: HT4100 4.1, 4.5, 4.9



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  1. S10 Chevy p'up; swap in a 4.5 or 4.9?
  2. Replacing the starter on a 1987 Cadillac Eldorado with 4.1L V8
  3. 4T60-E + Ratchet Shifter
  4. 85 HT4100 smokes when shut off?
  5. Intake Gaskets
  6. Gaggle of codes, ugh!
  7. HT 4100 no oil pressure new rebuilt motor
  8. rebuilt HT 4100 no oil up top or oil pressure
  9. Opinions on my very special '93 FWD C-Body
  10. 4.1 oil leak
  11. 92 deville wont start
  12. Tunercats
  13. chugging and backfiring intermittently. No codes
  14. 1992 4.9 Coolant Mystery
  15. 90 4.5 exhaust manifold threads
  16. EGR interchange
  17. 4.9 fuel pump question
  18. The DIY Injector Test Bench
  19. Wont start please help
  20. Loss of electrical; intermittent problem
  21. Alternator
  22. Distributor Sound
  23. Tired of &^%$ injectors!
  24. egr problems?4.9
  25. Help with '91 ETC codes.
  26. ECM interchangeability and swap
  27. 1991 Deville Leaking Coolant near water pump
  28. ECM specs, where do I find them?
  29. Outside temp
  30. No oil up top, what am I missing?
  31. ECM injector driver damage?
  32. Thoughts on supercharging 4.9
  33. Anyone Need a 90 deville FSM
  34. broke down before belt came off pump and belt tensioner bracket cracked
  35. Steering
  36. getting wierd OBD I codes what is it bad computer?
  37. 4.9 ever used in a hearse?
  38. need help antifreeze leak 4.9 1993 deville
  39. ok just need some info
  40. 4.5 head gaskets
  41. Code 52.
  42. 84 Seville 4.1L with "Random Toyota Acceleration" issue
  43. cooling fan module
  44. 4.5 intake manifold gasket progress
  45. 4.9 main mearing thump getting worse?
  46. lost of power
  47. 4.9 a little jittery at idle
  48. Power brake booster vacuum hose? All Cylinders?
  49. Egr
  50. Goodwrench NEW 4.1 sticker
  51. EGR tubes and TPS question.
  52. Antifreeze on the PCV Valve
  53. Ground Locations?
  54. 4.9 Reluctant to Start, Sometimes Dies at Idle
  55. I think its the alternator
  56. how long to change all motor mounts on 93 deville
  57. Vacuum leak somewhere inside the dash
  58. What problems in removing 4.9?
  59. Spark Plugs: What do YOU run?
  60. 4.9l engine ticking noise: lifter?
  61. 4.5 or 4.9
  62. 4.5 or 4.9 Engine
  63. Pump thump
  64. Replaced intake gasket and messed something up!
  65. When I First Start The Engine...
  66. Failed emissions
  67. 89 Eldorado engine misfire
  68. Ht-4100 rwd info
  69. 4.5 V8 Underpowered? & 92-93 Deville?
  70. HT-4100 oil pan
  71. 89 deville 4.5 antifreeze leak?
  72. The screws with no size...
  73. Does a 4.5 and 4.9 share the same transmission?
  74. 93 deville passed emissions and state inspection but still getting 10MPG
  75. 1993 Cadillac Deville 4.9L computer problem (ISC problem continued)
  76. 95 Deville base 4.9 fuel pressure issues, FPR or fuel pump?
  77. Hopefull found out my problem with my 93 deville 4.9
  78. 4.5L Fuel Injectors (Aftermarket)
  79. Thinking about buying a 1997 cadillac eldorado
  80. HT4100 with serpentine belt
  81. new Tranny
  82. Serpenting belt - when to change?
  83. 1993 DeVille ISC Problem
  84. Thanks All
  85. 95 4.9l deville idle problem
  86. Throttle to the moon....
  87. 1990 Deville-- Code E41
  88. still has problems
  89. Help Diagnosing Noise
  90. Bad tps 93 deville
  91. Catalytic
  92. something loose on intake manifold?
  93. What would cause an O2 sensor to turn red?
  94. Putting Restore in my 93 Deville
  95. 93 deville problems
  96. Merry christmas!
  97. The 325-4l dipstick I broke inside fill-tube...
  98. repair shops in oakland, ca.
  99. Valves...4100
  100. Rocker Arm Guide...what?
  101. Fuel Pressure
  102. 93 Deville main bearing thump
  103. Finding Used 4.9l engine assembly's
  104. EGR Tubes clogging up
  105. Power steering pulley
  106. Distributor removal and install on 85 rwd ht4100
  107. Timing Mark bouncing around
  108. Oil Filter Analysis
  109. 91 devillle heater issue
  110. Engine knock - 4.9L w/ 90k
  111. 94 4.9 Weird Rattle Question...
  112. 88 Eldorado, Code B127, E040, No Gears
  113. Strange problem Seville 90
  114. engine shake - 91 el dorado 4.9
  115. 86 deville intake
  116. no start probs
  117. 1995 4.9 cam sync check engine??
  118. 92 Eldo 4.9 43k
  119. 90 SDV won't run, timing chain?
  120. 1991 DeVille 4.9L water pump
  121. 4.1,4.5,4.9..Which You Prefer?
  122. Cadillac mechanic
  123. did they get better?
