: Northstar Engines and System Technical Discussion



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  1. Most effective ways to clean head and deck surfaces for head gasket change?
  2. Losing Coolant
  3. acceptable coolant usage?
  4. Northstar performance stud kit-how long does it take to get?
  5. Should I use this engine or not?
  6. Question: Is it possible to drill and tap a hole for the torque strut on a 96 north*?
  7. Concerns in the middle of headgasket repair!
  8. "Service Airbag System" Message
  9. Block Or New Engine
  10. will a 94 water pump cover fit on a 95?
  11. CRACKED block .2000 DTS rarity now reality
  12. oxygen sensor removal
  13. 2001 STS P0307. Stalls and hesitates under light acceleration
  14. fuel rail ground
  15. Hmmm. . .Interesting read. Running Compression Test
  16. To Hone or not to Hone
  17. Deville Warped Block can this be fixed?????
  18. Why would smoke be filling the valve covers?
  19. Doing the studs and head gaskets , would like suggestions for locking cams & crank
  20. 98 cadillac eldorado 4.6 engine questions
  21. A few northstar ??
  22. Cant remove EGR
  23. HELP it wont start!
  24. changes made in 2004
  25. 95 PCM question
  26. Power inconsistancy, acceleration, normal? More than one car..
  27. New bearings, new rings, 1000 miles and still burning oil
  28. '97 etc flooded after hot soak
  29. 2000 ETC, vin 9, will seville/deville vin 9 motors fit?
  30. Ac charging problems
  31. 1999 sts
  32. Strange PC 0741 code situation - '97 STS
  33. 8000+ rpm
  34. Steel Seal
  35. baby northstar question
  36. month and day of midyear headbolt change in 2003
  37. Bank 1/2004 Deville DTS
  38. Fuel Injector problem
  39. 2000-01 cam problem
  40. Battery drain
  41. 1998 DeVille Overheating
  42. Temperature Gauge Dampening
  43. 2000 Deville Overheated losing coolant.
  44. Temp gauge dampened? Here's the answer:
  45. 222 degrees B4 fans?
  46. question about new rebuild on 99 sts
  47. 1999 Concours
  48. Running tad bit cool - thermostat or ect sensor?
  49. What else is possibly left???
  50. Yahoo!! My car runs!! :-)
  51. 2001 Deville Stalls/rough idle
  52. Can you replace the HG with the engine in the car?
  53. just lost my oil pressure
  54. EGR valve
  55. stop engine, low oil pressure warning. oil full
  56. Perplexed. Can't figure out what this 1 connector goes to
  57. Blown Northstar V8
  58. Blower motor removal
  59. Recommended Serpentine Belt?
  60. Anyone know how to check an ac compressor
  61. Where to route the starter cable?
  62. Acronyms
  63. Runing Hotter than Usual
  64. Installing engine top dead center
  65. is there any place around philly that repairs northstar head gaskets?
  66. Down Pipe Should be Ported
  67. In a bind and need some info
  68. Notice to all Northstar Technicans; including the DIY crowd-
  69. Question for anyone who has used one of Jake's stud kits....
  70. Alas.....another head gasket has given up the ghost...
  71. How hard is it to convert a 3.11 transaxel to 3.73?
  72. 2001 Deville 224,000 mi.
  73. screwed up big time - need a coolant crossover
  74. Would you invest; if Northstar Performance offered investment plans?
  75. Pics of coolant test of exhaust gas/head gasket leaking?
  76. jakes studs
  77. thermostat housing drips
  78. 2000 Eldorado ETC 4.6L Head Gasket Questions
  79. Collaboration of ideas about Superchargers on FWD Northstar
  80. New engine rebuilt breakin procedure
  81. 95 Eldorado with Jake's studs
  82. Northstar tranny pan bolt.
  83. Head Gasket Gurus, In here!
  84. head bolt torque info?????
