: Northstar Engines and System Technical Discussion



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