: HT4100 4.1, 4.5, 4.9



Pages : 1 2 3 4 5 6 7 8 9 10 11 [12] 13 14 15 16

  1. And Yet Another ISC Motor Question
  2. Car has no spark
  3. idle rpm
  4. Oil leak
  5. 1990 4.5l air system problem
  6. Oxygen Sensor Broke?
  7. plug wires??
  8. isc motor question
  9. HT 4100 Replacement Source?
  10. 4.5L Valve Pinging / Clattering
  11. problem while coasting
  12. Rough Idle, 87 4.1 Eldorado
  13. What water??
  14. throwing my belt off
  15. Which models come with the 4.9 V8?
  16. Rough running 92 Eldo
  17. 4100 D F I injector problems... looking for solutions
  18. 4.9 codes
  19. Best way to clean my throttle body?
  20. 85 Eldorado 4.1 help!!
  21. Engine Oil Questions - Bboby
  22. Finally. . .Solved Intake Backfire
  23. Whats The AVG MPG Readout for this forum
  24. Engine Idles 10 Seconds AFTER Ignition Shut-Off!!
  25. Weird 4.9 noise (not in archives)
  26. what kinda maintenance should i do
  27. Bbob...Whats the difference!?!
  28. Grounds Anyone?
  29. Ht4100 Backfires Out Of Fuel Injection
  30. Check Fuel Pump Amps draw ? Bob ?
  31. 90 Deville code help
  32. Starts hard when it gets hot
  33. Gas milage back, more power, more smooth..
  34. Rpm/idle Problems
  35. Oil Filter Capacity?
  36. Getting a Attitude Again-missing
  37. Is There a good quick fix for oil consumption?
  38. looking for opinions on best oil/synthetic to use in a 4.1
  39. I Don't Even Know Where To Start
  40. 93 Deville Experts Please e26 239 e47 e97 e98 f32 stalls
  41. Fastest 4.9 Ever?
  42. 93 Sedan 4.9 F32, archives no help
  43. Change spark PLugs
  44. good compression
  45. Where on the Web can I Find AC Delco Spark Plugs Cheap
  46. Changed Oil Pan Gasket, Still Leaking (4.1)
  47. Cam sensor replacement?
  48. Oil drain plug stuck on 4.5!
  49. i want to make sure
  50. Looking for used v-8 intake
  51. Fuel Economy and Engine Power
  52. 85 seville transmission
  53. Rotella coolant.
  54. Noise Under Hood When Turning Ignition On and Off
  55. Coolant Pellets? How Many?
  56. 1990 bcm code e-47
  57. please help
  58. 4-9 Fuel Pump Psi
  59. Engine Knock
  60. help my overheat um i think
  61. Is this the same knock as the 4.9 knock? It is an HT4100
  62. 4.9 valve cover
  63. Porting on HT4100's
  64. 4.5L Idle Problem Solved!! Thanks, bbobynski
  65. 84 deville died, won't restart ht4100
  66. surging power
  67. Air Management System Problem
  68. '85 Deville running rich
  69. 4.9 60k knock gone!!!!!!!!!!!!!!!!!
  70. Install Separate Thermostatic Fan Control?
  71. 4.1 Eldorado Oil Pan Gasket Change; MAJOR PAIN!
  72. Anyone Need a HT 4100
  73. questions on 4.9l v8
  74. '92 4.9 Stalling after transmission rebuild
  75. Fuel Injectors 94 Deville 4.9L
  76. 4.9L compatable with small block???
  77. 92 seville performance help
  78. Bbob- Open Loop Better Than Closed??
  79. 86 Seville 4.1 advice re removal of water pump
  80. GM parts vs Aftermarket- HT4100
  81. Where's the ALDL on my 88 Deville?
  82. Tranny Woes
  83. 4.9 with 60K knocking, please help!!!!!!!!!!!
  84. ISC Motor &TPS/E30 code
  85. To ILLUMINA!!! RE Performance Parts for 4.9
  86. Transmission
  87. Cleaned egr tubes
  88. 95 deville blown head gasket
  89. Question About Changing Water Pump
  90. Purchased 1984 Sedan Deville
  91. stock 4.9 intake to allante intake comparison
  92. What kind of problems do you get if you have a F32 code
  93. Amsoil for 4.9
  94. 93 weirdo miss
  95. Mixing oils...
  96. What Is A PCM?
  97. What is a BCM?
  98. Redline/Tachometer
  99. HT4100 "Base Timing Mode"
  100. A few 4.x questions
  101. 4.x dyno and comparison questions
  102. '90 Deville 4.5 idle problems
  103. 200R4 slipping real bad
  104. 88 Deville...E30 & EE30 code
  105. 4 prong spark plugs on 4.5
  106. Idle Speed Control Unit
  107. Does Anyone have F codes for a 93 deville
  108. thermostat
  109. Computer/wiring on 4.1L to 4.5L swap
  110. 1988 Deville Fast idle problems 4.5L
  111. 4.5--->4.9? (maybe more)
  112. HT4100 0-60 times!
  113. tranny slipping and e39 vcc
  114. Cheap HPs?
  115. Help!!!My caddy flunked the emmissions test
  116. 92 Help!!!
