: 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. Engine Misses when cold
  2. The "4.9 liter turbocharger, stage 1" thread.
  3. code19
  4. Code E30 ( NO DASH!!! )
  5. 93 DeVille failed IL CO and HC emissions - need help
  6. Water
  7. OK the 4.9 ECU mods thread ,lets go!
  8. Need information on an engine rebuild
  9. how do i use the codes
  10. intake question
  11. advanced timing
  12. Another one knockin
  13. egr valve
  14. 4.9 engine idle speed...
  15. Blown Head Gasket maybe?????
  16. Ht4100 Flowmaster Sound Clip!!!!!!!
  17. Lucas oil treatment?
  18. Piston Rings
  19. Startup problem
  20. Dumb Tool Question?
  21. Intake on a Deville...
  22. now what ?
  23. EDAHALL! How do i post sound clips of my FLOWMASTER 40 SERIES delta with the HT4100
  24. Delco vs. Others
  25. Needle in a haystack E53
  26. Will a HT4100 go into an 88 Deville?
  27. A little oil here and a Little oil there
  28. How do you advance timing?
  29. 4.9L '92 Knocking...or missing, help!
  30. Ticking
  31. Rebuilding an HT4100
  32. Engine Swap
  33. Timing Questions...
  34. '90 DeVille 4.5L "hunts" for curb idle
  35. What is most likely source of oil leak?
  36. fuel system??
  37. collectors,bbob anyone,long term storage
  38. Trouble with O2 Sensor
  39. Oil Light
  40. Engine Oil Additive to stop leaks?!?
  41. Got a Reply! on HT4100 TO 4500 Conversion!
  42. Performance Mufflers for 4.9??
  43. Mobil 1 Extended Performance? BBob!
  44. Code 33 Help!!!!
  45. Engine Idle and "almost" stalling problems
  46. Boosting HT4100 Performance
  47. Benefit of using higher mileage vehicle oil?
  48. Exhaust Condensation
  49. bad throttle response
  50. timing newbbb
  51. Does it ever Stop!!!Tuned up and Tuned out
  52. Engine miss at highway speeds.
  53. Mind boggler engine noise
  54. 91 4.9 Excessive Fuel Consumption
  55. 4.5 tbi- performance stuff??
  56. new to me 85 coupe Deville
  57. HELP! 1990 seville shifts to 3rd and freewheels
  58. Engine reliability?
  59. Rough Idle and Missing...
  60. 1992 DeVille Misfiring, or something.
  61. Bad computer? Maybe
  62. air pump to fan to crunk v belt
  63. Can 4.1 be replaced with 305 fuel Injected?
  64. AMAZING fix for hesitation, bad milage
  65. Issues with vacuum lines, Battery light, all in this issue of the 2dfx PMS Thread!
  66. coolant temp light???
  67. 4.9 Fuel Filter clogging...
  68. cadillac eldorado 1991 4.9
  69. ISC Unpluged , wont idle
  70. Loose EGR tube
  71. HT4100 swap. 4.5 or 4.9?
  72. Typical Driveability Problem - 90 Deville
  73. Engine Fire!!! Why Me???
  74. dieseling HT4100....
  75. '82 Eldo Engine dying out, Backfiring through throttle body--Bbobynski please help!!!
  76. intermittent problemn
  77. Sparkplugs
  78. Whats The Best Oil for the HT4100???
  79. Need Help
  80. car running rough now
  81. my baby is sick again , why ??????
  82. Eldorado 4.1 motor problem
  83. Minor tune up
  84. '82 vs. '83 Eldo ECM--ARE THEY INTERCHANGEABLE?!? HELP!!!!
  85. Stupid question for smart people.
  86. Will 4.5 exhaust manifolds fit the HT4100?
  87. '85 eldo 4.1 head leak
  88. OIL Leak??????
  89. 95 deville temp.
  90. 3 questions for all you experts.
  91. 1986 4.1 rebuiled upgrades for more reliability.
  92. Idle Relearn Debate
  93. Fuel Filter Location - 85 Deville (Front Wheel)
  94. HT4100 FLOWMASTER 40series delta flow sound clip
  95. 85 Deville 4100 - Problems Galore
  96. Change Oil Light
  97. compatibility part 2
  98. Please REad need answer ASAP
  99. READ THIS ONE! \/\/ high idle
  100. 90 Deville-surging, missing, after it is warmed up
  101. ECM killing the Injectors?
  102. Someone tell me what a 'transaxle range switch' is!
  103. Electrical problem. Car won't start.
  104. my baby is sick and wont get better :(
  105. Thinking about replacing the 4.9L
  106. Accel Fuel Injectors
  107. I have 2 questions.
  108. Subtle rattling noise possibly from transmission
  109. Redline/shiftpoints for 4.5
  110. two questions pedal and ...
  111. valve spring rates
  112. I wanna know as many 0-60 times as possible!!
  113. Performance Parts for 4.9
  114. 92 Sedan Deville
  115. Car runs hot during long trips
  116. Radiator woes...
  117. How Many of You With Dead Injectors??
  118. 4.9 /Northstar
  119. Coolant shelf life?? No good after 2 years?
  120. compatibility???
  121. Exhaust Options? (photos)
  122. engine oil supplement ?
  123. 4.5 Engine: one dead others dying
  124. air intake mod?
