I'm not following the problem with just swapping the third member/center section of your existing HO72 axle assembly ... ??? A lot of us have done it with both the SRW and DRW 3800 set ups. Easiest way to accomplish what I think is your goal.

~ John

A kid raised on Hotwheels, Matchbox and Tonka cannot be reasonably expected to own only one vehicle as an adult.

1949 Chevrolet 3804
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