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View Full Version : Northstar Engines and System Technical Discussion



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  1. 2001 Deville 224,000 mi.
  2. How hard is it to convert a 3.11 transaxel to 3.73?
  3. Alas.....another head gasket has given up the ghost...
  4. Question for anyone who has used one of Jake's stud kits....
  5. Notice to all Northstar Technicans; including the DIY crowd-
  6. In a bind and need some info
  7. Down Pipe Should be Ported
  8. is there any place around philly that repairs northstar head gaskets?
  9. Installing engine top dead center
  10. Runing Hotter than Usual
  11. Acronyms
  12. Where to route the starter cable?
  13. Anyone know how to check an ac compressor
  14. Recommended Serpentine Belt?
  15. Blower motor removal
  16. Blown Northstar V8
  17. Perplexed. Can't figure out what this 1 connector goes to
  18. stop engine, low oil pressure warning. oil full
  19. EGR valve
  20. just lost my oil pressure
  21. Can you replace the HG with the engine in the car?
  22. 2001 Deville Stalls/rough idle
  23. Yahoo!! My car runs!! :-)
  24. What else is possibly left???
  25. Running tad bit cool - thermostat or ect sensor?
  26. 1999 Concours
  27. question about new rebuild on 99 sts
  28. 222 degrees B4 fans?
  29. Temp gauge dampened? Here's the answer:
  30. 2000 Deville Overheated losing coolant.
  31. Temperature Gauge Dampening
  32. 1998 DeVille Overheating
  33. Battery drain
  34. 2000-01 cam problem
  35. Fuel Injector problem
  36. Bank 1/2004 Deville DTS
  37. month and day of midyear headbolt change in 2003
  38. baby northstar question
  39. Steel Seal
  40. 8000+ rpm
  41. Strange PC 0741 code situation - '97 STS
  42. 1999 sts
  43. Ac charging problems
  44. 2000 ETC, vin 9, will seville/deville vin 9 motors fit?
  45. '97 etc flooded after hot soak
  46. New bearings, new rings, 1000 miles and still burning oil
  47. Power inconsistancy, acceleration, normal? More than one car..
  48. 95 PCM question
  49. changes made in 2004
  50. HELP it wont start!
  51. Cant remove EGR
  52. A few northstar ??
  53. 98 cadillac eldorado 4.6 engine questions
  54. Doing the studs and head gaskets , would like suggestions for locking cams & crank
  55. Why would smoke be filling the valve covers?
  56. Deville Warped Block can this be fixed?????
  57. To Hone or not to Hone
  58. Hmmm. . .Interesting read. Running Compression Test
  59. fuel rail ground
  60. 2001 STS P0307. Stalls and hesitates under light acceleration
  61. oxygen sensor removal
  62. CRACKED block .2000 DTS rarity now reality
  63. will a 94 water pump cover fit on a 95?
  64. Block Or New Engine
  65. "Service Airbag System" Message
  66. Concerns in the middle of headgasket repair!
  67. Question: Is it possible to drill and tap a hole for the torque strut on a 96 north*?
  68. Should I use this engine or not?
  69. Northstar performance stud kit-how long does it take to get?
  70. acceptable coolant usage?
  71. Losing Coolant
  72. Most effective ways to clean head and deck surfaces for head gasket change?
  73. P23 code and intermittent engine skip
  74. little green hoses on crossover????
  75. Head issues. Dealer says i need new engine!! HELP!!
  76. Zonie77
  77. p0300 ses flashing
  78. Drilling holes in engine for Jakes Kit. . .best tool?
  79. Oil Pan gasket help?
  80. How many have really failed
  81. If you are in New England, and you have blown head gaskets, read this.....
  82. Cracked Block
  83. Engine/Tranny mounts
  84. 3.5 from a 2002 Aurora
  85. Some bugs that appear to be electrical in nature...
  86. Total cost of Head Gasket Repair
  87. Rough dimensions and weight of a complete Northstar?
  88. New member-somewhat common question
  89. Drill for studs with engine in the car
  90. '97 Eldorado Starter issues.. Need help.
