HT4100 4.1, 4.5, 4.9 - Page 121
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HT4100 4.1, 4.5, 4.9 in Cadillac forums : Cadillac Owners Forum, This forum is to discuss the newer aluminum block Cadillac engines.
  1. Sticky Thread Sticky: Safety Safety Safety !

    Started by Stoneage_Caddy‎, 06-11-04 06:53 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 13,588
    12-15-13, 10:54 AM Go to last post
  2. Sticky Thread Sticky: The "4.9 liter turbocharger, stage 1" thread.

    Started by illumina‎, 03-12-05 12:05 AM
    16 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    • Replies: 238
    • Views: 91,116
    02-24-11, 01:56 PM Go to last post
  3. Sticky Thread Sticky: OBD I codes for 4.x Engines

    Started by DaveSmed‎, 09-20-04 01:50 AM
    • Replies: 0
    • Views: 41,921
    09-20-04, 01:50 AM Go to last post
  1. Need information on an engine rebuild

    Started by djhuhmann‎, 03-08-05 11:22 PM
    • Replies: 2
    • Views: 715
    03-09-05, 01:40 PM Go to last post
  2. 4.9 engine idle speed...

    Started by jaugustavo‎, 03-07-05 03:32 AM
    • Replies: 3
    • Views: 519
    03-08-05, 12:13 PM Go to last post
  3. Another one knockin

    Started by majax‎, 03-07-05 08:00 PM
    • Replies: 2
    • Views: 422
    03-07-05, 10:54 PM Go to last post
  4. E98 Isc?

    Started by chuckdobbins‎, 01-19-05 10:59 PM
    • Replies: 1
    • Views: 427
    03-07-05, 06:19 AM Go to last post
  5. Exclamation Dumb Tool Question?

    Started by ForrestAMDXP‎, 03-06-05 03:36 AM
    • Replies: 3
    • Views: 384
    03-07-05, 02:27 AM Go to last post
    • Replies: 4
    • Views: 935
    03-06-05, 10:47 PM Go to last post
  6. Startup problem

    Started by ja killz‎, 03-06-05 10:57 AM
    • Replies: 7
    • Views: 549
    03-06-05, 10:06 PM Go to last post
  7. Piston Rings

    Started by Spyderb‎, 03-06-05 11:51 AM
    • Replies: 1
    • Views: 391
    03-06-05, 04:27 PM Go to last post
  8. Question Intake on a Deville...

    Started by soy_chingon13‎, 03-05-05 10:30 PM
    • Replies: 3
    • Views: 573
    03-06-05, 11:06 AM Go to last post
  9. Delco vs. Others

    Started by dabeastro1‎, 03-04-05 12:52 AM
    • Replies: 5
    • Views: 528
    Kev
    03-05-05, 12:43 PM Go to last post
  10. Unhappy 4.9 knocks under load

    Started by go4it‎, 12-16-03 12:56 AM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 4,800
    03-05-05, 01:39 AM Go to last post
  11. Exclamation Will a HT4100 go into an 88 Deville?

    Started by Fleetwoodmatt‎, 03-02-05 01:12 AM
    • Replies: 5
    • Views: 501
    03-04-05, 02:53 AM Go to last post
  12. Engine Swap

    Started by Fleetwoodmatt‎, 03-01-05 01:45 PM
    • Replies: 1
    • Views: 462
    03-03-05, 10:52 PM Go to last post
  13. 90 Deville-surging, missing, after it is warmed up

    Started by youbetcha77‎, 01-31-05 09:45 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,391
    03-03-05, 01:52 PM Go to last post
  14. Accel Fuel Injectors

    Started by Trench‎, 01-29-05 05:38 AM
    • Replies: 11
    • Views: 923
    03-03-05, 01:13 AM Go to last post
  15. A little oil here and a Little oil there

    Started by youbetcha77‎, 03-02-05 12:42 AM
    • Replies: 3
    • Views: 343
    03-03-05, 12:42 AM Go to last post
  16. How do you advance timing?

    Started by Mahalaleel‎, 03-02-05 12:12 AM
    • Replies: 4
    • Views: 963
    03-02-05, 10:34 PM Go to last post
  17. Performance Mufflers for 4.9??

    Started by I~LUV~Caddys8792‎, 02-22-05 06:00 PM
    • Replies: 12
    • Views: 757
    03-02-05, 01:59 AM Go to last post
  18. Ticking

    Started by Ghost C‎, 03-01-05 09:22 PM
    • Replies: 1
    • Views: 382
    03-01-05, 11:11 PM Go to last post
  19. Got a Reply! on HT4100 TO 4500 Conversion!

    Started by ForrestAMDXP‎, 02-23-05 03:54 PM
    • Replies: 1
    • Views: 895
    03-01-05, 06:38 PM Go to last post
  20. fuel system??

    Started by SilverDeville90‎, 02-26-05 01:37 PM
    • Replies: 4
    • Views: 400
    03-01-05, 05:55 PM Go to last post
  21. ISC RPM out of Range (P030)

    Started by caddydaddy‎, 01-19-05 11:15 AM
    • Replies: 3
    • Views: 2,127
    03-01-05, 10:01 AM Go to last post
  22. 4.5 tbi- performance stuff??

    Started by punchyponcho‎, 02-16-05 01:55 AM
    • Replies: 8
    • Views: 1,254
    02-28-05, 07:00 PM Go to last post
  23. Unhappy Engine miss at highway speeds.

    Started by davidjp3‎, 02-18-05 12:01 AM
    • Replies: 3
    • Views: 938
    02-28-05, 12:30 AM Go to last post
  24. '90 DeVille 4.5L "hunts" for curb idle

    Started by mdogg1950‎, 02-27-05 11:28 PM
    • Replies: 0
    • Views: 541
    02-27-05, 11:28 PM Go to last post

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