: HT4100 4.1, 4.5, 4.9



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  1. Trans Question 93 4.9 seville
  2. 350 SBC swap pics for DeVillish....
  3. 4.5 engine ticking noise???
  4. 4.5PFI Tune-up tips?
  5. 1990 Fleetwood to a 4.9 or N*
  6. 1985 Fleetwood FWD 4100
  7. tubes in throttle body
  8. Car shuts off after idle for 40 min
  9. ACDelco filter
  10. 1991 Fleetwood 4.9 high speed power loss
  11. Remote oil filter for 4.9 ?
  12. low oil pressure light
  13. 4.9 performance upgrades ?
  14. Premium fuel?
  15. How to find the leaky injector
  16. Cleaning the throttle body on a 4.9
  17. Spark plug removal on a 93 SDV
  18. Fuel Pump on 1990 deville
  19. 1991 Seville pics and questions
  20. Nylon or Metal timeing chain?
  21. im new here but here goes...
  22. '85 Fleetwood Brougham High Idel
  23. No fuel delivery to '87 Biaritz
  24. Better performance out of my 4.5?
  25. '89 SD 4.5 Diag. code E59, nowhere to be found.
  26. 1992 Eldorado Belt Size HELP! 4.9l
  27. Cadillac code check...
  28. $.1 motor
  29. to fix 1 or the other
  30. Caddy problems
  31. Is there a 4.9L NOS Kit?
  32. idiot lights.....
  33. i need help
  34. front pulley torque
  35. More 4.9 issues
  36. what are the best spark plugs?
  37. Engine Dyagnostic Codes
  38. information center
  39. Oil Leak 91 Eldorado 4.9
  40. idle speed adjustment
  41. Best oil filter?
  42. My errors have returned, inexplicibly. Help.
  43. DMV high emitter profile 4100 engine
  44. question on 91-up caddys with 4.9 engine
  45. Dual Output Muffler on a 91 Deville
  46. Cracked Manifold
  47. 10W40 oil is a bad weight?
  48. Dynomax Super Turbo
  49. Anyone have any luck With "Performance Modules"
  50. New To 4.9s And Have A few ?s
  51. 1990 TPS relearn procedure . . .
  52. engine backfires out of throtle body
  53. 88 eldo 4.5, changed the intake gasket yesterday!!
  54. Oil leak 4.5 engine 91 Allante
  55. Motor oil brand
  56. Coolant Leak Fixed- Now Running Rough After Warmup
  57. HELP Failed Emissions!!
  58. 87 deville stalls after a few mins of driving..
  59. I need Info soon
  60. 1986 Coupe DeVille w/ HT4100 V8
  61. 4.5 reliability + durability
  62. Porting your intake....
  63. 91 seville codes
  64. What engine and box can replace 4.1?
  65. 4.1 Autobox advice needed
  66. dealer shocks with 4.9 "information"
  67. Clearing codes on a '90 Fleetwood FWD
  68. Stalling 93 Seviile
  69. My 90's got sensor issues (and a glowing Cat Conv)
  70. 89 sedan deville major problem
  71. 4.5 is just a bigger 4.1? PLUS - BarsLeak or not?
  72. Hard to start below 0 F
  73. 82 4100 front crank oil leak
  74. 1992 Seville High Idle??
  75. Low Oil Pressure - 84 Eldo
  76. Computer Codes and Stereo Questions
  77. didn't pass emissions???
  78. Cooling Problems
  79. My '87 Deville is not running good when warm
  80. Oxygen Sensors - 1993 4.9
  81. Chips
  82. 4.5L V8 engine block leaking?
  83. Best way to use GM top end cleaner in the 4.9?
  84. 94 4.9L S-belt idlers blown - help!!
  85. 4.9L Injectors
  86. Tune up - do I have a distributor cap and rotor?
  87. 4.9 knocks under load
  88. 4.9l V8 Sfi Ohv 16v
  89. such a....BAD vibration..
  90. Can I use any coolant in my 4.9?
  91. 1995 Deville... ONLY 28K miles.... HELP
  92. NO Heat - Deville '87
  93. What can I do to make my 4.9 run like new??
  94. What kind of mpg should I be getting in my 92 4.9?
  95. Diesel engine smell on a 90 Deville
  96. HT4100 strange coolant problem
  97. Significant V4.9 engine vibration at 1300-1600 RPM
  98. Egr!!!
  99. Need 90 SDV 4.5 Idle Reset Procedure & Diag Codes
  100. Replacing HT4100 FWD
  101. Hmmmm
  102. wheres the fuel pump on my 87..?
