View Full Version : Northstar Performance and Technical Discussion


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  1. Priming the oil pump
  2. Confused as hell
  3. ATF Question...
  4. cooling fans come on at what temp?
  5. add torque struts(dog bones) to 99 seville
  6. Turbo Charged 99 STS
  7. What tools do you need for a hg/engine pull job
  8. headgasket need used insert kit
  9. Recent Stud Kit Customers - READ THIS PLEASE
  10. HELP My mechanic says I have carboned lifters
  11. What color are stock gaskets?
  12. Dumb head gasket question
  13. Resetting Timing after Head Gasket job.
  14. Cadillac Engineers please help us!
  15. how do i change my idle
  16. head gasket help!!!!!!
  17. Transmission cooling
  18. Idle at 3000 RPM HELP!!!
  19. added power?
  20. northstar crank sensors
  21. 2000 DTS plugs and hoses - tough job, I think
  22. FPR acting up
  23. 98+ STS brake upgrade?
  24. Spark plugs
  25. Email conversation with HEAL-A-SEAL
  26. O2 Sensors
  27. 01 SLS w/ Cracked Block - Need Cincy Area Mechanic
  28. 06 DTS crank seal leaking
  29. 4t80e side cover drain
  30. '98 STS stumbles and misses (NO CEL)
  31. MAP sensor keeps going bad - 94 N*
  32. 2004 dhs starting problem
  33. Attention All Northstar Technicians- New Northstar Drilling / Tapping Machine
  34. headgasket being repaired
  35. High mileage oils
  36. P0420 code
  37. Wot?
  38. You'll never guess what I broke today
  39. 95 STS fluctuating rpm and slight bogging while driving
  40. 1993 Cadillac sts 4.6 idle fluctuating
  41. SLS engine and trannie in a STS?
  42. Air conditioning compressor clutch bearing
  43. Manifold Blowoff Leaking - parking break stuck
  44. 110,000 miles, what else should be done along with head gaskets?
  45. "Tic Tic Tic" sound on 02 SLS
  46. Flashing SES/P0300
  47. Working on mama's Caddy. Need help with O2 Sensor
  48. Head Gasket?
  49. Investors needed. Big time.
  50. thermostat housing gasket? 99 sts
  51. New England area Northstar mechanics? (Head Gaskets)
  52. 6 oil leaks; gaskets replaced now intake plenum boot replaced..
  53. That's a lot of smoke! (exhaust)
  54. Mobile 1 Clean High Mileage
  55. Chocolate Milk in the oilpan
  56. Heater Core Inlet Connector O-Ring Leak
  57. Breakthrough for anyone with bad exhaust cams
  58. 96 Aurora 4.0
  59. Idle Too Low P0506 New Throttle Body?
  60. Northstar mechanic on Long Island?
  61. 4t80E shift solenoid part #
  62. B0149
  63. Code P119
  64. HeadGasket Repaired - cost $1500 - but more problems?...
  65. 95 Eldo headgaskets?
  66. Only overheats when the AC or the heat is on....
  67. 06+ STS Northstar ECM repin to 07-08, new carrer and trans install
  68. Aftermarket Temp. Gauge
  69. Coolant Supply Line
  70. Idles rough after being started in the morning
  71. Best way to clean the engine bay?
  72. 2001 Cadillac DTS Can't get up to speed, power loss, studdering, See Video
  73. Tricky Coolant Leak
  74. Coming back home
  75. 2000 DHS exhaust smoking and running poor
  76. 4 Engine Questions
  77. Is this guy being honest with me? video of a SEIZED ENGINE!!!
  78. Any thoughts on this...
  79. tap for time serts
  80. Just bought a 98 Deville, was overheating, am I paranoid?
  81. 208 at 40+ 212 at <40
  82. low oil pressure
  83. Batman's Northstar
  84. Another Wont crank issue
  85. Woohoo...Head gasket repair is done
  86. 1998 Deville acceleration slip
  87. Steering joint bolt
  88. My bone stock '98 STS pulled a 14.95 in the 1/4
  89. Weird Noise
  90. Heartland High Mileage Oil Changer Review
  91. 95 sls n* solenoid clicking
  92. Interesting find
  93. Valve cover bolts???
  94. Timing mark clarification
  95. Engine in the car repair... how many gaskets?
  96. Front hydraulic motor mount
  97. I can't get the CV joint to separate from the Trans
  98. 1993 Caddillac Eldorado - Timing Chain Issue
  99. Stud Kit Success!!
  100. Ways to increase performance?
  101. Radiator leaks and engine runs rough, no codes
  102. Ethanol Blends
  103. 98 Eldorado Starting Problems
  104. Problems removing head dowels
  105. Another visit to the track
  106. 95 vs 99 Northstar
  107. Tuning up the engine.
  108. Head Gasket Repair At Your Location!
  109. Head Gasket Paranoia
  110. catalyst converter replaced
  111. 93 STS Lots of smoke after fillup
  112. Exact oil filter wrench for 1996 Seville SLS
  113. new northstar
  114. Super Noob needs help overheating
  115. Nitrous Help: 01 DTS
  116. Head gasket removal, best practices
  117. 01 deville o2's locations?
  118. Head stud kit
  119. Documenting a swap: N* 4.6 / 97 STS
  120. 2005 DTS Twin Turbo project??
