: Northstar Engines and System Technical Discussion



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