: HT4100 4.1, 4.5, 4.9



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  1. can the 4.5 handle and 50-75 shot of nitrous
  2. tps................. help!
  3. Took off the belt and its not the waterpump making noise..need help
  4. EGR Malfunction -- Please Help
  5. Waterpump Replacement
  6. Muffler pictures
  7. Throttle position sensor question
  8. advancing the timing question
  9. Vibrating noise around throttle body
  10. 4.9 spark knock
  11. Muffler
  12. Changed coolant without pellets; what to do??
  13. injectors
  14. 94 sedan deville serpentine belt
  15. How hard to replace radiator out of 92 Deville?
  16. Crack in exhaust manifold
  17. Help Plz
  18. Re:Eldo 403FI swap w/MEGASQUIRT ?
  19. Turns out I have a bad water pump.
  20. replacing 4.1 with chevy 5.0
  21. 4.9 leaking oil?
  22. gaskets, paint, parts cleaner
  23. ht 4100 4.1 swap to a 4.9
  24. Questions About Eldorado Country site/info ---403FI swap
  25. 87 DeVille 36k ori. miles
  26. Codes are back!
  27. HP gains from no cat?
  28. 91 deville oxygen sensor(s) location
  29. 1988 deville fuel pump harness question
  30. 1990 SDV tranny- Please help
  31. 88 eldo Special fuel line tool?
  32. Car make caveman brain hurt
  33. Need help with front main bearing!
  34. Surging/cutting out? 1991 Deville 4.9
  35. Gasket to Oil line connector in Radiator.
  36. OH-NO!! The dreaded 4.1 "knocking".
  37. Bbob - Don't flush trans
  38. 94 deville , distrib will be turned the wrong way soon
  39. 93 Caddy seville 4.9
  40. Octane booster/ fuel saver
  41. Rough running (4.1) and ditrib question
  42. engine almost plucked
  43. Replacing Water Pump Too Often
  44. Like illumina said "or that pesky gm module"
  45. to chip or not to chip???
  46. Rebuilding my '88 THM440-T4 ie 4t60
  47. exhaust sound when it rains
  48. Slight Problem, need help
  49. Timming a '85 RWD 4.1...
  50. My mechanic recommended not using bars leak sealant?
  51. quiet, thoaty exhaust
  52. Do you have to set timing after change distributor and cap?
  53. procharger supercharger?
  54. Oil Adapter Hose Fittings
  55. Car won't start; noticed no spark at plug
  56. 90devilleguy, a question about your Muffler!
  57. smog pump replacement 4.5
  58. 83 Eldo Touring 4.1 Engine HELP
  59. 4.9L seville stall/restart problem
  60. Hot starting idling
  61. 4.9 family no hot start issue fix
  62. New to Forum seeking Info in 83 Eldo 4.1 swap and trans
  63. 1990 Cadillac Fleetwood 4.5 FWD
  64. Car cuts Off
  65. another issue (gas guzzler)
  66. part II to my car starting mystery
  67. Trouble codes
  68. car cut off and didn't start until the next day
  69. 1988 Cad SDV motor mounts
  70. 92 STS Engine Stall at low speed...HELP !
  71. Hey aguthmiller I have a few questions
  72. Water in the Oil ... How can it get there?
  73. Will new distributor cap and rotor make car run better?
  74. 94 Deville 4.9 Part Throttle Ping
  75. 92 4.9L Engine Reassembly - my heads are off and engine is in car.
  76. water in oil - Broke down on trip in Coffee Springs Alabama
  77. stuttering problem at idle
  78. 4.5 for 4.1 swap
  79. Got myself an 82 Coupe Deville, having some probs..
  80. 90 sedan deville right blinker acting up
  81. Will top end cleaning be good or bad for an engine with 130K on it??
  82. ALDL location
  83. Best swap for 4.1?
  84. What should I expect for my 0-60
  85. Fuel Pump circuit problem 84 Brougham
  86. 1984 Sedan DeVille over 200,000 miles?
  87. 90 Seville, Code E041
  88. **TH440 - 4.5 FWD - Trans **
  89. 89 4.5 deville overheated
  90. Flowmaster Muffler Installation Pics
  91. 4T60E Leak , ENOUGH IS ENOUGH !!
  92. 90 deville 4.5 125k doggin on freeway
  93. Aftermarket for 4.9?
  94. 4.1 Driveability Problem
  95. Code 44 on '85 Fleetwood Brougham
  96. What's Wrong with My Cadillac?
  97. 4.1/4.5 pros and cons?
  98. Oil leak from under car!
  99. Still having 4.9 idle down problems
  100. 4.9 Vs Northstar
  101. 4.9 emergency..broke something
  102. How hard is it to change the distributor cap and rotor on the 4.9??
  103. HT 4100 Diagnostic Codes
  104. 1989 Eldo help
  105. 4.1 engine timing!! Help...
  106. Engine Swap thoughts!
  107. '85 Fleetwood Brougham 4100
  108. AC won't blow!!!!
  109. Best Oil For HT 4100
  110. how do i enter set timing mode
  111. how to disable traction control on 92 deville?
  112. Muscle car pancake air filter
  113. 4T60 Transaxle or 4T60E what's the diff.
