1972 gmc 4x4 Manuel swap
 

Taking out the stock 3 speed auto it runs to high of rpms (3000) on highway I seem to not be able to find what the 4x4 4spd trans hump where the 4spd hole was or the boot for it But on my hump it has 4 divets taped in maybe thats where the Manuel trans was put in?

https://cimg2.ibsrv.net/gimg/www.per...a00e4fa26c.jpg4spd screw holes?
https://cimg3.ibsrv.net/gimg/www.per...b2532fb5f9.jpgmy 4x4 hole