View Full Version : Northstar Performance and Technical Discussion


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  1. Glasspacks
  2. Seville Engine replacement.
  3. Water in tailpipe, rough idle on start,
  4. Anyone want a K&N air filter?
  5. P0171 & P0174
  6. Modified Northstars - Need I say more?
  7. Engine Cover?
  8. Purge Flow Problem
  9. Coil Questions
  10. Cylinder leak-down test procedure (with percentage gauge)
  11. 97 seville cold crank problem... Help
  12. Oil Level Sensor?
  13. pics of the progress
  14. Engine Swap
  15. 2005 N* with 10 miles $3000
  16. Coolant Level
  17. motor
  18. pcm location on 94 sts?
  19. 93 Northstar stalling
  20. Nitrous Help?!?!?!??!?!
  21. Coolant Additives?
  22. Am I screwed ?
  23. 1999 300 sts engine in a 97 deville
  24. hesitation then takes off like a bat out of hell.
  25. Differences between 94 and 98 N*
  26. Transmission Fluid Running Out of Transmission.
  27. How many cubic inches is a N*?
  28. Hey fellow cadillac lovers
  29. Cost for a new starter in a 93-97 Northstar?
  30. Honestly, is a Northstar Cadillac a wise purchase for a ~20 year old?
  31. What oil is best for a 97 deville
  32. Is Seafoam safe to use in a Northstar?
  33. Need a little starting help?
  34. Engine swap 97 Deville
  35. Eldorado O2 sensors.
  36. Is the resonator necessary?
  37. 99 deville with a missfire
  38. Installed intake
  39. Engine identification and swap.
  40. How to test ignition control module
  41. New northstar reliable?
  42. Why Lower crankcase should be done...
  43. Bad Mileage And Weird Whoosh Sound
  44. 2000+ N* Info needed
  45. 96 Cadillac ETC, Idle Problems
  46. Starburst on oil
  47. Free Ign. module with 3 coils from 93 STS
  48. serious question about my n*
  49. Old Man checkin in..Hi Sal!
  50. rebuild a northstar
  51. oil weight
  52. rsm racing
  53. How bout this idea: Northstar in a golfcart?
  54. Motor Oil is Killing our Cars / LONG / OT
  55. Failure to start
  56. Check coolant level message appeared twice in 6 months
  57. WOT: Is it really effective?
  58. ticking or knocking
  59. What is that noise?
  60. How much horsepower would this do?
  61. Adding a friction modifier to the tranny
  62. 2002 N* Deville occasionally idles too high
  63. pinout of crankshaft sensors?
  64. Oil Usage
  65. Posi install questions!
  66. 4.9 vs. Northstar
  67. Mobil 1 in all '08 Caddys
  68. de carbonization of northstar engine
  69. check oil level?
  70. Whoa, look at this, L37 in a '95 Monte Carlo Z34!
  71. NorthStar .. fathered by the ALLANTE ....
  72. Change oil @ 3k or when comp says to?
  73. 1996 engine swap.
  74. northstar engine
  75. 1994 SLS P)43 and P045 Codes??
  76. Light Fright
  77. FPR Replaced - Still Runs Little Rough
  78. Oil Pan Problem
  79. A012 Code - Temperature Sensor Location?
  80. crank sensor replacement
  81. Cam Question
  82. HOLe IN MY BLOCK-D'OH! ??motors around?
  83. Compression Ratio
  84. where to buy torque plate for honing block?
  85. Oil Leaks
  86. Bored TB's revisited
  87. Any mechanics in NYC/Queens/LI?
  88. a bunch of problems
  89. How to know if the coolant is old
  90. "Mud" around the insides of my fuel lines
  91. 1993 Sts 32v
  92. Swapping Northstar for Vortec
  93. N* performance rebuild
  94. Help, Just removed Radiator coolant resovoir 2004 sls
  95. Starter problems?
  96. 99 sts head gasket repair - shop in NJ area?
  97. What did Cadillac do to get more power?
  98. K&N Air Intake Performance Filter
  99. What were the revisions to the Northstar in 2000?
  100. Cost of a half-case reseal ?
  101. Timsert Kit (unused ) for sale $300 + ship
  102. Engine compartment question
  103. Tune up time?
  104. Engine likes to shut off in rain/wet snow/high humidity
  105. Timesert Kit Info
  106. Head Gasket Problem
  107. Vids of other vehicles with Northstar engines
  108. 93 Northstar engine question
  109. Swith Problem message - how to find which swithc
  110. 93 Eldorado?????????????
  111. Northstar ECU
  112. Timesert 96 n*
  113. 93 Eldorado
  114. to hot??????
  115. a few numbers
  116. Is $1500 a good deal for having my headgaskets replaced?
  117. 96 STS in Israel
  118. 97 Eldo - 4.0 NORTHSTAR - NO POWER?
  119. North* Air Pump
  120. No reverse ????? 93 STS
  121. speeds of radiator's fans
  122. who to turn off the DIC coolant temperature reading
  123. Is there any way to check if my car has a bad headgasket?
  124. 5-w30 in 99 N* ??
