: Northstar Engines and System Technical Discussion



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  1. Fuel Pressure Regulator
  2. O2 sensors are driving me nuts!
  3. Oil level sensor & alternator terminal hookup
  4. 96 STS High Idle After Highway Run
  5. Northstar Fiero + CRHFAB 272 cams with Misfires and stalls
  6. Oil on plug #2 causing rough idle/misifre?
  7. major problem with my HG job
  8. Temp Gauge
  9. Spark Plugs
  10. PLEASE HELP Need harness help after stud job
  11. Installing new belt Tensioner
  12. 99 Eldo ETC Codes p1375, P1654, B2502
  13. Misfire
  14. studs for block
  15. Wire boot stuck in cylinder 2
  16. How do I get spark signal for chassis dyno
  17. i need 1 ns300l norms insert please help
  18. PCV oil catch can, intake sludge
  19. Blown head gaskets, cracked cylinder heads, or both?
  20. Oil Usage with Synthetic Vs. Mineral
  21. What year N* engine block will work for 2000 deville
  22. Vacuum line question
  23. Service Suspension System
  24. Surging/Stalling When Warm, Lean Codes -- Not Plenum
  25. Misfiring and Surging 2000 Seville
  26. great deal on head studs
  27. Anyone want studs with their head gasket job in illinois
  28. Normal Compression on a correctly timed 1996 N*
  29. 1994 Northstar, jumpy acceleration, back fires, loss of power at times
  30. head removal
  31. Anyone change their Northstar valve cover gaskets??
  32. engine question
  33. High pressure p/s hose
  34. Fluid Change vs Fluid Flush...
  35. Wester's, Northstar Performance, and CHRFAB. Working together for one FAST FWD
  36. 1995 STS hard start and stall problem
  37. serpentine belt feels like its dragging when accelerating
  38. Pc1139
  39. PCM P0741 Error Code / 2000RPM IDLE - 99 STS
  40. Northstar engine water flooded
  41. Dowel Problem!
  42. NS front exh manifold
  43. would you?
  44. 98 deville motor mounts....
  45. Front Cover Gasket help
  46. Think the Northstar headgasket job is bad??
  47. Wierd shudder - torque converter?
  48. Engine hot!!! Should I be worried????
  49. Fuel Injection Services, Are they worth it?
  50. Product Distributors needed throughout the USA - $$$ in it for you
  51. 99 4.6L n* Conversion Gasket Set
  52. studs vs. inserts
  53. 300,000 miles... I made it!!
  54. 2003 northstar misfire
  55. How often are blocks not re-useable for rebuild?
  56. P041 No Cam reference signal from ignition control module
  57. Oil pan gasket material?
  58. 03 STS using 1qt oil every 800mi - Should I be worried?
  59. Did your Northstar's Y pipe come obstructed from the factory? Mine did (with pics)
  60. northstar governer/limiter
  61. speed limiting question
  62. Water pump to head gaskets?
  63. Sensors going? -15c out.. i dont wana look...
  64. headgasket
  65. studs aren't straight
  66. 1997 sts
  67. 98 deville blue smoke and burning smell at high rpms.
  68. Head Alignment Dowel ???
  69. Is it a head gasket?
  70. Oil pressure at cranking speed on a rebuilt engine
  71. 98 deville best oil for low oil oil consumption?
  72. Huge savings on Head Gasket Jobs - only $1320 USD
  73. TPS relearn
  74. Water pump tensioner pulley replaced
  75. Do you have to remove the alternator?
  76. Frustrated
  77. Engine Swap 2000 STS into a 1998 STS
  78. Loud ticking at idle.
  79. High Idle Causes
  80. V8 camshaft tool set help?
  81. readings with snapon scanner
  82. 99 sts won't start please help a newbie
  83. Coolant tube question
  84. 2002 Eldorado Drive Belt Plus Maintenance
  85. 1994 STS - ECM replaced, road speed surge
  86. cracked block issue, common??
  87. 1994 Eldorado Thermostat
  88. 93 Northstar Block
  89. Coil Pack Test
  90. Head Gasket - Ran in 2nd Gear & Temp Went Down?
  91. 99 sts running rich
  92. fuel line clips on the tranny
  93. Alternator question 94 seville
  94. ? about rear main seal and flywheel bolts
  95. Jake stud kit installation
  96. Steering shaft to rack coupler help?
  97. Pre-2000 Ignition Control Module (ICM) - How It Works
  98. head gasket repair in Iowa or surrounding states
  99. Coil Pack - P0300 Culprit
  100. No Fire from 1 coil pack! ?'s about ignition!
  101. Never installed coolant supplement pellets, bad?
  102. Upgrade
  103. Deal or no deal?
  104. Waterpump removal doh
  105. Ugg todays northstar problem, please help
  106. want to buy a 95 eldorado with northstar
  107. 100k question
  108. N* easiest cadillac engine to work on
  109. 1996 Deville N*
  110. Advice on engine teardown TOMORROW
  111. Can you blow the head gasket driving without pressurized coolant?
  112. 2000 DHS engine swap
  113. Valve keepers fell off! But valve still in there!
  114. Why do so many people do it the hard way.
  115. timing chain with engine in car
  116. P0306 and P0300 codes CKP changed
  117. Car temperture went up after putting stop leak in
  118. ok ok... so engine out the top... what???