  91. HG shop in NE Ohio that uses Jakes Studs just found it heres the info for anyone
  92. More Power
  93. 2000 Eldorado - White Smoke from front passenger side
  94. It's official. Northstar Perfomance is moving.
  95. ok still have stumble, error codes, between 900-1500 rpm
  96. i would like to know how should a healthy northstar sound?
  97. 1999 etc
  98. Strange sound and stalling of 99 sts
  99. Transmission transplant! Is it possible?!?
  100. Will this car blow another head gasket?
  101. For anyone on the fence as far as fixing their Northstar engine, read this.....
  102. Incredible discounts- head gasket work, engines, you name it -
  103. R&R of heater pipes
  104. Good Mechanic in Dallas, TX for HG job?
  105. interesting stuff..........
  106. Northstar well designed? Are you on crack???
  107. Dex or Age? Your Thoughts?
  108. Ok i did it
  109. I have officially left the N* fold...
  110. piston slap now!? come onnnn!?!?!?
  111. Aurora northstar based 4.0... computer issues... help!
  112. Upgrades to the Stud Kits -
  113. Oil Question
  114. Ball bearings, pulleys, and grease
  115. '99 DeVille, probably blown head gasket
  116. coolant leaks out end of new hose while clamped on pump and radiator.......?
  117. intake leak at rear of manifold
  118. Hot hot hot then not???
  119. Suggestions: Alternator Repair on water cooled 99 Cadillac Seville Alternator
  120. Still No Luck
  121. Head Bolt/Stud Placement
  122. 2002 ETC inquiry
  123. Burn oil when turning, on-ramps wow...
  124. GM Livonia Powetrain Engine Plant - Auction !
  125. This guy is doing major stuff
  126. In Detroit - Need headgasket repair recommendations
  127. Is there a feasible motor swap to do to a 97 Eldorado?
  128. 94 SLS cradle bolts
  129. IP1556 code, no clue.
  130. Installed Jake's studs engine with 65k, should I replace front crank seal, looks ok
  131. maybe not HG?????
  132. another head gasket story... need a little help.
  133. Timing chain on rear bank has may have too much play...
  134. Think the HG may have went in my Aurora...
  135. Helpful hunts for dealing with timing when you have to pull the heads
  136. Seeking opinions on adding an external tranny cooler in addition to the radiator
  137. Installing yard tranny from 2000 SLS into 00 DHS, 90k, Should I replace the ISS?
  138. Dropping cradle starting today, couple of questions...
  139. 97 Deville, Oil puddle on top of intake manifold, HELP!!!
  140. Studkit purchase inquiry
  141. water pump cartridge won't come out!!!!!
