Yep, two three fitties.
http://www.hotrod.com/featuredvehicles/hrdp_0909_custom_speed_buggy/index.html
http://www.hotrod.com/featuredvehicles/hrdp_0909_custom_speed_buggy/index.html
The OP engines are not LS engines. Look like plain ole SBC'sUnnecessary, since the LS is already a great engine, but it's cool...