  85. Drivability Problems 94 Eldorado
  86. Cadillac Specialties, Good work???
  87. HG repair in DC, MD or VA???
  88. bolt pattern differences between L37 and LD8?
  89. informative.......
  90. Dry Film Lubricants.
  91. Temp gauge position, what is the basis for this?
  92. Mustang 4.6L Injectors on Northstars?
  93. oil pump spacer driver
  94. 2000 and up N* engines?
  95. 94 Eldorado 4T80E No Forward Gears After Shift Solenoid Change
  96. anyone MARRYYLANNDD??????
  97. Better Mileage out of LD8 Northstar
  98. Service Emissions system message
  99. 2002 Deville Multiple codes, rough idle, surging at high RPM
  100. Interesting oil info
  101. Fuel Filter location 95 deville concours 4.6
  102. 95 Deville Concours 4.6 bucking while in gear and AC compressor on
  103. threading for norms inserts
  104. 95 deville 4.6 northstar ISC clicking
  105. Setting timing on 1999 STS after HG repair
  106. 96 Deville Problems
  107. Whats the deal with my o2 sensors
  108. 2000STS oil pan problems
  109. oil smells like gas low oil pressure
  110. Idles strangely when turning heat/ blower switch "on"
  111. OBDii USB scanner
  112. Last post, race car blew up
  113. Long Hard Starts
  114. 2000 Deville DTS upgrades
  115. What the heck is it?
  116. Purge line???
  117. Ideal IAT Sensor Conditions
  118. overheating issue
  119. Engines To Ship to USA via UPS - FINALLY ALL SET UP!
  120. After 17 years, GM is bidding farewell to the once groundbreaking NORTHSTAR
  121. Supercharger like whistle?
  122. 98 deville BlownHead Gasket???
  123. Cooling question I know Another one
  124. chocolate
  125. Damm leaking half seal, what about lucas?
  126. 2000 Cadillac Deville Speedo Problems!
  127. water pump pulley
  128. 01 deville just bought a lemon?
  129. 1999 STS V8 Northstar Engine Misfire / Smoke
  130. 99 Deville starting idle issue
  131. P1376, P0340, I'm desperate...
  132. A rep from General Motors is coming to my shop tomorrow!
  133. Reluctor wheel clocking?
  134. Combo electrical/fuel problem in race car
  135. head dowels
  136. peanut butter in coolant resevoir
  137. 96 STS P0171 & P0174 Code
  138. Battery or alternator
  139. I think my HGs are gone
  140. Please help need to finish tomorrow i am begging
  141. Have to swap engine and tranny in 2000 DHS
  142. I need two exhaust cams and 8 buckets for a 99
  143. 01 DTS running lean codes 0171, 0174 what to look for?
  144. 2000 deville dts rip
  145. 2002 STS RPM Limited... Airflow Sensor Issue or other?
  146. Is power steering and transmission fluid the same in a 94 seville
  147. Customer Paranoia with temp guage - need input from other members-
  148. oil in head bolt hole
  149. Exhaust leaks at Y-pipe to exhaust manifold and front ex. manifold to crossover pipe
  150. 5k rpm limit in 1st gear?
  151. Do I need a new crankshaft? :( pic inside
  152. Painting valve covers
  153. Another CRACKED 2000 block
  154. curious why,PCV vents different?
  155. Emissions Test: It's ok to burn oil eh?
  156. New owner of 99 Deville, avg. temp question
  157. Ac delco pf61e oil filter
  158. Bearings
  159. 94 and 95 intake different?
  160. Had Coolant Flush/Fill done at shop, - now a question
  161. 1994 seville STALLING.
