It's a L head block. If you want to rip it up go with a early hemi or other.
Been driving flatheads for over a few decades. Don't tell me a transmission makes me a 9 sec 1/4 mile. I'll leave that to the guys that do under that.
t5 is a great trans. lot to add.
https://www.jalopyjournal.com/forum/...-links.169265/
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