: Northstar Engines and System Technical Discussion



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  1. Why NOT to use time serts -
  2. Rear main seal & case half seal - '98 Deville
  3. EVAP switch, purge solenoid, i butchered it
  4. Northstar Performance warranty-good
  5. Misfire 1998 STS
  6. Randomly Running Extremely Rich
  7. Is there a tuner for a 2001 Deville?
  8. I need help!!!
  9. pull tranny, fix half case leak
  10. Slow start and stalling
  11. Who wants/needs a brand new Supercharged Northstar / RWD Trans?
  12. Northstar powered trike
  13. torque angle meter?
  14. pulley decides to whine
  15. Misfire on cylinder 6
  16. TCC Stuck Off (Code P0741) Still on after Solenoid Changeout
  17. Still making engine noise
  18. CHRFAB cams installed - 98 STS - the results are in
  19. Race Caddy losing coolant and making noise
  20. northstar in a camaro!
  21. timming in a 95 sts
  22. To hone? or not to hone
  23. Pulleys... A good source?
  24. timing car with engine in car
  25. 98 N* engine, blue valve cover washers?
  26. motor swap
  27. Today's Racing Question: Studs or Norm's?
  28. Please help guy
  29. Northstar engine swap 2000 put in a 96 Northstar
  30. Power steering leak
  31. 97 sls shifting problem
  32. Deleting govnor on a 2000 eldorado????
  33. Service Engine Soon Codes 1022 & 1122
  34. Coolant Change Help
  35. Head Gasket Repair, now noticed block is cracked
  36. Priming the oil pump
  37. Confused as hell
  38. ATF Question...
  39. cooling fans come on at what temp?
  40. add torque struts(dog bones) to 99 seville
  41. Turbo Charged 99 STS
  42. What tools do you need for a hg/engine pull job
  43. headgasket need used insert kit
  44. Recent Stud Kit Customers - READ THIS PLEASE
  45. HELP My mechanic says I have carboned lifters
  46. What color are stock gaskets?
  47. Dumb head gasket question
  48. Resetting Timing after Head Gasket job.
  49. Cadillac Engineers please help us!
  50. how do i change my idle
  51. head gasket help!!!!!!
  52. Transmission cooling
  53. Idle at 3000 RPM HELP!!!
  54. added power?
  55. northstar crank sensors
  56. 2000 DTS plugs and hoses - tough job, I think
  57. FPR acting up
  58. 98+ STS brake upgrade?
  59. Spark plugs
  60. Email conversation with HEAL-A-SEAL
  61. O2 Sensors
  62. 01 SLS w/ Cracked Block - Need Cincy Area Mechanic
  63. 06 DTS crank seal leaking
  64. 4t80e side cover drain
  65. '98 STS stumbles and misses (NO CEL)
  66. MAP sensor keeps going bad - 94 N*
  67. 2004 dhs starting problem
  68. Attention All Northstar Technicians- New Northstar Drilling / Tapping Machine
  69. headgasket being repaired
  70. High mileage oils
  71. P0420 code
  72. Wot?
  73. You'll never guess what I broke today
  74. 95 STS fluctuating rpm and slight bogging while driving
  75. 1993 Cadillac sts 4.6 idle fluctuating
  76. SLS engine and trannie in a STS?
  77. Air conditioning compressor clutch bearing
  78. Manifold Blowoff Leaking - parking break stuck
  79. 110,000 miles, what else should be done along with head gaskets?
  80. "Tic Tic Tic" sound on 02 SLS
  81. Flashing SES/P0300
  82. Working on mama's Caddy. Need help with O2 Sensor
  83. Head Gasket?
  84. Investors needed. Big time.
  85. thermostat housing gasket? 99 sts
  86. New England area Northstar mechanics? (Head Gaskets)
  87. 6 oil leaks; gaskets replaced now intake plenum boot replaced..
  88. That's a lot of smoke! (exhaust)
  89. Mobile 1 Clean High Mileage
  90. Chocolate Milk in the oilpan
  91. Heater Core Inlet Connector O-Ring Leak
  92. Breakthrough for anyone with bad exhaust cams
  93. 96 Aurora 4.0
  94. Idle Too Low P0506 New Throttle Body?
  95. Northstar mechanic on Long Island?
  96. 4t80E shift solenoid part #
  97. B0149
  98. Code P119
  99. HeadGasket Repaired - cost $1500 - but more problems?...
  100. 95 Eldo headgaskets?