  125. Spark plugs on a 4.9 1995 Deville
  126. 93 Seville Running Rich
  127. Question about the factory air intake...
  128. 1995 STS Hard Starting
  129. Westers Will Hack the Northstar NOW!
  130. For those that dropped the cradle
  131. Intermittent '93 STS problem
  132. New nitrous controller - installed
  133. Eldorado Cooling System
  134. 96 Seville/97 Deville - different gear ratio?
  135. Aack, my poor dad. Cracked block 2000 DeVille
  136. What Materials Are Used In Norhtstars ?
  137. P1416 code & warmup stall problems
  138. 94 Seville Backfire- Cracked Intake Manifold on startup.
  139. 2004 Deville brakes changed now stalls while driving
  140. Progress on Timesert Install
  141. right FPR part for overseas N*
  142. exported cadillacs & error codes
  143. Advancing timing on a orbII Northstar for performance gains
  144. What's this hole in the air box for?
  145. Guys I need some help please
  146. Details on the NorthStar
  147. Forgive me, but im looking for a few things (all chime in)
  148. Interesting Service Bulletin - Did anyone know about this?
  149. Stranded out of town
  150. Westers vs Fastchip for '95
  151. Show off your Cold air intakes!
  152. Crossover pipe & Exhaust discussion
  153. Water Pump Drive Pulley Removal
  154. Wiring Scheme for 98 Deville
  155. N* in Corvette?
  156. For those STILL interested in BORED TB's!
  157. aftermarket (granatelli/other) Mass Air Sensors?
  158. Torque Converter Clutch (p0741 tcc stuck off)
  159. 99 to 96 swap question
  160. how to fix these two code problems?
  161. Doing a half case reseal myself?
  162. Torque Converter while the trans is out
  163. 1995 SLS cranking but not starting, code p035
  164. Aftermarket Replacement Ignition Coils? Step in!
  165. intake/TB interchange question!
  166. Conversion to LSx Throttle body
  167. Anyone actually done a head gasket in car
  168. northstars in general
  169. Po172 & Po174 Fixed 2001 Dts
  170. Head gasket poll... please check in.
  171. Anybody here have Dynomax Super Turbos on your Northstar?
  172. G-Northstar Intake Plug
  173. Which codes....?
  174. Service Stability System On & ABS light
  175. Alternator Cooling
  176. Cooling System Question
  177. BigSert Kit
  178. A\C Trouble
  179. Has anyone done a TC in a N* car?
  180. N* Serial number
  181. How late is too late for fuel rail recall
  182. Buying a new Caddy - Advice?
  183. Chevron Delo 10W-30
  184. n* ?
  185. Northstar question
  186. rambling about intake - and porting/mod worklog
  187. Spark Plug Wires - Idea?
  188. New but still overheating
  189. No start or spark
  190. 2000 Deville DTS engine codes, please help
  191. '95 Eldorado Sputtering and Backfiring?
  192. 96 sts check engine light on but no codes
  193. Nitrous Use on 96+ N* - got some ?'s
  194. 93 MAP Sensor Shorted
  195. Does the aurora N* have the same issues?
  196. Shake on idle until throttle applied
  197. Stainless Fuel Rail Schrader Valve Size
  198. Please help with codes>>>
  199. '98 Eldorado codes
  200. Northstar Info Website
  201. Team Northstar Le Mans Prototype race car
  202. 2000 Cadillac STSi race car
  203. NEED HELP gotta get engine buttoned up after install
  204. 02 Deville Overheating
  205. JUST HIT 100k mi TONIGHT!!!
  206. Took the Caddy out Racin...now I want to mod
  207. How hard is it to change the plugs on a N*
  208. My Northstar adventure is finally over...
  209. cracked block
  210. Track Results from Today!!
  211. Northstar Tuning
  212. What is timesert
  213. Does this stand to reason - Get your engineering degree ready
  214. 94 - 95 n* motor tranny ecm 4 sale
  215. N* Coolant Tough To Fill
  216. Northstar runs PERFECT THEN DIES
  217. Broken Timeserts
  218. water pump
  219. N* Oil Cooler And/or Tranny Cooler
  220. Ok now This is getting CRAZY N* Problem
  221. thermostat
  222. Help! Stuck piston in n* I need help!
  223. I got a present from summit racing today...
  224. N* 25 Lbs Pressure Blows Radiator Seal
  225. coolant too hot
  226. 94 N* Fuel Problem. Need some Help !!
  227. Stay away from Guys Tire Buys in Staten Island NY
  228. How to defeat TC and maintain 1st gear
  229. Knocking On My Northstar Engine 96 STS Sevile
  230. 94 SLS back cyls spark, don't fire, smoke
  231. Blue/black Smoke only after Idle
  232. Question on Exhasut smoke/Chemical agent repair
  233. Question about varying coolant temp
  234. Shell Rotella T 10W-30 CJ-4/SM
  235. spark plugs and wires
  236. some new oil information
  237. Engine Power Circuit?
  238. power max spark plug wire set
  239. Question on a code....
  240. Oil Cooler
  241. Engine oil cooler question
  242. Tell me about dyno's please
  243. N* No Start After Head gasket
  244. Northstar Oil Change Procedure
  245. GM EOS Asst Lube
  246. Oil Pressure Problem (yeah another one...)
  247. where can i find the serial # on the v8 northstar 98
  248. 94 Sts Export Ecm
  249. quick performance question
  250. Moving Tapping Noise/Knocking Noises