: HT4100 4.1, 4.5, 4.9



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  1. VSS location?
  2. How do you Remove&Clean Throttle Body, engines too big to see back there.
  3. No More Poop On Coupe ! Yea !
  4. 88 eldo 4.5 running temp and code E027 ?'s
  5. 93 Seville radiator fan
  6. PO41 No Cam reference Signal - broke down on trip
  7. Is the exhaust layout identical per the 1983 and 1984 DeVille 4.1 V8
  8. Aftermarket Cat
  9. Why doesn't an '84 DeVille F'ING show up on most of the online catalogs?
  10. What's the most universal oil filter wrench you have used?
  11. 91' deville
  12. 90 deville water pump?
  13. time for a tune up.. whats involved.
  14. Oil Pressure Light just came on - 4.1 V-8!
  15. CAN you change oil filter withOUT draining oil pan?
  16. 83 coupe 4100 ( 4.1) injector problems
  17. Slow Battery Drain
  18. 4.5 liter misfiring on acceleration, rough idle
  19. HT4100 EGR schematics needed to figure out smog issue, BAD F'ING NEWS
  20. Change of Plans! I'm not supercharging anything...
  21. torque convertors for teh 4t60
  22. BARO on 4.9?
  23. Knocking/Rattling From Engine
  24. injector duty cycle
  25. Dangers of flsuhing HT4100 with motor Flush and Supertech oil.
  26. Fuel pressure
  27. Newbie needs help with 87 seville 4.1L
  28. Can A 4.1 Trans be Used in a Long?...
  29. anyone know????
  30. 4.1 wiring from distributor to plugs HELP ASAP
  31. 84 Eldorado 4.1 V8 (HT4100) "E" engine, M57 tranny, Noise from lower end
  32. remove power steering pulley
  33. coolant temperature
  34. GM Reliability Testing?
  35. 84 SDV RWD 4.1 Intake gasket
  36. Is single 3" exhaust too big for a 4.1L @ 200 HP?
  37. Fuel Injector Replacement
  38. HELP!! 91 Eldo stalling problem
  39. used E C M ... from junk yard
  40. How much booooooooost PSI can these 4.1's take? What gives in under pressure?
  41. Bad ECU?(BBOB)
  42. WHAT THE **** IS EVERYONE's FAVORITE MUFFLER/CAT Pipe SETUP?
  43. 4.9 oil pump in 4.5?
  44. does ECU prevent engine braking
  45. What The Hell Is That Thing!?!?!?!
  46. Cleaning and tune up junk on an 88 4.5L deville
  47. 1990 Deville won't start HELP
  48. What kind of Exhaust systems do the 84 SDV 4.1Liter motors like to breath through?
  49. Took a Vid in my 91 Deville
  50. Knocking in the 4.9
  51. 94 deville questions
  52. Best way to flush system (84 HT4100 SDV)
  53. Info on GM Goodwrench replacement engine, HT4100
  54. And Yet Another ISC Motor Question
  55. Car has no spark
  56. idle rpm
  57. Oil leak
  58. 1990 4.5l air system problem
  59. Oxygen Sensor Broke?
  60. plug wires??
  61. isc motor question
  62. HT 4100 Replacement Source?
  63. 4.5L Valve Pinging / Clattering
  64. problem while coasting
  65. Rough Idle, 87 4.1 Eldorado
  66. What water??
  67. throwing my belt off
  68. Which models come with the 4.9 V8?
  69. Rough running 92 Eldo
  70. 4100 D F I injector problems... looking for solutions
  71. 4.9 codes
  72. Best way to clean my throttle body?
  73. 85 Eldorado 4.1 help!!
  74. Engine Oil Questions - Bboby
  75. Finally. . .Solved Intake Backfire
  76. Whats The AVG MPG Readout for this forum
  77. Engine Idles 10 Seconds AFTER Ignition Shut-Off!!
  78. Weird 4.9 noise (not in archives)
  79. what kinda maintenance should i do
  80. Bbob...Whats the difference!?!
  81. Grounds Anyone?
  82. Ht4100 Backfires Out Of Fuel Injection
  83. Check Fuel Pump Amps draw ? Bob ?
  84. 90 Deville code help
  85. Starts hard when it gets hot
  86. Gas milage back, more power, more smooth..
  87. Rpm/idle Problems
  88. Oil Filter Capacity?
  89. Getting a Attitude Again-missing
  90. Is There a good quick fix for oil consumption?
  91. looking for opinions on best oil/synthetic to use in a 4.1
  92. I Don't Even Know Where To Start
  93. 93 Deville Experts Please e26 239 e47 e97 e98 f32 stalls
  94. Fastest 4.9 Ever?
  95. 93 Sedan 4.9 F32, archives no help
  96. Change spark PLugs
  97. good compression
  98. Where on the Web can I Find AC Delco Spark Plugs Cheap
  99. Changed Oil Pan Gasket, Still Leaking (4.1)
  100. Cam sensor replacement?
  101. Oil drain plug stuck on 4.5!
  102. i want to make sure
  103. Looking for used v-8 intake
  104. Fuel Economy and Engine Power
  105. 85 seville transmission
  106. Rotella coolant.
  107. Noise Under Hood When Turning Ignition On and Off
  108. Coolant Pellets? How Many?
  109. 1990 bcm code e-47
  110. please help
  111. 4-9 Fuel Pump Psi
  112. Engine Knock
  113. help my overheat um i think
  114. Is this the same knock as the 4.9 knock? It is an HT4100
  115. 4.9 valve cover
  116. Porting on HT4100's
  117. 4.5L Idle Problem Solved!! Thanks, bbobynski
  118. 84 deville died, won't restart ht4100
  119. surging power
  120. Air Management System Problem
  121. '85 Deville running rich
  122. 4.9 60k knock gone!!!!!!!!!!!!!!!!!
