If you want to keep your original pedal then use the rod with it and set up a bellcrank at the back of the carb like I did in this link.
Bellcranks are available on ebay. About 30 bucks
Your cable will need a bracket set up on both ends to work right.
Check post #346 for a pick of mine.
http://67-72chevytrucks.com/vboard/s...365170&page=14