  142. engine stumble at red light after highway run
  143. Harmonic balancer torque
  144. Oil War !
  145. 1999 northstar
  146. What would i damage that isnt already messed up if i
  147. Getting ready to fire up the twin turbo Northstar. What size Injectors?
  148. 94 Eldo motor shaking
  149. '95 Eldo: how much life left
  150. Re-fill or replace dexcool?
  151. 2000 deville base seized engine
  152. Northstar headgasket -- want to get 'er fixed, looking for words of wisdom
  153. 1998 Cadillac STS starter clicks but won't start....HELP Please
  154. Looking for a time-sert kit or other options!!!!
  155. cracked lifters
  156. Engine Removal guide
  157. 106 octane in L37
  158. northstar water pump housing compatibility
  159. To Vincent M and BetterNorthstar -
  160. The joys of moving a business - updates on Northstar Performance -
  161. Yahoo!!. Finally!!
  162. Flywheel holding tool
  163. At last a proven 100% fix for Northstar - Head Gasket Failure
  164. cold rattle
  165. Big-Sert Head Repair - Can it be Done Without Removing the Engine?
  166. Please help with 94 eldo trans trouble
  167. How to identify VIN 9 vs VIN Y transmissions and engines
  168. Conventional oil first 2 oil changes better then full synthetic after new engine is ?
  169. Oil pump and main seal for built Northstar
  170. Ignition quirks with built Northstar
  171. Proven NorthStar head gasket repair in Toronto
  172. Catalyst not ready
  173. Major oil leak in '98 Seville STS Northstar engine
  174. Need help identifying a part on the trans...
  175. Head gasket repair, a intense project for a landscaper with little tech knowledge
  176. 1998 Seville stalling at stop light issues
  177. What Crankshaft Position Sensors should be used...brand and color...some were problem
  178. To: Pete1996
  179. JoeTahoe you Need to Make Some Space in Your in Box
  180. 01 ESC project
  181. Work has Been Started ThisMorning on my Baby
  182. 3 out of 3: Intake Plenum
  183. Best way to mate the engine to the transmission, flowers and wine?
  184. Can a torn plenum cause P0106?
  185. Suggestions for keeping 05 4.6L in mint condition?
  186. couple questions on 2 loose ends...
  187. RIP my 98. Engine goes boom at < 25,000 miles.
  188. 2000 and Newer Head Gaskets?
  189. carbonized pistons what does it mean ?
  190. Jake, please get in contact with me
  191. Anyone know what the washer and speednut on the rear transaxle mount is for?
  192. Anyone have Picture of there Stud Job ?
  193. No cost HG replacement job, hopefully for a worthy cause this Christmas -
  194. leaking Water Pump 2000 dts cadillac
  195. When I put my half axles back in the trans one is out further than the other
  196. Verge of business closure and loss of the stud repair system
  197. Anyone know where the ground wires are for the ignition modules on 00+ Northstars?
  198. Got the Seville Back today Engine totaly rebuit with studs perfect
  199. 2000 no roller cams i thout they where 2000 and up
  200. 1997 eldorado with northstar
  201. Bucks, sometimes stalls only under load
  202. anyone here done the ring cleaning procedure?
  203. Torque converter.
  204. Modified Olds Aurora. Merry Christmas everyone!
  205. Wonders if I could run drano thru my heater core to unclog? Lol
  206. hard cold starting
  207. 96 Deville high idle.
  208. Why me? Two Northstars with failed head bolts/gaskets
  209. What would it take to mount this on an Eldorado?
  210. Doing HG 1997 STS: questions!
  211. Well, yard engine and tranny installed and took it on a test drive for a hundred mile
  212. Best Economical Way to Get A Car to Jake in Canada
  213. need an northstar engine block ,northstar performance?
  214. Delco has new oil filter design
  215. Does anyone know how the steering wheel position sensor works?
  216. Olds Aurora Hesitating
  217. Sea foaming l37
  218. About to pull engine for head gaskets, mods and other repairs while engine is out
  219. 2001 Northstar - Head Gaskets blown or not?? I'm stumped!!
  220. codes
  221. Northstar Engine Swap
  222. looking for mechanic who does Time sert
  223. Dead starter?
  224. 99 STS Project
  225. Northstar Making a Loud Noise - Need Help!
  226. The dreaded weekly P0741 engine code & a fix
  227. Bad MPG is freezing weather
  228. '99 STS with 16k miles, go for it or no?
  229. 4.6 northstar injector information
  230. 500+ Northstar Headgasket repairs completed
  231. 94 Northstar Ecm options
  232. 2000 seville SLS engine removal
  233. '98 DeVille Northstar dies while coasting.
  234. Denso Products
  235. 99 STS running cold (yes cold!!)
  236. Swapping PCM
  237. when i get the heater core replaced to i stay Dex or go green
  238. Jake i hope you are still here and have not left Thank you Jake for all you do
  239. Note from grampa
  240. cold carbon rap
  241. For those of you who've successfully rebuilt a northstar engine. . .
  242. Catalytic Converter operating temp specs
  243. Removing front valve covers from 99 STS engine in car.
  244. why is over filling bad ?
  245. Frequency of HG Failure by Age & Miles
  246. Northstar Blown Head gasket problem
  247. 2000 Deville Misfire
  248. Note to all stud kit customers, effective immediately pricing and policy changes.
  249. 98 seville sts white smoke
  250. Coolant System Questions 1996 Cadillac Deville