carboned lifters
  139. What color are stock gaskets?
  140. Dumb head gasket question
  141. Resetting Timing after Head Gasket job.
  142. Cadillac Engineers please help us!
  143. how do i change my idle
  144. head gasket help!!!!!!
  145. Transmission cooling
  146. Idle at 3000 RPM HELP!!!
  147. added power?
  148. northstar crank sensors
  149. 2000 DTS plugs and hoses - tough job, I think
  150. FPR acting up
  151. 98+ STS brake upgrade?
  152. Spark plugs
  153. Email conversation with HEAL-A-SEAL
  154. O2 Sensors
  155. 01 SLS w/ Cracked Block - Need Cincy Area Mechanic
  156. 06 DTS crank seal leaking
  157. 4t80e side cover drain
  158. '98 STS stumbles and misses (NO CEL)
  159. MAP sensor keeps going bad - 94 N*
  160. 2004 dhs starting problem
  161. Attention All Northstar Technicians- New Northstar Drilling / Tapping Machine
  162. headgasket being repaired
  163. High mileage oils
  164. P0420 code
  165. Wot?
  166. You'll never guess what I broke today
  167. 95 STS fluctuating rpm and slight bogging while driving
  168. 1993 Cadillac sts 4.6 idle fluctuating
  169. SLS engine and trannie in a STS?
  170. Air conditioning compressor clutch bearing
  171. Manifold Blowoff Leaking - parking break stuck
  172. 110,000 miles, what else should be done along with head gaskets?
  173. "Tic Tic Tic" sound on 02 SLS
  174. Flashing SES/P0300
  175. Working on mama's Caddy. Need help with O2 Sensor
  176. Head Gasket?
  177. Investors needed. Big time.
  178. thermostat housing gasket? 99 sts
  179. New England area Northstar mechanics? (Head Gaskets)
  180. 6 oil leaks; gaskets replaced now intake plenum boot replaced..
  181. That's a lot of smoke! (exhaust)
  182. Mobile 1 Clean High Mileage
  183. Chocolate Milk in the oilpan
  184. Heater Core Inlet Connector O-Ring Leak
  185. Breakthrough for anyone with bad exhaust cams
  186. 96 Aurora 4.0
  187. Idle Too Low P0506 New Throttle Body?
  188. Northstar mechanic on Long Island?
  189. 4t80E shift solenoid part #
  190. B0149
  191. Code P119
  192. HeadGasket Repaired - cost $1500 - but more problems?...
  193. 95 Eldo headgaskets?
  194. Only overheats when the AC or the heat is on....
  195. 06+ STS Northstar ECM repin to 07-08, new carrer and trans install
  196. Aftermarket Temp. Gauge
  197. Coolant Supply Line
  198. Idles rough after being started in the morning
  199. Best way to clean the engine bay?
  200. 2001 Cadillac DTS Can't get up to speed, power loss, studdering, See Video
  201. Tricky Coolant Leak
  202. Coming back home
  203. 2000 DHS exhaust smoking and running poor
  204. 4 Engine Questions
  205. Is this guy being honest with me? video of a SEIZED ENGINE!!!
  206. Any thoughts on this...
  207. tap for time serts
  208. Just bought a 98 Deville, was overheating, am I paranoid?
  209. 208 at 40+ 212 at <40
  210. low oil pressure
  211. Batman's Northstar
  212. Another Wont crank issue
  213. Woohoo...Head gasket repair is done
  214. 1998 Deville acceleration slip
  215. Steering joint bolt
  216. My bone stock '98 STS pulled a 14.95 in the 1/4
  217. Weird Noise
  218. Heartland High Mileage Oil Changer Review
  219. 95 sls n* solenoid clicking
  220. Interesting find
  221. Valve cover bolts???
  222. Timing mark clarification
  223. Engine in the car repair... how many gaskets?
  224. Front hydraulic motor mount
  225. I can't get the CV joint to separate from the Trans
  226. 1993 Caddillac Eldorado - Timing Chain Issue
  227. Stud Kit Success!!
  228. Ways to increase performance?
  229. Radiator leaks and engine runs rough, no codes
  230. Ethanol Blends
  231. 98 Eldorado Starting Problems
  232. Problems removing head dowels
  233. Another visit to the track
  234. 95 vs 99 Northstar
  235. Tuning up the engine.
  236. Head Gasket Repair At Your Location!
  237. Head Gasket Paranoia
  238. catalyst converter replaced
  239. 93 STS Lots of smoke after fillup
  240. Exact oil filter wrench for 1996 Seville SLS
  241. new northstar
  242. Super Noob needs help overheating
  243. Nitrous Help: 01 DTS
  244. Head gasket removal, best practices
  245. 01 deville o2's locations?
  246. Head stud kit
  247. Documenting a swap: N* 4.6 / 97 STS
  248. 2005 DTS Twin Turbo project??
  249. No pcm data
  250. No pcm data?