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Air Shift Mack Transmission For B61


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I was looking into later down the road to take out 20 speed quad box and installing a newer mack 9 or 10 speed mack transmission wondering if anyone has done this swap and what i'll need to do? My setup is endt673c engine with single clutch, but do have flywheel for double clutch setup. I know I'll have too make trans mounts and extend drive shaft but not sure what other modifications I'll have to do. My rear ends are 3.87 ratio with 22.5 low pro tires. :mack1:

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