  119. power steering lock up
  120. 4t80 extension housing, what part
  121. BackFire Valve
  122. Grumble, engine dropping questions
  123. URGENT WORKING RIGHT NOW Fuel Line Removal
  124. Seeping Oil Pan Gasket
  125. Quick help need on 4L80
  126. couple of quick questions on my deville
  127. Bubbles on trans fluid dipstick bad?
  128. RACE FANS Free beer 1/16-1/17 if you live around Richmond (sorta)
  129. 4.6 Northstar
  130. Going in again! HG's first, now torque converter
  131. engine vacuum line?
  132. 160* Thermostat?
  133. Jake clear out your mailbox
  134. help! erratic idle, no codes :-x
  135. Oil looks like crap, advice please
  136. Zero compression in Cylinder 2
  137. I smell coolant
  138. Northstar head gasket issues
  139. swap entire cradle from another car??
  140. "check emissions system"
  141. What size is my motor?
  142. Coolant manifold/Crossover gasket sources?
  143. P0621 Code Batt not Charging/Svc Chrg Sys
  144. Looking to do a HG job for the holidays?
  145. need tranny parts advise
  146. Anyone in Ontario with a good scanner/reader?
  147. State by state guide to Northstar head gasket repair shops
  148. Engine Installer or Head Gasket Repair in NY, CT, NJ, MA?
  149. 4T80 experts
  150. Your Opinion
  151. Fixable or not?
  152. Why NOT to use time serts -
  153. Rear main seal & case half seal - '98 Deville
  154. EVAP switch, purge solenoid, i butchered it
  155. Northstar Performance warranty-good
  156. Misfire 1998 STS
  157. Randomly Running Extremely Rich
  158. Is there a tuner for a 2001 Deville?
  159. I need help!!!
  160. pull tranny, fix half case leak
  161. Slow start and stalling
  162. Who wants/needs a brand new Supercharged Northstar / RWD Trans?
  163. Northstar powered trike
  164. torque angle meter?
  165. pulley decides to whine
  166. Misfire on cylinder 6
  167. TCC Stuck Off (Code P0741) Still on after Solenoid Changeout
  168. Still making engine noise
  169. CHRFAB cams installed - 98 STS - the results are in
  170. Race Caddy losing coolant and making noise
  171. northstar in a camaro!
  172. timming in a 95 sts
  173. To hone? or not to hone
  174. Pulleys... A good source?
  175. timing car with engine in car
  176. 98 N* engine, blue valve cover washers?
  177. motor swap
  178. Today's Racing Question: Studs or Norm's?
  179. Please help guy
  180. Northstar engine swap 2000 put in a 96 Northstar
  181. Power steering leak
  182. 97 sls shifting problem
  183. Deleting govnor on a 2000 eldorado????
  184. Service Engine Soon Codes 1022 & 1122
  185. Coolant Change Help
  186. Head Gasket Repair, now noticed block is cracked
  187. Priming the oil pump
  188. Confused as hell
  189. ATF Question...
  190. cooling fans come on at what temp?
  191. add torque struts(dog bones) to 99 seville
  192. Turbo Charged 99 STS
  193. What tools do you need for a hg/engine pull job
  194. headgasket need used insert kit
  195. Recent Stud Kit Customers - READ THIS PLEASE
  196. HELP My mechanic says I have carboned lifters
  197. What color are stock gaskets?
  198. Dumb head gasket question
  199. Resetting Timing after Head Gasket job.
  200. Cadillac Engineers please help us!
  201. how do i change my idle
  202. head gasket help!!!!!!
  203. Transmission cooling
  204. Idle at 3000 RPM HELP!!!
  205. added power?
  206. northstar crank sensors
  207. 2000 DTS plugs and hoses - tough job, I think
  208. FPR acting up
  209. 98+ STS brake upgrade?
  210. Spark plugs
  211. Email conversation with HEAL-A-SEAL
  212. O2 Sensors
  213. 01 SLS w/ Cracked Block - Need Cincy Area Mechanic
  214. 06 DTS crank seal leaking
  215. 4t80e side cover drain
  216. '98 STS stumbles and misses (NO CEL)
  217. MAP sensor keeps going bad - 94 N*
  218. 2004 dhs starting problem
  219. Attention All Northstar Technicians- New Northstar Drilling / Tapping Machine
  220. headgasket being repaired
  221. High mileage oils
  222. P0420 code
  223. Wot?
  224. You'll never guess what I broke today
  225. 95 STS fluctuating rpm and slight bogging while driving
  226. 1993 Cadillac sts 4.6 idle fluctuating
  227. SLS engine and trannie in a STS?
  228. Air conditioning compressor clutch bearing
  229. Manifold Blowoff Leaking - parking break stuck
  230. 110,000 miles, what else should be done along with head gaskets?
  231. "Tic Tic Tic" sound on 02 SLS
  232. Flashing SES/P0300
  233. Working on mama's Caddy. Need help with O2 Sensor
  234. Head Gasket?
  235. Investors needed. Big time.
  236. thermostat housing gasket? 99 sts
  237. New England area Northstar mechanics? (Head Gaskets)
  238. 6 oil leaks; gaskets replaced now intake plenum boot replaced..
  239. That's a lot of smoke! (exhaust)
  240. Mobile 1 Clean High Mileage
  241. Chocolate Milk in the oilpan
  242. Heater Core Inlet Connector O-Ring Leak
  243. Breakthrough for anyone with bad exhaust cams
  244. 96 Aurora 4.0
  245. Idle Too Low P0506 New Throttle Body?
  246. Northstar mechanic on Long Island?
  247. 4t80E shift solenoid part #
  248. B0149
  249. Code P119
  250. HeadGasket Repaired - cost $1500 - but more problems?...