: Northstar Engines and System Technical Discussion



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  1. Jake clear out your mailbox
  2. help! erratic idle, no codes :-x
  3. Oil looks like crap, advice please
  4. Zero compression in Cylinder 2
  5. I smell coolant
  6. Northstar head gasket issues
  7. swap entire cradle from another car??
  8. "check emissions system"
  9. What size is my motor?
  10. Coolant manifold/Crossover gasket sources?
  11. P0621 Code Batt not Charging/Svc Chrg Sys
  12. Looking to do a HG job for the holidays?
  13. need tranny parts advise
  14. Anyone in Ontario with a good scanner/reader?
  15. State by state guide to Northstar head gasket repair shops
  16. Engine Installer or Head Gasket Repair in NY, CT, NJ, MA?
  17. 4T80 experts
  18. Your Opinion
  19. Fixable or not?
  20. Why NOT to use time serts -
  21. Rear main seal & case half seal - '98 Deville
  22. EVAP switch, purge solenoid, i butchered it
  23. Northstar Performance warranty-good
  24. Misfire 1998 STS
  25. Randomly Running Extremely Rich
  26. Is there a tuner for a 2001 Deville?
  27. I need help!!!
  28. pull tranny, fix half case leak
  29. Slow start and stalling
  30. Who wants/needs a brand new Supercharged Northstar / RWD Trans?
  31. Northstar powered trike
  32. torque angle meter?
  33. pulley decides to whine
  34. Misfire on cylinder 6
  35. TCC Stuck Off (Code P0741) Still on after Solenoid Changeout
  36. Still making engine noise
  37. CHRFAB cams installed - 98 STS - the results are in
  38. Race Caddy losing coolant and making noise
  39. northstar in a camaro!
  40. timming in a 95 sts
  41. To hone? or not to hone
  42. Pulleys... A good source?
  43. timing car with engine in car
  44. 98 N* engine, blue valve cover washers?
  45. motor swap
  46. Today's Racing Question: Studs or Norm's?
  47. Please help guy
  48. Northstar engine swap 2000 put in a 96 Northstar
  49. Power steering leak
  50. 97 sls shifting problem
  51. Deleting govnor on a 2000 eldorado????
  52. Service Engine Soon Codes 1022 & 1122
  53. Coolant Change Help
  54. Head Gasket Repair, now noticed block is cracked
  55. Priming the oil pump
  56. Confused as hell
  57. ATF Question...
  58. cooling fans come on at what temp?
  59. add torque struts(dog bones) to 99 seville
  60. Turbo Charged 99 STS
  61. What tools do you need for a hg/engine pull job
  62. headgasket need used insert kit
  63. Recent Stud Kit Customers - READ THIS PLEASE
  64. HELP My mechanic says I have carboned lifters
  65. What color are stock gaskets?
  66. Dumb head gasket question
  67. Resetting Timing after Head Gasket job.
  68. Cadillac Engineers please help us!
  69. how do i change my idle
  70. head gasket help!!!!!!
  71. Transmission cooling
  72. Idle at 3000 RPM HELP!!!
  73. added power?
  74. northstar crank sensors
  75. 2000 DTS plugs and hoses - tough job, I think
  76. FPR acting up
  77. 98+ STS brake upgrade?
  78. Spark plugs
  79. Email conversation with HEAL-A-SEAL
  80. O2 Sensors
  81. 01 SLS w/ Cracked Block - Need Cincy Area Mechanic
  82. 06 DTS crank seal leaking
  83. 4t80e side cover drain
  84. '98 STS stumbles and misses (NO CEL)
  85. MAP sensor keeps going bad - 94 N*
  86. 2004 dhs starting problem
  87. Attention All Northstar Technicians- New Northstar Drilling / Tapping Machine
  88. headgasket being repaired
  89. High mileage oils
  90. P0420 code
  91. Wot?
  92. You'll never guess what I broke today
  93. 95 STS fluctuating rpm and slight bogging while driving
  94. 1993 Cadillac sts 4.6 idle fluctuating
  95. SLS engine and trannie in a STS?
  96. Air conditioning compressor clutch bearing
  97. Manifold Blowoff Leaking - parking break stuck
  98. 110,000 miles, what else should be done along with head gaskets?
  99. "Tic Tic Tic" sound on 02 SLS
  100. Flashing SES/P0300
  101. Working on mama's Caddy. Need help with O2 Sensor
  102. Head Gasket?
  103. Investors needed. Big time.
  104. thermostat housing gasket? 99 sts
  105. New England area Northstar mechanics? (Head Gaskets)
  106. 6 oil leaks; gaskets replaced now intake plenum boot replaced..
  107. That's a lot of smoke! (exhaust)
  108. Mobile 1 Clean High Mileage
  109. Chocolate Milk in the oilpan
  110. Heater Core Inlet Connector O-Ring Leak
  111. Breakthrough for anyone with bad exhaust cams
  112. 96 Aurora 4.0
  113. Idle Too Low P0506 New Throttle Body?
  114. Northstar mechanic on Long Island?
  115. 4t80E shift solenoid part #
  116. B0149
  117. Code P119
  118. HeadGasket Repaired - cost $1500 - but more problems?...
  119. 95 Eldo headgaskets?
