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  1. 500efi Upgrades
  2. Aftermarket Exhaust
  3. Humidity and Temperature
  4. Superchargers/Blowers Pro's and Con's???
  5. Best Aftermarket Aluminum Heads for a 500efi?
  6. Reduced water headers
  7. Will stock springs work?????
  8. Injector Reference Table
  9. To Upgrade or Not to Upgrade?
  10. Pro's and Con's to Supercharged Engines?
  11. Sea Strainers?
  12. A day of glory for the 496!
  13. eddie marine emi thunder opinions please
  14. Oil Filter Size and Type
  15. Anyone know anything about this upgrade?
  16. Whipple EGT Code 16
  17. Waynes Raylar 600
  18. Now running rich????
  19. Tuning Merc/Mariner Outboards
  20. 785HP Supercharged 496 Stroker Video
  21. New Motor !!!
  22. Anyone near Lake Cumberland that can tune my boat?
  23. 502 Whipple Idle HELP
  24. what parts should i use?
  25. New Motor !!!
  26. New XT Question
  27. New XT Question
  28. Exhaust question !!!
  29. How Long Can Boat Stay in Salt Water?
  30. 4 Times Since Dropping It In...
  31. 496 Intake Manifold Options
  32. Danna marine
  33. Stainless headers ???
  34. Dragging Her Down to the 'Big Easy'
  35. Precision Marine
  36. I Could Have Just Dropped In A 350!!!
  37. tripple engines possible on 340 sportfisher?
  38. 502 mag mpi
  39. Exhaust
  40. Cam Question
  41. Zinc Pencils !!!
  42. HGE Exhaust Manifolds
  43. 540 in a 232 Islander
  44. Vacuum or fuel? Can't trace the hose
  45. Exhaust help
  46. Another cam question
  47. Gen VI 502 Vibration
  48. New to the forum...advice for motor swap? Rough ride?
  49. leaking imco powerflow help
  50. Marine Headers vs. Aftermarket Manifolds
  51. 088 vs AFR 265 Dyno Comparison
  52. Will an 525 EFI fit in Baja232??
  53. New Motor Gone Bad !!!!
  54. Feedback wanted on 502 mpi with Extreme Supercharger package
  55. 1990 502 (RPM at WOT)
  56. Engine/Camshaft Guys !!
  57. More Speed Please 23 Outlaw Sst
  58. 30 year old engine with a unique problem
  59. 4 barrel carb
  60. Repower of the .38 Special "IT"
  61. 461 Stroker 500-525 hp
  62. Repower
  63. Fuel injection or carburetor build back?
  64. Add this to your list of "dumb" driver errors
  65. Motor mount/ stringer support
  66. MEFI tune.
  67. 502 crank question!
  68. Mercury 496 Mag & HO = Crazy Horsepower Potential
  69. Electric fuel pump on carbed blower motor
  70. Gil stainless strainer
  71. ProCharger
  72. Piston to deck clearance.
  73. Aftermarket Aluminum Heads
  74. 2000 272 with 502 mag mpi
  75. 454 Mag MPI Upgrades
  76. EMI Thunder Exhaust System-BB Chevy With High Perf SS Risers on a 454mpi 232
  77. Reputable place to purchase a "Marine" engine?
  78. Fuel Pump
  79. MEFI 3 closed loop
  80. 502 mag upgrade
  81. Baja rolling Coal
  82. Rocker arm clearance??
  83. 454 MPI rebuild
  84. New 2017 Outlaw
  85. Almost put the CMI's on!
  86. 496 Stroker