Better to start with a sprocket bec if going to a sprocket diff than using a shaft drive turned sideways which would require adaptation and will probably have chain clearance issues.
There are examples of both here. Check out John's build with a diy cush driving a diff. A standard guibo doesn't work since the driven sprocket must turn true all the time.
viewtopic.php?f=10&t=19392
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Miata UBJ: ES-2074R('70s maz pickup)
Ford IFS
viewtopic.php?f=5&t=13225&p=134742Simple Spring select
viewtopic.php?f=5&t=11815LxWxHt
360LA 442E: 134.5x46x15
Lotus7:115x39x7.25
Tiger Avon:114x40x13.3-12.6
Champion/Book:114x42x11
Gibbs/Haynes:122x42x14
VoDou:113x44x14
McSorley 442:122x46x14
Collins 241:127x46x12