Lokar cable attaches no problem to factory pedal, remove the Lokar end piece, ball on end of cable fits in stock pedal.
24", XTC-1000HT is the part #.
Learned this from another member on here.
I think I put a washer on the outside of firewall only.
Just need to get full throttle, got closer by moving cable pull on throttle body closer to center. Based on some research here, I think to get full throttle need to modify pedal or get aftermarket.