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Threads 1 to 25 of 655

Forum: Box Panther Performance

For discussions on performance modifications to the 5.0/5.8 engine. Includes engine swaps and whatever else you can think of.

  1. Sticky Thread Sticky: For those considering 351w roller swaps...

    Started by sly, 05-26-2015 05:33 PM
    • Replies: 0
    • Views: 1,611
    05-26-2015, 05:33 PM Go to last post
  2. Sticky Thread Sticky: Ford Engine Dimensions

    Started by Mercracer, 06-18-2011 02:15 AM
    • Replies: 6
    • Views: 3,145
    08-28-2016, 05:28 PM Go to last post
  3. Sticky Thread Sticky: Ford Head Flows

    Started by Mercracer, 06-16-2011 01:56 PM
    • Replies: 4
    • Views: 3,141
    11-07-2011, 05:01 PM Go to last post
  4. Lightbulb Sticky Thread Sticky: Fuel Pump Upgrade

    Started by packman, 08-07-2013 03:25 PM
    2 Pages
    1 2
    • Replies: 30
    • Views: 6,599
    07-05-2017, 11:02 AM Go to last post
  5. Sticky Thread Sticky: HO Conversion - Mike's Tips and FAQ

    Started by mrltd, 07-31-2005 11:08 PM
    9 Pages
    1 2 3 ... 9
    • Replies: 168
    • Views: 40,167
    01-25-2019, 04:52 PM Go to last post
  6. Sticky Thread Sticky: HO TB swap w/ bored stock spacer

    Started by 91LTDProject, 05-13-2008 12:00 AM
    2 Pages
    1 2
    • Replies: 28
    • Views: 7,953
    04-06-2017, 02:18 PM Go to last post
  7. Sticky Thread Sticky: The 351W Long-Rod Thread of Doom.

    Started by Pirate, 02-19-2008 12:49 PM
    3 Pages
    1 2 3
    • Replies: 57
    • Views: 21,371
    08-26-2014, 07:46 PM Go to last post
  1. #3 spark plug chalky black... and misses

    Started by merc91, 01-10-2011 12:31 AM
    • Replies: 19
    • Views: 1,906
    01-22-2011, 02:40 PM Go to last post
  2. Question "blue" injectors

    Started by mitymerc, 09-06-2011 08:48 PM
    • Replies: 9
    • Views: 874
    09-07-2011, 10:19 PM Go to last post
  3. Cool "truck" motor vs. "car" motor ... discuss

    Started by sinistral, 06-29-2015 08:22 PM
    2 Pages
    1 2
    • Replies: 30
    • Views: 2,177
    07-04-2015, 11:51 AM Go to last post
  4. '69-'70 351W heads on EFI 5.0 HO

    Started by HiFiMerc, 02-21-2014 05:06 PM
    3 Pages
    1 2 3
    • Replies: 43
    • Views: 2,675
    03-04-2014, 04:59 PM Go to last post
  5. '80 Mark VI 351W build

    Started by Grand_Marquis_LSS, 06-25-2011 10:52 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 2,899
    07-02-2011, 01:45 PM Go to last post
  6. '96 Explorer 5.0 GT40 engine - MAF?

    Started by RyPow, 10-22-2013 04:08 PM
    • Replies: 1
    • Views: 478
    10-22-2013, 04:16 PM Go to last post
  7. Question *sigh* Another Exhaust Question Thread Thingy

    Started by packman, 08-27-2011 10:23 PM
    • Replies: 11
    • Views: 1,088
    09-12-2011, 08:53 AM Go to last post
    • Replies: 12
    • Views: 1,738
    09-09-2017, 06:02 PM Go to last post
  8. 1.7 Roller Rockers?

    Started by knucklehead0202, 05-10-2015 01:10 PM
    2 Pages
    1 2
    • Replies: 35
    • Views: 1,854
    06-07-2015, 05:12 PM Go to last post
  9. 1.7RRs, Pushrod Length, and Valve Lift

    Started by P72Ford, 05-10-2011 09:40 AM
    • Replies: 9
    • Views: 1,762
    05-15-2011, 03:56 PM Go to last post
    • Replies: 16
    • Views: 1,921
    01-27-2013, 03:17 PM Go to last post
  10. Lightbulb 12's or less ...

    Started by beep_beep, 03-01-2006 08:21 PM
    • Replies: 18
    • Views: 2,716
    05-03-2006, 07:09 PM Go to last post
  11. 1979 Marquis 7.1 Will It Fit?

    Started by V8GrandMarquis, 12-04-2010 05:06 PM
    2 Pages
    1 2
    engine fit swap
    • Replies: 20
    • Views: 2,078
    12-11-2010, 02:47 PM Go to last post
  12. 1985 CV 302 Heads

    Started by SeanP, 10-08-2014 06:08 PM
    1985, carburetors, Crown Victoria, heads
    • Replies: 13
    • Views: 1,305
    10-10-2014, 11:33 PM Go to last post
  13. 1986 transmission questions.

    Started by DrHax, 02-17-2017 07:13 PM
    • Replies: 5
    • Views: 1,058
    02-18-2017, 03:56 AM Go to last post
  14. 1987 Crown Vic 5.0

    Started by Airborne0416, 07-06-2018 01:57 PM
    • Replies: 3
    • Views: 682
    07-15-2018, 10:07 PM Go to last post
  15. 1989 5.8 efi?

    Started by DrHax, 02-19-2017 02:21 AM
    • Replies: 11
    • Views: 1,821
    02-24-2017, 02:09 PM Go to last post
  16. 1990 grand marquis dual exhaust

    Started by zzeekk, 06-20-2012 10:11 PM
    • Replies: 9
    • Views: 1,241
    06-24-2012, 01:23 PM Go to last post
  17. 1990 TC MAF conversion questions

    Started by Neal 97 250, 09-21-2010 06:25 PM
    3 Pages
    1 2 3
    • Replies: 49
    • Views: 3,910
    10-09-2010, 02:04 PM Go to last post
    • Replies: 3
    • Views: 931
    10-12-2011, 04:16 PM Go to last post
  18. Poll Poll: 1991 Grand Marquis Camshaft Recommendation

    Started by jonmark1985, 10-10-2012 10:55 PM
    • Replies: 16
    • Views: 2,723
    11-02-2012, 02:26 PM Go to last post
  19. 19lb injectors without computer swap

    Started by Not_your_grandpas_marquis, 01-27-2017 11:39 PM
    3 Pages
    1 2 3
    • Replies: 44
    • Views: 6,851
    04-26-2017, 03:30 PM Go to last post
  20. 2.5" exhaust install - '88 GM

    Started by monterey1962, 10-09-2010 10:43 PM
    3 Pages
    1 2 3
    • Replies: 43
    • Views: 5,282
    12-01-2010, 08:56 PM Go to last post
  21. 24 lb injectors

    Started by mitymerc, 07-22-2014 04:34 PM
    • Replies: 12
    • Views: 1,134
    07-23-2014, 06:20 PM Go to last post
  22. 255 fuel pump install

    Started by turbo2256b, 01-16-2012 12:33 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 3,040
    11-21-2015, 10:07 AM Go to last post

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