need 250 engine mount measurement

[Fast68Chevy]

can someone measure from the bellhousing face where tranny bolts onto engine block back to a point on engine mount area spot of the block ? like in center of the area to the bellhousing flange face ? dont have to be accurate 100%, just somethng close, need to know if 250 engine mounts bolt same distance away form bellhousing end of the block as on small block V-8's

thanks for anything