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Forum: Throttle Bodies

Throttle Bodies & Related Components

  1. 504-1 Pro-Jection can this work with new ECU?

    Started by greensahara, 01-13-2013 07:57 PM
    • Replies: 1
    • Views: 6,240
    01-14-2013, 04:10 AM Go to last post
  2. Cool 502-9 TBI Concerns

    Started by sharkdad, 01-08-2013 09:41 AM
    • Replies: 1
    • Views: 5,170
    01-08-2013, 11:54 AM Go to last post
  3. Exclamation Еarly Holley Pro-Jection 2bbl. Help please!

    Started by Russian, 03-14-2012 04:06 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 55,037
    12-16-2012, 02:54 AM Go to last post
  4. Injector Flow Rates?

    Started by Fast Ted, 11-09-2012 02:54 PM
    • Replies: 4
    • Views: 9,603
    11-11-2012, 11:34 AM Go to last post
  5. Pro-Jection 2D Questions

    Started by 440roadrunner, 10-30-2012 08:04 PM
    • Replies: 1
    • Views: 5,058
    10-31-2012, 06:06 PM Go to last post
  6. Holley Pro-Jection 4Di Help

    Started by paperboy326, 05-31-2012 10:17 AM
    • Replies: 5
    • Views: 11,865
    05-31-2012, 03:54 PM Go to last post
  7. Pro-Jection 4D Throttle Body

    Started by Fast Ted, 10-04-2011 03:05 PM
    • Replies: 2
    • Views: 16,789
    10-13-2011, 05:10 PM Go to last post
  8. Can fuel pressure be increased?

    Started by macx, 01-01-2011 02:57 AM
    • Replies: 3
    • Views: 5,762
    01-04-2011, 10:03 AM Go to last post
  9. Bigger injectors available for original 502-20S?

    Started by macx, 12-31-2010 04:39 PM
    • Replies: 1
    • Views: 4,531
    01-01-2011, 10:29 AM Go to last post
  10. Problems with a Pro-Jection 4Di setup

    Started by 4di guy, 12-23-2010 10:19 AM
    • Replies: 2
    • Views: 10,398
    12-25-2010, 12:38 PM Go to last post
  11. Help me ID this Pro-Jection throttle body

    Started by jeepfreek, 11-30-2010 11:12 PM
    • Replies: 5
    • Views: 9,086
    12-03-2010, 07:30 AM Go to last post
  12. Used Pro-Jection Trouble

    Started by mustangtoby, 09-12-2010 07:17 PM
    • Replies: 7
    • Views: 13,636
    09-21-2010, 12:44 AM Go to last post
  13. 1st Gen Pro-Jection problems

    Started by Colotow, 03-11-2010 10:38 PM
    • Replies: 6
    • Views: 21,594
    08-15-2010, 06:45 PM Go to last post
  14. Pro-Jection 502-20S misinformation (MAP sensor)?

    Started by skimask, 04-20-2010 12:14 AM
    • Replies: 3
    • Views: 8,596
    04-25-2010, 06:55 AM Go to last post
  15. Used TBI unit

    Started by 1leg, 03-07-2010 08:33 PM
    • Replies: 2
    • Views: 7,902
    03-09-2010, 07:17 PM Go to last post

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