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Forum: Throttle Bodies

Throttle Bodies & Related Components

  1. Used TBI unit

    Started by 1leg, 03-07-2010 08:33 PM
    • Replies: 2
    • Views: 7,903
    03-09-2010, 07:17 PM Go to last post
  2. Pro-Jection 502-20S misinformation (MAP sensor)?

    Started by skimask, 04-20-2010 12:14 AM
    • Replies: 3
    • Views: 8,601
    04-25-2010, 06:55 AM Go to last post
  3. 1st Gen Pro-Jection problems

    Started by Colotow, 03-11-2010 10:38 PM
    • Replies: 6
    • Views: 21,642
    08-15-2010, 06:45 PM Go to last post
  4. Used Pro-Jection Trouble

    Started by mustangtoby, 09-12-2010 07:17 PM
    • Replies: 7
    • Views: 13,639
    09-21-2010, 12:44 AM Go to last post
  5. Help me ID this Pro-Jection throttle body

    Started by jeepfreek, 11-30-2010 11:12 PM
    • Replies: 5
    • Views: 9,088
    12-03-2010, 07:30 AM Go to last post
  6. Problems with a Pro-Jection 4Di setup

    Started by 4di guy, 12-23-2010 10:19 AM
    • Replies: 2
    • Views: 10,403
    12-25-2010, 12:38 PM Go to last post
  7. Bigger injectors available for original 502-20S?

    Started by macx, 12-31-2010 04:39 PM
    • Replies: 1
    • Views: 4,534
    01-01-2011, 10:29 AM Go to last post
  8. Can fuel pressure be increased?

    Started by macx, 01-01-2011 02:57 AM
    • Replies: 3
    • Views: 5,764
    01-04-2011, 10:03 AM Go to last post
  9. Pro-Jection 4D Throttle Body

    Started by Fast Ted, 10-04-2011 03:05 PM
    • Replies: 2
    • Views: 16,798
    10-13-2011, 05:10 PM Go to last post
  10. Holley Pro-Jection 4Di Help

    Started by paperboy326, 05-31-2012 10:17 AM
    • Replies: 5
    • Views: 11,869
    05-31-2012, 03:54 PM Go to last post
  11. Pro-Jection 2D Questions

    Started by 440roadrunner, 10-30-2012 08:04 PM
    • Replies: 1
    • Views: 5,059
    10-31-2012, 06:06 PM Go to last post
  12. Injector Flow Rates?

    Started by Fast Ted, 11-09-2012 02:54 PM
    • Replies: 4
    • Views: 9,609
    11-11-2012, 11:34 AM Go to last post
  13. Exclamation Еarly Holley Pro-Jection 2bbl. Help please!

    Started by Russian, 03-14-2012 04:06 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 55,043
    12-16-2012, 02:54 AM Go to last post
  14. Cool 502-9 TBI Concerns

    Started by sharkdad, 01-08-2013 09:41 AM
    • Replies: 1
    • Views: 5,172
    01-08-2013, 11:54 AM Go to last post
  15. 504-1 Pro-Jection can this work with new ECU?

    Started by greensahara, 01-13-2013 07:57 PM
    • Replies: 1
    • Views: 6,241
    01-14-2013, 04:10 AM Go to last post
  16. TBI upgrade for Chevy Caprice?

    Started by bergmiester2011, 03-02-2013 09:22 AM
    • Replies: 1
    • Views: 4,793
    03-02-2013, 12:25 PM Go to last post
  17. Pro-Jection 2D ECU Retrofit

    Started by dblakey, 04-22-2013 08:17 PM
    • Replies: 7
    • Views: 13,448
    04-30-2013, 08:08 AM Go to last post
  18. Pro-Jection EFI on 304 V8 CJ5

    Started by Layne, 06-17-2013 07:50 AM
    • Replies: 1
    • Views: 3,365
    06-17-2013, 08:13 AM Go to last post
  19. Thread size on Pro-Jection 504-21 throttle body?

    Started by P-A, 06-18-2013 07:02 AM
    • Replies: 2
    • Views: 3,348
    06-18-2013, 01:02 PM Go to last post
    • Replies: 4
    • Views: 5,454
    06-20-2013, 04:38 PM Go to last post
  20. 1st Gen Pro-Jection Tuning Issue.

    Started by Vettebak, 10-13-2013 07:39 AM
    • Replies: 4
    • Views: 5,861
    10-14-2013, 12:16 PM Go to last post
  21. 4Di Software V2.1 Idle Problems

    Started by keefers, 10-23-2013 02:41 AM
    • Replies: 3
    • Views: 5,678
    10-23-2013, 06:57 AM Go to last post
  22. Holley Analog TBI

    Started by scout79, 11-18-2013 11:50 PM
    • Replies: 3
    • Views: 7,212
    11-22-2013, 07:57 PM Go to last post
  23. Need Help Identifying Holley TBI

    Started by Pjc360, 01-02-2014 01:00 AM
    • Replies: 1
    • Views: 5,252
    01-02-2014, 07:05 AM Go to last post
  24. Pro-Jection 4D CFM

    Started by Wink Burks, 01-03-2014 07:43 PM
    • Replies: 3
    • Views: 6,309
    01-06-2014, 11:14 AM Go to last post

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