  123. Install Separate Thermostatic Fan Control?
  124. 4.1 Eldorado Oil Pan Gasket Change; MAJOR PAIN!
  125. Anyone Need a HT 4100
  126. questions on 4.9l v8
  127. '92 4.9 Stalling after transmission rebuild
  128. Fuel Injectors 94 Deville 4.9L
  129. 4.9L compatable with small block???
  130. 92 seville performance help
  131. Bbob- Open Loop Better Than Closed??
  132. 86 Seville 4.1 advice re removal of water pump
  133. GM parts vs Aftermarket- HT4100
  134. Where's the ALDL on my 88 Deville?
  135. Tranny Woes
  136. 4.9 with 60K knocking, please help!!!!!!!!!!!
  137. ISC Motor &TPS/E30 code
  138. To ILLUMINA!!! RE Performance Parts for 4.9
  139. Transmission
  140. Cleaned egr tubes
  141. 95 deville blown head gasket
  142. Question About Changing Water Pump
  143. Purchased 1984 Sedan Deville
  144. stock 4.9 intake to allante intake comparison
  145. What kind of problems do you get if you have a F32 code
  146. Amsoil for 4.9
  147. 93 weirdo miss
  148. Mixing oils...
  149. What Is A PCM?
  150. What is a BCM?
  151. Redline/Tachometer
  152. HT4100 "Base Timing Mode"
  153. A few 4.x questions
  154. 4.x dyno and comparison questions
  155. '90 Deville 4.5 idle problems
  156. 200R4 slipping real bad
  157. 88 Deville...E30 & EE30 code
  158. 4 prong spark plugs on 4.5
  159. Idle Speed Control Unit
  160. Does Anyone have F codes for a 93 deville
  161. thermostat
  162. Computer/wiring on 4.1L to 4.5L swap
  163. 1988 Deville Fast idle problems 4.5L
  164. 4.5--->4.9? (maybe more)
  165. HT4100 0-60 times!
  166. tranny slipping and e39 vcc
  167. Cheap HPs?
  168. Help!!!My caddy flunked the emmissions test
  169. 92 Help!!!
  170. Left or Right Bank Fuel Imbalance
  171. Engine Misses when cold
  172. The "4.9 liter turbocharger, stage 1" thread.
  173. code19
  174. Code E30 ( NO DASH!!! )
  175. 93 DeVille failed IL CO and HC emissions - need help
  176. Water
  177. OK the 4.9 ECU mods thread ,lets go!
  178. Need information on an engine rebuild
  179. how do i use the codes
  180. intake question
  181. advanced timing
  182. Another one knockin
  183. egr valve
  184. 4.9 engine idle speed...
  185. Blown Head Gasket maybe?????
  186. Ht4100 Flowmaster Sound Clip!!!!!!!
  187. Lucas oil treatment?
  188. Piston Rings
  189. Startup problem
  190. Dumb Tool Question?
  191. Intake on a Deville...
  192. now what ?
  193. EDAHALL! How do i post sound clips of my FLOWMASTER 40 SERIES delta with the HT4100
  194. Delco vs. Others
  195. Needle in a haystack E53
  196. Will a HT4100 go into an 88 Deville?
  197. A little oil here and a Little oil there
  198. How do you advance timing?
  199. 4.9L '92 Knocking...or missing, help!
  200. Ticking
  201. Rebuilding an HT4100
  202. Engine Swap
  203. Timing Questions...
  204. '90 DeVille 4.5L "hunts" for curb idle
  205. What is most likely source of oil leak?
  206. fuel system??
  207. collectors,bbob anyone,long term storage
  208. Trouble with O2 Sensor
  209. Oil Light
  210. Engine Oil Additive to stop leaks?!?
  211. Got a Reply! on HT4100 TO 4500 Conversion!
  212. Performance Mufflers for 4.9??
  213. Mobil 1 Extended Performance? BBob!
  214. Code 33 Help!!!!
  215. Engine Idle and "almost" stalling problems
  216. Boosting HT4100 Performance
  217. Benefit of using higher mileage vehicle oil?
  218. Exhaust Condensation
  219. bad throttle response
  220. timing newbbb
  221. Does it ever Stop!!!Tuned up and Tuned out
  222. Engine miss at highway speeds.
  223. Mind boggler engine noise
  224. 91 4.9 Excessive Fuel Consumption
  225. 4.5 tbi- performance stuff??
  226. new to me 85 coupe Deville
  227. HELP! 1990 seville shifts to 3rd and freewheels
  228. Engine reliability?
  229. Rough Idle and Missing...
  230. 1992 DeVille Misfiring, or something.
  231. Bad computer? Maybe
  232. air pump to fan to crunk v belt
  233. Can 4.1 be replaced with 305 fuel Injected?
  234. AMAZING fix for hesitation, bad milage
  235. Issues with vacuum lines, Battery light, all in this issue of the 2dfx PMS Thread!
  236. coolant temp light???
  237. 4.9 Fuel Filter clogging...
  238. cadillac eldorado 1991 4.9
  239. ISC Unpluged , wont idle
  240. Loose EGR tube
  241. HT4100 swap. 4.5 or 4.9?
  242. Typical Driveability Problem - 90 Deville
  243. Engine Fire!!! Why Me???
  244. dieseling HT4100....
  245. '82 Eldo Engine dying out, Backfiring through throttle body--Bbobynski please help!!!
  246. intermittent problemn
  247. Sparkplugs
  248. Whats The Best Oil for the HT4100???
  249. Need Help
  250. car running rough now