2bbl to 4bbl swap need HELP !!!!!!! pics

the throttle cable can be got new. the brand is pioneer and they come in 4 lengths. just tell the parts guy the part #'s from here:
http://www.magnumhp.com/cabletech.php you have the round firewall fitting. the linkage can also be found on some later vans or trucks with 318 or 360 4bbl.