  117. Left or Right Bank Fuel Imbalance
  118. Engine Misses when cold
  119. The "4.9 liter turbocharger, stage 1" thread.
  120. code19
  121. Code E30 ( NO DASH!!! )
  122. 93 DeVille failed IL CO and HC emissions - need help
  123. Water
  124. OK the 4.9 ECU mods thread ,lets go!
  125. Need information on an engine rebuild
  126. how do i use the codes
  127. intake question
  128. advanced timing
  129. Another one knockin
  130. egr valve
  131. 4.9 engine idle speed...
  132. Blown Head Gasket maybe?????
  133. Ht4100 Flowmaster Sound Clip!!!!!!!
  134. Lucas oil treatment?
  135. Piston Rings
  136. Startup problem
  137. Dumb Tool Question?
  138. Intake on a Deville...
  139. now what ?
  140. EDAHALL! How do i post sound clips of my FLOWMASTER 40 SERIES delta with the HT4100
  141. Delco vs. Others
  142. Needle in a haystack E53
  143. Will a HT4100 go into an 88 Deville?
  144. A little oil here and a Little oil there
  145. How do you advance timing?
  146. 4.9L '92 Knocking...or missing, help!
  147. Ticking
  148. Rebuilding an HT4100
  149. Engine Swap
  150. Timing Questions...
  151. '90 DeVille 4.5L "hunts" for curb idle
  152. What is most likely source of oil leak?
  153. fuel system??
  154. collectors,bbob anyone,long term storage
  155. Trouble with O2 Sensor
  156. Oil Light
  157. Engine Oil Additive to stop leaks?!?
  158. Got a Reply! on HT4100 TO 4500 Conversion!
  159. Performance Mufflers for 4.9??
  160. Mobil 1 Extended Performance? BBob!
  161. Code 33 Help!!!!
  162. Engine Idle and "almost" stalling problems
  163. Boosting HT4100 Performance
  164. Benefit of using higher mileage vehicle oil?
  165. Exhaust Condensation
  166. bad throttle response
  167. timing newbbb
  168. Does it ever Stop!!!Tuned up and Tuned out
  169. Engine miss at highway speeds.
  170. Mind boggler engine noise
  171. 91 4.9 Excessive Fuel Consumption
  172. 4.5 tbi- performance stuff??
  173. new to me 85 coupe Deville
  174. HELP! 1990 seville shifts to 3rd and freewheels
  175. Engine reliability?
  176. Rough Idle and Missing...
  177. 1992 DeVille Misfiring, or something.
  178. Bad computer? Maybe
  179. air pump to fan to crunk v belt
  180. Can 4.1 be replaced with 305 fuel Injected?
  181. AMAZING fix for hesitation, bad milage
  182. Issues with vacuum lines, Battery light, all in this issue of the 2dfx PMS Thread!
  183. coolant temp light???
  184. 4.9 Fuel Filter clogging...
  185. cadillac eldorado 1991 4.9
  186. ISC Unpluged , wont idle
  187. Loose EGR tube
  188. HT4100 swap. 4.5 or 4.9?
  189. Typical Driveability Problem - 90 Deville
  190. Engine Fire!!! Why Me???
  191. dieseling HT4100....
  192. '82 Eldo Engine dying out, Backfiring through throttle body--Bbobynski please help!!!
  193. intermittent problemn
  194. Sparkplugs
  195. Whats The Best Oil for the HT4100???
  196. Need Help
  197. car running rough now
  198. my baby is sick again , why ??????
  199. Eldorado 4.1 motor problem
  200. Minor tune up
  201. '82 vs. '83 Eldo ECM--ARE THEY INTERCHANGEABLE?!? HELP!!!!
  202. Stupid question for smart people.
  203. Will 4.5 exhaust manifolds fit the HT4100?
  204. '85 eldo 4.1 head leak
  205. OIL Leak??????
  206. 95 deville temp.
  207. 3 questions for all you experts.
  208. 1986 4.1 rebuiled upgrades for more reliability.
  209. Idle Relearn Debate
  210. Fuel Filter Location - 85 Deville (Front Wheel)
  211. HT4100 FLOWMASTER 40series delta flow sound clip
  212. 85 Deville 4100 - Problems Galore
  213. Change Oil Light
  214. compatibility part 2
  215. Please REad need answer ASAP
  216. READ THIS ONE! \/\/ high idle
  217. 90 Deville-surging, missing, after it is warmed up
  218. ECM killing the Injectors?
  219. Someone tell me what a 'transaxle range switch' is!
  220. Electrical problem. Car won't start.
  221. my baby is sick and wont get better :(
  222. Thinking about replacing the 4.9L
  223. Accel Fuel Injectors
  224. I have 2 questions.
  225. Subtle rattling noise possibly from transmission
  226. Redline/shiftpoints for 4.5
  227. two questions pedal and ...
  228. valve spring rates
  229. I wanna know as many 0-60 times as possible!!
  230. Performance Parts for 4.9
  231. 92 Sedan Deville
  232. Car runs hot during long trips
  233. Radiator woes...
  234. How Many of You With Dead Injectors??
  235. 4.9 /Northstar
  236. Coolant shelf life?? No good after 2 years?
  237. compatibility???
  238. Exhaust Options? (photos)
  239. engine oil supplement ?
  240. 4.5 Engine: one dead others dying
  241. air intake mod?
  242. 4100 dual exhaust anyone????
  243. 93 deville heating problem
  244. E98 Isc?
  245. well
  246. High Mileage 4.9L Problems (desperate help needed)
  247. Missing Oil Pump O-ring On Ht4100
  248. 4.9l Deville e41 troubleshooting
  249. ISC RPM out of Range (P030)
  250. Clicking sound from valve covers?