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View Full Version : 3.8 & 4.2L V6


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  1. What is BEST air intake/filter
  2. Best air intake
  3. roller rockers and cams for the 4.2?
  4. 3.8 in a 4.2 van
  5. Tornado?? Does it work?
  6. what RPMS am i shifting at?
  7. "Can" a 4.2 F150 Tow this?
  8. Exhaust upgrade
  9. Horsepower
  10. cleaning intake manifold
  11. sleeping off the line!
  12. Fuel mileage improvements
  13. 4.2 Power anybody?
  14. Programmers?
  15. chip did not improve 1/4 mile
  16. 4.2L engine replacement
  17. Engine size?
  18. Aftermarket Tach
  19. Looking to purchase a 4.2l truck
  20. 4.2/3.8 in ranger
  21. trans valve
  22. Seriouisly looking at a 4.2 truck, some info please.
  23. 4.2L vs 4.3L
  24. OD light flashing
  25. Extended cranking time on 4.2L
  26. How much HP gained when EGR deleted?
  27. 17.5mpg YES!
  28. Mass air flow ????????
  29. Engine swap?
  30. rough runnnig 4.2