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View Full Version : Northstar Performance and Technical Discussion

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  1. 93 sts running rough only when hot
  2. What does "B2118 - Front Vertical Sensor Failed" mean?
  3. Anti-Sieze and Spark Plugs
  4. Intake Manifold questions - chime in!
  5. thermostat for north star
  6. Preparing for coolant change / Double Checking.
  7. 95 Intake Manifold Interchange?
  8. p0741 trouble code
  9. 1996 4.6 L. Rebuild, what should be replaced.
  10. Replacement parts after reman engine
  11. hardest water pump to install
  12. Sticky-Noisy Valve Lifters, What to Do?
  13. ISC Adjustment Procedure for OBD1 How To
  14. Need Part Number 94 N* INTAKE MANIFOLD
  15. My mechanic wants to put in a new radiator, should I let him?
  16. 94 caddy coolant leak
  17. Crossover measurement
  18. northstar in a fiero
  19. Oil Additive Question
  20. Overheating and low oil pressure
  21. How about no muffler??
  22. Engine rough running misses no power 95 Eldorado 4.6
  23. Borla vs Corsa and others
  24. starter noise, doesn't start
  25. oil pan gasket change, is this quote correct!?
  26. Mixing Coolants.
  27. '95 Concours leaking oil between engine and trans
  28. Time serts for sale
  29. Northstar changes year to year
  30. no power with Traction Control off
  31. Oil Change question.. price???
  32. A/C and vacuum
  33. 10 best engines, N* not 2 b found
  34. 93 runs rough when hot.
  35. Spark Plug Wire Placement
  36. Adjust TCS Sensitivity?
  37. "The power to set it free"
  38. Oil Analysis
  39. Tried Blue Devil?
  40. Overheating HELP!!!
  41. Alternator Removal??
  42. MAF screen missing
  43. Washed My North*
  44. Battery No Charge
  45. PCM programming question
  46. 95 TPS replace
  47. 93 sts fuel filter
  48. Engine Stall
  49. Can 'sticky' EGR cause misfire or similar?
  50. head gasket mileage
  51. Cadillac Dealerships
  52. dexcool flush
  53. 93 sts rough idle and fluttering under acceleration
  54. wanna see performance then mayb you wanna watch this
  55. cam specs for a 1995 sts
  56. Chance of Fire ??
  57. +++++Looking for a "Time-Sert" tool set+++++
  58. +++++Looking for a "Time-Sert" tool set+++++
  59. 97 STS overheating
  60. water pump
  61. oil change and coolant change this friday
  62. 97 SLS misfiring... ?
  63. Mystery Belt (Simple Question)
  64. 95 Aurora OBD I or OBD II
  65. Normal Temp Readings
  66. Northstar for marine use?
  67. 92 Eldo OBD Code help
  68. kick down
  69. WOT in a Aurora 4.0
  70. Low Oil Pressure
  71. When buying a Northstar powered car....
  72. Oil OIl Everywhere Not a drop to spare
  73. Overheating 95 Seville Sls
  74. Rough idle at start-up
  75. Northstar low oil pressure alarm
  76. Nothstar fairytails
  77. rough idling at lights
  78. Anyone know what "P1320 - IC 4X Reference Circuit Intermittent" means?
  79. Codes p0174, b2102, u1064
  80. Prestone EG coolant "new formula"? for 95 SLS N*
  81. Elusive overheating problem solved/excess oil found
  82. NorthStar Head Bolts
  83. 4.6L Parts Supplier and Availability Question
  84. Torque Convertor removal, problem (96 4.6L)
  85. 4.6 Northstar Time-sert headbolt hole repair kit
  86. My 94 seville idles and runs terrible. I've done everything!
  87. oil consumption cured
  88. How often do I clean the throttle body?
  89. 94 A/C Problem
  90. Flushing radiator 98 deville
  91. Help with codes for an 02 Deville....
  92. 95 Eldo Idle/Acceleration????
  93. I'm sure this has been asked
  94. 1997 stalling problem
  95. 10% Ethanol comes to Northeast U.S.
  96. So I've been using 5W30...
  97. My tranny is FUBAR!
  98. Northstart - Blown Head / Headgasket?
  99. HOW TO: Test/Change TPS (99 STS)
  100. Rebuilt Northstar, No Codes, Poor MPG
  101. 4T80E Torque Converter Removal
  102. 97 ETC Complete Exhaust
  103. help with new car
  104. Fuel mileage (Holy cow!!!)
  105. Radiator Sealant
  106. 2000-2004 crank sensors
  107. Transmission squeak?
  108. Missing 9 HP
  109. How good is K&N filters... really?
  110. Leaking anti-freeze poss waterpump area
  111. Timeserts
  112. L37 gear shifts at what speeds?
  113. Rough cold idle...
  114. help in determing this motor
  115. Is there any interest in 93-95 bored throttle bodies?
  116. Temp gauge issue (Question 2)
  117. Fuel gauge issue (Question 1)
  118. Coolant boiling out of overflow
  119. upgrades...K+N =BAD???