  121. No pcm data
  122. No pcm data?
  123. WIll a 98 vin 9 motor go into a 94 STS
  124. another newbie HG question
  125. NEW - 2002 Head Gasket Failure - Best Fix...
  126. Failed Smog Emissions Northstar
  127. What could it be?
  128. Exchange fluids how often?
  129. Tuning thread. Disappointed, but I understand.
  130. looking to buy a Caddy
  131. AC Delco platinum plug gap settings for N*
  132. how do i get my car to northstar preformance, uh cheaply?
  133. Engine 'misses' at stoplights
  134. where to get my head gasket repaired?
  135. Engine Shaking
  136. 4.6 Prevention and maintenance for longer life IE head gaskets.
  137. How to properly switch from red to green in a 2000 STS
  138. Water Pump Issue
  139. Lucas Oil Stabilizer
  140. Rough idle and low speed chug
  141. barS headgasket repair, has anyone tried it?
  142. Secondary Air Injection Check Valve... Bent?
  143. 2000 STS motor mount help?
  144. Oil pressure dummy light flickers...
  145. Head Bolts...
  146. Slight stumble, no codes
  147. 97 Deville wont start in the morning
  148. Stud Kit Help
  149. A kitten caused my Serpentine Belt to come off
  150. Check Coolant Level
  151. Cleaning Heads and Block
  152. Over Heating... HELP!!!
  153. 2001 deville rough idle
  154. engine grounds
  155. manifold blowoff
  156. sealant for blown heads?
  157. 1994 STS Overheating (I think)...
  158. Block Identification Numbers
  159. Snapping noise when coming to a stop..Answered Finally!!!
  160. Overheating Eldorado Help
  161. need some help
  162. 05' STS. Little help with P0102 please
  163. 2000 cadillac deville dts P0300 code
  164. Head gasket repair
  165. P041 1994 deville concours
  166. Quick Oil Question
  167. rough idle, no codes, rough start
  168. coolant leak
  169. STS Radiator Hose Replacement
  170. 95 Eldorado ETC - Cooling system
  171. power steering line: o-ring?
  172. broken bolt in oil pan
  173. Water pump & crossover gasket - $$$$
  174. Help Me Please
  175. Rad Cap PSI was wrong
  176. Coolant Leak. Where's it coming from?
  177. Water pump Purge line?
  178. 5w30 or 0w30
  179. Destroying a N* Engine
  180. N* engine removal - newbee
  181. 02 DHS overheating
  182. TCC Stuck Off
  183. No clue what to do. Northstar blues
  184. problem with map sensors
  185. 2001 caddy sts seville tranny
  186. What is going on with the car?
  187. Spark Plug Wires
  188. "Hush" or "Gasp" Before Expected Throttle Response
  189. my 93 ETC Eldorado N* has a question for you guys
  190. Which spark plugs to buy?
  191. Thoughts on Dex-Cool and Head Gaskets
  192. 2001 cadillac deville small hesitations
  193. Normal Operating Temperature?
  194. Intermittent starting issue 97Seville SLS
  195. Trouble finding exhaust leak 99 Deville Y motor
  196. Is 235 too hot for a N*star on hilly roads?
  197. Spark Plugs ACDELCO or somthign els ?
  198. Good mechanics to fix head gasket in Oceanside, California area
  199. rough idle, only when in gear and brake on
  200. The first head gasket failure - 1 out of around 90 or so
  201. Tranny problems?
  202. how to install serpentine belt on 98 concours
  203. engine swap
  204. Why high fuel pressure?
  205. 1997 Northstar low speed hesitation and noise
  206. 2001 DeVille DHS / North Star motor losing power
  207. Air-Dam / Belly Splash Guard importance on cooling your N*
  208. Make Your Own Damn Motor Mount
  209. cooling fans inop p01660
  210. Hard shifting 1-2 Help!
  211. Fabricated Torque Strut for the 2000+ Norhtstar
  212. Horrible Engine Bucking 93 N* Allante
  213. 1998 Seville STS Performance Engine Build - STAGE I
  214. My pulley melted
  215. 01 Deville issues, no codes, no check engine light
  216. '96 Deville Coolant Change
  217. Overheating
  218. White smoke after changing starter (by removing intake manifold)
  219. No current codes but...
  220. N* Powered Camaro
  221. Strange coolant/heat issue 99 STS
  222. 1998 STS engine full of mystery sludge?!
  223. Rough idle-stumble on accel
  224. 95 Eldorado 4.6L Engine stalls
  225. Oil in intake manifold 4.6 1993
  226. 98 Deville Concours Preformance Exhaust???
  227. Engine year compatibility
  228. Sucessful Northstar head gasket repair in a bottle
  229. PCM 09354896 code DCHJ
  230. 1997 4.6 eldorado up hill over heats
  231. fuel injector ohms
  232. 93 sts fuel rail removal tools
  233. Air ride compressor
  234. Overheating??
  235. Codes P0122 and P1122...
  236. Motor mount replaced!! WTF!!!!!
  237. 1996 Seville STS O2 Sensor REMOVAL. CAN"T GET TO IT
  238. 96 Seville where's the 02 Oxygen Sensor Location?? PLEASE HELP WONT PASS EMISSIONS!!!
  239. Long road trips good for the Northstar?
  240. headgaskets a 2nd time?
  241. 97 eldorado w/180,000 miles, should i upgrade to a preformance coil?
  242. 94 eldorado 4.6 - no codes - stumbling/chugging - about to give up
  243. Car not turning over
  244. Codes 340 and 1016 + Fixed A.I.R. with new coil cartridge?
  245. Transmission issue
  246. spark plugs
  247. Yearly engine oil changes really necessary?
  248. Overheating problem
  249. maybe you all know more
  250. What Oil For Northstar Cams and Flat Tappets?