: HT4100 4.1, 4.5, 4.9



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