  103. Allante Intakes
  104. Return-to-idle switch
  105. PC interface for 1994 ???
  106. low oil pressure light
  107. Low oil pressure light when breaking
  108. 92 Deville 4.9L..how many O2 sensors.
  109. 4.9 fuel injection questions
  110. Water pump change
  111. car just stalled..not starting..oil light
  112. 85 deville low idle
  113. 1991 4.9 hesitation problem
  114. oil /STOP light and "smokey" oil on 87 caddy...
  115. code E40..power steering pressure switch..anyone else with the same problem?
  116. 4.5 oil pan removal
  117. EGR Pipe Leak
  118. HELP!! Before I kill my car!
  119. HP on a 4.9L
  120. Bad gas mileage
  121. Oil pan removal 89 Coupe Deville
  122. Iac
  123. Engine swap Question, Want to dump 4100.
  124. My car runs like POOP!!
  125. 4.9 Oil Leak
  126. Recurring misfire/injector problem?
  127. isc relearn
  128. 4.9L Idle Problem
  129. Open and closed loop
  130. stalling
  131. Cadillac engine in Sand Rail
  132. oil pressure switch on 82' 4100
  133. Running Rough After Tune Up???
  134. '87 Deville with oil light on..while in idle...help please!
  135. 4.9 Headgaskets
  136. Solved What I thought was an exhaust rattle
  137. Exhaust/Tailpipe Question
  138. 4.9 Liter Performance
  139. 4.5 fwd to chevy 350
  140. no power /bad mileage
  141. missing 4100 engine, 1988
  142. I'm trying to save a Seville from the crusher
  143. Swapping 4100 for 307. Any advice?
  144. Deville runs rough under 11 gallons of gas
  145. Engine shutter on expressway
  146. 1989 caddy surging
  147. 1988 Seville (oil-le3aks)
  148. 86 Deville,swap 4.1 for 4.9.....
  149. performance exhaust for 4.9
  150. Interestingly Odd Problem!
  151. Deville 4.9 Intake Mods?
  152. BIG problem with the AIR system.....
  153. Ran rough for one minute, then gone!??
  154. What a stupid place for an oil filter!!
  155. best oil for high mileage 4.9
  156. RPM at idle for 1987 cadillac eldorado
  157. 4100 service now light
  158. 89 Cadillac Deville
  159. 1990 Allante won't start
  160. Heater core replaced, now AC line is freezing
  161. Disappearing coolant
  162. O2 sensor
  163. Oh No!!!!! Blown 4.9 Headgasket !!!!
  164. how to/ Tune up
  165. Help!! 95 Deville Fuel Inj Test
  166. 4.9 performance
  167. 92 Eldo Problems
  168. Need info on the fuel injection system on the 4100
  169. car problems
  170. firing order
  171. stripped cylinder head bolt hole on a 4.9L
  172. Newbie looking for HT4100 info
  173. Need 4.9 info.
  174. Oil Leak, 92, 4.9
  175. New member needs some help
  176. Trouble Shooting
  177. Bosch Fuel Injectors
  178. '94 Deville4.9L idles rough !
  179. Where is the fuel filter on a 90 Coupe DeVille??
  180. Engine Swaps and Expense
  181. 4.9 bearing thump
  182. Doss
  183. Recurring Cooling Problems - any ideas?
  184. Need Advise on ISC Adjustment
  185. 4.9 aftermarket (possibly)
  186. 4.9L and HEI help!
  187. 4.9 life expectancy
  188. Dead DeVille Aftermath!
  189. anyone with a GM manual ????angie????
  190. disable traction control
  191. Help! DeVille is dying!
  192. 4.5 vs. 4.9.... Allante....questions......
  193. check your egr tubes 4.9 bruthas
  194. 1984 4.1 liter waterpump
  195. H.E.I. Help Needed
  196. Low speed hesitation on pull away.
  197. 4.9 liter question
  198. bad EGR valve=poor mpg?
  199. 4.9 crappy milage
  200. More 4.9 Stall Problems!
  201. 4.9 jiggles
  202. injectors for '90 Deville
  203. 4.9 Stall Problem
  204. 1990 4.5 Deville rough idle/miss
  205. Service Code E30
  206. 4.9 performance
  207. What's so great about the 4.9 engine?
  208. 4.9 Serpentine Belt
  209. deck the heads?
  210. Leaky but good engine
  211. free power??
  212. 4.9 Performance Help
  213. Error Codes--please help
  214. throttle angle
  215. 1993 Deville
  216. 4.5 performance parts