: HT4100 4.1, 4.5, 4.9



Pages : 1 2 3 4 5 6 7 8 9 10 11 12 [13] 14 15 16 17

  1. Code E30 ( NO DASH!!! )
  2. 93 DeVille failed IL CO and HC emissions - need help
  3. Water
  4. OK the 4.9 ECU mods thread ,lets go!
  5. Need information on an engine rebuild
  6. how do i use the codes
  7. intake question
  8. advanced timing
  9. Another one knockin
  10. egr valve
  11. 4.9 engine idle speed...
  12. Blown Head Gasket maybe?????
  13. Ht4100 Flowmaster Sound Clip!!!!!!!
  14. Lucas oil treatment?
  15. Piston Rings
  16. Startup problem
  17. Dumb Tool Question?
  18. Intake on a Deville...
  19. now what ?
  20. EDAHALL! How do i post sound clips of my FLOWMASTER 40 SERIES delta with the HT4100
  21. Delco vs. Others
  22. Needle in a haystack E53
  23. Will a HT4100 go into an 88 Deville?
  24. A little oil here and a Little oil there
  25. How do you advance timing?
  26. 4.9L '92 Knocking...or missing, help!
  27. Ticking
  28. Rebuilding an HT4100
  29. Engine Swap
  30. Timing Questions...
  31. '90 DeVille 4.5L "hunts" for curb idle
  32. What is most likely source of oil leak?
  33. fuel system??
  34. collectors,bbob anyone,long term storage
  35. Trouble with O2 Sensor
  36. Oil Light
  37. Engine Oil Additive to stop leaks?!?
  38. Got a Reply! on HT4100 TO 4500 Conversion!
  39. Performance Mufflers for 4.9??
  40. Mobil 1 Extended Performance? BBob!
  41. Code 33 Help!!!!
  42. Engine Idle and "almost" stalling problems
  43. Boosting HT4100 Performance
  44. Benefit of using higher mileage vehicle oil?
  45. Exhaust Condensation
  46. bad throttle response
  47. timing newbbb
  48. Does it ever Stop!!!Tuned up and Tuned out
  49. Engine miss at highway speeds.
  50. Mind boggler engine noise
  51. 91 4.9 Excessive Fuel Consumption
  52. 4.5 tbi- performance stuff??
  53. new to me 85 coupe Deville
  54. HELP! 1990 seville shifts to 3rd and freewheels
  55. Engine reliability?
  56. Rough Idle and Missing...
  57. 1992 DeVille Misfiring, or something.
  58. Bad computer? Maybe
  59. air pump to fan to crunk v belt
  60. Can 4.1 be replaced with 305 fuel Injected?
  61. AMAZING fix for hesitation, bad milage
  62. Issues with vacuum lines, Battery light, all in this issue of the 2dfx PMS Thread!
  63. coolant temp light???
  64. 4.9 Fuel Filter clogging...
  65. cadillac eldorado 1991 4.9
  66. ISC Unpluged , wont idle
  67. Loose EGR tube
  68. HT4100 swap. 4.5 or 4.9?
  69. Typical Driveability Problem - 90 Deville
  70. Engine Fire!!! Why Me???
  71. dieseling HT4100....
  72. '82 Eldo Engine dying out, Backfiring through throttle body--Bbobynski please help!!!
  73. intermittent problemn
  74. Sparkplugs
  75. Whats The Best Oil for the HT4100???
  76. Need Help
  77. car running rough now
  78. my baby is sick again , why ??????
  79. Eldorado 4.1 motor problem
  80. Minor tune up
  81. '82 vs. '83 Eldo ECM--ARE THEY INTERCHANGEABLE?!? HELP!!!!
  82. Stupid question for smart people.
  83. Will 4.5 exhaust manifolds fit the HT4100?
  84. '85 eldo 4.1 head leak
  85. OIL Leak??????
  86. 95 deville temp.
  87. 3 questions for all you experts.
  88. 1986 4.1 rebuiled upgrades for more reliability.
  89. Idle Relearn Debate
  90. Fuel Filter Location - 85 Deville (Front Wheel)
  91. HT4100 FLOWMASTER 40series delta flow sound clip
  92. 85 Deville 4100 - Problems Galore
  93. Change Oil Light
  94. compatibility part 2
  95. Please REad need answer ASAP
  96. READ THIS ONE! \/\/ high idle
  97. 90 Deville-surging, missing, after it is warmed up
  98. ECM killing the Injectors?
  99. Someone tell me what a 'transaxle range switch' is!
  100. Electrical problem. Car won't start.
  101. my baby is sick and wont get better :(
  102. Thinking about replacing the 4.9L
  103. Accel Fuel Injectors
  104. I have 2 questions.
  105. Subtle rattling noise possibly from transmission
  106. Redline/shiftpoints for 4.5
  107. two questions pedal and ...
  108. valve spring rates
  109. I wanna know as many 0-60 times as possible!!
  110. Performance Parts for 4.9
  111. 92 Sedan Deville
  112. Car runs hot during long trips
  113. Radiator woes...
  114. How Many of You With Dead Injectors??
  115. 4.9 /Northstar
  116. Coolant shelf life?? No good after 2 years?
  117. compatibility???
  118. Exhaust Options? (photos)
  119. engine oil supplement ?
  120. 4.5 Engine: one dead others dying
  121. air intake mod?
  122. 4100 dual exhaust anyone????