  162. Drilling out the block
  163. Why won't tranny separate
  164. Cylinder head torque?
  165. Victor Reinz Headgasket kits
  166. slight engine miss
  167. Gapless Piston Rings
  168. Please Help!!! I am baffeled
  169. Anyone need a 00+ motor?
  170. Got gaskets?
  171. Head bolt reuse? thread sealer
  172. What - 99 STS No EGR passage ways?
  173. Northstar 8-6-4 Technology, Did it Ever Exist?
  174. 99 STS Cylinder head different than 97 STS Cylinder head (alternator bolt holes)
  175. Having trouble locating o2 sensors
  176. Oil Pressure Light + Warning
  177. Broken bell housing
  178. Burping coolant system????
  179. How much coolant
  180. Check oil level but oil level is good?
  181. NEED HELP TODAY, Can't get tranny out
  182. Mysterious tube coming out of transmission, currently plugged.
  183. 99 ELDO ETC...PLZ HELP ME before I push this car into the river!!!
  184. Wanted!! NORTHSTAR specialist in /near Lancaster, Pa
  185. Guidance on Oil Dye and where the leak is
  186. Engine removal - can't get engine separated from transmission
  187. Northstar Swaps - What years are interchangeable and the differences
  188. Cracked Block? Thought it was rare
  189. 96 deville cant find ect sensor
  190. Someone else loves your ignition coils.......
  191. Ticking noises
  192. Northstar interchange
  193. Starter Replacement - It's not as bad as everyone thinks!
  194. More engines......NEED HELP DECODING
  195. ABS/Traction control light on (02 deville)
  196. 98 Seville STS running rough
  197. 00 N* VIN Y cyl 2 and 7 misfire or spark problems
  198. Renting engine mount?
  199. Here is an interesting problem!
  200. 2002 engine into 1998 model? Or swap body parts instead?
  201. Northstar headgasket job did I f up?
  202. High Idle and Thumping Breaks after Fuel Pump Replacement
  203. Need to confirm rear seal, please look
  204. Headgasket help timing tensioner
  205. 2002 Eldorado Plenum Change
  206. No gauges
  207. STS engine into SLS
  208. Turbo northstar in a truck!?
  209. 2nd Design "Cartridge" Rear Main Seal
  210. My 2000 Deville has the p0300 code, and possible p0420 code. Need help
  211. lifters (how do you no if it bad)
  212. Part Number For Idler Pulley Spacer
  213. Here is my dilemma
  214. IAC Question
  215. Guys need help with oil leak for racing caddy
  216. Turbo kit
  217. Oil Life Monitor Could someone Explain something please
  218. Spark Plugs
  219. Idler Pully Replacement
  220. 93 fuel pressure regulator
  221. Northstar Ring Cleaning Procedure and proper oil level TSB
  222. 2002 Eldorado rough idle
  223. no oil press after head gasket replacment
  224. 99 STS engine reinstallation question/problems
  225. Engine Kill Switch (where to put it)
  226. Coolant problem after HG job
  227. Northstar intake manifold swap question - 2000 redesign ?
  228. 1999 Deville wont start after engine swap?
  229. New Shop being set up in Western Canada & North Dakota
  230. how I fixed my p0410, p0420, p01860, and p0741 codes and made my DHS a convertible
  231. code 1406-EGR
  232. Head Gasket symptoms after Head Gasket repair
  233. 99 water crossover ?
  234. Clevite brand bearings
  235. Low Oil Pressure after Head Gasket Repair
  236. 99 Deville Runs Like S#!t
  237. head gasket manufacture
  238. Anybody have experience with rebuilt tranny from Rock Auto (Marshall)
  239. 98 model- HG or maybe WP?
  240. Codes, 0401, 0420, 0300, 0440
  241. chain tension between cams
  242. How to remove fuel rail 2002 model
  243. Damn this monster pump
  244. Engine Stall after hard driving
  245. WTF??? Have to pull the engine for oil pan gasket leak?
  246. Need to find a reputable transmission rebuilder
  247. Is my fuel pump bad??
  248. replaced starter, now the engine runs like crap
  249. Sometimes No Heat
  250. Anyone know what size allthread for cradle drop?