: HT4100 4.1, 4.5, 4.9



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  1. 89 STS torques to one side
  2. 88 eldorado 4.5 help please
  3. 4.9 water pump bolting question?
  4. 1992 Cadillac Sedan DeVille O2 Sensors
  5. 90 Eldo w/4.5 PROJECT CAR - Advice Desired
  6. fuel injector question
  7. It's the smog pump
  8. Removing/Reinstalling Accelerator Pedal
  9. Risks of Ethanol?
  10. 4.1 compression
  11. replaced water pump/wont start
  12. proper oil for 88 sedan deville
  13. Warmed up engine FLOWMASTER 40series DELTA FLOW clip
  14. Brake cleaner - does it miff the engine gaskets?
  15. 94 Deville 4.9L ...P030 and some other codes....
  16. New to the forum....
  17. Who sells a good CA legal catalytic conv. ?? - We have very strict Smog tests here.
  18. Are these holes in the airfilter housing supposed to have something... '84 HT4100 TBI
  19. New Deville Clips
  20. 84 cadillac seville chargeing problem
  21. 1992 sedan deville head gaskets?
  22. 92 Deville Starter heat shied
  23. 4.5 intake gasket
  24. VSS location?
  25. How do you Remove&Clean Throttle Body, engines too big to see back there.
  26. No More Poop On Coupe ! Yea !
  27. 88 eldo 4.5 running temp and code E027 ?'s
  28. 93 Seville radiator fan
  29. PO41 No Cam reference Signal - broke down on trip
  30. Is the exhaust layout identical per the 1983 and 1984 DeVille 4.1 V8
  31. Aftermarket Cat
  32. Why doesn't an '84 DeVille F'ING show up on most of the online catalogs?
  33. What's the most universal oil filter wrench you have used?
  34. 91' deville
  35. 90 deville water pump?
  36. time for a tune up.. whats involved.
  37. Oil Pressure Light just came on - 4.1 V-8!
  38. CAN you change oil filter withOUT draining oil pan?
  39. 83 coupe 4100 ( 4.1) injector problems
  40. Slow Battery Drain
  41. 4.5 liter misfiring on acceleration, rough idle
  42. HT4100 EGR schematics needed to figure out smog issue, BAD F'ING NEWS
  43. Change of Plans! I'm not supercharging anything...
  44. torque convertors for teh 4t60
  45. BARO on 4.9?
  46. Knocking/Rattling From Engine
  47. injector duty cycle
  48. Dangers of flsuhing HT4100 with motor Flush and Supertech oil.
  49. Fuel pressure
  50. Newbie needs help with 87 seville 4.1L
  51. Can A 4.1 Trans be Used in a Long?...
  52. anyone know????
  53. 4.1 wiring from distributor to plugs HELP ASAP
  54. 84 Eldorado 4.1 V8 (HT4100) "E" engine, M57 tranny, Noise from lower end
  55. remove power steering pulley
  56. coolant temperature
  57. GM Reliability Testing?
  58. 84 SDV RWD 4.1 Intake gasket
  59. Is single 3" exhaust too big for a 4.1L @ 200 HP?
  60. Fuel Injector Replacement
  61. HELP!! 91 Eldo stalling problem
  62. used E C M ... from junk yard
  63. How much booooooooost PSI can these 4.1's take? What gives in under pressure?
  64. Bad ECU?(BBOB)
  65. WHAT THE **** IS EVERYONE's FAVORITE MUFFLER/CAT Pipe SETUP?
  66. 4.9 oil pump in 4.5?
  67. does ECU prevent engine braking
  68. What The Hell Is That Thing!?!?!?!
  69. Cleaning and tune up junk on an 88 4.5L deville
  70. 1990 Deville won't start HELP
  71. What kind of Exhaust systems do the 84 SDV 4.1Liter motors like to breath through?
  72. Took a Vid in my 91 Deville
  73. Knocking in the 4.9
  74. 94 deville questions
  75. Best way to flush system (84 HT4100 SDV)
  76. Info on GM Goodwrench replacement engine, HT4100
  77. And Yet Another ISC Motor Question
  78. Car has no spark
  79. idle rpm
  80. Oil leak
  81. 1990 4.5l air system problem
  82. Oxygen Sensor Broke?
  83. plug wires??
  84. isc motor question
  85. HT 4100 Replacement Source?
  86. 4.5L Valve Pinging / Clattering
  87. problem while coasting
  88. Rough Idle, 87 4.1 Eldorado
  89. What water??
  90. throwing my belt off
  91. Which models come with the 4.9 V8?
  92. Rough running 92 Eldo
  93. 4100 D F I injector problems... looking for solutions
  94. 4.9 codes
  95. Best way to clean my throttle body?
  96. 85 Eldorado 4.1 help!!