  120. Well im alive...
  121. 1999 deville North** lost mileage
  122. Actual N* engine swaps
  123. Coolant Leak
  124. Just bought my first Cadillac-Has green coolant
  125. Any increase MPG tips?
  126. why ios engine running hotter than before
  127. where is the thermostat located in 2003 deville
  128. how to change coolant in 2003 deville
  129. Head Gasket Going
  130. difference between 275 and 300hp N*?
  131. 96-98 Intake parts
  132. Why is the Northstar "better" than the Intech?
  133. Post 2000 N*?
  134. Motor Mount Question
  135. A/C Question 1994 STS
  136. real fast idle
  137. So I Put My Sled On The Dyno Today..
  138. N* Supercharger and Turbo Systems!?!
  139. 93 N* AC bypass belt?
  140. How come N* isn't used in more vehicles?
  141. Switched to Mobil-1 and oil consumption dropped
  142. 2000 deville dts (Engine runs rough when 1st started)
  143. 2 mufflers for cosmetics or performance?
  144. Northstar upgrades?
  145. How difficult is this?
  146. It won't fire!!!!
  147. Northstar stands alone?
  148. Engine on or off during On Board Diagnostics?
  149. timing pics, homemade locating pins, please look
  150. HELP! Need part number........
  151. AC Recharging Help
  152. About those electric superchargers...
  153. Possibly the best sounding N*?
  154. $660 tune up for 95 STS??!!
  155. Engine Temp. Sensor
  156. When do I replace the AC Compressor
  157. 94 SLS 4.6l, code P071
  158. 130mph??
  159. oil filter adapter
  160. 94 to 97 Northstar interchange question
  161. Bad batch of DELCO PLATINUM 41-950 SPARK PLUGS
  162. How long should plugs/wires last?
  163. Easy question - which is right and which is left?
  164. Tell me how to do a WOT.
  165. How did this guy do burnouts?
  166. 95 Eldorado occasional starting problem.
  167. Coolant change Air purging?
  168. two torque sequences?
  169. mystery oil leak
  170. Still Can't Get The Front Valve Cover Off!!!
  171. Ignition System Problems
  172. This sounds dumb but I'm gonna ask anyway - air intake question
  173. A/C recharge
  174. API grades
  175. Engine Difference between 97' & 99' STS?
  176. part# for speedy sleeve
  177. Post Head gasket job (need Veteran rebuilders advise)
  178. 94 concours acting up..
  179. Trans Question 01 DTS
  180. Engine Error Codes...Please Help
  181. 4.6 L NorthStar Engine Design Questions
  182. multi miss fire multi codes 1996 dev
  183. Have a big ?
  184. What does it all mean?
  185. Metal flakes in engine oil
  186. latest lower end seal job procedure
  187. OBDII Tuner software for Northstar.
  188. Poor gas mileage in aurora 4.0
  189. Northstar Head Gasket, which side, which jug is more common
  190. Code P1415 help?
  191. need new O2s
  192. 2002 Deville transmission
  193. Wanted:1999 4.6 NorthStar leak-down values
  194. MAP Sensor relocation
  195. Can someone explain HOW my injectors went bad?
  196. Bad Mileage Not Fpr
  197. 1999 Cadillac STS Exhaust Mufflers
  198. 4t80e production changes 95-9
  199. Manifolds are melting my car
  200. Check Atf
  201. Putting Northstar on an Engine Stand
  202. Headgasket job +++?
  203. northstar swap into another car, a few questions
  204. 2002 Seville STS Cataylst Issues
  205. Engine Temperatures
  206. Can a 1999 4.6L Northstar "Y" be replaced/exchanged with a "9" of the same year
  207. Amsoil nano-filters (air & oil)
  208. DELCO PLATINUM #41-950 SPARK PLUGS from eBay
  209. 93 Water Pump Confusion
  210. How to check for bad ignition coil?
  211. 94 Eldorado surge in engine and 4 codes
  212. Questions On Crank Shafts
  213. weird start problem that occured
  214. northstar head switching
  215. Northstar 4.6 Interchange and Swapping
  216. Car Farts After WOT
  217. 1999 Northstar engine 85K Miles, How can one tell if is good
  218. 03 Seville Steering Adjustments? ? ?
  219. On My 3 Rear Main Seal
  220. 96 sts crankshaft position sensors
  221. any tranny experts out there?
  222. Fpr For $141.08
  223. Water pump
  224. Rwd N*
  225. Coolant Drain
  226. Coolant Leak 98 Deville
  227. so any chance of an AFC
  228. AC Compressor bypass
  229. 3.5L Shortstar Ignition
  230. Sound
  231. Northstar reliability...
  232. Name That Part
  233. Post headgasket job, one loose end left.
  234. Need re-assembly advise!
  235. Minor starting problem
  236. does it work? (hyper lube)
  237. 96 cadillac deville code after code?!?
  238. Transmission Durability?
  239. Shaky Tachometer at High RPM
  240. 1996 Seville STS Crank Sensors
  241. What other cars use the same style injectors?
  242. Adding Freon
  243. Lost power steering fluid rapidly. Is there a hose?
  244. Northstar engine rebuilders or performance builders in SoCal?
  245. 95 Northstar Coolant leak
  246. EXP ID Codes
  247. Looking for N*mech in northern RI
  248. 93 Eldorado T.C ignition issues
  249. voltage drops when car in drive
  250. after a&b solenoid