I was thinking of getting the bored out throttle body( can't remember who offers them now) is it cfm thech ?
I got mine from this guy.
https://www.ebay.com/itm/46mm-PORTE...837306?hash=item3d963196ba:g:mpwAAOSw2xRYWVJj
Or this guy.
http://www.rvmorsemachine.com/index.html