The bus is basicly 3 inches wider on each side already. To get the effect of 3x3 you only need to go back 3 inches. If you are satisfied with the bus torsion just lengthen the arms. Mock up a jig and do some splicing to lengthen your factory arms or fab some from scratch. The idea is to move the wheels back to achieve an optimum balance or weight bias. On a bug torsion since it is narrow you need to go out as you go back to maintain a decent angle for the CV's. The wider stance is a bonus for stability up to a certain point . After a certain point it becomes a hindrance on most trails clearing the trees. Most guys have found out that the bug torsion lets you do this and use wider tires,,,another bonus...LIghter too,,another bonus,,,easier to weld to,,another bonus,,,softer riding torsion bars too,,another bonus
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If your clutch ain't slippin,, you probably got it adjusted right!!!!!