  120. Only overheats when the AC or the heat is on....
  121. 06+ STS Northstar ECM repin to 07-08, new carrer and trans install
  122. Aftermarket Temp. Gauge
  123. Coolant Supply Line
  124. Idles rough after being started in the morning
  125. Best way to clean the engine bay?
  126. 2001 Cadillac DTS Can't get up to speed, power loss, studdering, See Video
  127. Tricky Coolant Leak
  128. Coming back home
  129. 2000 DHS exhaust smoking and running poor
  130. 4 Engine Questions
  131. Is this guy being honest with me? video of a SEIZED ENGINE!!!
  132. Any thoughts on this...
  133. tap for time serts
  134. Just bought a 98 Deville, was overheating, am I paranoid?
  135. 208 at 40+ 212 at <40
  136. low oil pressure
  137. Batman's Northstar
  138. Another Wont crank issue
  139. Woohoo...Head gasket repair is done
  140. 1998 Deville acceleration slip
  141. Steering joint bolt
  142. My bone stock '98 STS pulled a 14.95 in the 1/4
  143. Weird Noise
  144. Heartland High Mileage Oil Changer Review
  145. 95 sls n* solenoid clicking
  146. Interesting find
  147. Valve cover bolts???
  148. Timing mark clarification
  149. Engine in the car repair... how many gaskets?
  150. Front hydraulic motor mount
  151. I can't get the CV joint to separate from the Trans
  152. 1993 Caddillac Eldorado - Timing Chain Issue
  153. Stud Kit Success!!
  154. Ways to increase performance?
  155. Radiator leaks and engine runs rough, no codes
  156. Ethanol Blends
  157. 98 Eldorado Starting Problems
  158. Problems removing head dowels
  159. Another visit to the track
  160. 95 vs 99 Northstar
  161. Tuning up the engine.
  162. Head Gasket Repair At Your Location!
  163. Head Gasket Paranoia
  164. catalyst converter replaced
  165. 93 STS Lots of smoke after fillup
  166. Exact oil filter wrench for 1996 Seville SLS
  167. new northstar
  168. Super Noob needs help overheating
  169. Nitrous Help: 01 DTS
  170. Head gasket removal, best practices
  171. 01 deville o2's locations?
  172. Head stud kit
  173. Documenting a swap: N* 4.6 / 97 STS
  174. 2005 DTS Twin Turbo project??
  175. No pcm data
  176. No pcm data?
  177. WIll a 98 vin 9 motor go into a 94 STS
  178. another newbie HG question
  179. NEW - 2002 Head Gasket Failure - Best Fix...
  180. Failed Smog Emissions Northstar
  181. What could it be?
  182. Exchange fluids how often?
  183. Tuning thread. Disappointed, but I understand.
  184. looking to buy a Caddy
  185. AC Delco platinum plug gap settings for N*
  186. how do i get my car to northstar preformance, uh cheaply?
  187. Engine 'misses' at stoplights
  188. where to get my head gasket repaired?
  189. Engine Shaking
  190. 4.6 Prevention and maintenance for longer life IE head gaskets.
  191. How to properly switch from red to green in a 2000 STS
  192. Water Pump Issue
  193. Lucas Oil Stabilizer
  194. Rough idle and low speed chug
  195. barS headgasket repair, has anyone tried it?
  196. Secondary Air Injection Check Valve... Bent?
  197. 2000 STS motor mount help?
  198. Oil pressure dummy light flickers...
  199. Head Bolts...
  200. Slight stumble, no codes
  201. 97 Deville wont start in the morning
  202. Stud Kit Help
  203. A kitten caused my Serpentine Belt to come off
  204. Check Coolant Level
  205. Cleaning Heads and Block
  206. Over Heating... HELP!!!
  207. 2001 deville rough idle
  208. engine grounds
  209. manifold blowoff
  210. sealant for blown heads?
  211. 1994 STS Overheating (I think)...
  212. Block Identification Numbers
  213. Snapping noise when coming to a stop..Answered Finally!!!
  214. Overheating Eldorado Help
  215. need some help
  216. 05' STS. Little help with P0102 please
  217. 2000 DTS P0300 code
  218. Head gasket repair
  219. P041 1994 deville concours
  220. Quick Oil Question
  221. rough idle, no codes, rough start
  222. coolant leak
  223. STS Radiator Hose Replacement
  224. 95 Eldorado ETC - Cooling system
  225. power steering line: o-ring?
  226. broken bolt in oil pan
  227. Water pump & crossover gasket - $$$$
  228. Help Me Please
  229. Rad Cap PSI was wrong
  230. Coolant Leak. Where's it coming from?
  231. Water pump Purge line?
  232. 5w30 or 0w30
  233. Destroying a N* Engine
  234. N* engine removal - newbee
  235. 02 DHS overheating
  236. TCC Stuck Off
  237. No clue what to do. Northstar blues
  238. problem with map sensors
  239. 2001 caddy sts seville tranny
  240. What is going on with the car?
  241. Spark Plug Wires
  242. "Hush" or "Gasp" Before Expected Throttle Response
  243. my 93 ETC Eldorado N* has a question for you guys
  244. Which spark plugs to buy?
  245. Thoughts on Dex-Cool and Head Gaskets
  246. 2001 cadillac deville small hesitations
  247. Normal Operating Temperature?
  248. Intermittent starting issue 97Seville SLS
  249. Trouble finding exhaust leak 99 Deville Y motor
  250. Is 235 too hot for a N*star on hilly roads?