  101. Only overheats when the AC or the heat is on....
  102. 06+ STS Northstar ECM repin to 07-08, new carrer and trans install
  103. Aftermarket Temp. Gauge
  104. Coolant Supply Line
  105. Idles rough after being started in the morning
  106. Best way to clean the engine bay?
  107. 2001 Cadillac DTS Can't get up to speed, power loss, studdering, See Video
  108. Tricky Coolant Leak
  109. Coming back home
  110. 2000 DHS exhaust smoking and running poor
  111. 4 Engine Questions
  112. Is this guy being honest with me? video of a SEIZED ENGINE!!!
  113. Any thoughts on this...
  114. tap for time serts
  115. Just bought a 98 Deville, was overheating, am I paranoid?
  116. 208 at 40+ 212 at <40
  117. low oil pressure
  118. Batman's Northstar
  119. Another Wont crank issue
  120. Woohoo...Head gasket repair is done
  121. 1998 Deville acceleration slip
  122. Steering joint bolt
  123. My bone stock '98 STS pulled a 14.95 in the 1/4
  124. Weird Noise
  125. Heartland High Mileage Oil Changer Review
  126. 95 sls n* solenoid clicking
  127. Interesting find
  128. Valve cover bolts???
  129. Timing mark clarification
  130. Engine in the car repair... how many gaskets?
  131. Front hydraulic motor mount
  132. I can't get the CV joint to separate from the Trans
  133. 1993 Caddillac Eldorado - Timing Chain Issue
  134. Stud Kit Success!!
  135. Ways to increase performance?
  136. Radiator leaks and engine runs rough, no codes
  137. Ethanol Blends
  138. 98 Eldorado Starting Problems
  139. Problems removing head dowels
  140. Another visit to the track
  141. 95 vs 99 Northstar
  142. Tuning up the engine.
  143. Head Gasket Repair At Your Location!
  144. Head Gasket Paranoia
  145. catalyst converter replaced
  146. 93 STS Lots of smoke after fillup
  147. Exact oil filter wrench for 1996 Seville SLS
  148. new northstar
  149. Super Noob needs help overheating
  150. Nitrous Help: 01 DTS
  151. Head gasket removal, best practices
  152. 01 deville o2's locations?
  153. Head stud kit
  154. Documenting a swap: N* 4.6 / 97 STS
  155. 2005 DTS Twin Turbo project??
  156. No pcm data
  157. No pcm data?
  158. WIll a 98 vin 9 motor go into a 94 STS
  159. another newbie HG question
  160. NEW - 2002 Head Gasket Failure - Best Fix...
  161. Failed Smog Emissions Northstar
  162. What could it be?
  163. Exchange fluids how often?
  164. Tuning thread. Disappointed, but I understand.
  165. looking to buy a Caddy
  166. AC Delco platinum plug gap settings for N*
  167. how do i get my car to northstar preformance, uh cheaply?
  168. Engine 'misses' at stoplights
  169. where to get my head gasket repaired?
  170. Engine Shaking
  171. 4.6 Prevention and maintenance for longer life IE head gaskets.
  172. How to properly switch from red to green in a 2000 STS
  173. Water Pump Issue
  174. Lucas Oil Stabilizer
  175. Rough idle and low speed chug
  176. barS headgasket repair, has anyone tried it?
  177. Secondary Air Injection Check Valve... Bent?
  178. 2000 STS motor mount help?
  179. Oil pressure dummy light flickers...
  180. Head Bolts...
  181. Slight stumble, no codes
  182. 97 Deville wont start in the morning
  183. Stud Kit Help
  184. A kitten caused my Serpentine Belt to come off
  185. Check Coolant Level
  186. Cleaning Heads and Block
  187. Over Heating... HELP!!!
  188. 2001 deville rough idle
  189. engine grounds
  190. manifold blowoff
  191. sealant for blown heads?
  192. 1994 STS Overheating (I think)...
  193. Block Identification Numbers
  194. Snapping noise when coming to a stop..Answered Finally!!!
  195. Overheating Eldorado Help
  196. need some help
  197. 05' STS. Little help with P0102 please
  198. 2000 DTS P0300 code
  199. Head gasket repair
  200. P041 1994 deville concours
  201. Quick Oil Question
  202. rough idle, no codes, rough start
  203. coolant leak
  204. STS Radiator Hose Replacement
  205. 95 Eldorado ETC - Cooling system
  206. power steering line: o-ring?
  207. broken bolt in oil pan
  208. Water pump & crossover gasket - $$$$
  209. Help Me Please
  210. Rad Cap PSI was wrong
  211. Coolant Leak. Where's it coming from?
  212. Water pump Purge line?
  213. 5w30 or 0w30
  214. Destroying a N* Engine
  215. N* engine removal - newbee
  216. 02 DHS overheating
  217. TCC Stuck Off
  218. No clue what to do. Northstar blues
  219. problem with map sensors
  220. 2001 caddy sts seville tranny
  221. What is going on with the car?
  222. Spark Plug Wires
  223. "Hush" or "Gasp" Before Expected Throttle Response
  224. my 93 ETC Eldorado N* has a question for you guys
  225. Which spark plugs to buy?
  226. Thoughts on Dex-Cool and Head Gaskets
  227. 2001 cadillac deville small hesitations
  228. Normal Operating Temperature?
  229. Intermittent starting issue 97Seville SLS
  230. Trouble finding exhaust leak 99 Deville Y motor
  231. Is 235 too hot for a N*star on hilly roads?
  232. Spark Plugs ACDELCO or somthign els ?
  233. Good mechanics to fix head gasket in Oceanside, California area
  234. rough idle, only when in gear and brake on
  235. The first head gasket failure - 1 out of around 90 or so
  236. Tranny problems?
  237. how to install serpentine belt on 98 concours
  238. engine swap
  239. Why high fuel pressure?
  240. 1997 Northstar low speed hesitation and noise
  241. 2001 DeVille DHS / North Star motor losing power
  242. Air-Dam / Belly Splash Guard importance on cooling your N*
  243. Make Your Own Damn Motor Mount
  244. cooling fans inop p01660
  245. Hard shifting 1-2 Help!
  246. Fabricated Torque Strut for the 2000+ Northstar
  247. Horrible Engine Bucking 93 N* Allante
  248. 1998 Seville STS Performance Engine Build - STAGE I
  249. My pulley melted
  250. 01 Deville issues, no codes, no check engine light