So I have a buddy working on a 1939 ford deluxe convertible coupe. He's replacing the flathead with a 312 Y-Block and wants to use the 4 speed toploader he has in his shop. The issue is how is the shifter going to fit? Will he need a new custom tailhousing or will he need to use a fabricated top mounted shifter linkage akin to the 1939 flathead shifters? He wants to use a hurst shifter of some sort and has a 1939 worlds fair shift knob he wants to use as well.