  125. 4100 dual exhaust anyone????
  126. 93 deville heating problem
  127. E98 Isc?
  128. well
  129. High Mileage 4.9L Problems (desperate help needed)
  130. Missing Oil Pump O-ring On Ht4100
  131. 4.9l Deville e41 troubleshooting
  132. ISC RPM out of Range (P030)
  133. Clicking sound from valve covers?
  134. Oh no! trannys slipping
  135. 4.9L Drain Plug Leaking after Coolant Flush -- Help!
  136. 4.9 in rwd configuration?
  137. Fuel Pressure Regulator location?
  138. 4.9L engine low power
  139. here is a good one
  140. rocker arm pivot support
  141. new engine
  142. valve lifter?
  143. please dont be head gasket!!
  144. Starter Removal
  145. module needs ground?
  146. 4.1 vs 4.9
  147. well damn
  148. 4.9 Misfire
  149. P012 bad hall sensor or pick up coil?
  150. Rebuilt Ht4100 With Less Power
  151. Coolant drain locations for a 4.9 (93 SDV)
  152. Metal hose running into side of cat, what is it?
  153. Pulled plugs and compression test *pics*
  154. rip of cat conv and egr??
  155. 4100 coolant capacity
  156. 4.5L A.I.R. Error Code
  157. Increasing Horsepower in 1992 Deville
  158. 4100 Help!!!
  159. Just craps out when I give it gas
  160. He said my cams were out of time....
  161. 4.9 bearing thump
  162. Final Choice: Dynomax SuperTurbos VS. Summit Turbos
  163. Knocking when I give gas to the engine Any one know?!!!
  164. 1991 Cadillac Deville Misfiring
  165. 4.1 engine weight and application ?
  166. Timing advance and still run on MidGrade??
  167. 1990 Eldorado water pump removal help
  168. junkyard ht4100
  169. 1989 4.5L no start when cold. At witts end
  170. Engine runs poorly
  171. 4.5 Engine Woes
  172. Do it right once ....Never see it again
  173. 84Eldo 4.1 won't start
  174. 4.9 Died Again
  175. 4.9L Volcano!!!!
  176. Now I'm getting code 38! What gives?
  177. '84 4.1 running VERY rich, PLEASE HELP!!!!
  178. E30 on Fleetwood 1990
  179. Need Some Help
  180. What's this coming or going out of my cat. converter?
  181. Draining ALL the coolant!!
  182. What's the name of the device (?pump?) under on my 86 deville
  183. car running rich messing up oxygen sensor!
  184. no oil pressure
  185. 90 4.5 Runs Great till it warms up then brakes up.
  186. 4100 tuneing
  187. Engine has a hard time running
  188. i had it out with the cooling system today
  189. temperature erratic
  190. 95 4.9L #7 Cylinder dead, Injector?
  191. 4.9 Cylinder head removal questions
  192. Coolant change.Time or mileage dependant?
  193. Anti-Freeze Coming out of Heater?(fogging up windows)
  194. i changed everything almost ugghh
  195. 4.9L build-up
  196. stuck valve?
  197. I Need a bolt can you help me?
  198. update on my '82
  199. E39 Vcc
  200. WTF is going on!!!(engine runnin crazy!)
  201. 4.1 Low compression
  202. OBD code
  203. popping from carb..
  204. 1984 Having Coooold Start Problems.
  205. won't start when hot
  206. 4100 Heads For Sale
  207. [B][U]4.9 L Performance, 10" Round Air Cleaner[/B][/U]
  208. Head Gaskets or Complete Valve Job
  209. 4100 head bolts
  210. Now this is really weird to me!
  211. 84' seville timing
  212. 4.9 no longer starts
  213. ht4100 loosing power and e codes
  214. 4.1 running rich
  215. Car surges when accelerating
  216. 4.9 HEI ignition
  217. 93 eldorado vs. 92 coupe deville
  218. 4.5 Pinging
  219. Air Mix Door problem code F40
  220. Caddi still not starting
  221. 95 Deville 4.9, Low oil pressure warning
  222. im so cold
  223. Fuel lines
  224. '93 DeVille Gas Mileage Questions
  225. Question for Kcnewell
  226. my '85 FWB died on the interstate...fuel pump?
  227. throttle body cleaning????
  228. another sickening creation of mine!
  229. Coolant supplement
  230. backfiring in park
  231. 4.5 oil pan-bolts gone pan stays on
  232. Crazy overheating problem
  233. Weird Problem
  234. Need to find honest and expert mechanic in Saint Louis Help
  235. 84 Eldorado engine overheating problem
  236. Resurection of a '94 4.9--Advice please!
  237. Jr Shift kit 1-2 rpm shift? but my rebuilt transmission seems great :)
  238. 4.9 low oil pressure warning after head gaskets
  239. Backfiring from the start
  240. I really need help on this.... engine overall performs better, gas millage bad...
  241. 4.9l Engine Knocks when Started
  242. MYSTERY 94'deville water pump
  243. Rattling Rattling Rattling !!
  244. 89 Fleetwood no problems with overheating then 3 days ago leaking antifreeze......
  245. 90-92 350 TBI into 80's Fleetwood Brougham ?
  246. Possible northstar upgrade?
  247. Ignition module failing?
  248. plug wire confusion
  249. please help 4100 problem
  250. advice