  114. How do I clean the throttle body?
  115. help...change oil soon light on
  116. HT 4100 Engine is it that bad
  117. Tune Ups
  118. Is it hard to find the4 pin plug on tranny?
  119. Woe Is Me!
  120. exhaust venting in cabin
  121. Help with timing advance....
  122. Need Help from Bangkok, Thailand
  123. Quick Timing Question
  124. Voltage out of range(E16), BBOB??
  125. 4.9 muffler for sound
  126. Transmission Fliud Change
  127. More for the Premium 93 vs 89 Debate
  128. Help for83 Fleetwwod
  129. Radiator cooling fan
  130. 4.5 Heads
  131. engine timing in 92 Eldorado
  132. Serious surging.
  133. experiment...MPG...ACTUAL vs. COMPUTER
  134. Service Engine Light Comming on.
  135. Improving Handling
  136. 4.9 cadillac external upgrades
  137. 4.9 deville boring sleeves
  138. So much for putting off the waterpump job
  139. '92 Seville 4.9 questions
  140. 92 ETC:Type of Power Steering Fluid?
  141. 95 Deville No Spark
  142. my cars exhaust sound from inside the car
  143. service sss
  144. lever on seat? 83 eldo
  145. '89 Deville valve cover gasket replacement
  146. car sounds like a lawnmower!!!!
  147. 1992 4.9 with code E46
  148. Where to buy Trans Pan Gasket and Trans Filter w/Gasket
  149. Computer Chip--Shift Kit--Or B&M Shift Plus??
  150. catalytic converter
  151. power steering
  152. 4100 up keep.
  153. z max
  154. transmission modulator
  155. Engine Metal Temperature Switch
  156. F85 error?
  157. Flow Charts?????????????
  158. 90 backfires
  159. Silver and Red V8 PFI engine paint chipping.
  160. 85 fleet fwd trans modulator location?
  161. 1984 , 1985 eldo convertible
  162. Error code 27
  163. 4.1 to 4.9 swap
  164. Searched codes for the first time and I need help.
  165. error E46 where to start?
  166. 1992 Eldorado 4.9l A/C Help...
  167. Error code E31 (93 Deville 4.9L)
  168. 4.9 air filter question...
  169. please help
  170. 88 4.5 Coupe Deville
  171. Rough Idle, stalls and hesitations, but...
  172. Need Help with BarsLeak and Radiator drain!
  173. '92 4.9 operating temp
  174. Engine etc.
  175. Distributor Cap
  176. Car is running rich
  177. 4.1 oil capacity
  178. no heat in cab + overheating
  179. My 88 Sedan Deville, HELP!!!
  180. Removing Alternator On 91 4.9
  181. 4.9 Battery Cables?
  182. Performance Muffler - Ideas?
  183. Should I flush tranny at 52K????
  184. Need Allante Parts - HELP
  185. 251 Belt Problems? Alternator/Fan not working.
  186. 4.1 no start
  187. 4.9:Emission Fail, High HC
  188. Cooling System Pressure Test
  189. 4.9 cam specs.
  190. Requesting 4.5 89' Info
  191. 1988 Eldo fuel tank swap
  192. AC duct rattle
  193. 4.5 running like poop
  194. New Electric "Turbo" not supercharger!
  195. coolant leak in 94 sedan deville (4.9)
  196. a few error codes
  197. She rufuses to be fixed
  198. 4.9 in a 85 fiero with caddy trans
  199. ISC motor acts sticky
  200. egr questions
  201. 88 Coupe deVille backfire
  202. Codes E01-E11, E95?
  203. Self Sticky - 4.9 Engine History and Changes
  204. smog pump adjustment
  205. new to forum
  206. engine missing
  207. 4.9 Idling fast and intermittent service light
  208. Interesting comparison.....
  209. Help! Caddy died and won't start
  210. popping sound when 4.9 is being raced....
  211. performance parts
  212. Injectors & Struts...
  213. 4.5L - 155hp, 180hp, 200hp variants and questions!
  214. power steering pulley
  215. 4.9 better than Northstar?
  216. ht 4100 question
  217. 1990 Deville E98
  218. transmission use
  219. Silent Performance Muffler
  220. Po85
  221. idle speed change?
  222. Cooling Fan Fault?
  223. What to do on a tune up to the 4.9?
  224. Transmission Oil Leak
  225. '90 Deville Speed Sensor.
  226. Nut down the distributor hole
  227. Trans Question 93 4.9 seville
  228. 350 SBC swap pics for DeVillish....
  229. 4.5 engine ticking noise???
  230. 4.5PFI Tune-up tips?
  231. 1990 Fleetwood to a 4.9 or N*
  232. 1985 Fleetwood FWD 4100
  233. tubes in throttle body
  234. Car shuts off after idle for 40 min
  235. ACDelco filter
  236. 1991 Fleetwood 4.9 high speed power loss
  237. Remote oil filter for 4.9 ?
  238. low oil pressure light
  239. 4.9 performance upgrades ?
  240. Premium fuel?
  241. How to find the leaky injector
  242. Cleaning the throttle body on a 4.9
  243. Spark plug removal on a 93 SDV
  244. Fuel Pump on 1990 deville
  245. 1991 Seville pics and questions
  246. Nylon or Metal timeing chain?
  247. im new here but here goes...
  248. '85 Fleetwood Brougham High Idel
  249. No fuel delivery to '87 Biaritz
  250. Better performance out of my 4.5?