  97. Engine Oil Questions - Bboby
  98. Finally. . .Solved Intake Backfire
  99. Whats The AVG MPG Readout for this forum
  100. Engine Idles 10 Seconds AFTER Ignition Shut-Off!!
  101. Weird 4.9 noise (not in archives)
  102. what kinda maintenance should i do
  103. Bbob...Whats the difference!?!
  104. Grounds Anyone?
  105. Ht4100 Backfires Out Of Fuel Injection
  106. Check Fuel Pump Amps draw ? Bob ?
  107. 90 Deville code help
  108. Starts hard when it gets hot
  109. Gas milage back, more power, more smooth..
  110. Rpm/idle Problems
  111. Oil Filter Capacity?
  112. Getting a Attitude Again-missing
  113. Is There a good quick fix for oil consumption?
  114. looking for opinions on best oil/synthetic to use in a 4.1
  115. I Don't Even Know Where To Start
  116. 93 Deville Experts Please e26 239 e47 e97 e98 f32 stalls
  117. Fastest 4.9 Ever?
  118. 93 Sedan 4.9 F32, archives no help
  119. Change spark PLugs
  120. good compression
  121. Where on the Web can I Find AC Delco Spark Plugs Cheap
  122. Changed Oil Pan Gasket, Still Leaking (4.1)
  123. Cam sensor replacement?
  124. Oil drain plug stuck on 4.5!
  125. i want to make sure
  126. Looking for used v-8 intake
  127. Fuel Economy and Engine Power
  128. 85 seville transmission
  129. Rotella coolant.
  130. Noise Under Hood When Turning Ignition On and Off
  131. Coolant Pellets? How Many?
  132. 1990 bcm code e-47
  133. please help
  134. 4-9 Fuel Pump Psi
  135. Engine Knock
  136. help my overheat um i think
  137. Is this the same knock as the 4.9 knock? It is an HT4100
  138. 4.9 valve cover
  139. Porting on HT4100's
  140. 4.5L Idle Problem Solved!! Thanks, bbobynski
  141. 84 deville died, won't restart ht4100
  142. surging power
  143. Air Management System Problem
  144. '85 Deville running rich
  145. 4.9 60k knock gone!!!!!!!!!!!!!!!!!
  146. Install Separate Thermostatic Fan Control?
  147. 4.1 Eldorado Oil Pan Gasket Change; MAJOR PAIN!
  148. Anyone Need a HT 4100
  149. questions on 4.9l v8
  150. '92 4.9 Stalling after transmission rebuild
  151. Fuel Injectors 94 Deville 4.9L
  152. 4.9L compatable with small block???
  153. 92 seville performance help
  154. Bbob- Open Loop Better Than Closed??
  155. 86 Seville 4.1 advice re removal of water pump
  156. GM parts vs Aftermarket- HT4100
  157. Where's the ALDL on my 88 Deville?
  158. Tranny Woes
  159. 4.9 with 60K knocking, please help!!!!!!!!!!!
  160. ISC Motor &TPS/E30 code
  161. To ILLUMINA!!! RE Performance Parts for 4.9
  162. Transmission
  163. Cleaned egr tubes
  164. 95 deville blown head gasket
  165. Question About Changing Water Pump
  166. Purchased 1984 Sedan Deville
  167. stock 4.9 intake to allante intake comparison
  168. What kind of problems do you get if you have a F32 code
  169. Amsoil for 4.9
  170. 93 weirdo miss
  171. Mixing oils...
  172. What Is A PCM?
  173. What is a BCM?
  174. Redline/Tachometer
  175. HT4100 "Base Timing Mode"
  176. A few 4.x questions
  177. 4.x dyno and comparison questions
  178. '90 Deville 4.5 idle problems
  179. 200R4 slipping real bad
  180. 88 Deville...E30 & EE30 code
  181. 4 prong spark plugs on 4.5
  182. Idle Speed Control Unit
  183. Does Anyone have F codes for a 93 deville
  184. thermostat
  185. Computer/wiring on 4.1L to 4.5L swap
  186. 1988 Deville Fast idle problems 4.5L
  187. 4.5--->4.9? (maybe more)
  188. HT4100 0-60 times!
  189. tranny slipping and e39 vcc
  190. Cheap HPs?
  191. Help!!!My caddy flunked the emmissions test
  192. 92 Help!!!
  193. Left or Right Bank Fuel Imbalance
  194. Engine Misses when cold
  195. The "4.9 liter turbocharger, stage 1" thread.
  196. code19
  197. Code E30 ( NO DASH!!! )
  198. 93 DeVille failed IL CO and HC emissions - need help
  199. Water
  200. OK the 4.9 ECU mods thread ,lets go!
  201. Need information on an engine rebuild
  202. how do i use the codes
  203. intake question
  204. advanced timing
  205. Another one knockin
  206. egr valve
  207. 4.9 engine idle speed...
  208. Blown Head Gasket maybe?????
  209. Ht4100 Flowmaster Sound Clip!!!!!!!
  210. Lucas oil treatment?
  211. Piston Rings
  212. Startup problem
  213. Dumb Tool Question?
  214. Intake on a Deville...
  215. now what ?
  216. EDAHALL! How do i post sound clips of my FLOWMASTER 40 SERIES delta with the HT4100
  217. Delco vs. Others
  218. Needle in a haystack E53
  219. Will a HT4100 go into an 88 Deville?
  220. A little oil here and a Little oil there
  221. How do you advance timing?
  222. 4.9L '92 Knocking...or missing, help!
  223. Ticking
  224. Rebuilding an HT4100
  225. Engine Swap
  226. Timing Questions...
  227. '90 DeVille 4.5L "hunts" for curb idle
  228. What is most likely source of oil leak?
  229. fuel system??
  230. collectors,bbob anyone,long term storage
  231. Trouble with O2 Sensor
  232. Oil Light
  233. Engine Oil Additive to stop leaks?!?
  234. Got a Reply! on HT4100 TO 4500 Conversion!
  235. Performance Mufflers for 4.9??
  236. Mobil 1 Extended Performance? BBob!
  237. Code 33 Help!!!!
  238. Engine Idle and "almost" stalling problems
  239. Boosting HT4100 Performance
  240. Benefit of using higher mileage vehicle oil?
  241. Exhaust Condensation
  242. bad throttle response
  243. timing newbbb
  244. Does it ever Stop!!!Tuned up and Tuned out
  245. Engine miss at highway speeds.
  246. Mind boggler engine noise
  247. 91 4.9 Excessive Fuel Consumption
  248. 4.5 tbi- performance stuff??
  249. new to me 85 coupe Deville
  250. HELP! 1990 seville shifts to 3rd and freewheels