  123. 93 deville heating problem
  124. E98 Isc?
  125. well
  126. High Mileage 4.9L Problems (desperate help needed)
  127. Missing Oil Pump O-ring On Ht4100
  128. 4.9l Deville e41 troubleshooting
  129. ISC RPM out of Range (P030)
  130. Clicking sound from valve covers?
  131. Oh no! trannys slipping
  132. 4.9L Drain Plug Leaking after Coolant Flush -- Help!
  133. 4.9 in rwd configuration?
  134. Fuel Pressure Regulator location?
  135. 4.9L engine low power
  136. here is a good one
  137. rocker arm pivot support
  138. new engine
  139. valve lifter?
  140. please dont be head gasket!!
  141. Starter Removal
  142. module needs ground?
  143. 4.1 vs 4.9
  144. well damn
  145. 4.9 Misfire
  146. P012 bad hall sensor or pick up coil?
  147. Rebuilt Ht4100 With Less Power
  148. Coolant drain locations for a 4.9 (93 SDV)
  149. Metal hose running into side of cat, what is it?
  150. Pulled plugs and compression test *pics*
  151. rip of cat conv and egr??
  152. 4100 coolant capacity
  153. 4.5L A.I.R. Error Code
  154. Increasing Horsepower in 1992 Deville
  155. 4100 Help!!!
  156. Just craps out when I give it gas
  157. He said my cams were out of time....
  158. 4.9 bearing thump
  159. Final Choice: Dynomax SuperTurbos VS. Summit Turbos
  160. Knocking when I give gas to the engine Any one know?!!!
  161. 1991 Cadillac Deville Misfiring
  162. 4.1 engine weight and application ?
  163. Timing advance and still run on MidGrade??
  164. 1990 Eldorado water pump removal help
  165. junkyard ht4100
  166. 1989 4.5L no start when cold. At witts end
  167. Engine runs poorly
  168. 4.5 Engine Woes
  169. Do it right once ....Never see it again
  170. 84Eldo 4.1 won't start
  171. 4.9 Died Again
  172. 4.9L Volcano!!!!
  173. Now I'm getting code 38! What gives?
  174. '84 4.1 running VERY rich, PLEASE HELP!!!!
  175. E30 on Fleetwood 1990
  176. Need Some Help
  177. What's this coming or going out of my cat. converter?
  178. Draining ALL the coolant!!
  179. What's the name of the device (?pump?) under on my 86 deville
  180. car running rich messing up oxygen sensor!
  181. no oil pressure
  182. 90 4.5 Runs Great till it warms up then brakes up.
  183. 4100 tuneing
  184. Engine has a hard time running
  185. i had it out with the cooling system today
  186. temperature erratic
  187. 95 4.9L #7 Cylinder dead, Injector?
  188. 4.9 Cylinder head removal questions
  189. Coolant change.Time or mileage dependant?
  190. Anti-Freeze Coming out of Heater?(fogging up windows)
  191. i changed everything almost ugghh
  192. 4.9L build-up
  193. stuck valve?
  194. I Need a bolt can you help me?
  195. update on my '82
  196. E39 Vcc
  197. WTF is going on!!!(engine runnin crazy!)
  198. 4.1 Low compression
  199. OBD code
  200. popping from carb..
  201. 1984 Having Coooold Start Problems.
  202. won't start when hot
  203. 4100 Heads For Sale
  204. [B][U]4.9 L Performance, 10" Round Air Cleaner[/B][/U]
  205. Head Gaskets or Complete Valve Job
  206. 4100 head bolts
  207. Now this is really weird to me!
  208. 84' seville timing
  209. 4.9 no longer starts
  210. ht4100 loosing power and e codes
  211. 4.1 running rich
  212. Car surges when accelerating
  213. 4.9 HEI ignition
  214. 93 eldorado vs. 92 coupe deville
  215. 4.5 Pinging
  216. Air Mix Door problem code F40
  217. Caddi still not starting
  218. 95 Deville 4.9, Low oil pressure warning
  219. im so cold
  220. Fuel lines
  221. '93 DeVille Gas Mileage Questions
  222. Question for Kcnewell
  223. my '85 FWB died on the interstate...fuel pump?
  224. throttle body cleaning????
  225. another sickening creation of mine!
  226. Coolant supplement
  227. backfiring in park
  228. 4.5 oil pan-bolts gone pan stays on
  229. Crazy overheating problem
  230. Weird Problem
  231. Need to find honest and expert mechanic in Saint Louis Help
  232. 84 Eldorado engine overheating problem
  233. Resurection of a '94 4.9--Advice please!
  234. Jr Shift kit 1-2 rpm shift? but my rebuilt transmission seems great :)
  235. 4.9 low oil pressure warning after head gaskets
  236. Backfiring from the start
  237. I really need help on this.... engine overall performs better, gas millage bad...
  238. 4.9l Engine Knocks when Started
  239. MYSTERY 94'deville water pump
  240. Rattling Rattling Rattling !!
  241. 89 Fleetwood no problems with overheating then 3 days ago leaking antifreeze......
  242. 90-92 350 TBI into 80's Fleetwood Brougham ?
  243. Possible northstar upgrade?
  244. Ignition module failing?
  245. plug wire confusion
  246. please help 4100 problem
  247. advice
  248. 4.5 no heat
  249. 4.1 Runnin a Little Hot at Idle
  250. I hope it's not too late!