Re: 5.5 -> 6hp conversion

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May 5, 2015 at 8:55 pm #15398
chinewalker
Participant

    US Member

    To use the rods, you’d have to swap the crank, too, as they have different rod journal diameters… And, I believe Frank is correct that part of the power boost came from the head design, so swapping the head would be recommended. If you leave the original rods in place, make sure the future owner knows to run it RICH as they will NOT take the 50:1 mix of the 6hp.