  124. replacement power antenna
  125. Rough 4th gear
  126. How to replace motor and transmission mounts 1990 Deville 4.5L V8
  127. 1984 Coupe Engine Oil Cooler lines
  128. E48 Code- EGR FAULT
  129. Injector cleaner, will it work?
  130. 4.9 ping!!!
  131. 1990 Seville enginemiss
  132. 1990 4.5 intake gaskets
  133. Cadillac Deville 4.9l Engine Problem
  134. 4.1 L digital engine
  135. 4.1 Motor? Rattles/Engine Pinging?
  136. 4.9L head bolts 1993
  137. P048 EGR code on 4.9L
  138. What gives?
  139. The Best Kind of Motor Oil For 87 Deville HT4100
  140. i have code E52 - PCM Memory Reset how do i do this ?
  141. Gas mileage gone to hell
  142. idle faster after change timming
  143. 4.9 Power Steering Pulley Slipping
  144. 4.9 Upper a/c compressor bracket
  145. 4.9 knock
  146. high fuel consumption..?
  147. 4.9 issue...
  148. Drive belt routing for 4.9L ???
  149. 92 STS Electrical Short or Drain
  150. where to buy mounting bracket for PS pump?
  151. 1993 Sedan Deville Transmission Swap
  152. rpm question
  153. Code 26 & 41 '91 4.9
  154. Question re: engine swap for 85 FW coupe RWD
  155. 1993 Cadillac DeVille 4.9L Distributor Shot
  156. Fuel pump and FPR recommendations?
  157. Could bad motor mounts cause stumbling on light acceleration
  158. Judgement Call - No Heat 93 Deville
  159. Motor is very clean in my 4.9
  160. Cold Air Intake/Exhaust
  161. 84 eldo. antena
  162. Symptoms of faulty distributor pick up coil
  163. I finally switched from dexicool
  164. Misfire at idle and sumble under acceleration 93 4.9
  165. Refilling colant reservoir every 2 weeks, misfire at idle
  166. 4.9. Overheating (long post)
  167. 4.9 Pictures and sound clip!
  168. 84 deville 4.1 starting prob's help please
  169. 90 Seville Dies Suddenly....
  170. when should timing chain be replaced on 93 deville 4.9
  171. Motor Mount Replacement
  172. No heat at 90 degrees on climate control 93 caddy
  173. 4.1 V8 PUlleys!
  174. 93 deville sits very low in rear time for shocks and coil spring?
  175. Adding NITROUS to a 4.5
  176. Preventive maintenance ('90 with 28k miles)
  177. 4.1 Issues with 85 Eldorado -- Can you help?
  178. Best oil Mobil 1 High mileage for 93 deville 4.9 with 102,000 miles
  179. PLEASE HELP 93 DEVILLE 4.9 Stumble under light acceleration
  180. 4.9 What's the best antifreeze to use?
  181. 93 deville surging
  182. 88 ELDO new r134 Failed Twice??
  183. How reliable will my 4.9 be?
  184. Blower fan ideas wanted
  185. 90 deville front cover gasket failure
  186. New Owner with '86 Fleetwood Seventy Five Limo
  187. 4.9 Coolant overfill reservoir not draining into radiator when cold
  188. 1992 Seville 4.9 Liter Removal
  189. ht 4100 to sbc 350 motor mount pad location HELP!
  190. Brakes
  191. 93 deville oil lev
  192. Confused about seal tabs
  193. 84 eldo-4100HT
  194. HT4100 Care and Upkeep
  195. tranny sounds
  196. oil pump again
  197. Mufflers???
  198. 4.9 How long will it last?
  199. 4.5 Reliability
  200. Sawping Out a 4.9
  201. How do you convert 80's model to R134
  202. Have you used sea foam?
  203. distributor wrench
  204. 84 eldo-4100HT
  205. Coolant.
  206. 84 Eldorado Transmission Problems
  207. 1985 Eldorado 4100 engine swap
  208. Da Capts Back with his 4.9 Fiero lots of updates
  209. here we go again, A/C
  210. 84 eldo trouble
  211. help
  212. fuel meter cover gasket...
  213. Makes no sense...
  214. car stutters intermittently under med/heavy acceleration
  215. Missing Antifreeze
  216. Severe Coolant Leak 4.9
  217. peformance chips
  218. 4.9 Bosch GenIII Injector - ??Integrator, Block Learn, x-count, p.w. values??????
  219. won't idle
  220. New code?
  221. Caddy V-8 history
  222. voltage regulator...?
  223. 4.5 running rough at start -- tune up????
  224. e.g.r. valve
  225. 94 Deville Help!!
  226. map sensor
  227. 4.9 aeromotive afpr won't fit!! Help Mr. Illumna
  228. 4.9 throttle body description
  229. Emission test failed
  230. error code 20
  231. break line
  232. 1985 Eldo Gas Leaking out of the Charcoal Can
  233. Distributor Gear Sheared Again...Help!
  234. Climate control Problem???
  235. 1985 Deville Coolant Leak
  236. engine popping
  237. 91 Coupe replaced injectors now blowing smoke
  238. 1995 Deville Hi Performance Ideas anybody????
  239. 4100 vacuum diagram
  240. 4.1 belt tensioner
  241. HT 4.X base timing question
  242. 2005 4.1 PCV Valve
  243. 1985 DeVille Collant Temp Fan Light
  244. new to me 92 sdv,need some help
  245. just wondering
  246. 87 Eldo Cash for Clunker: Heresy?
  247. sudden engine probs
  248. brand new problem
  249. 94 4.9 Distributor question
  250. Plastic Radiator Side Tanks