You guys are all right on track here , the repop cables are longer to fit the larger trucks too , when you buy a new one , completely remove the center section before trimming the Bowden then install and liberally grease the center wire as you feed it in , leaving the knob pulled 1/4" out is wise and of course , _never_ pull the choke knob unless you've depressed the foot feed , this relieves much strain and drag on the cable .
I've also had very good luck in removing the center in original cables then polishing the rusty spots on the wire untill it's shiny ,
grease and re-install , you'll prolly need to remove the Bowden from the truck to get it all back to-gether , tricky to get the bent up tip of the wire through .
Leaving the Bowden full length makes too much of a bend , causing excessive drag .
-Nate